/**
 * App Layout Styles - Premium Terminal Experience
 * Complements design-system.css with app-specific layouts
 */

/* ============================================
   APP STRUCTURE
   ============================================ */

#main-app {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */

.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-content {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: 0 var(--space-6);
  height: var(--size-header);
  max-width: 1600px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.brand-icon svg {
  width: 20px;
  height: 20px;
}

.brand-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

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

/* ============================================
   VIEW CONTAINERS
   ============================================ */

.view-container {
  flex: 1;
  overflow-y: auto;
  background: var(--color-background);
}

.view-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-8);
}

/* ============================================
   PROJECTS GRID
   ============================================ */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-600), var(--color-primary-500));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover {
  border-color: var(--color-primary-500);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card-header {
  display: flex;
  align-items: start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.project-icon {
  width: 40px;
  height: 40px;
  background: var(--color-surface-elevated);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-500);
  flex-shrink: 0;
}

.project-info {
  flex: 1;
  min-width: 0;
}

.project-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-path {
  font-size: var(--font-size-xs);
  font-family: var(--font-family-mono);
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-stats {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.project-stat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.project-stat .icon {
  color: var(--color-text-muted);
}

.project-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

/* ============================================
   TERMINAL VIEW
   ============================================ */

.terminal-view {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  z-index: 9999 !important;
  background: var(--terminal-bg);
  display: flex;
  flex-direction: column;
}

.terminal-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.terminal-container {
  flex: 1;
  background: var(--terminal-bg);
  padding: var(--space-4);
  overflow: hidden;
}

#terminal {
  height: 100%;
  width: 100%;
}

.terminal-toolbar {
  background: var(--color-surface-elevated);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  display: flex;
  gap: var(--space-2);
  align-items: center;
  overflow-x: auto;
  flex-shrink: 0;
}

.toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 var(--space-1);
}

/* ============================================
   AI OFFICE / CUBICLES
   ============================================ */

.ai-office-container {
  position: fixed;
  inset: 0;
  top: var(--size-header);
  background: var(--color-background);
  z-index: 50;
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.ai-office-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  position: sticky;
  top: 0;
  z-index: 10;
}

.cubicles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-4);
  padding: var(--space-4);
}

/* Limit to max 3 columns on large screens */
@media (min-width: 1400px) {
  .cubicles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) and (max-width: 1399px) {
  .cubicles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Single column mode - full width */
.cubicles-grid.single-column {
  grid-template-columns: 1fr !important;
}

/* Column count overrides */
.cubicles-grid.cols-1 {
  grid-template-columns: 1fr !important;
}

.cubicles-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr) !important;
}

.cubicles-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr) !important;
}

.cubicles-grid.cols-4 {
  grid-template-columns: repeat(4, 1fr) !important;
}

.cubicle-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 400px;
}

.cubicle-header {
  background: var(--color-surface-elevated);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cubicle-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-mono);
  color: var(--color-text-primary);
}

.cubicle-terminal {
  flex: 1;
  background: var(--terminal-bg);
}

/* Cubicle button container - ensure buttons wrap on desktop and mobile */
.bg-gray-900.border-b .flex.items-center[class*="gap-"] {
  flex-wrap: wrap;
  max-width: 350px; /* Force 2-row layout: ~3 buttons per row */
}

.bg-gray-900.border-b .flex.items-center[class*="gap-"] button {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  /* Override parent layout on mobile */
  .bg-gray-900.border-b .flex.items-center.justify-between {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: var(--space-3);
  }

  /* Make cubicle buttons flow in rows on mobile */
  .bg-gray-900.border-b .flex.items-center[class*="gap-"] {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    gap: 0.5rem !important;
    width: 100%;
  }

  .bg-gray-900.border-b .flex.items-center[class*="gap-"] button {
    flex: 0 0 auto !important;
    min-width: 44px !important;
    min-height: 44px !important;
    padding: 0.5rem !important;
  }

  /* Divider visibility on mobile - keep visible for clarity */
  .bg-gray-900.border-b .flex.items-center[class*="gap-"] .w-px {
    height: 1rem;
  }
}

/* ============================================
   LOADING STATES
   ============================================ */

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-surface-700);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

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

/* ============================================
   EMPTY STATES
   ============================================ */

.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  color: var(--color-text-muted);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

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

@media (max-width: 768px) {
  .header-content {
    padding: 0 var(--space-4);
    gap: var(--space-3);
  }

  .brand-name {
    font-size: var(--font-size-base);
  }

  /* Hide project name in header on mobile - takes too much space */
  #current-project-name {
    display: none !important;
  }

  .nav-tabs {
    flex: 1;
    overflow-x: auto;
  }

  .nav-tab span:last-child {
    display: none;
  }

  /* Make command palette button more prominent on mobile */
  .header-actions .btn-ghost.btn-icon {
    min-width: 44px;
    min-height: 44px;
    position: relative;
  }

  /* Add visual indicator for command palette on mobile */
  .header-actions .btn-ghost.btn-icon[title*="Command Palette"]::after {
    content: '⌘';
    position: absolute;
    bottom: 2px;
    right: 2px;
    font-size: 10px;
    color: var(--color-primary-400);
    opacity: 0.8;
  }

  .view-content {
    padding: var(--space-4);
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .cubicles-grid {
    grid-template-columns: 1fr !important;
    gap: var(--space-3);
    padding: var(--space-3);
  }

  /* Hide column selector on mobile - always single column */
  #cubicle-columns-selector {
    display: none !important;
  }

  .terminal-toolbar {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Fix cubicle overflow at very small widths */
@media (max-width: 450px) {
  .cubicles-grid {
    padding: var(--space-2) !important;
    gap: var(--space-2) !important;
  }
}

/* Ultra-compact mobile layout for very small screens */
@media (max-width: 468px) {
  .header-content {
    padding: 0 var(--space-2);
    gap: var(--space-2);
  }

  /* Hide brand name and current project name on very small screens */
  .brand-name,
  #current-project-name {
    display: none !important;
  }

  /* Hide nav tabs on very small screens */
  .nav-tabs {
    display: none !important;
  }

  /* Keep only brand icon and header actions (command palette + settings) */
  .brand-icon {
    width: 28px;
    height: 28px;
  }

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

  /* Ensure header actions are visible and properly spaced */
  .header-actions {
    display: flex !important;
    gap: var(--space-1);
  }

  /* Make action buttons slightly smaller on ultra-small screens */
  .header-actions .btn-ghost.btn-icon {
    min-width: 40px;
    min-height: 40px;
  }
}

/* ============================================
   UTILITIES
   ============================================ */

.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   GLASS CARD EFFECT
   ============================================ */

.card-glass {
  background: rgba(15, 20, 25, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-xl);
  padding: var(--space-8);
}

/* ============================================
   FOCUS STATES
   ============================================ */

*:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

button:focus-visible {
  outline-offset: 0;
}