/*
 * Interface UI — Layout System
 * 
 * Architecture:
 *   ┌──────────────────────────────┐
 *   │   Windows Grid (scrollable)  │  ← flex: 1, overflow-x: auto
 *   │   [ window ] [ window ] ...  │
 *   ├──────────────────────────────┤
 *   │   Input Area (bottom-docked) │  ← fixed height, full width
 *   └──────────────────────────────┘
 *
 * Uses variables from /client/css/variables.css
 */

/* ─── App Shell ─── */
.interface-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    background-color: var(--main-background-color);
    color: var(--color-ink);
    font-family: var(--font-sans);
}

/* ─── Main Area (contains the windows grid) ─── */
.interface-main-area {
    flex: 1;
    min-height: 0; /* Allow shrinking */
    overflow: hidden;
    position: relative;
}

/* ─── Windows Grid ─── */
.interface-windows-grid {
    display: flex;
    flex-direction: row;
    height: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    gap: var(--space-2);
    /* padding: var(--space-4); */
    
    /* Hide scrollbar but allow scrolling */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.interface-windows-grid::-webkit-scrollbar {
    display: none;
}

/* Single window fills viewport */
.interface-windows-grid.single-mode {
    gap: 0;
    padding: 0;
}

.interface-windows-grid.single-mode .interface-window {
    min-width: 100%;
    max-width: 100%;
    border-radius: 0;
    border: none;
}

/* Multi-window: each window gets equal share, min 600px */
.interface-windows-grid.windows-1 .interface-window {
    min-width: 100%;
    max-width: 100%;
}

.interface-windows-grid.windows-2 .interface-window {
    min-width: calc(50% - var(--space-2));
    max-width: calc(50% - var(--space-2));
}

.interface-windows-grid.windows-3 .interface-window {
    min-width: calc(33.333% - var(--space-2));
    max-width: calc(33.333% - var(--space-2));
}

/* Expanded window spans 2x */
.interface-window.window-expanded {
    min-width: calc(66.666% - var(--space-2)) !important;
    max-width: calc(66.666% - var(--space-2)) !important;
}

/* ─── Individual Window ─── */
.interface-window {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    min-width: 600px;
    height: 100%;
    background-color: var(--main-background-color);
    /* border: var(--border-width) solid var(--border-color); */
    overflow: hidden;
    transition: min-width var(--transition-slow), max-width var(--transition-slow);
}

/* ─── Window Header ─── */
.interface-window-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-1) var(--space-4);
    border-bottom: 0.5px solid var(--border-color);
    background-color: var(--main-background-color);
    flex-shrink: 0;
    height: 42px;
    overflow: visible;
    position: relative;
    z-index: calc(var(--z-dropdown) + 1);
    transition: padding var(--transition-base);
}

.interface-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 0.8;
    min-width: 0;
    position: relative;
    transition: opacity 220ms ease, -webkit-filter 220ms ease, filter 220ms ease;
}

.interface-window-header.surface-context-active .interface-header-left {
    opacity: 0.3;
    -webkit-filter: brightness(0.78) saturate(0.8);
    filter: brightness(0.78) saturate(0.8);
}

.interface-header-left::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 26px;
    pointer-events: none;
    background: linear-gradient(to right, rgba(0, 0, 0, 0) 0%, var(--main-background-color) 82%);
    opacity: 1;
    transition: opacity var(--transition-base);
}

.interface-header-left.hide-right-fade::after {
    opacity: 0;
}

.interface-header-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: calc(26px + var(--space-3) - 2px);
    bottom: 0;
    width: 22px;
    pointer-events: none;
    background: linear-gradient(to left, rgba(0, 0, 0, 0) 0%, var(--main-background-color) 82%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.interface-header-left.show-left-fade::before {
    opacity: 1;
}

.interface-header-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    transition: opacity 180ms ease, transform 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

.interface-header-logo .symposium-logo {
    width: 28px;
    box-shadow: none;
}

.interface-header-right.controls-right {
    margin-left: auto;
    flex-shrink: 0;
    overflow: visible;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.interface-window-header .interface-tab-group {
    gap: 0;
    height: 26px;
    padding: 0 var(--space-3);
    transition: gap var(--transition-base), padding var(--transition-base);
}

.interface-window-header .interface-add-btn {
    opacity: 1;
    width: 26px;
    height: 26px;
    min-width: 26px;
    margin: auto 0;
    padding: 0;
    border-color: var(--border-color);
    overflow: hidden;
    transition: opacity var(--transition-base), width var(--transition-base), border-color var(--transition-base), background-color var(--transition-base), transform var(--transition-base);
}

.interface-window-header .tab-group-header {
    height: 100%;
}

.interface-window-header .controls-icon-btn,
.interface-window-header .notifications-btn {
    width: 26px;
    height: 26px;
}

.interface-header-right.controls-right .controls-icon-btn svg {
    width: 15px;
    height: 15px;
}

.interface-window-header .controls-profile {
    width: 26px;
}

.interface-window-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-ink);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.interface-window-subtitle {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    font-weight: var(--weight-normal);
}

/* ─── Window Body ─── */
.interface-window-body {
    flex: 1;
    min-height: 0;
    /* overflow: hidden; */
    position: relative;
}

/* ─── Interface Workspace (Chat + Board + Side Panel flex layout) ─── */
.interface-workspace {
    display: flex;
    flex-direction: row;
    height: 100%;
    position: relative;
    isolation: isolate;
    /* No gap/background trick — use border-left on child containers for dividers
       so collapsed panels don't leave a visible gap strip */
}

.interface-window-body > .surface-panel {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(8px);
    visibility: hidden;
    pointer-events: none;
    z-index: 1;
    transition: opacity 260ms cubic-bezier(0.22, 1, 0.36, 1),
                transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
                visibility 0ms linear 260ms;
}

.interface-window-body > .surface-panel.is-active {
    opacity: 1;
    transform: none;
    visibility: visible;
    pointer-events: auto;
    z-index: 2;
    transition: opacity 260ms cubic-bezier(0.22, 1, 0.36, 1),
                transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
                visibility 0ms linear 0ms;
}

.interface-window-body > .surface-panel.is-leaving {
    opacity: 0;
    transform: translateY(8px);
    visibility: visible;
    pointer-events: none;
    z-index: 1;
}

.interface-window-body > .surface-panel.workspace-no-transition {
    transition: none !important;
    transform: none;
}

.interface-workspace .workspace-pane {
    transition: flex-grow 220ms cubic-bezier(0.22, 1, 0.36, 1),
                opacity 420ms cubic-bezier(0.22, 1, 0.36, 1),
                border-left-color 260ms ease,
                filter 240ms cubic-bezier(0.4, 0, 0.2, 1);
}

.interface-workspace.workspace-is-loading .workspace-pane {
    opacity: 0;
    filter: blur(1px);
    pointer-events: none;
}

.interface-workspace.workspace-is-ready .workspace-pane:not(.chat-closed):not(.board-closed):not(.panel-closed) {
    opacity: 1;
    filter: none;
}

.interface-workspace-loader {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity 260ms cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, color-mix(in srgb, var(--main-background-color) 94%, transparent) 0%, color-mix(in srgb, var(--main-background-color-secondary) 94%, transparent) 50%, color-mix(in srgb, var(--main-background-color-third) 94%, transparent) 100%);
    z-index: 5;
}

.interface-workspace.workspace-is-loading .interface-workspace-loader {
    opacity: 1;
    pointer-events: auto;
}

.interface-workspace-loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.interface-workspace-loader-logo {
    width: 150px !important;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
    animation: interface-workspace-loader-breathe 5.5s ease-in-out infinite;
}

.interface-workspace-loader-text {
    font-size: var(--text-sm);
    color: var(--color-ink-light);
    letter-spacing: 0.01em;
}

.interface-workspace.workspace-no-transition .workspace-pane,
.interface-workspace.workspace-no-transition .interface-workspace-loader {
    transition: none !important;
}

@keyframes interface-workspace-loader-breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.018); }
}

.interface-surface-hidden {
    visibility: hidden;
    pointer-events: none;
}

.library-surface {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: linear-gradient(180deg, var(--main-background-color) 0%, color-mix(in srgb, var(--main-background-color) 90%, var(--main-background-color-secondary) 10%) 100%);
}

.library-workspace {
    display: flex;
    flex: 1;
    min-height: 0;
}

.library-workspace .entity-side-panel-container {
    flex: 1 1 0%;
    min-width: 0;
    border-left: 0.5px solid var(--border-color);
    background-color: var(--main-background-color);
    display: flex;
    flex-direction: column;
    opacity: 1;
    transition: opacity 220ms ease;
}

.library-workspace .entity-side-panel-container.panel-closed {
    display: none;
}

.library-surface-hidden {
    visibility: hidden;
    pointer-events: none;
}

.manage-surface {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: linear-gradient(180deg, var(--main-background-color) 0%, color-mix(in srgb, var(--main-background-color) 90%, var(--main-background-color-secondary) 10%) 100%);
}

.manage-surface-hidden {
    visibility: hidden;
    pointer-events: none;
}

.explore-surface {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: linear-gradient(180deg, var(--main-background-color) 0%, color-mix(in srgb, var(--main-background-color) 90%, var(--main-background-color-secondary) 10%) 100%);
}

.explore-surface-hidden {
    visibility: hidden;
    pointer-events: none;
}

.library-subtabs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-1) var(--space-4);
    border-bottom: 0.5px solid var(--border-color);
    background-color: var(--main-background-color);
    height: 42px;
}

.library-subtabs-left {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 0;
    height: 43px;
    overflow-x: auto;
    scrollbar-width: none;
}

.library-subtabs-left-actions {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.library-subtabs-left::-webkit-scrollbar {
    display: none;
}

.library-subtab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    height: 26px;
    padding: 0 var(--space-3);
    border: 0.5px solid transparent;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    white-space: nowrap;
}

.library-subtab:hover {
    color: var(--color-ink);
    background-color: var(--main-background-color-third);
}

.library-subtab.active {
    color: var(--color-ink);
    border-color: var(--border-color);
    background-color: var(--main-background-color-secondary);
}

.library-subtabs-right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: auto;
}

.library-header-schema-select {
    min-width: 240px;
    height: 26px;
}

.library-header-view-select {
    height: 26px;
    font-size: 13px;
    border: 0.5px solid var(--main-background-color-third);
    max-width: 150px;
    padding: 0 1rem;
    border-radius: var(--radius-full);
}

.library-filter-wrap {
    position: relative;
}

.library-filter-btn,
.library-add-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    height: 26px;
    padding: 0 var(--space-3);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color);
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    cursor: pointer;
}

.library-add-btn {
    padding: 0 var(--space-3);
    width: 100%;
    color: var(--color-ink);
    border-color: color-mix(in srgb, var(--color-target) 40%, var(--border-color) 60%);
    background: color-mix(in srgb, var(--color-target) 9%, var(--main-background-color) 91%);
}

.library-filter-btn.active,
.library-filter-btn:hover {
    background: var(--main-background-color-secondary);
}

.library-add-btn:hover {
    background: color-mix(in srgb, var(--color-target) 16%, var(--main-background-color) 84%);
    border-color: color-mix(in srgb, var(--color-target) 60%, var(--border-color) 40%);
}

/* Primary action button — solid filled CTA (e.g. wizard "Next") */
.library-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    height: 28px;
    padding: 0 var(--space-3);
    border: var(--border-width) solid color-mix(in srgb, var(--color-target) 55%, var(--border-color) 45%);
    border-radius: var(--radius-full);
    background: color-mix(in srgb, var(--color-target) 14%, var(--main-background-color) 86%);
    color: var(--color-ink);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.library-action-btn:hover:not(:disabled) {
    background: color-mix(in srgb, var(--color-target) 22%, var(--main-background-color) 78%);
    border-color: color-mix(in srgb, var(--color-target) 70%, var(--border-color) 30%);
}

.library-action-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.library-filter-popover {
    position: absolute;
    right: 0;
    top: calc(100% + var(--space-2));
    width: 230px;
    display: none;
    z-index: var(--z-dropdown);
    padding: var(--space-3);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--main-background-color);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.library-filter-popover.open {
    display: block;
}

.library-filter-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.library-filter-row + .library-filter-row {
    margin-top: var(--space-3);
}

.library-filter-row label {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

.library-search-wrap {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    /* min-width: 230px; */
    height: 26px;
    width: 100%;
    padding: 0 var(--space-2);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color);
    color: var(--color-ink-lighter);
}

.library-search-input {
    border: none;
    background: transparent;
    width: 100%;
    color: var(--color-ink);
    font-size: var(--text-sm);
}

.library-search-input:focus {
    outline: none;
}

.library-content {
    flex: 1;
    min-width: 0;
    min-height: 0;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.library-empty,
.library-loading,
.library-error {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    border: 0.5px dashed var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--color-ink-lighter);
    background: color-mix(in srgb, var(--main-background-color) 84%, var(--main-background-color-secondary) 16%);
}

.library-empty-intake {
    min-height: 280px;
    border: 0.5px dashed var(--border-color);
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--main-background-color) 80%, var(--main-background-color-secondary) 20%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--color-ink-lighter);
}

.library-empty-intake h3 {
    margin: 0;
    color: var(--color-ink);
    font-size: var(--text-base);
}

.library-empty-intake p {
    margin: 0;
    max-width: 460px;
    text-align: center;
}

.library-intake-wrap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-3);
    margin: var(--space-4);
}

.library-intake-panel {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--main-background-color);
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.library-intake-panel h3 {
    margin: 0;
    font-size: var(--text-sm);
}

.library-intake-panel p {
    margin: 0;
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
}

.library-intake-file-list,
.library-intake-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.library-intake-file-plan-list,
.library-intake-warning-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.library-intake-file-plan {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: color-mix(in srgb, var(--main-background-color) 86%, var(--main-background-color-secondary) 14%);
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.library-intake-file-plan strong {
    font-size: 12px;
}

.library-intake-file-plan span {
    font-size: 11px;
    color: var(--color-ink-lighter);
}

.library-intake-warning {
    border: 0.5px solid color-mix(in srgb, var(--color-warning, #c68b00) 45%, var(--border-color) 55%);
    background: color-mix(in srgb, #fff2cc 30%, var(--main-background-color) 70%);
    border-radius: var(--radius-sm);
    padding: 7px 10px;
    font-size: 11px;
    color: var(--color-ink);
}

.library-intake-file-list span {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

.library-intake-choice {
    border: 0.5px solid var(--border-color);
    background: var(--main-background-color-secondary);
    border-radius: var(--radius-sm);
    color: var(--color-ink);
    padding: 10px 12px;
    text-align: left;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color 120ms ease, background-color 120ms ease;
}

.library-intake-choice:hover {
    border-color: color-mix(in srgb, var(--color-ink-lighter) 55%, var(--border-color) 45%);
}

.library-intake-choice.active {
    border-color: var(--color-ink);
    background: color-mix(in srgb, var(--main-background-color-secondary) 72%, var(--main-background-color) 28%);
}

.library-intake-choice-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-2);
}

.library-intake-choice-head strong {
    font-size: 12px;
    line-height: 1.35;
}

.library-intake-confidence {
    font-size: 11px;
    color: var(--color-ink-lighter);
    border: 0.5px solid var(--border-color);
    border-radius: 999px;
    padding: 2px 8px;
    white-space: nowrap;
}

.library-intake-confidence.is-draft {
    color: var(--color-accent, var(--color-ink));
}

.library-intake-choice-sub {
    font-size: 11px;
    color: var(--color-ink-lighter);
}

.library-intake-field-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.library-intake-field-chip {
    font-size: 11px;
    line-height: 1;
    padding: 4px 8px;
    border-radius: 999px;
    border: 0.5px solid color-mix(in srgb, var(--border-color) 78%, var(--main-background-color-secondary) 22%);
    background: color-mix(in srgb, var(--main-background-color) 82%, var(--main-background-color-secondary) 18%);
    color: var(--color-ink-lighter);
}

.library-intake-field-chip.is-empty {
    opacity: 0.8;
}

.library-intake-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.library-intake-draft {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--main-background-color-secondary);
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.library-intake-draft-preview {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.library-intake-draft-row {
    display: grid;
    grid-template-columns: minmax(110px, 160px) 1fr;
    gap: 8px;
    align-items: start;
}

.library-intake-draft-key {
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
    text-transform: capitalize;
}

.library-intake-draft-value {
    color: var(--color-ink);
    font-size: var(--text-xs);
    line-height: 1.4;
}

@media (max-width: 780px) {
    .library-intake-draft-row {
        grid-template-columns: 1fr;
        gap: 2px;
    }
}

.library-table-detail {
    margin: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.library-table-detail-head {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.library-table-detail-head h3,
.library-table-detail-head p {
    margin: 0;
}

.library-table-meta {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

.library-table-create-flow {
    margin: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.library-table-create-head h3 {
    margin: 0;
    font-size: var(--text-base);
    color: var(--color-ink);
}

.library-table-create-head p {
    margin: 6px 0 0;
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
}

.library-table-create-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-3);
}

.library-table-create-grid.library-table-create-grid-single {
    max-width: 420px;
}

.library-table-source-card {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--main-background-color);
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    text-align: left;
    cursor: pointer;
    transition: border-color 140ms ease, background-color 140ms ease;
}

.library-table-source-card:hover,
.library-table-source-card.is-selected {
    border-color: color-mix(in srgb, var(--color-ink-lighter) 45%, var(--border-color) 55%);
    background: color-mix(in srgb, var(--main-background-color) 86%, var(--main-background-color-secondary) 14%);
}

.library-table-source-card strong {
    font-size: var(--text-sm);
    color: var(--color-ink);
}

.library-table-source-card span {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    line-height: 1.5;
}

.library-csv-dropzone {
    border: 0.5px dashed var(--border-color);
    border-radius: var(--radius-lg);
    min-height: 170px;
    padding: var(--space-3);
    background: color-mix(in srgb, var(--main-background-color) 84%, var(--main-background-color-secondary) 16%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    text-align: center;
}

.library-csv-dropzone.is-drag-active {
    border-color: var(--color-ink);
    background: color-mix(in srgb, var(--main-background-color-secondary) 72%, var(--main-background-color) 28%);
}

.library-csv-dropzone strong {
    font-size: var(--text-sm);
    color: var(--color-ink);
}

.library-csv-dropzone span,
.library-csv-dropzone small {
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
}

.library-table-flow-selected-file,
.library-table-flow-helper,
.library-table-flow-error {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    background: var(--main-background-color);
    font-size: var(--text-xs);
}

.library-table-flow-selected-file {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.library-table-flow-selected-file strong {
    color: var(--color-ink);
    font-size: var(--text-sm);
}

.library-table-flow-selected-file span,
.library-table-flow-helper {
    color: var(--color-ink-lighter);
}

.library-table-flow-error {
    border-color: color-mix(in srgb, var(--color-error, #c13737) 38%, var(--border-color) 62%);
    background: color-mix(in srgb, #ffe6e6 40%, var(--main-background-color) 60%);
    color: var(--color-ink);
}

.library-table-flow-field-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.library-table-flow-field-row label {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

.library-table-flow-input {
    width: 100%;
    min-height: 30px;
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--main-background-color);
    color: var(--color-ink);
    padding: 0 10px;
    font-size: var(--text-sm);
}

.library-table-flow-inline {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-2);
    align-items: center;
}

.library-luma-events-list {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--main-background-color);
    max-height: 280px;
    overflow: auto;
}

.library-luma-event-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-2);
    align-items: start;
    padding: 10px 12px;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 72%, transparent 28%);
    cursor: pointer;
}

.library-luma-event-row:last-child {
    border-bottom: none;
}

.library-luma-event-row strong {
    display: block;
    color: var(--color-ink);
    font-size: var(--text-sm);
    line-height: 1.3;
}

.library-luma-event-row small {
    color: var(--color-ink-lighter);
    font-size: 11px;
}

.library-table-create-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.library-table-create-cta {
    width: auto;
    min-width: 126px;
    padding: 0 var(--space-3);
}

.library-table-create-cta[disabled] {
    opacity: 0.65;
    cursor: not-allowed;
}

.library-csv-preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

.library-csv-preview-head strong {
    color: var(--color-ink);
    font-size: var(--text-sm);
}

.library-csv-column-editor {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--main-background-color);
    overflow: hidden;
}

.library-csv-column-row {
    display: grid;
    grid-template-columns: minmax(120px, 1fr) minmax(160px, 1.4fr) minmax(120px, 1fr);
    align-items: center;
    gap: var(--space-2);
    padding: 8px 10px;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 72%, transparent 28%);
}

.library-csv-column-row:last-child {
    border-bottom: none;
}

.library-csv-column-source,
.library-csv-column-key {
    font-size: 11px;
    color: var(--color-ink-lighter);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.library-csv-column-key {
    color: var(--color-ink);
}

.library-csv-sample-wrap {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.library-csv-sample-wrap h4 {
    margin: 0;
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    font-weight: var(--weight-medium);
}

.library-csv-sample-table-wrap {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--main-background-color);
    overflow: auto;
}

.library-csv-sample-table {
    width: 100%;
    min-width: 540px;
    border-collapse: collapse;
    font-size: 12px;
}

.library-csv-sample-table th,
.library-csv-sample-table td {
    padding: 7px 9px;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    text-align: left;
    vertical-align: top;
}

.library-csv-sample-table th:last-child,
.library-csv-sample-table td:last-child {
    border-right: none;
}

.library-csv-sample-table th {
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
    font-weight: var(--weight-semibold);
}

.library-csv-sample-table tr:last-child td {
    border-bottom: none;
}

@media (max-width: 640px) {
    .library-table-flow-inline {
        grid-template-columns: 1fr;
    }

    .library-csv-column-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .library-table-create-actions {
        justify-content: stretch;
    }

    .library-table-create-actions .library-filter-btn,
    .library-table-create-actions .library-table-create-cta {
        width: 100%;
    }
}

/* ─── Library tile grid ─────────────────────────────────────────────────── */

.library-tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(256px, 1fr));
    gap: var(--space-3);
    margin: var(--space-4);
}

.library-tile-card {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--main-background-color);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    overflow: hidden;
    transition: border-color var(--transition-base),
                box-shadow var(--transition-base),
                transform var(--transition-base);
}

.library-tile-card:hover {
    border-color: color-mix(in srgb, var(--color-target) 50%, var(--border-color) 50%);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* legacy — keep for tables tab which uses h4 directly */
.library-tile-card h4 {
    margin: 0;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-ink);
}

/* ─── Card media image — bleeds to top edge with fade ───────────────────── */

.library-tile-media-wrap {
    position: relative;
    height: 76px;
    overflow: hidden;
    flex-shrink: 0;
}

.library-tile-media-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* gradient fade from image into card background */
.library-tile-media-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 30%,
        var(--main-background-color) 100%
    );
    pointer-events: none;
}

/* ─── Card body — padding lives here, not on the article ───────────────── */

.library-tile-card-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
    flex: 1;
    min-height: 0;
}

/* when there is an image above, reduce top padding slightly */
.library-tile-media-wrap + .library-tile-card-body {
    padding-top: var(--space-2);
}

.library-tile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.library-tile-type {
    font-size: 10px;
    color: var(--color-ink-lighter);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: var(--weight-semibold);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ─── Tile card body elements ───────────────────────────────────────────── */

.library-tile-card-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-ink);
    line-height: var(--leading-tight);
}

.library-tile-card-preview {
    margin: 0;
    font-size: var(--text-xs);
    color: var(--color-ink-light);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

/* ─── Non-image media badge (video / audio / file) ──────────────────────── */

.library-tile-media-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    height: 24px;
    padding: 0 var(--space-2);
    font-size: 11px;
    color: var(--color-ink-lighter);
    background: var(--main-background-color-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    width: fit-content;
}

.library-tile-subline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    margin: 0;
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

.library-tile-description {
    margin: 0;
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

/* ─── Status badges ─────────────────────────────────────────────────────── */

.library-tile-status {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-full);
    border: var(--border-width) solid var(--border-color);
    padding: 2px 7px;
    font-size: 9px;
    font-weight: var(--weight-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
}

.library-tile-status-official {
    color: var(--color-success);
    border-color: color-mix(in srgb, var(--color-success) 35%, var(--border-color) 65%);
    background: color-mix(in srgb, var(--color-success) 8%, transparent);
}

.library-tile-status-draft {
    color: var(--color-ink-lighter);
    border-color: var(--border-color);
}

.library-tile-status-published {
    color: #0f766e;
    border-color: color-mix(in srgb, #0f766e 35%, var(--border-color) 65%);
    background: color-mix(in srgb, #0f766e 8%, transparent);
}

.library-tile-status-update {
    color: var(--color-cleanup);
    border-color: color-mix(in srgb, var(--color-cleanup) 40%, var(--border-color) 60%);
    background: color-mix(in srgb, var(--color-cleanup) 8%, transparent);
}

/* ─── Tags / chips ──────────────────────────────────────────────────────── */

.library-tile-tags {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

/* legacy span (tables tab) */
.library-tile-tags span,
.library-tile-chip {
    display: inline-flex;
    align-items: center;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 1px 8px;
    font-size: 10px;
    color: var(--color-ink-lighter);
    background: var(--main-background-color-secondary);
}

/* ─── Bottom action row ─────────────────────────────────────────────────── */

.library-tile-card-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-top: var(--border-width) solid var(--border-color);
    flex-wrap: wrap;
    flex-shrink: 0;
}

.library-tile-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 26px;
    padding: 0 var(--space-2);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color-secondary);
    color: var(--color-ink-light);
    font-size: 11px;
    font-weight: var(--weight-medium);
    cursor: pointer;
    white-space: nowrap;
    transition: border-color var(--transition-fast),
                background var(--transition-fast),
                color var(--transition-fast);
}

.library-tile-btn:hover {
    border-color: color-mix(in srgb, var(--color-target) 45%, var(--border-color) 55%);
    background: color-mix(in srgb, var(--color-target) 8%, var(--main-background-color-secondary) 92%);
    color: var(--color-ink);
}

.library-tile-btn-primary {
    border-color: color-mix(in srgb, var(--color-target) 40%, var(--border-color) 60%);
    background: color-mix(in srgb, var(--color-target) 10%, var(--main-background-color) 90%);
    color: var(--color-ink);
}

.library-tile-btn-primary:hover {
    background: color-mix(in srgb, var(--color-target) 18%, var(--main-background-color) 82%);
    border-color: color-mix(in srgb, var(--color-target) 60%, var(--border-color) 40%);
}

.library-tile-btn-danger {
    margin-left: auto; /* push delete to far right */
    color: var(--color-error);
    border-color: color-mix(in srgb, var(--color-error) 30%, var(--border-color) 70%);
    background: transparent;
}

.library-tile-btn-danger:hover {
    background: color-mix(in srgb, var(--color-error) 8%, transparent);
    border-color: color-mix(in srgb, var(--color-error) 55%, var(--border-color) 45%);
    color: var(--color-error);
}

/* keep old inline actions for tables tab which hasn't been restyled */
.library-tile-actions {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.library-tile-actions button {
    border: 0.5px solid var(--border-color);
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
    border-radius: var(--radius-sm);
    padding: 2px 8px;
    font-size: 11px;
    cursor: pointer;
}

.library-tile-actions button.library-action-danger {
    border-color: var(--color-error);
    color: var(--color-error);
}

.library-tag-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 0.5px solid var(--border-color);
}

/* ─── Page preview inside tiles (shared with explore) ───────────────────── */

.interface-explore-page-preview-list {
    display: grid;
    gap: 5px;
    padding: var(--space-2);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--main-background-color-secondary);
}

.interface-explore-page-preview-item {
    display: grid;
    gap: 2px;
}

.interface-explore-page-preview-title {
    font-size: 11px;
    font-weight: var(--weight-semibold);
    color: var(--color-ink);
}

.interface-explore-page-preview-description {
    font-size: 11px;
    color: var(--color-ink-lighter);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}



.library-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: auto;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
}

.library-pagination button {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 30px;
    padding: 0 var(--space-2);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color);
    color: var(--color-ink);
    cursor: pointer;
}

.library-pagination button:disabled {
    opacity: 0.45;
    cursor: default;
}

.library-cards-mode-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.library-card-schema-select {
    min-width: 240px;
}

.library-view-toggle {
    display: inline-flex;
    gap: var(--space-1);
}

.library-view-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    height: 32px;
    padding: 0 var(--space-2);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--main-background-color);
    color: var(--color-ink-lighter);
    font-size: 12px;
    cursor: pointer;
}

.library-view-btn.active {
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
}

.library-view-btn:disabled {
    opacity: 0.45;
    cursor: default;
}

.library-table-wrap {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: auto;
    background: var(--main-background-color);
}

.library-cards-table {
    width: 100%;
    min-width: 860px;
    border-collapse: collapse;
}

.library-cards-table th,
.library-cards-table td {
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    padding: 6px 8px;
    vertical-align: middle;
}

.library-cards-table th:last-child,
.library-cards-table td:last-child {
    border-right: none;
}

.library-cards-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--main-background-color-secondary);
    font-size: 12px;
    text-align: left;
}

.library-table-input,
.library-table-select {
    width: 100%;
    min-width: 120px;
    border: 0.5px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-ink);
    font-size: 12px;
    padding: 6px;
}

.library-table-input:focus,
.library-table-select:focus {
    outline: none;
    border-color: var(--border-color);
    background: var(--main-background-color-secondary);
}

.library-table-checkbox {
    width: 16px;
    height: 16px;
}

.library-table-input.is-saving,
.library-table-select.is-saving {
    opacity: 0.7;
}

@media (max-width: 980px) {
    .library-subtabs-header {
        flex-direction: column;
        align-items: stretch;
    }

    .library-subtabs-right {
        width: 100%;
        flex-wrap: wrap;
    }

    .library-header-schema-select {
        min-width: 0;
        flex: 1;
    }

    .library-header-view-select {
        min-width: 0;
    }

    .library-search-wrap {
        min-width: 0;
        flex: 1;
    }

    .library-cards-mode-controls {
        flex-direction: column;
        align-items: stretch;
    }

}

.interface-chat-container {
    flex: 1 1 0%;
    display: flex;
    flex-direction: column;
    background-color: var(--main-background-color);
    min-width: 0;
    opacity: 1;
    overflow: hidden;
    pointer-events: auto;
    will-change: flex-grow, opacity, filter;
    transition: flex-grow 220ms cubic-bezier(0.22, 1, 0.36, 1),
                opacity 320ms ease-in-out,
                filter 320ms ease-in-out;
}

/* Wrapper elements need full height for flex chain */
.chat-panel-wrapper {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.board-panel-wrapper {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.interface-board-container {
    flex: 1 1 0%;
    background-color: var(--main-background-color);
    min-width: 0;
    opacity: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border-left: 0.5px solid var(--border-color);
    pointer-events: auto;
    will-change: flex-grow, opacity, filter;
    transition: flex-grow 220ms cubic-bezier(0.22, 1, 0.36, 1),
                opacity 320ms ease-in-out,
                border-left-color 260ms ease,
                filter 320ms ease-in-out;
}

/* Board closed state */
.interface-board-container.board-closed {
    flex-grow: 0;
    opacity: 0;
    filter: saturate(0.9);
    pointer-events: none;
    border-left-color: transparent;
    transition-delay: 0ms, 0ms, 0ms, 0ms;
}

/* If chat is closed, board can become the left-most pane.
   Hide the divider when it sits flush against viewport left. */
.interface-chat-container.chat-closed + .interface-board-container {
    border-left: none;
}

/* Chat closed state */
.interface-chat-container.chat-closed {
    flex-grow: 0;
    opacity: 0;
    filter: saturate(0.9);
    pointer-events: none;
    transition-delay: 0ms, 0ms, 0ms;
}

/* Shared right workspace pane (library base + side panel overlay) */
.workspace-right-panel {
    flex: 1 1 0%;
    background-color: var(--main-background-color);
    min-width: 0;
    opacity: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border-left: 0.5px solid var(--border-color);
    pointer-events: auto;
    will-change: flex-grow, opacity, filter;
    transition: flex-grow 220ms cubic-bezier(0.22, 1, 0.36, 1),
                opacity 320ms ease-in-out,
                border-left-color 260ms ease,
                filter 320ms ease-in-out;
    position: relative;
}

/* Right pane closed state (default) */
.workspace-right-panel.panel-closed {
    flex-grow: 0;
    opacity: 0;
    filter: saturate(0.9);
    pointer-events: none;
    border-left-color: transparent;
    transition-delay: 0ms, 0ms, 0ms, 0ms;
}

.interface-chat-container:not(.chat-closed),
.interface-board-container:not(.board-closed),
.workspace-right-panel:not(.panel-closed) {
    opacity: 1;
    filter: none;
}

.interface-chat-container:not(.chat-closed) {
    transition-delay: 0ms, 0ms, 0ms;
}

.interface-board-container:not(.board-closed),
.workspace-right-panel:not(.panel-closed) {
    transition-delay: 0ms, 0ms, 0ms, 0ms;
}

/* If chat and board are both closed, side panel is left-most.
   Hide divider when flush against viewport left edge. */
.interface-chat-container.chat-closed + .interface-board-container.board-closed + .workspace-right-panel {
    border-left: none;
}

.interface-library-panel {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--main-background-color) 0%, color-mix(in srgb, var(--main-background-color) 90%, var(--main-background-color-secondary) 10%) 100%);
}

.interface-library-panel .library-subtabs-left {
    padding: var(--space-2) var(--space-4);
    border-bottom: 0.5px solid var(--border-color);
    background-color: var(--main-background-color);
}

.interface-library-panel .library-subtabs-right {
    width: 100%;
    justify-content: flex-start;
    margin-left: 0;
    height: 43px;
    padding: var(--space-2) var(--space-4) 0 var(--space-4);
    /* border-bottom: 1px solid var(--border-color); */
    background-color: var(--main-background-color);
}

.library-close-panel-btn {
    width: 26px;
    height: 26px;
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color);
    color: var(--color-ink-lighter);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.library-close-panel-btn:hover {
    color: var(--color-ink);
    background-color: var(--main-background-color-third);
}

.library-pane-toggle-btn {
    width: 26px;
    height: 26px;
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color);
    color: var(--color-ink-lighter);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.library-pane-toggle-btn:hover {
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
}

.library-pane-toggle-btn.is-active {
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
}

.interface-library-panel.panel-hidden {
    display: none;
}

.workspace-right-panel .entity-side-panel-container {
    position: absolute;
    inset: 0;
    border-left: none;
    background: var(--main-background-color);
    z-index: 2;
}

.workspace-right-panel .entity-side-panel-container.panel-closed {
    opacity: 0;
    pointer-events: none;
    transform: translateX(8px);
}

.workspace-right-panel .entity-side-panel-container:not(.panel-closed) {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
}

/* ─── Placeholder Styling ─── */
.placeholder-icon {
    font-size: 2rem;
    opacity: 0.4;
}

.placeholder-label {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-ink-light);
}

.placeholder-hint {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    text-align: center;
    max-width: 200px;
    line-height: var(--leading-normal);
}

.interface-window-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    height: 100%;
    padding: var(--space-6);
}

/* ─── Bottom-Docked Controls Bar ─── */
.interface-controls-area {
    flex-shrink: 0;
    width: 100%;
    border-top: 3px solid var(--border-color);
    background-color: var(--main-background-color);
    z-index: var(--z-dropdown);
}

.interface-controls-bar {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    height: auto;
    min-height: 44px;
}

/* Logo — inherits base .symposium-logo dimensions from modals.css,
   override to fit the horizontal bar height */
.controls-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.controls-logo .symposium-logo {
    width: 40px;
}

/* Window Toggle Buttons */
.controls-windows {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
}

.controls-window-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border: var(--border-width) solid transparent;
    border-radius: var(--radius-md);
    background: none;
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
    font-family: var(--font-sans);
    font-weight: var(--weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.controls-window-btn:hover {
    color: var(--color-ink-light);
    background-color: var(--main-background-color-third);
}

.controls-window-btn.active {
    color: var(--color-ink);
    background-color: var(--main-background-color);
    border-color: var(--border-color);
}

.controls-window-label {
    font-size: var(--text-xs);
    letter-spacing: 0.02em;
}

/* Right Actions */
.controls-right {
    display: flex;
    flex-direction: row;
    flex: 1;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.controls-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: 0.5px solid var(--main-background-color-secondary);
    border-radius: var(--radius-full);
    background: none;
    color: var(--color-ink-lighter);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.controls-icon-btn:hover {
    color: var(--color-ink-light);
    background-color: var(--main-background-color-third);
}

.controls-icon-btn.active {
    color: var(--color-ink);
    background-color: var(--main-background-color-third);
}

/* Unified expandable control groups */
.unified-control-group {
    --unified-control-hover-safe-width: 760px;
    position: relative;
    display: inline-flex;
    align-items: center;
    z-index: 2;
}

.unified-control-group::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 100%;
    width: var(--unified-control-hover-safe-width);
    height: 40px;
    transform: translateY(-50%);
}

.unified-control-item {
    display: inline-flex;
    align-items: center;
}

.unified-control-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-ink-lighter);
    cursor: pointer;
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.unified-control-trigger:hover,
.unified-control-group:focus-within .unified-control-trigger {
    color: var(--color-ink);
    background-color: var(--main-background-color-third);
    border-color: var(--border-color-strong);
}

.unified-control-items {
    position: absolute;
    right: 100%;
    top: 50%;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    min-width: max-content;
    padding-right: var(--space-2);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-50%) translateX(8px);
    transition: opacity 180ms ease 240ms, transform 200ms cubic-bezier(0.22, 1, 0.36, 1) 240ms, visibility 0ms linear 440ms;
    z-index: 10;
}

.unified-control-group:hover .unified-control-items,
.unified-control-group:focus-within .unified-control-items {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0);
    transition: opacity 180ms ease, transform 200ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0ms linear 0ms;
}

.interface-window-header .unified-control-group.is-surface-active .unified-control-items {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0);
    transition: opacity 180ms ease, transform 200ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0ms linear 0ms;
}

.unified-control-group .unified-control-btn {
    --unified-control-hover-width: 96px;
    position: relative;
    width: 26px;
    min-width: 26px;
    padding: 0;
    gap: 0;
    overflow: hidden;
    justify-content: center;
    transition: width 160ms ease, color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.unified-control-group .unified-control-btn:focus-visible,
.unified-control-group .unified-control-btn.is-expanded {
    width: var(--unified-control-hover-width);
}

.interface-window-header .unified-control-group .unified-control-btn.active {
    position: relative;
    z-index: 4;
    width: var(--unified-control-hover-width);
}

.unified-control-group .unified-control-btn svg {
    flex-shrink: 0;
    transition: opacity 120ms ease, transform 140ms ease;
}

.unified-control-group .unified-control-btn::after {
    content: attr(data-label);
    position: absolute;
    inset: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: currentColor;
    opacity: 0;
    transform: translateY(2px);
    white-space: nowrap;
    transition: opacity 120ms ease, transform 140ms ease;
}

.unified-control-group .unified-control-btn:focus-visible svg,
.unified-control-group .unified-control-btn.is-expanded svg {
    opacity: 0;
    transform: scale(0.92);
}

.interface-window-header .unified-control-group .unified-control-btn.active svg {
    opacity: 0;
    transform: scale(0.92);
}

.unified-control-group .unified-control-btn:focus-visible::after,
.unified-control-group .unified-control-btn.is-expanded::after {
    opacity: 1;
    transform: translateY(0);
}

.interface-window-header .unified-control-group .unified-control-btn.active::after {
    opacity: 1;
    transform: translateY(0);
}

.unified-control-group .notifications-btn.unified-control-btn {
    --unified-control-hover-width: 122px;
}

/* Profile Avatar */
.controls-profile {
    width: 26px;
    display: flex;
    justify-content: center;
    position: relative;
    overflow: visible;
}

.controls-profile-trigger {
    width: 26px;
    height: 26px;
    padding: 0;
    border: 0;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-ink-lighter);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.controls-profile-trigger:hover {
    background-color: var(--main-background-color-third);
    color: var(--color-ink-light);
}

.controls-avatar-img {
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: var(--border-width) solid var(--border-color);
}

.controls-avatar-fallback {
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    border: var(--border-width) solid var(--border-color);
    background: var(--main-background-color-secondary);
    color: var(--color-ink-lighter);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.controls-profile-dropdown {
    position: absolute;
    top: 33px;
    right: 0;
    min-width: 220px;
    background: var(--main-background-color);
    background: color-mix(in srgb, var(--main-background-color) 86%, transparent);
    border: 1px solid var(--border-color);
    border-top: 1px solid var(--main-background-color);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    box-shadow: 0px 20px 34px var(--main-background-color-secondary);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: var(--space-2);
    z-index: calc(var(--z-dropdown) + 30);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px) scale(0.995);
    transition: opacity 180ms ease, transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0ms linear 220ms;
}

.controls-profile-dropdown.is-open {
    display: grid;
    gap: var(--space-2);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
    transition: opacity 180ms ease, transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0ms linear 0ms;
}

.controls-profile-dropdown-item {
    width: 100%;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    text-align: left;
    padding: var(--space-2) 1rem;
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.controls-profile-dropdown-item:hover {
    background: var(--main-background-color-third);
    border-color: var(--border-color-strong);
}

/* Notifications panel — constrain wrapper to bell button size only */
.interface-window-header [el-id="notifications-panel"],
.interface-window-header .notifications-panel {
    position: relative;
    flex-shrink: 0;
    width: auto;
}

/* Notifications dropdown — must be absolute so it doesn't affect flex layout.
   convo.css comments out position:absolute which causes the dropdown container
   to bleed into normal flow and overlap the settings button. */
.interface-window-header .notifications-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    bottom: auto;
    left: auto;
    right: 0;
}

/* ─── Chat Input (inside chat-panel) ─── */
.chat-panel-input {
    flex-shrink: 0;
    margin: 0 1rem;
    background-color: var(--main-background-color);
}

.chat-input-container {
    position: relative;
    padding: 0 0 var(--space-4) 0;
    max-width: 1000px;
    margin-inline: auto;
}

.chat-input-field-row {
    display: flex;
    width: 100%;
    align-items: center;
    gap: var(--space-2);
    background-color: var(--node-color);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 0.40rem var(--space-3);
    transition: border-color var(--transition-fast);
}

.chat-input-field-row.is-multiline {
    border-radius: var(--radius-xl);
}

/* .chat-input-field-row:focus-within {
    border-color: var(--border-color-strong);
} */

.chat-input-field-row.is-slash-open {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-bottom-left-radius: var(--radius-xl);
    border-bottom-right-radius: var(--radius-xl);
    border-width: 1px;
    border-top-width: 0;
}

.chat-input-field-row.is-assistant-panel-open {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-bottom-left-radius: var(--radius-xl);
    border-bottom-right-radius: var(--radius-xl);
    border-width: 1px;
    border-top-width: 0;
}

.chat-input-field {
    flex: 1;
    min-height: 20px;
    max-height: 150px;
    overflow-y: auto;
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    line-height: var(--leading-normal);
    color: var(--color-ink);
    outline: none;
    word-break: break-word;
}

.chat-input-field:empty::before {
    content: attr(data-placeholder);
    color: var(--color-ink-lighter);
    opacity: 0.50;
    pointer-events: none;
}

.chat-input-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.chat-assistant-toggle-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 999px;
    border: var(--border-width) solid var(--border-color);
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.chat-assistant-toggle-btn:hover {
    border-color: var(--border-color-strong);
    background: var(--main-background-color-third);
}

.chat-assistant-toggle-btn.mode-standard {
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-accent) 35%, transparent);
}

.chat-assistant-toggle-btn.mode-pro {
    box-shadow: none;
}

.chat-assistant-toggle-avatar {
    width: 100%;
    height: 100%;
    border-radius: 999px;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    line-height: 1;
}

.chat-assistant-toggle-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chat-assistant-toggle-mode-pill {
    position: absolute;
    right: -5px;
    bottom: -4px;
    min-width: 20px;
    height: 12px;
    padding: 0 4px;
    border-radius: 999px;
    border: 0.5px solid var(--border-color);
    background: var(--main-background-color);
    color: var(--color-ink-lighter);
    font-size: 8px;
    font-weight: var(--weight-semibold);
    letter-spacing: 0.04em;
    line-height: 10px;
    text-align: center;
    text-transform: lowercase;
}

.chat-assistant-toggle-mode-pill.is-standard {
    color: var(--color-accent);
    border-color: color-mix(in srgb, var(--color-accent) 40%, var(--border-color));
}

.chat-assistant-toggle-mode-pill.is-pro {
    color: var(--color-ink);
    border-color: color-mix(in srgb, var(--color-ink) 35%, var(--border-color));
}

.chat-assistant-toggle-mode-pill.is-hidden {
    display: none;
}

.chat-assistant-toggle-btn.mode-off .chat-assistant-toggle-avatar {
    opacity: 0.5;
    filter: grayscale(1) saturate(0.15);
}

/* Slash Assistant Menu */
.chat-assistant-slash-menu {
    position: absolute;
    display: flex;
    width: 100%;
    max-width: 1000px;
    height: 600px;
    justify-self: anchor-center;
    flex-direction: column;
    left: var(--space-3);
    right: var(--space-3);
    bottom: calc(100% - 1px);
    background: var(--main-background-color);
    border: 1px solid var(--border-color);
    border-bottom: 0.5px solid var(--border-color);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--space-4);
    z-index: calc(var(--z-dropdown) + 2);
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
}

.chat-assistant-slash-menu.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.chat-assistant-slash-menu.is-closing {
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
}

.chat-assistant-slash-menu-title {
    display: none;
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    margin-bottom: var(--space-1);
}

.chat-assistant-slash-menu-subtitle {
    display: none;
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    margin-bottom: var(--space-2);
}

.chat-assistant-slash-list {
    border-radius: var(--radius-xl);
    overflow-y: auto;
    padding-right: 2px;
}

.chat-assistant-slash-group {
    background-color: var(--main-background-color-secondary);
    border-radius: var(--radius-xl);
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.chat-assistant-slash-group + .chat-assistant-slash-group {
    margin-top: var(--space-2);
}

.chat-assistant-slash-group-title {
    font-size: 11px;
    font-weight: var(--weight-semibold);
    color: var(--color-ink-lighter);
    padding: 0 var(--space-1);
    margin-bottom: 2px;
}

.chat-assistant-slash-option {
    width: 100%;
    border: 0.5px solid var(--main-background-color);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-ink);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-4);
    cursor: pointer;
    font-size: var(--text-sm);
}

.chat-assistant-slash-option:hover,
.chat-assistant-slash-option.is-active {
    border-color: var(--color-accent);
}

.chat-assistant-slash-option.is-selected {
    border: 1px solid var(--color-accent);
    /* background: color-mix(in srgb, var(--color-accent-subtle) 70%, var(--main-background-color)); */
}

.chat-assistant-slash-option-hint {
    width: 14px;
    height: 14px;
    border: var(--border-width) solid var(--border-color-strong);
    border-radius: 3px;
    background: var(--main-background-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    font-size: 10px;
    font-weight: var(--weight-semibold);
    line-height: 1;
    flex-shrink: 0;
}

.chat-assistant-slash-option-hint.is-checked {
    border-color: color-mix(in srgb, var(--color-accent) 55%, var(--border-color));
    background: color-mix(in srgb, var(--color-accent) 22%, var(--main-background-color));
    color: var(--color-ink);
}

.chat-assistant-slash-option-hint.is-checked::before {
    content: '✓';
}

.chat-assistant-slash-empty {
    font-size: var(--text-sm);
    color: var(--color-ink-lighter);
    padding: var(--space-3) var(--space-2);
}

.chat-assistant-slash-menu-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-top: var(--space-2);
    padding-top: var(--space-2);
    border-top: var(--border-width) solid var(--border-color-soft);
}

.chat-assistant-slash-menu-help {
    font-size: 11px;
    color: var(--color-ink-lighter);
    line-height: 1.2;
}

.chat-assistant-slash-confirm-btn {
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
    font-size: var(--text-xs);
    padding: 5px var(--space-2);
    cursor: pointer;
}

.chat-assistant-slash-confirm-btn:disabled {
    opacity: 0.45;
    cursor: default;
}

.chat-assistant-slash-confirm-btn:hover:not(:disabled) {
    background: var(--main-background-color-third);
}

.chat-assistant-command-panel {
    position: absolute;
    left: var(--space-3);
    right: var(--space-3);
    justify-self: anchor-center;
    width: 100%;
    max-width: 1000px;
    height: 600px;
    flex-direction: column;
    bottom: calc(100% - 1px);
    gap: 10px;
    background: var(--main-background-color);
    border: 1px solid var(--border-color);
    border-bottom: 0.5px solid var(--border-color);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--space-4);
    z-index: calc(var(--z-dropdown) + 2);
    opacity: 0;
    transform: translateY(10px) scale(0.995);
    pointer-events: none;
    transition: opacity 180ms ease, transform 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.chat-assistant-command-panel.is-open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.chat-assistant-command-panel.is-closing {
    opacity: 0;
    transform: translateY(10px) scale(0.995);
    pointer-events: none;
}

.chat-assistant-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
}

.chat-assistant-panel-title {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: var(--weight-semibold);
}

.chat-assistant-panel-close,
.chat-assistant-panel-btn-secondary,
.chat-assistant-panel-btn {
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
    cursor: pointer;
}

.chat-assistant-panel-close {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.chat-assistant-panel-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    padding-bottom: var(--space-2);
    margin-bottom: var(--space-2);
    border-bottom: var(--border-width) solid var(--border-color-soft);
}

.chat-assistant-panel-tab {
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-ink-light);
    font-size: var(--text-xs);
    padding: 4px var(--space-2);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.chat-assistant-panel-tab:hover:not(.is-active) {
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
}

.chat-assistant-panel-tab.is-active {
    border-color: var(--color-accent);
    color: var(--color-ink);
    background: var(--main-background-color-secondary);
}

.chat-assistant-panel-content {
    overflow-y: auto;
    padding-right: 2px;
}

.chat-assistant-panel-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--space-3);
}

.chat-assistant-panel-label {
    font-size: 11px;
    color: var(--color-ink-lighter);
}

.chat-assistant-panel-input {
    width: 100%;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--main-background-color);
    color: var(--color-ink);
    padding: 6px var(--space-2);
    font-size: var(--text-sm);
}

.chat-assistant-panel-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: 1rem;
}

.chat-assistant-panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
}

.chat-assistant-panel-avatar {
    width: 62px;
    height: 62px;
    border-radius: 999px;
    border: var(--border-width) dashed var(--border-color);
    background: var(--main-background-color-secondary);
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}

.chat-assistant-panel-avatar-placeholder {
    color: var(--color-ink-lighter);
}

.chat-assistant-panel-list {
    margin: 0;
    padding-left: var(--space-4);
    color: var(--color-ink-light);
    font-size: 11px;
    line-height: 1.35;
}

.chat-assistant-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
}

.chat-assistant-summary-item {
    border: var(--border-width) solid var(--border-color-soft);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--main-background-color-secondary) 60%, var(--main-background-color));
    padding: 7px var(--space-2);
}

.chat-assistant-summary-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-ink-lighter);
    margin-bottom: 4px;
}

.chat-assistant-summary-value {
    font-size: 11px;
    color: var(--color-ink-light);
    line-height: 1.35;
}

.chat-assistant-summary-empty {
    grid-column: 1 / -1;
    border: var(--border-width) dashed var(--border-color-soft);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    font-size: 11px;
    color: var(--color-ink-lighter);
}

.chat-assistant-panel-metrics > div {
    background: var(--main-background-color-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chat-assistant-panel-metrics span {
    font-size: 11px;
    color: var(--color-ink-lighter);
}

.chat-assistant-panel-metrics strong {
    font-size: var(--text-sm);
    color: var(--color-ink);
}

.chat-assistant-panel-btn-secondary {
    padding: 5px var(--space-2);
    font-size: var(--text-xs);
    white-space: nowrap;
}

.chat-assistant-panel-note,
.chat-assistant-panel-help {
    font-size: 11px;
    color: var(--color-ink-lighter);
    margin-top: 5px;
}

.chat-assistant-panel-ok {
    font-size: 11px;
    color: var(--color-success);
}

.chat-assistant-panel-bad,
.chat-assistant-panel-error {
    font-size: 11px;
    color: var(--color-error);
}

.chat-assistant-panel-loading {
    font-size: var(--text-sm);
    color: var(--color-ink-lighter);
    padding: var(--space-3) var(--space-2);
}

.chat-assistant-panel-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
    margin-top: auto;
    padding-top: var(--space-2);
    border-top: var(--border-width) solid var(--border-color-soft);
}

.chat-assistant-panel-btn {
    font-size: var(--text-xs);
    padding: 5px var(--space-2);
}

.chat-assistant-panel-btn-ghost {
    border: none;
    background: transparent;
    color: var(--color-ink-lighter);
    cursor: pointer;
    font-size: 11px;
    padding: 4px 0;
}

.chat-assistant-panel-create-flow {
    margin-top: var(--space-2);
    border: var(--border-width) solid var(--border-color-soft);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--main-background-color-secondary) 35%, var(--main-background-color));
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.chat-assistant-panel-create-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-assistant-panel-create-head strong {
    font-size: 12px;
    color: var(--color-ink);
}

.chat-assistant-panel-textarea {
    resize: vertical;
    min-height: 54px;
}

/* ─── Provider card (collapsible) ─── */
.chat-ap-provider-card {
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--main-background-color);
    overflow: hidden;
    margin-bottom: var(--space-2);
}

.chat-ap-provider-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: var(--main-background-color-secondary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast);
}

.chat-ap-provider-header:hover {
    background: var(--main-background-color-third);
}

.chat-ap-provider-name {
    flex: 1;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-ink);
}

.chat-ap-provider-status {
    font-size: 10px;
    font-weight: var(--weight-semibold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    border: var(--border-width) solid transparent;
    background: var(--main-background-color);
    color: var(--color-ink-lighter);
}

.chat-ap-provider-status.is-connected {
    color: var(--color-success);
    border-color: var(--color-success);
    background: color-mix(in srgb, var(--color-success) 10%, transparent);
}

.chat-ap-provider-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-ink-lighter);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.chat-ap-provider-chevron.is-open {
    transform: rotate(90deg);
}

.chat-ap-provider-body {
    padding: var(--space-3);
    border-top: var(--border-width) solid var(--border-color-soft);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.chat-model-picker {
    position: relative;
}

.chat-model-picker-input {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 6px var(--space-2);
    background: var(--main-background-color);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.chat-model-picker-input.open {
    border-color: var(--color-accent);
}

.chat-model-picker-search {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    color: var(--color-ink);
    font-size: var(--text-sm);
    outline: none;
}

.chat-model-picker-arrow {
    color: var(--color-ink-lighter);
    display: inline-flex;
}

.chat-model-picker-dropdown {
    position: absolute;
    top: calc(100% + var(--space-1));
    left: 0;
    right: 0;
    max-height: 260px;
    overflow-y: auto;
    background: var(--main-background-color);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: calc(var(--z-dropdown) + 4);
}

.chat-model-picker-group {
    border-bottom: 1px solid var(--border-color-soft);
}

.chat-model-picker-group:last-child {
    border-bottom: none;
}

.chat-model-picker-group-header {
    position: sticky;
    top: 0;
    background: var(--main-background-color-secondary);
    color: var(--color-ink-lighter);
    font-size: 11px;
    text-transform: uppercase;
    padding: 6px var(--space-2);
}

.chat-model-picker-item {
    padding: 7px var(--space-2);
    cursor: pointer;
}

.chat-model-picker-item:hover,
.chat-model-picker-item.selected {
    background: var(--main-background-color-secondary);
}

.chat-model-picker-item-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2px;
}

.chat-model-picker-item-name {
    font-size: 12px;
    color: var(--color-ink);
}

.chat-model-picker-item-meta {
    display: flex;
    gap: var(--space-2);
    color: var(--color-ink-lighter);
    font-size: 11px;
}

.chat-model-picker-loading,
.chat-model-picker-empty {
    padding: var(--space-3);
    color: var(--color-ink-lighter);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
}

@media (max-width: 640px) {
    .chat-assistant-panel-grid {
        grid-template-columns: 1fr;
    }

    .chat-assistant-summary-grid {
        grid-template-columns: 1fr;
    }
}

.assistant-inline-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px var(--space-2);
    margin-right: var(--space-1);
    border-radius: var(--radius-full);
    border: var(--border-width) solid var(--border-color);
    background: var(--color-accent-subtle);
    color: var(--color-ink);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
}

.block-inline-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px var(--space-2);
    margin-right: var(--space-1);
    border-radius: var(--radius-full);
    border: var(--border-width) solid color-mix(in srgb, var(--color-accent) 40%, var(--border-color));
    background: color-mix(in srgb, var(--color-accent-subtle) 72%, var(--main-background-color));
    color: var(--color-ink);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
}

.chat-node-assistant-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    margin-right: var(--space-1);
    margin-bottom: 2px;
    border-radius: var(--radius-full);
    border: var(--border-width) solid var(--border-color);
    background: var(--color-accent-subtle);
    color: var(--color-ink);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    vertical-align: middle;
}

.chat-node-block-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    margin-right: var(--space-1);
    margin-bottom: 2px;
    border-radius: var(--radius-full);
    border: var(--border-width) solid color-mix(in srgb, var(--color-accent) 40%, var(--border-color));
    background: color-mix(in srgb, var(--color-accent-subtle) 72%, var(--main-background-color));
    color: var(--color-ink);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    vertical-align: middle;
}

.assistant-suggested-prompts {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    /* Reserve space on the right so prompts don't underlap the node-actions */
    padding-right: 80px;
    border-top: var(--border-width) solid color-mix(in srgb, var(--border-color) 40%, transparent);
}

.assistant-suggested-prompts-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Default: blended into the node — ghost pill, muted text */
.assistant-suggested-prompt-btn {
    appearance: none;
    border: var(--border-width) solid color-mix(in srgb, var(--border-color) 55%, transparent);
    background: transparent;
    color: var(--color-ink-lighter);
    border-radius: var(--radius-full);
    padding: 5px 10px;
    font-size: var(--text-xs);
    font-weight: var(--weight-normal);
    line-height: 1.3;
    cursor: pointer;
    letter-spacing: 0.01em;
    transition:
        background-color 180ms ease,
        border-color 180ms ease,
        color 180ms ease,
        box-shadow 180ms ease,
        transform 120ms ease;
}

/* Hover: emerges — visible, lifted, full contrast */
.assistant-suggested-prompt-btn:hover {
    background: var(--main-background-color);
    border-color: var(--border-color);
    color: var(--color-ink);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.assistant-suggested-prompt-btn:active {
    transform: translateY(0px);
    box-shadow: none;
}

.assistant-suggested-prompt-btn:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--color-accent) 60%, transparent);
    outline-offset: 2px;
    color: var(--color-ink);
    border-color: var(--border-color);
    background: var(--main-background-color);
}

/* Prompt preview — appears below the buttons on hover */
.assistant-suggested-prompt-preview {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    line-height: var(--leading-relaxed);
    padding: var(--space-1) var(--space-2);
    border-left: 2px solid color-mix(in srgb, var(--border-color) 60%, transparent);
    margin-left: var(--space-1);
    max-width: 480px;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), max-height var(--transition-slow);
}

.assistant-suggested-prompt-preview.is-visible {
    opacity: 1;
    max-height: 120px;
    pointer-events: auto;
}

/* Send Button */
.chat-input-send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: var(--radius-full);
    background: none;
    color: var(--color-ink-lighter);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-input-send-btn:hover:not(:disabled) {
    color: var(--color-ink);
    background-color: var(--main-background-color-third);
}

.chat-input-send-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.chat-input-send-btn.is-stop {
    color: var(--color-error);
}

.chat-input-send-btn.is-stop:hover {
    background-color: var(--color-error-bg);
}

.chat-assistant-jobs {
    margin: 0 auto;
    border: 1px solid var(--border-color);
    border-bottom: 0.5px solid var(--border-color);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    background: var(--main-background-color);
    padding: var(--space-2) var(--space-3);
    max-width: 1000px;
    width: min(1000px, calc(100% - 2rem));
    opacity: 0;
    transform: translateY(10px) scale(0.995);
    pointer-events: none;
    transition: opacity 180ms ease, transform 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.chat-assistant-jobs.is-open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.chat-assistant-jobs-head {
    display: none;
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    margin-bottom: var(--space-1);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: var(--weight-semibold);
}

.chat-assistant-jobs-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.chat-assistant-job-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: start;
    gap: var(--space-2);
    min-width: 0;
    width: 100%;
    border: var(--border-width) solid var(--border-color-soft);
    border-radius: var(--radius-full);
    background: color-mix(in srgb, var(--main-background-color-secondary) 70%, var(--main-background-color));
    padding: var(--space-2);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.chat-assistant-job-row > * {
    position: relative;
    z-index: 1;
}

.chat-assistant-job-row.is-running::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-130%);
    background: linear-gradient(
        104deg,
        transparent 0%,
        color-mix(in srgb, var(--main-background-color) 70%, transparent) 40%,
        color-mix(in srgb, var(--color-ink) 14%, transparent) 50%,
        color-mix(in srgb, var(--color-accent-subtle) 55%, transparent) 58%,
        transparent 100%
    );
    opacity: 0.42;
    pointer-events: none;
    animation: chat-assistant-job-shine 2.4s linear infinite;
}

.chat-assistant-job-chip {
    flex-shrink: 0;
    font-size: var(--text-xs);
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    border: var(--border-width) solid var(--border-color);
    background: var(--main-background-color-third);
    color: var(--color-ink);
}

.chat-assistant-job-stage {
    align-self: center;
    font-size: var(--text-sm);
    color: var(--color-ink-light);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.chat-assistant-job-stage-text {
    display: inline-block;
    min-width: 100%;
    will-change: transform;
}

.chat-assistant-job-stage.is-overflowing {
    text-overflow: clip;
}

.chat-assistant-job-stage.is-overflowing .chat-assistant-job-stage-text {
    animation: chat-assistant-job-pan var(--pan-duration, 8s) ease-in-out infinite alternate;
}

.chat-assistant-job-stage.is-overflowing:hover .chat-assistant-job-stage-text,
.chat-assistant-job-row:focus-within .chat-assistant-job-stage.is-overflowing .chat-assistant-job-stage-text {
    animation-play-state: paused;
}

@keyframes chat-assistant-job-pan {
    0%,
    12% {
        transform: translateX(0);
    }

    88%,
    100% {
        transform: translateX(calc(-1 * var(--pan-distance, 0px)));
    }
}

@keyframes chat-assistant-job-shine {
    0% {
        transform: translateX(-130%);
    }

    100% {
        transform: translateX(130%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .chat-assistant-job-stage.is-overflowing .chat-assistant-job-stage-text {
        animation: none;
    }

    .chat-assistant-job-row.is-running::after {
        animation: none;
    }
}

.chat-assistant-job-stop {
    width: 22px;
    height: 22px;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color-third);
    color: var(--color-ink-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.chat-assistant-job-stop:hover {
    color: var(--color-error);
    border-color: var(--color-error);
}

.async-response-source-link {
    width: 100%;
    border: none;
    background: var(--main-background-color-third);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-3);
    margin-bottom: var(--space-2);
    text-align: left;
    color: var(--color-ink-light);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.async-response-source-label {
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
    text-transform: uppercase;
}

.async-response-source-preview {
    font-size: var(--text-sm);
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.async-source-block-chip {
    margin-right: 4px;
    flex-shrink: 0;
    max-width: 180px;
    padding: 1px 7px 1px 5px;
    border: var(--border-width) solid color-mix(in srgb, var(--color-accent) 42%, var(--border-color));
    background: color-mix(in srgb, var(--color-accent-subtle) 72%, var(--main-background-color));
    border-radius: var(--radius-full);
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.async-source-block-chip .chip-icon,
.async-source-block-chip .chip-label {
    color: var(--color-ink);
}

.async-response-collapsed {
    position: relative;
    max-height: 3.2em;
    overflow: hidden;
}

.async-response-preview-text {
    font-size: var(--text-sm);
    color: var(--color-ink-light);
    line-height: var(--leading-normal);
}

.async-response-preview-fade {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1.6em;
    background: linear-gradient(to bottom, transparent, var(--main-background-color));
    pointer-events: none;
}

.async-response-expand-btn {
    margin-top: var(--space-2);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color-third);
    color: var(--color-ink);
    font-size: var(--text-xs);
    padding: 2px var(--space-2);
    cursor: pointer;
}

.async-response-expand-btn:hover {
    background: var(--main-background-color-secondary);
}

.node-actions .async-response-expand-btn {
    margin-top: 0;
    padding: 2px 6px;
    border: none;
    background: var(--main-background-color-third);
    color: var(--color-ink-light);
    line-height: 1;
}

.node-actions .async-response-expand-btn:hover {
    background: var(--main-background-color-secondary);
    color: var(--color-accent);
}

.transcript-compaction-collapsed,
.transcript-compaction-expanded {
    border: 0.5px solid color-mix(in srgb, var(--border-color) 85%, transparent);
    border-radius: var(--radius-xl);
    background: var(--main-background-color-secondary);
    padding: var(--space-3);
}

.transcript-compaction-label {
    font-size: var(--text-xs);
    letter-spacing: 0.01em;
    color: var(--color-ink-lighter);
    margin-bottom: var(--space-2);
}

.transcript-compaction-preview {
    font-size: var(--text-sm);
    color: var(--color-ink-light);
    line-height: var(--leading-normal);
}

.transcript-compaction-bullets {
    margin: 0 0 var(--space-2) var(--space-4);
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--color-ink);
    font-size: var(--text-sm);
}

.transcript-compaction-keywords {
    margin-top: var(--space-2);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.transcript-compaction-keyword {
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 1px 8px;
    font-size: var(--text-xs);
    color: var(--color-ink-light);
    background: var(--main-background-color);
}

.presence-panel-meta {
    margin-left: auto;
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

/* ─── Loading State ─── */
.interface-loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 300px;
    background: linear-gradient(135deg, var(--main-background-color) 0%, var(--main-background-color-secondary) 50%, var(--main-background-color-third) 100%);
    animation: interface-loading-fade-in 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.interface-loading-state::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
    animation: interface-loading-ambient-rotate 30s linear infinite;
    pointer-events: none;
}

.interface-loading-content {
    text-align: center;
    position: relative;
    z-index: 1;
    animation: interface-loading-content-entrance 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.2s backwards;
}

.interface-logo-wrapper {
    position: relative;
    width: 320px;
    height: 210px;
    margin: 0 auto var(--space-8);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 480px) {
    .interface-logo-wrapper {
        width: 260px;
        height: 170px;
        margin-bottom: var(--space-6);
    }

    .interface-loading-logo {
        width: 240px !important;
    }

    .interface-logo-glow-ring {
        width: 260px;
        height: 170px;
    }
}

.interface-loading-logo {
    width: 300px !important;
    aspect-ratio: 16/10.5;
    border-radius: 150px 150px 0 0;
    position: relative;
    overflow: hidden;
    background: var(--main-background-color-third);
    isolation: isolate;
    box-sizing: border-box;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    animation: interface-loading-logo-entrance 1s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.3s backwards, interface-loading-logo-breathe 6s ease-in-out 1.3s infinite;

    --logo-stop-1: var(--main-background-color);
    --logo-stop-2: var(--main-background-color-third);
}

html[data-theme="dark"] .interface-loading-logo {
    --logo-stop-1: var(--main-background-color);
    --logo-stop-2: var(--main-background-color-third);
}

html[data-theme="liquid-glass"] .interface-loading-state {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.4);
}

html[data-theme="liquid-glass"] .interface-loading-logo {
    background: rgba(245, 245, 245, 0.6);
    backdrop-filter: blur(10px);
    border: 0.5px solid rgba(255, 255, 255, 0.5);
}

.interface-loading-logo::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        135deg,
        var(--logo-stop-1) 0%,
        var(--logo-stop-1) 30%,
        var(--logo-stop-2) 70%,
        var(--logo-stop-2) 100%
    );
    animation: interface-loading-logo-drift 22s cubic-bezier(0.4, 0, 0.2, 1) infinite, interface-loading-logo-pulse 12s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    z-index: -1;
    will-change: transform, filter;
    backface-visibility: hidden;
}

.interface-loading-logo::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -150%;
    width: 80%;
    height: 200%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    transform: skewX(-20deg);
    animation: interface-loading-shimmer 4.5s ease-in-out 1.5s infinite;
}

html[data-theme="dark"] .interface-loading-logo::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
}

.interface-logo-glow-ring {
    position: absolute;
    width: 320px;
    height: 210px;
    border-radius: 160px 160px 0 0;
    border: 1px solid transparent;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.1) 0%, rgba(26, 26, 26, 0.05) 100%);
    opacity: 0;
    animation: interface-loading-glow-pulse 6s ease-in-out 1s infinite;
    pointer-events: none;
}

html[data-theme="dark"] .interface-logo-glow-ring {
    background: linear-gradient(135deg, rgba(229, 229, 229, 0.15) 0%, rgba(229, 229, 229, 0.08) 100%);
}

.interface-floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.interface-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-ink-lighter);
    border-radius: 50%;
    opacity: 0;
    animation: interface-loading-particle-float 11s ease-in-out infinite;
}

html[data-theme="dark"] .interface-particle {
    background: var(--color-ink-light);
}

.interface-particle-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 11s;
    --interface-particle-tx: 15px;
    --interface-particle-ty: -25px;
}

.interface-particle-2 {
    top: 30%;
    right: 15%;
    animation-delay: 1.5s;
    animation-duration: 12s;
    --interface-particle-tx: -20px;
    --interface-particle-ty: -35px;
}

.interface-particle-3 {
    bottom: 35%;
    left: 20%;
    animation-delay: 3s;
    animation-duration: 11.5s;
    --interface-particle-tx: -15px;
    --interface-particle-ty: 30px;
}

.interface-particle-4 {
    bottom: 25%;
    right: 10%;
    animation-delay: 4.5s;
    animation-duration: 13s;
    --interface-particle-tx: 25px;
    --interface-particle-ty: 20px;
}

.interface-loading-text {
    animation: interface-loading-text-fade-in 0.8s ease-out 0.6s backwards;
}

.interface-loading-text .loading-title {
    font-size: var(--text-2xl);
    font-weight: var(--weight-semibold);
    color: var(--color-ink);
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.interface-loading-text .loading-subtitle {
    font-size: var(--text-base);
    color: var(--color-ink-light);
    margin-bottom: var(--space-4);
}

.interface-loading-text .loading-dots {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    align-items: center;
    height: 20px;
}

.interface-loading-text .loading-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-ink-lighter);
    animation: interface-loading-dot-pulse 1.8s ease-in-out infinite;
}

.interface-loading-text .loading-dots span:nth-child(1) {
    animation-delay: 0s;
}

.interface-loading-text .loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

@keyframes interface-loading-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes interface-loading-content-entrance {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes interface-loading-logo-entrance {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes interface-loading-logo-breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes interface-loading-logo-drift {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
        filter: brightness(1);
    }
    25% {
        transform: translate(-3%, -2%) rotate(-1deg) scale(1.02);
        filter: brightness(1.05);
    }
    50% {
        transform: translate(2%, 3%) rotate(1deg) scale(0.98);
        filter: brightness(0.95);
    }
    75% {
        transform: translate(3%, -1%) rotate(0.5deg) scale(1.01);
        filter: brightness(1.03);
    }
}

@keyframes interface-loading-logo-pulse {
    0%, 100% { filter: saturate(1) contrast(1); }
    50% { filter: saturate(1.15) contrast(1.05); }
}

@keyframes interface-loading-shimmer {
    0% { left: -150%; }
    50%, 100% { left: 150%; }
}

@keyframes interface-loading-glow-pulse {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.05);
    }
}

@keyframes interface-loading-particle-float {
    0%, 100% {
        opacity: 0;
        transform: translate(0, 0) scale(1);
    }
    10% {
        opacity: 0.6;
    }
    50% {
        opacity: 0.8;
        transform: translate(var(--interface-particle-tx, 20px), var(--interface-particle-ty, -30px)) scale(1.2);
    }
    90% {
        opacity: 0.6;
    }
}

@keyframes interface-loading-text-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes interface-loading-dot-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
    }
}

@keyframes interface-loading-ambient-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .interface-loading-state,
    .interface-loading-content,
    .interface-loading-logo,
    .interface-loading-logo::before,
    .interface-loading-logo::after,
    .interface-logo-glow-ring,
    .interface-particle,
    .interface-loading-text,
    .interface-loading-text .loading-dots span,
    .interface-loading-state::before {
        animation: none !important;
    }

    .interface-workspace-loader-logo {
        animation: none !important;
    }

    .interface-window-body > .surface-panel,
    .interface-window-body > .surface-panel.is-active,
    .interface-window-body > .surface-panel.is-leaving {
        transition: none !important;
        transform: none !important;
    }
}

/* ─── Auth Form Override (centered in grid) ─── */
.interface-windows-grid > [el-is="auth-form"],
.interface-windows-grid > .view.active {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ─── Modal Root ─── */
.interface-app .modal-root {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-modal);
}

/* Children only get pointer-events when they opt in (e.g. when overlay is visible) */

/* ─── Responsive: Mobile ─── */
@media (max-width: 767px) {
    .interface-windows-grid {
        flex-direction: column;
        overflow-x: hidden;
        overflow-y: auto;
        padding: 0;
        gap: 0;
    }
    
    .interface-window {
        min-width: 100% !important;
        max-width: 100% !important;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    /* Stack chat and board vertically on mobile */
    .interface-workspace {
        flex-direction: column;
    }
    
    .interface-chat-container,
    .interface-board-container,
    .workspace-right-panel {
        flex: 1;
        min-height: 200px;
    }
}

/* ─── Liquid Glass Theme Overrides ─── */
html[data-theme="liquid-glass"] .interface-window {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(255, 255, 255, 0.5);
    box-shadow: 
        var(--shadow-md),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

html[data-theme="liquid-glass"] .interface-window-header {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

html[data-theme="liquid-glass"] .interface-input-area {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* ─── Dark Theme Adjustments ─── */
html[data-theme="dark"] .interface-window,
html[data-theme="sakina-purple"] .interface-window,
html[data-theme="deep-blue"] .interface-window,
html[data-theme="dark-brown"] .interface-window,
html[data-theme="dark-green"] .interface-window,
html[data-theme="dark-red"] .interface-window {
    box-shadow: var(--shadow-md);
}

/* ─── Presence Indicator ─── */
.presence-indicator {
    position: relative;
    display: none;
    align-items: center;
    gap: var(--space-1);
}

.presence-avatars {
    display: flex;
    align-items: center;
}

.presence-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-left: -6px;
    border: 1px solid var(--main-background-color);
    flex-shrink: 0;
}

.presence-avatar:first-child {
    margin-left: 0;
}

.presence-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.presence-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    font-size: 10px;
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
}

.presence-overflow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--color-ink);
    color: var(--main-background-color);
    font-size: 10px;
    font-weight: var(--weight-semibold);
    margin-left: -6px;
    border: 1px solid var(--main-background-color);
    flex-shrink: 0;
}

.presence-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--main-background-color);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 20;
}

.presence-indicator:hover .presence-panel,
.presence-indicator.is-open .presence-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.presence-panel-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.presence-panel-user:hover {
    background: var(--main-background-color-third);
}

.presence-panel-avatar {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.presence-panel-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.presence-panel-name {
    font-size: var(--text-sm);
    color: var(--color-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Typing Indicator ─── */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
    animation: typing-fade-in 0.2s ease-out;
}

.typing-indicator-dots {
    display: flex;
    gap: 3px;
}

.typing-indicator-avatars {
    display: flex;
    align-items: center;
}

.typing-indicator-avatar {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 1px solid var(--main-background-color);
    margin-left: -6px;
    flex-shrink: 0;
}

.typing-indicator-avatar:first-child {
    margin-left: 0;
}

.typing-indicator-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.typing-indicator-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--color-accent-subtle);
    color: var(--color-ink-light);
    font-size: 8px;
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
}

.typing-indicator-content {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.typing-indicator-dots span {
    width: 5px;
    height: 5px;
    border-radius: var(--radius-full);
    background-color: var(--color-ink-lighter);
    animation: interface-dot-pulse 1.4s infinite ease-in-out both;
}

.typing-indicator-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator-dots span:nth-child(2) { animation-delay: -0.16s; }

.typing-indicator-text {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

.typing-indicator-text strong {
    color: var(--color-ink-light);
    font-weight: var(--weight-medium);
}

@keyframes typing-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Chat Panel Convo Styles (shared with convo.css) ─── */
.chat-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    align-content: center;
    justify-content: center;
}

.chat-panel-header {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    border-bottom: var(--border-width) solid var(--border-color);
    flex-shrink: 0;
    height: 43px;
}

.chat-branch-badge {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    font-weight: var(--weight-medium);
}

.chat-header-separator {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: var(--color-ink-lighter);
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.chat-panel-header .unified-control-group {
    position: static;
}

.chat-panel-header .unified-control-group::before {
    display: none;
}

.chat-panel-header .unified-control-trigger {
    display: none;
}

.chat-panel-header .unified-control-items {
    position: static;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    padding-right: 0;
    transition: none;
}

.chat-panel-header .unified-control-group:hover .unified-control-items,
.chat-panel-header .unified-control-group:focus-within .unified-control-items {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: none;
}

.chat-total-tokens {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

/* ─── Messages Wrapper (position context for canvas overlay) ─── */
.chat-messages-wrapper {
    flex: 1;
    min-height: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages-container {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: var(--space-3);
}

.chat-panel .convo-node.node-enter {
    animation: interface-node-enter 420ms cubic-bezier(0.2, 0.78, 0.26, 1);
    transform-origin: center top;
}

.chat-panel .convo-node.is-fading-out {
    opacity: 0;
    transform: translateY(-6px) scale(0.992);
    transition: opacity 220ms ease, transform 220ms ease;
    pointer-events: none;
}

.chat-panel .convo-node.branch-start-ghost {
    opacity: 0.5;
    filter: grayscale(0.7);
    pointer-events: none;
    border-style: dashed;
    background: var(--main-background-color-third);
}

.chat-panel .ghost-node-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    margin-bottom: var(--space-3);
    border: 0.5px dashed var(--color-accent);
    border-radius: var(--radius-md);
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

@keyframes interface-node-enter {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.985);
        filter: saturate(0.9);
    }
    55% {
        opacity: 0.7;
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: saturate(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .chat-panel .convo-node.node-enter {
        animation: none;
    }
}

.chat-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: var(--space-6);
}

.chat-empty-title {
    font-size: var(--text-lg);
    font-weight: var(--weight-medium);
    color: var(--color-ink-light);
    text-align: center;
}

.chat-scroll-to-bottom-btn {
    position: absolute;
    bottom: 1rem;
    right: 30px !important;
    transform: translateY(-60px);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    border: var(--border-width) solid var(--border-color);
    background-color: var(--main-background-color);
    color: var(--color-ink-lighter);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    z-index: 10;
    transition: all var(--transition-fast);
}

.chat-scroll-to-bottom-btn.visible {
    display: flex;
}

.chat-scroll-to-bottom-btn:hover {
    color: var(--color-ink);
    background-color: var(--main-background-color);
}

/* ═══════════════════════════════════════════
   Interface Tab Bar (project-grouped tabs)
   ═══════════════════════════════════════════ */

.interface-tab-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    min-width: 0;
}

.interface-tab-bar::-webkit-scrollbar {
    display: none;
}

.tab-bar-empty {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    font-style: italic;
    padding: var(--space-1) 0;
}

.interface-project-tab {
    cursor: default;
}

.interface-project-tab .tab-group-header {
    cursor: pointer;
}

.interface-project-tab .tab-group-header:hover .tab-group-label {
    color: var(--color-ink-light);
}

.project-interfaces-dropdown {
    position: fixed;
    left: 0;
    top: 0;
    width: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px) scale(0.995);
    background: var(--main-background-color);
    background: color-mix(in srgb, var(--main-background-color) 86%, transparent);
    border: 1px solid var(--border-color);
    border-top: 1px solid var(--main-background-color);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    box-shadow: 0px 20px 34px var(--main-background-color-secondary);
    -webkit-backdrop-filter: blur(8px);
    scrollbar-width: thin;
    scrollbar-color: var(--main-background-color-secondary) var(--main-background-color);
    backdrop-filter: blur(8px);
    z-index: calc(var(--z-dropdown) + 20);
    padding: var(--space-2);
    overflow: auto;
    will-change: transform, opacity;
    transition: opacity 180ms ease, transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0ms linear 220ms;
}

.project-interfaces-dropdown.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
    transition: opacity 180ms ease, transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0ms linear 0ms;
}

.project-interfaces-dropdown-content {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 170ms ease, transform 210ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-interfaces-dropdown.is-switching .project-interfaces-dropdown-content {
    opacity: 0.3;
    transform: translateY(4px);
}

.project-interfaces-dropdown-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-2) var(--space-1);
}

.project-interfaces-dropdown-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-ink);
}

.project-interfaces-dropdown-count {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

.project-interfaces-dropdown-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-1);
}

.project-interface-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color);
    padding: var(--space-2) var(--space-2) var(--space-2) 1rem;
    color: var(--color-ink);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.project-interface-row:hover {
    background: var(--main-background-color-third);
    border-color: var(--border-color-strong);
}

.project-interface-row.active {
    background: var(--main-background-color-secondary);
    border-color: var(--border-color-strong);
}

.project-interface-main {
    display: flex;
    flex-direction: row;
    align-items: center;
    min-width: 0;
    gap: var(--space-2);
}

.project-interface-name {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.project-interface-meta,
.project-interface-updated {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.project-interface-updated::before {
    content: '\2022';
    margin-right: var(--space-2);
    color: var(--color-ink-muted);
}

.project-interface-actions {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.project-interface-edit,
.project-interface-delete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    color: var(--color-ink-lighter);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.project-interface-edit:hover {
    color: var(--color-ink);
    background: var(--main-background-color-third);
}

.project-interface-delete:hover {
    color: var(--color-error);
    background: var(--color-error-bg);
}

.project-interface-add {
    width: calc(100% - var(--space-2));
    margin: var(--space-1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    border: var(--border-width) dashed var(--border-color);
    border-radius: var(--radius-full);
    background: none;
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
    padding: var(--space-2);
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.project-interface-add:hover {
    color: var(--color-ink-light);
    border-color: var(--border-color-strong);
    background: var(--main-background-color-secondary);
}

/* ─── Tab Group (project boundary) ─── */
.interface-tab-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    background-color: var(--main-background-color);
    flex-shrink: 0;
    text-align: center;
    /* Smooth width change when header collapses/expands */
    transition: padding 350ms cubic-bezier(0.4, 0, 0.2, 1),
                gap 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-group-label {
    font-size: 10px;
    font-weight: var(--weight-semibold);
    color: var(--color-ink-lighter);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0 var(--space-1);
    line-height: 1;
}

.tab-group-tabs {
    display: flex;
    align-items: center;
    gap: 5px;
    padding-right: 10px;
    justify-content: space-between;
    position: relative;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.tab-group-tabs::-webkit-scrollbar {
    display: none;
}

/* ─── Individual Tab ─── */
.interface-tab {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex: 0 0 auto;
    padding: var(--space-1) var(--space-2);
    border: 0.5px solid var(--main-background-color-third);
    border-radius: var(--radius-full);
    background: none;
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
    font-family: var(--font-sans);
    font-weight: var(--weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    max-width: 220px;
    overflow: hidden;
}

.interface-tab:hover {
    color: var(--color-ink-light);
    background-color: var(--main-background-color-third);
}

.interface-tab.active {
    color: var(--color-ink);
    background-color: var(--main-background-color);
    box-shadow: var(--shadow-sm);
}

.interface-tab-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Tab group header (label + project action buttons) ─── */
.tab-group-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
}

/* ─── Project action buttons (hover-injected, fade in via .is-visible) ─── */
.tab-group-rename-btn,
.tab-group-delete-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 10px;
    height: 10px;
    border-radius: var(--radius-sm);
    color: var(--color-ink-lighter);
    cursor: pointer;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 150ms ease, color var(--transition-fast), background-color var(--transition-fast);
}

.tab-group-rename-btn.is-visible,
.tab-group-delete-btn.is-visible {
    opacity: 1;
}

.tab-group-rename-btn:hover {
    color: var(--color-ink-light);
    background-color: var(--main-background-color-tertiary);
}

.tab-group-delete-btn:hover {
    color: var(--color-error, #dc2626);
    background-color: var(--color-error-bg, rgba(220, 38, 38, 0.08));
}

/* ─── Active project highlight ─── */
.interface-window-header .interface-tab-group.has-active .tab-group-label {
    color: var(--color-ink);
    font-weight: var(--weight-semibold);
}

.interface-window-header .interface-tab-group.has-active {
    border-color: var(--border-color-strong);
    background-color: var(--main-background-color-secondary);
}

/* ─── Inline + button inside tab groups ─── */
.interface-tab-add {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm);
    background: none;
    color: var(--color-ink-lighter);
    cursor: pointer;
    flex-shrink: 0;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.interface-tab-add:hover {
    color: var(--color-ink-light);
    background-color: var(--main-background-color-third);
}

/* ─── Delete button inside each interface tab ─── */
.interface-tab-delete-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 0;
    height: 14px;
    border-radius: var(--radius-sm);
    color: var(--color-ink-lighter);
    cursor: pointer;
    overflow: hidden;
    opacity: 0;
    flex-shrink: 0;
    transition: opacity var(--transition-fast), width var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}

.interface-tab:hover .interface-tab-delete-btn {
    opacity: 1;
    width: 16px;
}

.interface-tab-delete-btn:hover {
    color: var(--color-error, #dc2626);
    background-color: var(--color-error-bg, rgba(220, 38, 38, 0.08));
}

/* ─── Add Interface Button ─── */
.interface-add-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: none;
    color: var(--color-ink-lighter);
    cursor: pointer;
    transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base), transform var(--transition-base);
    flex-shrink: 0;
}

.interface-add-btn:hover {
    color: var(--color-ink-light);
    border-color: var(--border-color-strong);
    background-color: var(--main-background-color-third);
    transform: translateY(-1px);
}

/* ═══════════════════════════════════════════
   Chat Panel Header (convo title + actions)
   ═══════════════════════════════════════════ */

.chat-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 0;
    flex: 1;
}

.chat-convo-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 400px;
}

.chat-header-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-full);
    background: none;
    color: var(--color-ink-lighter);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-header-btn:hover {
    color: var(--color-ink);
    background-color: var(--main-background-color-third);
}

.chat-header-btn.active {
    color: var(--color-primary);
    background-color: var(--main-background-color-third);
}

.chat-header-btn-danger:hover {
    color: var(--color-error);
    background-color: var(--main-background-color-secondary);
}

/* ═══════════════════════════════════════════
   Branch Canvas Overlay
   ═══════════════════════════════════════════ */

.branch-canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--main-background-color);
    z-index: 20;
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: branch-canvas-slide-in 0.2s ease-out;
}

.branch-canvas-overlay.open {
    display: flex;
}

@keyframes branch-canvas-slide-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.branch-canvas-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2);
}

.branch-canvas-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    color: var(--color-ink-light);
    font-size: var(--text-sm);
}

.branch-canvas-item:hover {
    background-color: var(--main-background-color-third);
}

.branch-canvas-item.active {
    background-color: var(--main-background-color-secondary);
    color: var(--color-ink);
    font-weight: var(--weight-medium);
}

.branch-canvas-icon {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    color: var(--color-ink-lighter);
}

.branch-canvas-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.branch-active-badge {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    background-color: var(--main-background-color-third);
    padding: 1px var(--space-2);
    border-radius: var(--radius-sm);
    font-weight: var(--weight-medium);
}

.branch-canvas-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    color: var(--color-ink-lighter);
    font-size: var(--text-sm);
    text-align: center;
}

/* Canvas body — holds the full canvas-view tree visualization */
.branch-canvas-body {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

/* Ensure the canvas-view fills the body container */
.branch-canvas-body .canvas-view {
    width: 100%;
    height: 100%;
}

.branch-canvas-body .canvas-area {
    width: 100%;
    height: 100%;
    overflow: auto;
}

.branch-canvas-body .canvas-empty {
    height: 100%;
}

/* ─── Board container must be position:relative for overlay ─── */
.interface-board-container {
    position: relative;
}

/* ═══════════════════════════════════════════
   Settings Modal (Interface UI)
   Full-screen overlay embedding settings-mode
   ═══════════════════════════════════════════ */

.settings-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    pointer-events: auto; /* Override inherited pointer-events: none from modal-root */
    animation: settings-modal-fade-in 0.15s ease-out;
}

@keyframes settings-modal-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.settings-modal-panel {
    width: 100%;
    max-width: 600px;
    max-height: 85vh;
    background: var(--main-background-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: settings-modal-slide-up 0.2s ease-out;
}

@keyframes settings-modal-slide-up {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.settings-modal-body {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Ensure the embedded settings-mode fills the modal body */
.settings-modal-inner,
.settings-modal-body > [el-is="settings-mode"] {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Override settings-mode height for modal context */
.settings-modal-body .settings-mode {
    height: 100%;
    max-height: 85vh;
}

/* Ensure scrollable settings content within modal */
.settings-modal-body .settings-content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

/* Liquid Glass theme override */
html[data-theme="liquid-glass"] .settings-modal-panel {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 0.5px solid rgba(255, 255, 255, 0.5);
}

/* Mobile: full-width panel */
@media (max-width: 640px) {
    .settings-modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .settings-modal-panel {
        max-width: 100%;
        max-height: 92vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
}

/* ═══════════════════════════════════════════
   Add Interface Modal
   Compact single-input creation dialog
   ═══════════════════════════════════════════ */

.add-interface-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: var(--z-modal-overlay, 1000);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    pointer-events: auto;
    animation: add-interface-modal-fade-in 0.15s ease-out;
}

@keyframes add-interface-modal-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.add-interface-modal-panel {
    width: 100%;
    max-width: 400px;
    background: var(--main-background-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: var(--border-width) solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: add-interface-modal-slide-up 0.2s ease-out;
}

@keyframes add-interface-modal-slide-up {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0);    }
}

/* Header */
.add-interface-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: var(--border-width) solid var(--border-color);
    flex-shrink: 0;
}

.add-interface-modal-title {
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: var(--color-ink);
}

.add-interface-modal-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm);
    background: none;
    color: var(--color-ink-lighter);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.add-interface-modal-close-btn:hover {
    color: var(--color-ink);
    background-color: var(--main-background-color-third);
}

/* Body */
.add-interface-modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
}

.add-interface-modal-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-ink-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.add-interface-modal-input {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: var(--main-background-color-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    color: var(--color-ink);
    outline: none;
    transition: border-color var(--transition-fast);
    box-sizing: border-box;
}

.add-interface-modal-input::placeholder {
    color: var(--color-ink-lighter);
}

.add-interface-modal-input:focus {
    border-color: var(--border-color-strong);
    background: var(--main-background-color);
}

/* Footer */
.add-interface-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-top: var(--border-width) solid var(--border-color);
    flex-shrink: 0;
}

.add-interface-modal-cancel-btn {
    display: flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-full);
    background: none;
    color: var(--color-ink-light);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    font-weight: var(--weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.add-interface-modal-cancel-btn:hover {
    color: var(--color-ink);
    background-color: var(--main-background-color-third);
    border-color: var(--border-color-strong);
}

.add-interface-modal-create-btn {
    display: flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    border: none;
    border-radius: var(--radius-full);
    background-color: var(--color-ink);
    color: var(--main-background-color);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    font-weight: var(--weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.add-interface-modal-create-btn:hover:not(:disabled) {
    opacity: 0.85;
}

.add-interface-modal-create-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

/* Liquid Glass theme */
html[data-theme="liquid-glass"] .add-interface-modal-panel {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 0.5px solid rgba(255, 255, 255, 0.5);
}

/* Mobile: sheet from bottom */
@media (max-width: 640px) {
    .add-interface-modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .add-interface-modal-panel {
        max-width: 100%;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
}

/* ==========================================
   Voice Channel
   ========================================== */

.interface-workspace {
    padding-bottom: 42px;
}

.interface-workspace.voice-bar-hidden {
    padding-bottom: 0;
}

.workspace-voice-bar {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 6;
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 0.5px solid var(--border-color);
    background: linear-gradient(180deg, color-mix(in srgb, var(--main-background-color) 92%, transparent) 0%, var(--main-background-color) 100%);
}

.voice-channel-bar {
    height: 42px;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
}

.voice-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 120px;
}

.voice-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-ink-lighter);
}

.voice-status-dot.connected {
    background: #2ca867;
}

.voice-status.is-capturing .voice-status-dot {
    background: #d2a72d;
    box-shadow: 0 0 0 6px color-mix(in srgb, #d2a72d 25%, transparent);
}

.voice-status.is-prompt-sent .voice-status-dot {
    background: #2f80ed;
}

.voice-status-label {
    font-size: var(--text-xs);
    color: var(--color-ink-light);
}

.voice-participants {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.voice-participants::-webkit-scrollbar {
    display: none;
}

.voice-participant {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0 var(--space-2) 0 0;
    border-radius: var(--radius-full);
    border: 0.5px solid transparent;
    flex-shrink: 0;
}

.voice-participant.is-speaking {
    border-color: color-mix(in srgb, #2ca867 45%, var(--border-color));
    background: color-mix(in srgb, #2ca867 10%, transparent);
}

.voice-participant-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: var(--weight-semibold);
    color: var(--main-background-color);
    background: var(--color-ink-light);
    overflow: hidden;
}

.voice-participant-avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.voice-participant-label {
    font-size: 11px;
    color: var(--color-ink-light);
    max-width: 120px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.voice-controls {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: auto;
}

.voice-btn {
    height: 28px;
    border: 0.5px solid var(--border-color);
    background: var(--main-background-color);
    color: var(--color-ink-light);
    border-radius: var(--radius-full);
    padding: 0 var(--space-3);
    font-size: 11px;
    font-weight: var(--weight-semibold);
    cursor: pointer;
}

.voice-btn:disabled {
    opacity: 0.45;
    cursor: default;
}

.voice-btn.active,
.voice-btn:hover:not(:disabled) {
    background: var(--main-background-color-secondary);
    color: var(--color-ink);
}

.voice-btn-join.active {
    background: color-mix(in srgb, #ca4e4e 14%, var(--main-background-color));
    border-color: color-mix(in srgb, #ca4e4e 48%, var(--border-color));
}

.voice-start-panel {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0 var(--space-4) var(--space-2);
}

.voice-start-panel.hidden {
    display: none;
}

.voice-start-input {
    flex: 1;
    min-width: 200px;
    height: 30px;
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--main-background-color);
    color: var(--color-ink);
    padding: 0 var(--space-3);
    font-size: 11px;
}

.voice-start-confirm {
    border-color: color-mix(in srgb, #2c7be5 42%, var(--border-color));
}

.voice-transcript-wrapper {
    border-top: 1px solid var(--border-color);
    background: var(--main-background-color);
    max-height: 280px;
}

.voice-transcript-wrapper.hidden {
    display: none;
}

.voice-transcript-panel {
    display: flex;
    flex-direction: column;
    min-height: 120px;
    max-height: 280px;
}

.voice-transcript-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-4);
}

.voice-transcript-actions {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.voice-transcript-title {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-ink);
}

.voice-transcript-clear {
    border: 0.5px solid var(--border-color);
    background: var(--main-background-color);
    color: var(--color-ink-light);
    border-radius: var(--radius-full);
    padding: 2px var(--space-2);
    font-size: 11px;
    cursor: pointer;
}

.voice-transcript-clear.hidden {
    display: none;
}

.voice-transcript-meta {
    padding: 0 var(--space-4) var(--space-2) var(--space-4);
    font-size: 11px;
    color: var(--color-ink-lighter);
}

.voice-transcript-body {
    overflow-y: auto;
    padding: 0 var(--space-4) var(--space-3) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.voice-transcript-segment {
    padding: var(--space-2);
    border: 0.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--main-background-color-secondary);
}

.voice-transcript-segment.is-prompt {
    border-color: color-mix(in srgb, #2f80ed 45%, var(--border-color));
}

.voice-transcript-speaker {
    display: block;
    font-size: 11px;
    color: var(--color-ink-lighter);
    margin-bottom: 2px;
}

.voice-transcript-text {
    display: block;
    font-size: 12px;
    color: var(--color-ink);
    line-height: 1.35;
}

.voice-transcript-badge {
    margin-top: var(--space-1);
    display: inline-flex;
    font-size: 10px;
    color: #2f80ed;
}

@media (max-width: 900px) {
    .interface-workspace {
        padding-bottom: 72px;
    }

    .interface-workspace.voice-bar-hidden {
        padding-bottom: 0;
    }

    .voice-channel-bar {
        flex-wrap: wrap;
        align-items: flex-start;
        gap: var(--space-2);
        min-height: 72px;
        padding: var(--space-2) var(--space-3);
    }

    .voice-status {
        width: 100%;
        min-width: 0;
    }

    .voice-participants {
        order: 3;
        width: 100%;
    }

    .voice-controls {
        margin-left: 0;
    }

    .voice-start-panel {
        flex-wrap: wrap;
        padding: 0 var(--space-3) var(--space-2);
    }

    .voice-start-input {
        min-width: 0;
        width: 100%;
    }
}