/* ============================================================
   Dashboard CSS
   ============================================================ */

.dashboard-layout {
  display: flex;
  min-height: 100vh;
  padding-top: var(--navbar-height);
}

/* ---- Dashboard Sidebar ---- */
.dash-sidebar {
  width: 240px;
  position: fixed;
  top: var(--navbar-height);
  bottom: 0;
  left: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  padding: var(--space-4);
  overflow-y: auto;
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.dash-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.dash-nav-item:hover {
  background: var(--bg-surface-2);
  color: var(--text-primary);
}

.dash-nav-item.active {
  background: rgba(108,99,255,0.1);
  color: var(--brand-primary);
}

.dash-nav-item svg { flex-shrink: 0; }
.dash-nav-sep { height: 1px; background: var(--border-subtle); margin: var(--space-2) 0; }

.dash-sidebar-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: var(--space-2) var(--space-3);
}

/* ---- Dashboard Main ---- */
.dash-main {
  margin-left: 240px;
  flex: 1;
  min-width: 0;
  padding: var(--space-8);
}

/* ---- Dashboard Header ---- */
.dash-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.dash-page-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.dash-page-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---- Stats Bar ---- */
.dash-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.dash-stat-card {
  padding: var(--space-5);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.dash-stat-card:hover {
  border-color: var(--border-brand);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.dash-stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}

.dash-stat-num {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dash-stat-change {
  font-size: 0.75rem;
  color: var(--brand-success);
  font-weight: 600;
  margin-top: var(--space-1);
}

/* ---- Projects Grid ---- */
.dash-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.dash-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* ---- Search / Filter Bar ---- */
.dash-filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.dash-search {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.dash-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.dash-search input {
  width: 100%;
  padding: var(--space-2) var(--space-3) var(--space-2) 36px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: all var(--transition-fast);
}

.dash-search input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
}

.dash-filter-chips {
  display: flex;
  gap: var(--space-2);
}

.filter-chip {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover, .filter-chip.active {
  background: rgba(108,99,255,0.1);
  color: var(--brand-primary);
  border-color: rgba(108,99,255,0.3);
}

/* ---- Project Cards Grid ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
}

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

/* Create New Card */
.project-card.create-new {
  border-style: dashed;
  border-color: var(--border-default);
  align-items: center;
  justify-content: center;
  min-height: 200px;
  gap: var(--space-3);
  padding: var(--space-8);
  text-align: center;
}

.project-card.create-new:hover {
  border-color: var(--brand-primary);
  background: rgba(108,99,255,0.04);
}

.create-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.create-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.create-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Project Card Preview */
.pc-preview {
  height: 120px;
  background: var(--bg-surface-2);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pc-preview-inner {
  width: 80%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pc-preview-line {
  height: 4px;
  border-radius: 2px;
  background: var(--border-strong);
}

.pc-subject-badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(108,99,255,0.15);
  color: var(--brand-primary);
}

.pc-body {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.pc-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pc-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.75rem;
  color: var(--text-muted);
}

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

.pc-action-btn {
  flex: 1;
  padding: 6px;
  border-radius: var(--radius-sm);
  background: none;
  border: 1px solid var(--border-default);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.pc-action-btn:hover { background: var(--bg-surface-2); color: var(--text-primary); }
.pc-action-btn.primary-action { color: var(--brand-primary); border-color: rgba(108,99,255,0.3); }
.pc-action-btn.primary-action:hover { background: rgba(108,99,255,0.08); }

/* ---- Empty State ---- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-20) var(--space-8);
  text-align: center;
  gap: var(--space-4);
}

.empty-icon {
  font-size: 4rem;
  opacity: 0.5;
}

.empty-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.empty-sub {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 320px;
}

/* ---- Responsive Dashboard ---- */
@media (max-width: 1024px) {
  .dash-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .dash-sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  .dash-sidebar.open { transform: translateX(0); }
  .dash-main { margin-left: 0; padding: var(--space-4); }
  .dash-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .dash-stats { grid-template-columns: 1fr 1fr; }
}

/* ---- Settings Page ---- */
.settings-layout {
  display: flex;
  min-height: calc(100vh - var(--navbar-height));
  padding-top: var(--navbar-height);
}

.settings-sidebar {
  width: 220px;
  position: sticky;
  top: var(--navbar-height);
  align-self: flex-start;
  padding: var(--space-6) var(--space-4);
  border-right: 1px solid var(--border-subtle);
  min-height: calc(100vh - var(--navbar-height));
}

.settings-main {
  flex: 1;
  padding: var(--space-8);
  max-width: 680px;
}

.settings-section {
  margin-bottom: var(--space-10);
}

.settings-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-subtle);
  gap: var(--space-4);
}

.settings-row:last-child { border-bottom: none; }

.settings-row-label { font-size: 0.9rem; font-weight: 600; }
.settings-row-desc { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* Toggle */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border-strong);
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--transition-base);
}

.toggle-slider::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  transition: transform var(--transition-spring);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle input:checked + .toggle-slider { background: var(--brand-primary); }
.toggle input:checked + .toggle-slider::after { transform: translateX(20px); }

/* ---- Print Styles ---- */
@media print {
  .navbar, .editor-sidebar, .editor-topbar, .format-toolbar,
  .preview-header, .mobile-bottom-nav, .suggestions-panel,
  .editor-status-bar, .dash-sidebar, .toast-container,
  .cmd-palette-overlay { display: none !important; }

  body { background: white !important; }
  .editor-split { grid-template-columns: 1fr !important; }
  .text-editor-panel { display: none !important; }
  .preview-panel { display: flex !important; position: static !important; }
  .a4-page {
    box-shadow: none !important;
    border-radius: 0 !important;
    page-break-after: always;
    break-after: page;
  }
}