/* 
 * Multi-Window Grid System
 * Desktop workspace with resizable panels
 * Mobile fallback to single-mode view
 */

/* ==========================================
   Multi-Window Grid Container
   ========================================== */

   .mode-content {
    height: 100%;
   }

.mode-window-actions {
  display: flex;
  gap: 1rem;
}

.mode-windows-grid {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  grid-auto-flow: column;
  /* Use fixed height and prevent anything inside from ever expanding it */
  height: 100vh; 
  overflow: auto;
  box-sizing: border-box;
  /* Critical for grid items to respect container height */
  grid-template-rows: minmax(0, 1fr); 
}

/* Desktop layouts - Dynamic equal width distribution */
@media (min-width: 768px) {
  /* .mode-windows-grid {
    grid-auto-columns: 1fr;
    grid-auto-flow: column;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  } */
  
  /* When 4 windows are open, use a 2x2 grid for better use of space */
  /* .mode-windows-grid.windows-4 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    grid-auto-flow: row;
  } */
}

/* Mobile: Single mode (no window wrapper) */
@media (max-width: 767px) {
  .mode-windows-grid.single-mode {
    padding: 0;
    height: calc(100vh - 60px);
  }
}

/* ==========================================
   Mode Window Container
   ========================================== */

.mode-window-container {
  display: flex;
  /* Enforce item constraint */
  height: 100%;
  min-height: 0;
  max-height: 100%;
  min-width: 800px;
  flex-direction: column;
  background: var(--color-paper);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base);
}

.mode-window-container:hover {
  box-shadow: var(--shadow-lg);
}

/* ==========================================
   Window Header
   ========================================== */

.mode-window-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);
  flex-shrink: 0;
}

.mode-window-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-ink);
}

.mode-window-title-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-light);
  flex-shrink: 0;
}

.mode-window-title-icon svg {
  width: 16px;
  height: 16px;
}

.mode-window-title-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.mode-window-close-btn:hover {
  color: var(--color-ink);
  background: var(--color-paper-cool);
}

.mode-window-close-btn svg {
  width: 16px;
  height: 16px;
}

/* ==========================================
   Window Content
   ========================================== */

.mode-window-content {
  flex: 1;
  overflow: hidden; /* Prevent overflow escaping this flex item */
  display: flex;
  flex-direction: column;
  min-height: 0; /* Required for proper flex overflow */
}

/* Smooth scrolling */
.mode-window-content {
  scroll-behavior: smooth;
}

/* Custom scrollbar styling (webkit browsers) */
.mode-window-content::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.mode-window-content::-webkit-scrollbar-track {
  background: var(--color-paper-cool);
}

.mode-window-content::-webkit-scrollbar-thumb {
  background: var(--color-ink-lighter);
  border-radius: var(--radius-full);
}

.mode-window-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-ink-light);
}

/* ==========================================
   Mode-Specific Window Styling
   ========================================== */

/* Explore Mode Window */
.mode-window-container[data-mode="explore"] .mode-window-header {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), var(--color-paper-warm));
}

.mode-window-container[data-mode="explore"] .mode-window-title-icon {
  color: var(--color-target);
}

/* Library Mode Window */
.mode-window-container[data-mode="library"] .mode-window-header {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), var(--color-paper-warm));
}

.mode-window-container[data-mode="library"] .mode-window-title-icon {
  color: var(--color-query);
}

/* Convo Mode Window */
.mode-window-container[data-mode="convo"] .mode-window-header {
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.05), var(--color-paper-warm));
}

.mode-window-container[data-mode="convo"] .mode-window-title-icon {
  color: var(--color-operation);
}

/* Manage Mode Window */
.mode-window-container[data-mode="manage"] .mode-window-header {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), var(--color-paper-warm));
}

.mode-window-container[data-mode="manage"] .mode-window-title-icon {
  color: var(--color-cleanup);
}

/* ==========================================
   Responsive Adjustments
   ========================================== */

@media (max-width: 1200px) {
  .mode-windows-grid.windows-3 {
    min-width: 800px;
  }
  
  /* .mode-windows-grid.windows-3 > :last-child {
    grid-column: span 2;
  } */
}

@media (max-width: 768px) {
  .mode-windows-grid {
    padding: 0;
    gap: 0;
    height: calc(100vh - 60px);
    grid-template-columns: 1fr;
    grid-auto-flow: row;
    overflow-y: auto;
  }
  
  .mode-window-container {
    border-radius: 0;
    border: none;
    border-bottom: var(--border-width) solid var(--border-color);
    box-shadow: none;
    height: auto;
    min-height: 400px;
  }
  
  .mode-window-header {
    padding: var(--space-2) var(--space-3);
  }
}

/* ==========================================
   Loading State
   ========================================== */

.mode-window-container.loading {
  opacity: 0.7;
  pointer-events: none;
}

.mode-window-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  color: var(--color-ink-lighter);
  font-size: var(--text-sm);
}

.mode-window-loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================
   Empty Window State
   ========================================== */

.mode-window-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  text-align: center;
  height: 100%;
  min-height: 200px;
}

.mode-window-empty-icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
  opacity: 0.5;
  color: var(--color-ink-lighter);
}

.mode-window-empty-title {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.mode-window-empty-desc {
  font-size: var(--text-sm);
  color: var(--color-ink-light);
  max-width: 300px;
}

/* ==========================================
   Window Focus State
   ========================================== */

/* .mode-window-container:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
  z-index: 10; 
} */

/* When a window is focused, make others slightly more translucent to highlight it */
/* .mode-windows-grid:has(.mode-window-container:focus-within) .mode-window-container:not(:focus-within) {
  opacity: 0.85;
  filter: grayscale(0.2);
} */

/* ==========================================
   Transition Animations
   ========================================== */

.mode-window-container {
  animation: window-fade-in var(--transition-slow) ease;
}

@keyframes window-fade-in {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ==========================================
   Print Styles
   ========================================== */

@media print {
  .mode-window-header {
    display: none;
  }
  
  .mode-window-container {
    border: none;
    box-shadow: none;
    page-break-inside: avoid;
  }
}