/**
 * Chat & Draft Entity Styles
 * Follows Symposium Design System (Dieter Rams inspired)
 * Minimal, functional, honest
 */

/* ============================================
   CHAT OVERLAY
   ============================================ */

.chat-overlay {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    /* Bottom is set to sit above the input area */
    bottom: calc(var(--input-area-height, 130px));
    background: var(--color-paper);
    border-bottom: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-modal-overlay, 100);
    transform: translateY(-100%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.chat-overlay.expanded {
    transform: translateY(0);
}

.chat-overlay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: var(--border-width) solid var(--border-color);
    background: var(--color-paper-warm);
    flex-shrink: 0;
}

.chat-overlay-title {
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--color-ink);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

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

.chat-overlay-btn {
    padding: var(--space-1) var(--space-2);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-ink-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--text-sm);
}

.chat-overlay-btn:hover {
    background: var(--color-paper-cool);
    color: var(--color-ink);
}

.chat-overlay-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

/* ============================================
   CHAT NAVIGATION DROPDOWNS
   ============================================ */

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

.chat-nav-dropdown {
    position: relative;
}

.chat-nav-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--color-paper);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-ink);
    cursor: pointer;
    transition: all var(--transition-fast);
    max-width: 160px;
    white-space: nowrap;
}

.chat-nav-btn span:not(.dropdown-arrow) {
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-nav-btn:hover {
    border-color: var(--border-color-strong);
    background: var(--color-paper-cool);
}

.chat-nav-dropdown.open .chat-nav-btn {
    border-color: var(--color-target);
    background: var(--color-paper-cool);
}

.dropdown-arrow {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    transition: transform var(--transition-fast);
}

.chat-nav-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.chat-nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    max-width: 280px;
    max-height: 300px;
    overflow-y: auto;
    background: var(--color-paper);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    margin-top: var(--space-1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-fast);
}

.chat-nav-dropdown.open .chat-nav-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.chat-nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.chat-nav-item:hover {
    background: var(--color-paper-cool);
}

.chat-nav-item.active {
    background: var(--color-target-bg);
}

.chat-nav-item.active .chat-nav-item-name {
    font-weight: var(--weight-medium);
    color: var(--color-target);
}

.chat-nav-item-name {
    font-size: var(--text-sm);
    color: var(--color-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.chat-nav-item-count {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    flex-shrink: 0;
    margin-left: var(--space-2);
}

.chat-nav-empty {
    padding: var(--space-3);
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-ink-lighter);
    font-style: italic;
}

/* ============================================
   CONVO NODE (Message Container)
   ============================================ */

.convo-node {
    margin-bottom: var(--space-6);
}

.convo-node-user {
    margin-bottom: var(--space-3);
}

.convo-node-user-content {
    display: inline-block;
    max-width: 80%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-ink);
    color: var(--color-paper);
    border-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-sm);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    margin-left: auto;
    float: right;
    clear: both;
}

.convo-node-user-content::after {
    content: '';
    display: table;
    clear: both;
}

/* ============================================
   COMMAND CHIP (Slash Commands)
   ============================================ */

.command-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px 8px 2px 6px;
    background: var(--color-target-bg);
    border: var(--border-width) solid var(--color-target);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-target);
    margin-right: var(--space-1);
    vertical-align: middle;
}

.convo-node-assistant {
    clear: both;
}

.convo-node-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
}

.convo-node-assistant-content {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-ink);
}

.convo-node-assistant-content p {
    margin-bottom: var(--space-3);
}

.convo-node-loading {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-ink-lighter);
    padding: var(--space-4);
}

.loading-dots {
    display: flex;
    gap: var(--space-1);
}

.loading-dots span {
    width: 6px;
    height: 6px;
    background: var(--color-ink-lighter);
    border-radius: 50%;
    animation: loadingDot 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0; }

@keyframes loadingDot {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ============================================
   DRAFT ENTITY BASE
   ============================================ */

.draft-entity {
    background: var(--color-paper);
    border: var(--border-width) solid var(--border-color);
    border-left-width: 4px;
    border-radius: var(--radius-lg);
    margin: var(--space-4) 0;
    overflow: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    max-width: 100%;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.draft-entity:hover {
    border-color: var(--border-color-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Type variants for distinct UI */
.draft-entity.draft-card { border-left-color: var(--color-agent); }
.draft-entity.draft-schema { border-left-color: var(--color-query); }
.draft-entity.draft-tag { border-left-color: var(--color-output); }
.draft-entity.draft-collection { border-left-color: var(--color-cleanup); }

/* Distinct UI patterns for different entity types using design system variables */
.draft-entity.draft-schema .draft-header { background: var(--color-query-bg); }
.draft-entity.draft-schema .draft-label { color: var(--color-query); }

.draft-entity.draft-card .draft-header { background: var(--color-agent-bg); }
.draft-entity.draft-card .draft-label { color: var(--color-agent); }

.draft-entity.draft-tag .draft-header { background: var(--color-output-bg); }
.draft-entity.draft-tag .draft-label { color: var(--color-output); }

.draft-entity.draft-collection .draft-header { background: var(--color-cleanup-bg); }
.draft-entity.draft-collection .draft-label { color: var(--color-cleanup); }

/* Status overrides */
.draft-entity.status-pending {
    /* Uses type color by default */
}

.draft-entity.status-edited {
    border-left-color: var(--color-operation);
}

.draft-entity.status-saved {
    border-left-color: var(--color-success);
    opacity: 0.8;
    background: var(--color-success-bg);
}

.draft-entity.status-discarded {
    border-left-color: var(--color-ink-lighter);
    opacity: 0.5;
    filter: grayscale(1);
}

/* Update mode (editing existing entity) */
.draft-entity.is-update-mode {
    border-style: solid;
    background: linear-gradient(135deg, var(--color-paper) 0%, var(--color-operation-bg) 100%);
}

.draft-entity.is-update-mode .draft-header {
    background: var(--color-operation-bg);
}

.draft-entity.is-update-mode .draft-label {
    color: var(--color-operation);
    font-weight: var(--weight-medium);
}

/* ============================================
   DRAFT HEADER
   ============================================ */

.draft-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-paper-warm);
    border-bottom: var(--border-width) solid var(--border-color);
    min-width: 0;
}

.draft-type-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-ink);
    min-width: 0;
    overflow: hidden;
}

.draft-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.draft-icon svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.draft-label {
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--text-xs);
    color: var(--color-ink-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Target ID indicator (for edit operations) */
.draft-target-id {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--color-paper);
    border: var(--border-width) solid var(--color-operation);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-operation);
    cursor: help;
    margin-left: auto;
    margin-right: var(--space-2);
}

.draft-target-id:hover {
    background: var(--color-operation-bg);
}

.draft-status-badge {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-weight: var(--weight-medium);
}

.draft-status-badge.status-pending {
    background: var(--color-target-bg);
    color: var(--color-target);
}

.draft-status-badge.status-edited {
    background: var(--color-operation-bg);
    color: var(--color-operation);
}

.draft-status-badge.status-saved {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.draft-status-badge.status-discarded {
    background: var(--color-paper-cool);
    color: var(--color-ink-lighter);
}

/* ============================================
   DRAFT BODY
   ============================================ */

.draft-body {
    padding: var(--space-4);
    min-width: 0;
    overflow: hidden;
}

.draft-field {
    margin-bottom: var(--space-3);
}

.draft-field:last-child {
    margin-bottom: 0;
}

.draft-field label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-ink-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-1);
}

.draft-value {
    font-size: var(--text-base);
    color: var(--color-ink);
    line-height: var(--leading-normal);
    word-break: break-word;
    overflow-wrap: anywhere;
}

.draft-field-primary .draft-value {
    font-size: var(--text-lg);
    font-weight: var(--weight-medium);
}

.draft-title {
    font-weight: var(--weight-semibold);
}

/* ============================================
   SCHEMA DATA PREVIEW
   ============================================ */

.schema-data-preview {
    background: var(--color-paper-cool);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    font-size: var(--text-sm);
}

.schema-data-item {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
}

.schema-data-item:last-child {
    margin-bottom: 0;
}

.data-key {
    font-weight: var(--weight-medium);
    color: var(--color-ink-light);
    flex-shrink: 0;
}

.data-value {
    color: var(--color-ink);
    word-break: break-word;
}

.empty-data,
.empty-content,
.empty-filter {
    color: var(--color-ink-lighter);
    font-style: italic;
}

/* ============================================
   CONTENT PREVIEW
   ============================================ */

.content-preview {
    background: var(--color-paper-cool);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    font-size: var(--text-sm);
    max-height: 800px;
    overflow-y: auto;
}

.markdown-preview {
    line-height: var(--leading-relaxed);
    color: var(--color-ink);
}

/* ============================================
   TAGS
   ============================================ */

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

.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    background: var(--color-paper-cool);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--color-ink-light);
    font-weight: var(--weight-medium);
}

.tag-chip.small {
    padding: 2px var(--space-1);
    font-size: 10px;
}

.tag-preview {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-paper-cool);
    border-radius: var(--radius-md);
}

.tag-color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.tag-name {
    font-weight: var(--weight-medium);
}

/* ============================================
   SCHEMA FIELDS LIST
   ============================================ */

.schema-fields-list {
    background: var(--color-paper-cool);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.schema-field-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-bottom: var(--border-width) solid var(--border-color);
    font-size: var(--text-sm);
}

.schema-field-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
}

.field-options {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1);
    margin-top: var(--space-1);
}

.options-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-ink-lighter);
}

.option-chip {
    font-size: 10px;
    padding: 1px 6px;
    background: var(--color-paper);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--color-ink-light);
}

.schema-field-item:last-child {
    border-bottom: none;
}

.field-name {
    font-weight: var(--weight-medium);
    color: var(--color-ink);
}

.field-type {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    padding: 1px var(--space-1);
    background: var(--color-paper);
    border-radius: var(--radius-sm);
}

.field-required {
    font-size: var(--text-xs);
    color: var(--color-error);
    font-weight: var(--weight-medium);
}

.field-desc {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    margin-left: auto;
    max-width: 200px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

/* ============================================
   FILTER CRITERIA PREVIEW
   ============================================ */

.filter-criteria-preview {
    background: var(--color-paper-cool);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    font-size: var(--text-sm);
}

.filter-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
}

.filter-item:last-child {
    margin-bottom: 0;
}

.filter-key {
    font-weight: var(--weight-medium);
    color: var(--color-ink-light);
}

.filter-value {
    color: var(--color-ink);
}

.card-count-preview {
    padding: var(--space-3);
    background: var(--color-target-bg);
    border-radius: var(--radius-md);
    text-align: center;
}

.count-number {
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    color: var(--color-target);
}

.count-loading {
    color: var(--color-ink-lighter);
    font-style: italic;
}

/* ============================================
   DRAFT ACTIONS
   ============================================ */

.draft-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-paper-warm);
    border-top: var(--border-width) solid var(--border-color);
}

.draft-action {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--color-paper);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-ink);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.draft-action:hover {
    border-color: var(--border-color-strong);
    background: var(--color-paper-cool);
}

.draft-action.action-primary {
    background: var(--color-ink);
    color: var(--color-paper);
    border-color: var(--color-ink);
}

.draft-action.action-primary:hover {
    background: var(--color-ink-light);
    border-color: var(--color-ink-light);
}

.draft-action.action-secondary {
    background: var(--color-paper);
    color: var(--color-ink-light);
}

.draft-action.action-secondary:hover {
    color: var(--color-ink);
}

.draft-action.action-danger {
    color: var(--color-error);
    border-color: var(--color-error-bg);
}

.draft-action.action-danger:hover {
    background: var(--color-error-bg);
}

.action-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-icon svg {
    width: 14px;
    height: 14px;
    stroke-width: 2.5;
}

/* ============================================
   DRAFT RESULT (After save/discard)
   ============================================ */

.draft-result {
    padding: var(--space-3) var(--space-4);
    background: var(--color-paper-warm);
    border-top: var(--border-width) solid var(--border-color);
    text-align: center;
    font-size: var(--text-sm);
}

.result-saved {
    color: var(--color-success);
    font-weight: var(--weight-medium);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.result-saved svg {
    width: 14px;
    height: 14px;
    stroke-width: 3;
}

.result-discarded {
    color: var(--color-ink-lighter);
}

/* ============================================
   JSON PREVIEW (Generic)
   ============================================ */

.json-preview {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    background: var(--color-paper-cool);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

/* ============================================
   CHAT TOGGLE BUTTON (in input area)
   ============================================ */

.chat-toggle-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    background: var(--color-paper);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-ink-light);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-toggle-btn:hover {
    border-color: var(--border-color-strong);
    color: var(--color-ink);
}

.chat-toggle-btn.active {
    background: var(--color-ink);
    color: var(--color-paper);
    border-color: var(--color-ink);
}

.chat-toggle-btn .notification-dot {
    width: 8px;
    height: 8px;
    background: var(--color-error);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   ERROR SEGMENT
   ============================================ */

.response-error {
    background: var(--color-error-bg);
    border: var(--border-width) solid var(--color-error);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    margin: var(--space-3) 0;
}

.response-error-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: var(--weight-medium);
    color: var(--color-error);
    margin-bottom: var(--space-2);
}

.response-error-content {
    font-size: var(--text-sm);
    color: var(--color-ink-light);
}

/* Enhanced detailed error display */
.response-error-detailed {
    display: flex;
    flex-direction: column;
    background: var(--color-paper);
    border-left-width: 4px;
    border-left-color: var(--color-error);
    padding: 0;
    box-shadow: var(--shadow-md);
}

.error-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-error-bg);
    border-bottom: var(--border-width) solid var(--color-error);
}

.error-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.error-icon svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.error-title {
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: var(--color-error);
}

.error-body {
    padding: var(--space-4);
}

.error-explanation {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-ink);
    margin-bottom: var(--space-4);
    padding: var(--space-3);
    background: var(--color-paper-warm);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-error);
}

.error-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    padding: var(--space-3);
    background: var(--color-paper-cool);
    border-radius: var(--radius-md);
}

.error-detail-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.error-detail-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-ink-lighter);
}

.error-detail-value {
    font-size: var(--text-sm);
    color: var(--color-ink);
    line-height: var(--leading-normal);
}

.error-detail-value code {
    background: var(--color-paper);
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-ink-light);
    border: var(--border-width) solid var(--border-color);
}

.error-expected-field {
    padding: var(--space-1) 0;
    font-size: var(--text-sm);
    color: var(--color-ink-light);
}

.error-expected-field code {
    background: var(--color-paper);
    padding: 2px var(--space-1);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.error-suggestion {
    padding: var(--space-4);
    background: var(--color-target-bg);
    border: var(--border-width) solid var(--color-target);
    border-radius: var(--radius-md);
}

.error-suggestion-label {
    display: flex;
    align-items: center;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-target);
    margin-bottom: var(--space-2);
}

.error-suggestion-text {
    font-size: var(--text-base);
    font-style: italic;
    color: var(--color-ink);
    padding: var(--space-3);
    background: var(--color-paper);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    line-height: var(--leading-relaxed);
    border-left: 3px solid var(--color-target);
}

.error-suggestion-send-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-target);
    color: var(--color-paper);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.error-suggestion-send-btn:hover {
    background: var(--color-ink);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.error-suggestion-send-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   CHAT EMPTY STATE
   ============================================ */

.chat-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    text-align: center;
    color: var(--color-ink-lighter);
}

.chat-empty-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.chat-empty-icon svg {
    width: 48px;
    height: 48px;
    stroke-width: 1.5;
}

.chat-empty-title {
    font-size: var(--text-lg);
    font-weight: var(--weight-medium);
    color: var(--color-ink-light);
    margin-bottom: var(--space-2);
}

.chat-empty-text {
    font-size: var(--text-sm);
    max-width: 320px;
    line-height: var(--leading-relaxed);
}

.chat-empty-text code {
    background: var(--color-paper-cool);
    padding: 2px var(--space-1);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.chat-empty-hint {
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--color-paper-warm);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--color-ink-light);
}

/* ============================================
   CHAT LOADING STATE
   ============================================ */

.chat-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    text-align: center;
    color: var(--color-ink-lighter);
    gap: var(--space-3);
}

/* ============================================
   PENDING BADGE
   ============================================ */

.pending-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 var(--space-1);
    background: var(--color-error);
    color: var(--color-paper);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: var(--weight-semibold);
}

/* ============================================
   RESPONSE TEXT
   ============================================ */

.response-text {
    margin-bottom: var(--space-3);
}

.response-text:last-child {
    margin-bottom: 0;
}

.response-text code {
    background: var(--color-paper-cool);
    padding: 2px var(--space-1);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

/* ============================================
   DRAFT EDIT MODE
   ============================================ */

.draft-entity.is-editing {
    border-color: var(--color-operation);
    box-shadow: 0 0 0 2px var(--color-operation-bg);
}

.draft-entity.is-editing .draft-header {
    background: var(--color-operation-bg);
    border-color: var(--color-operation);
}

.draft-status-badge.status-editing {
    background: var(--color-operation-bg);
    color: var(--color-operation);
}

.draft-edit-body {
    background: var(--color-paper-cool);
}

.draft-input {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: var(--color-paper);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--color-ink);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.draft-input:focus {
    outline: none;
    border-color: var(--color-operation);
    box-shadow: 0 0 0 2px var(--color-operation-bg);
}

.draft-input::placeholder {
    color: var(--color-ink-lighter);
}

.draft-textarea {
    width: 100%;
    padding: var(--space-3);
    background: var(--color-paper);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-family: inherit;
    color: var(--color-ink);
    line-height: var(--leading-relaxed);
    resize: vertical;
    min-height: 120px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.draft-textarea:focus {
    outline: none;
    border-color: var(--color-operation);
    box-shadow: 0 0 0 2px var(--color-operation-bg);
}

.draft-textarea::placeholder {
    color: var(--color-ink-lighter);
}

.draft-json-input {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.draft-color-input {
    width: 48px;
    height: 36px;
    padding: var(--space-1);
    background: var(--color-paper);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.draft-color-input::-webkit-color-swatch-wrapper {
    padding: 0;
}

.draft-color-input::-webkit-color-swatch {
    border: none;
    border-radius: var(--radius-sm);
}

/* Schema data edit fields */
.schema-data-edit {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.schema-data-item-edit {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.schema-data-item-edit label {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-ink-light);
}

.draft-schema-input {
    font-size: var(--text-sm);
}

/* Edit mode actions */
.draft-entity.is-editing .draft-actions {
    background: var(--color-operation-bg);
}

/* ============================================
   COLLAPSED DRAFT VIEW (Query Result Cards)
   ============================================ */

.draft-entity.draft-collapsed {
    border-radius: var(--radius-md);
    margin: var(--space-2) 0;
    overflow: hidden;
}

.draft-collapsed-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-paper-warm);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 0;
}

.draft-collapsed-header:hover {
    background: var(--color-paper-cool);
}

.draft-collapsed-title {
    font-weight: var(--weight-semibold);
    font-size: var(--text-sm);
    color: var(--color-ink);
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.draft-collapsed-preview {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-left: auto;
    max-width: 40%;
}

.draft-expand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-ink-lighter);
    transition: transform var(--transition-fast);
}

.draft-expand-icon svg {
    width: 16px;
    height: 16px;
}

/* Expanded state */
.draft-entity.draft-collapsed.expanded .draft-expand-icon {
    transform: rotate(180deg);
}

/* Hidden body by default */
.draft-collapsed-body {
    display: none;
    padding: var(--space-3);
    background: var(--color-paper);
    border-top: var(--border-width) solid var(--border-color);
}

.draft-entity.draft-collapsed.expanded .draft-collapsed-body {
    display: block;
}

/* Smaller action buttons for collapsed view */
.draft-action.action-small {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
}

.draft-action.action-small .action-icon svg {
    width: 12px;
    height: 12px;
}

/* ============================================
   CARD REFERENCE CHIPS
   Inline clickable references to library cards
   ============================================ */

.card-ref-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--color-agent-bg);
    border: var(--border-width) solid var(--color-agent);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-agent);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    vertical-align: middle;
    margin: 0 var(--space-1);
}

.card-ref-chip:hover {
    background: var(--color-agent);
    color: var(--color-paper);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.card-ref-chip:active {
    transform: translateY(0);
    box-shadow: none;
}

.card-ref-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-ref-icon svg {
    width: 14px;
    height: 14px;
    stroke-width: 2;
}

.card-ref-title {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Error state for missing cards */
.card-ref-chip.card-ref-error {
    background: var(--color-error-bg);
    border-color: var(--color-error);
    color: var(--color-error);
    cursor: help;
    opacity: 0.8;
}

.card-ref-chip.card-ref-error:hover {
    background: var(--color-error-bg);
    color: var(--color-error);
    transform: none;
    box-shadow: none;
}

/* Schema-specific variants (optional) */
.card-ref-chip[data-schema-type="schema"] {
    background: var(--color-query-bg);
    border-color: var(--color-query);
    color: var(--color-query);
}

.card-ref-chip[data-schema-type="schema"]:hover {
    background: var(--color-query);
    color: var(--color-paper);
}

.card-ref-chip[data-schema-type="collection"] {
    background: var(--color-cleanup-bg);
    border-color: var(--color-cleanup);
    color: var(--color-cleanup);
}

.card-ref-chip[data-schema-type="collection"]:hover {
    background: var(--color-cleanup);
    color: var(--color-paper);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* ==========================================================================
   Batch Warning Banner
   ========================================================================== */

.batch-warning-banner {
    margin-top: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: color-mix(in srgb, var(--color-operation-bg) 80%, transparent);
    border: 1px solid var(--color-operation);
    border-radius: var(--radius-md);
}

.batch-warning-content {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.batch-warning-icon {
    font-size: 1rem;
}

.batch-warning-text {
    flex: 1;
    min-width: 200px;
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
}

.batch-warning-action {
    padding: var(--space-1) var(--space-3);
    background: var(--color-operation);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.batch-warning-action:hover {
    background: var(--color-ink);
}

/* Batch Limit Choice UI (interactive decision prompt) */
.batch-limit-choice {
    background: var(--color-paper-warm);
    border: var(--border-width) solid var(--color-cleanup);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-top: var(--space-3);
}

.batch-limit-info {
    margin-bottom: var(--space-3);
}

.batch-limit-info strong {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-cleanup);
    margin-bottom: var(--space-2);
}

.batch-limit-info p {
    font-size: var(--text-sm);
    color: var(--color-ink);
    margin: 0;
    line-height: var(--leading-normal);
}

.batch-limit-info .batch-limit-detail {
    color: var(--color-ink-lighter);
    font-size: var(--text-xs);
    margin-top: var(--space-1);
}

.batch-limit-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-3);
}

.batch-choice-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    border: var(--border-width) solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.batch-choice-btn.refine {
    background: var(--color-target-bg);
    color: var(--color-target);
    border-color: var(--color-target);
}

.batch-choice-btn.refine:hover {
    background: var(--color-target);
    color: var(--color-paper);
}

.batch-choice-btn.continue {
    background: var(--color-cleanup-bg);
    color: var(--color-cleanup);
    border-color: var(--color-cleanup);
}

.batch-choice-btn.continue:hover {
    background: var(--color-cleanup);
    color: var(--color-ink);
}

.batch-choice-btn.cancel {
    background: transparent;
    color: var(--color-ink-light);
    border-color: var(--color-ink-lighter);
}

.batch-choice-btn.cancel:hover {
    background: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error);
}

.batch-limit-tip {
    font-size: var(--text-xs);
    color: var(--color-ink-lighter);
    margin: 0;
}

.batch-limit-tip a {
    color: var(--color-target);
    text-decoration: underline;
    cursor: pointer;
}

.batch-limit-tip a:hover {
    color: var(--color-ink);
}

@media (max-width: 640px) {
    .chat-overlay {
        max-height: 90vh;
    }
    
    .draft-entity {
        margin: var(--space-2) 1px;
        border-radius: var(--radius-md);
        width: calc(100% - 2px) !important;
        border-left-width: 3px;
    }

    .draft-header {
        padding: var(--space-2) var(--space-2);
        gap: var(--space-1);
    }

    .draft-body {
        padding: var(--space-2);
    }

    .draft-actions {
        flex-direction: column;
        padding: var(--space-3);
        gap: var(--space-2);
    }
    
    .draft-action {
        width: 100%;
        justify-content: center;
        padding: var(--space-3); /* Larger touch target */
    }
    
    .convo-node-user-content {
        max-width: 92%;
        padding: var(--space-2) var(--space-3);
    }
    
    .schema-field-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
        padding: var(--space-2);
    }
    
    .field-desc {
        width: 100%;
        max-width: none;
        margin-left: 0;
        margin-top: 0;
        white-space: normal;
        overflow: visible;
    }

    .field-name {
        word-break: break-all;
    }

    .draft-field-primary .draft-value {
        font-size: var(--text-base);
    }
}