/* ═══════════════════════════════════════════════
   SCREEN: LIBRARY
   ═══════════════════════════════════════════════ */

.library-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  padding-bottom: calc(var(--safe-bottom) + var(--space-2xl));
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.library-upload-section {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.upload-zone {
  width: 100%;
  padding: var(--space-xl);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
}

.upload-zone.compact {
  padding: var(--space-md);
  border-radius: var(--radius-md);
}

.upload-zone.dragover {
  border-color: var(--accent-1);
  background: rgba(245, 158, 11, 0.08);
  transform: scale(1.02);
  box-shadow: var(--shadow-glow);
}

.upload-zone:hover {
  border-color: var(--accent-1);
  background: rgba(245, 158, 11, 0.04);
}

.upload-label {
  font-size: 0.88rem;
  color: var(--text-primary);
  text-align: center;
}

/* ─── Review Banner ───────────────────────────────────────────────────────── */
.review-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  margin: 0 auto var(--space-md);
  max-width: 600px;
  width: 100%;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(251,191,36,0.08), rgba(245,158,11,0.05));
  border: 1px solid rgba(251, 191, 36, 0.3);
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.06);
  animation: banner-glow 3s ease-in-out infinite;
}

@keyframes banner-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(251,191,36,0.06); }
  50%       { box-shadow: 0 0 28px rgba(251,191,36,0.16); }
}

.review-banner.hidden {
  display: none;
}

.review-banner-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
}

.review-banner-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.review-banner-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fbbf24;
  white-space: nowrap;
}

.review-banner-sub {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-top: 1px;
}

.btn-review-start {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  color: #080c0c;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: none;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  box-shadow: 0 2px 8px rgba(245,158,11,0.3);
}

.btn-review-start:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(245,158,11,0.45);
}

.btn-review-start:active {
  transform: translateY(0);
}


.library-section {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.section-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  border-left: 3px solid var(--accent-1);
  padding-left: var(--space-sm);
}

/* Documents Grid */
.docs-grid {
  content-visibility: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* --- NVIDIA STYLE DOC ITEMS --- */
.doc-item {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all 0.25s var(--ease-premium);
  position: relative;
  gap: 16px;
}

.doc-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(circle at top left, rgba(20, 184, 166, 0.04), transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}

.doc-item:has(.kebab-menu-btn.active) {
  z-index: 100;
}

.doc-item:hover {
  border-color: rgba(20, 184, 166, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255,255,255,0.05);
  background: var(--bg-card-elevated);
}

.sortable-drag {
  opacity: 1 !important;
  background: var(--bg-card-elevated) !important;
  border-color: var(--accent-1) !important;
  box-shadow: 0 20px 40px rgba(0,0,0,0.6), 0 0 0 2px var(--accent-1) !important;
  transform: scale(0.9) rotate(-2deg);
  border-radius: 24px !important;
  z-index: 1000 !important;
  cursor: grabbing !important;
}

/* Hide extra text to make the drag bubble compact */
.sortable-drag .doc-item-desc,
.sortable-drag .doc-item-meta,
.sortable-drag .public-badge,
.sortable-drag .doc-item-footer,
.sortable-drag .doc-item-actions {
  display: none !important;
}

.sortable-ghost {
  opacity: 0.4;
  background: var(--bg-surface) !important;
  border: 2px dashed var(--border-active) !important;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.1);
  transform: scale(0.98);
}

.doc-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.doc-item-header-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
}

.doc-item-header-brand svg {
  color: var(--accent-1);
}

.doc-item-header-badge {
  background: rgba(20, 184, 166, 0.1);
  color: var(--accent-teal);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.7rem;
  border: 1px solid rgba(20, 184, 166, 0.2);
}

.doc-item-info {
  flex: 1;
  width: 100%;
  cursor: pointer;
  z-index: 1;
}

.doc-item-title {
  font-size: 1.15rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.3;
}

.doc-item-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.doc-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 16px;
  margin-top: 4px;
  z-index: 1;
}

.doc-item-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.doc-tag {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.doc-tag.highlight {
  color: var(--text-primary);
  border-color: var(--accent-teal-dim);
  background: rgba(20, 184, 166, 0.1);
}

.doc-tags-more {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.doc-tag-plus {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 4px 8px;
  border-radius: 100px;
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: all 0.2s;
  font-weight: 500;
}

.doc-tag-plus:hover,
.doc-tag-plus:focus {
  background: rgba(255,255,255,0.05);
  color: #fff;
  outline: none;
  border-color: var(--border-active);
}

.doc-tags-overlay {
  position: absolute;
  bottom: 100%;
  left: 0;
  margin-bottom: 8px;
  background: var(--bg-card-elevated);
  border: 1px solid var(--border-subtle);
  padding: 12px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 140px;
  box-shadow: 0 10px 40px rgba(0,0,0,1);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: all 0.2s var(--ease-premium);
}

.doc-tags-more:hover .doc-tags-overlay,
.doc-tags-more:focus-within .doc-tags-overlay {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.doc-item-time {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.doc-item-actions {
  display: flex;
  align-items: center;
}

/* Kebab Menu */
.kebab-menu {
  position: relative;
}

.kebab-menu-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
  font-size: 1.2rem;
}

.kebab-menu-btn:hover, .kebab-menu-btn.active {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.kebab-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--bg-card-elevated);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 150px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 4px;
  transform-origin: top right;
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateY(0);
  filter: blur(0);
  will-change: opacity, transform, filter;
  transition: opacity 0.24s var(--ease-premium),
              transform 0.24s var(--ease-premium),
              filter 0.24s var(--ease-premium),
              visibility 0s;
}

.kebab-menu-dropdown.hidden {
  display: flex !important;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.92) translateY(-10px);
  filter: blur(5px);
  pointer-events: none;
  transition: opacity 0.18s var(--ease-out),
              transform 0.18s var(--ease-out),
              filter 0.18s var(--ease-out),
              visibility 0s 0.18s;
}

.kebab-menu-dropdown.dropdown-closing {
  visibility: visible;
  opacity: 0;
  transform: scale(0.94) translateY(-6px);
  filter: blur(4px);
  pointer-events: none;
}

.kebab-menu-dropdown .menu-item {
  background: transparent;
  border: none;
  padding: 10px 12px;
  text-align: left;
  font-size: 0.9rem;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast), color var(--duration-fast), transform var(--duration-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.kebab-menu-dropdown .menu-item:hover {
  background: var(--bg-hover);
  transform: translateX(2px);
}

.kebab-menu-dropdown .menu-item.text-danger {
  color: var(--color-hard);
}

.kebab-menu-dropdown .menu-item.text-danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.btn-danger-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-hard);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
}

.btn-danger-icon:hover {
  background: var(--color-hard);
  color: white;
}

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

/* Prompts Grid */
.prompts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

@media (min-width: 500px) {
  .prompts-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.prompt-item-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  height: 120px;
}

.prompt-item-card:hover {
  border-color: var(--border-active);
}

.prompt-item-title {
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.prompt-item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-sm);
}

.prompt-item-date {
  font-size: 0.7rem;
  color: var(--text-tertiary);
}

.prompt-item-btn {
  background: none;
  border: none;
  color: var(--text-accent);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.prompt-item-btn:hover {
  text-decoration: underline;
}


/* ═══════════════════════════════════════════════
   DASHBOARD / LANDING PAGE RE-DESIGN
   ═══════════════════════════════════════════════ */

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  padding-top: calc(var(--safe-top) + var(--space-lg));
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  z-index: 10;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
}

.dashboard-header.scrolled {
  background: rgba(12, 18, 18, 0.85); /* Darker tint like NVIDIA */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dashboard-greeting {
  display: flex;
  flex-direction: column;
}

.greeting-sub {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: 2px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.greeting-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: 0;
}

.dashboard-widgets-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.dashboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) ease;
  pointer-events: none;
}

.dashboard-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-active);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

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

.dashboard-quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.widget-upload, .widget-action {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
}

.widget-upload {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(20, 184, 166, 0.05) 100%);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.widget-upload:hover {
  border-color: var(--accent-1);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(20, 184, 166, 0.08) 100%);
  box-shadow: var(--shadow-glow);
}

.widget-icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
}

.widget-info h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.widget-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.dashboard-docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

/* Overrides removed as base .doc-item is now fully styled */
.dashboard-prompts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

.dashboard-footer-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  max-width: 800px;
  margin: var(--space-2xl) auto 0;
}

.widget-info-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  text-decoration: none;
}

.widget-info-icon {
  font-size: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.widget-info-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.widget-info-content p {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.accent-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Redesigned Empty State */
.dashboard-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px dashed var(--border-subtle);
  grid-column: 1 / -1;
}

.dashboard-empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.8;
}

.dashboard-empty-state h3 {
  font-size: 1.25rem;
  font-family: var(--font-display);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.dashboard-empty-state p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 280px;
}

/* =====================================================
   CREATE WITH AI BOTTOM SHEET & PROMPT LIBRARY STYLES
   ===================================================== */
.create-options-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.create-option-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.create-option-card:hover {
  background: var(--bg-card-elevated);
  border-color: var(--accent-1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.create-icon {
  font-size: 2rem;
  background: var(--bg-surface);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.create-option-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.create-option-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Prompt Library Categories */
.pb-categories::-webkit-scrollbar {
  display: none;
}
.pb-categories .pb-chip {
  -webkit-appearance: none;
  appearance: none;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration-fast);
}

.pb-categories .pb-chip:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.pb-categories .pb-chip.active {
  background: var(--accent-1) !important;
  color: #000 !important;
  border-color: var(--accent-1) !important;
  font-weight: 600;
}

/* ==========================================================================
   ANALYTICS SCREEN
   ========================================================================== */

.analytics-container {
  padding-bottom: var(--space-4xl);
}

.analytics-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 600px) {
  .analytics-stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: statCardIn 520ms var(--ease-premium) both;
}

.analytics-stats-grid .stat-card:nth-child(1) { animation-delay: 40ms; }
.analytics-stats-grid .stat-card:nth-child(2) { animation-delay: 90ms; }
.analytics-stats-grid .stat-card:nth-child(3) { animation-delay: 140ms; }
.analytics-stats-grid .stat-card:nth-child(4) { animation-delay: 190ms; }

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-xs);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.analytics-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  animation: analyticsCardIn 560ms var(--ease-premium) both;
}

.analytics-container .analytics-card:nth-of-type(1) { animation-delay: 170ms; }
.analytics-container .analytics-card:nth-of-type(2) { animation-delay: 230ms; }
.analytics-container .analytics-card:nth-of-type(3) { animation-delay: 290ms; }
.analytics-container .analytics-card:nth-of-type(4) { animation-delay: 350ms; }

.analytics-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.heatmap-grid {
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  grid-template-columns: repeat(13, 1fr); /* Default 13 weeks (approx 90 days) */
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 8px; /* for scrollbar */
}

.heatmap-cell {
  background-color: var(--bg-surface);
  border-radius: 2px;
  aspect-ratio: 1;
  min-width: 12px; /* ensure they don't get too small */
  transition: transform var(--duration-fast), box-shadow var(--duration-fast), background-color var(--duration-normal);
}

.heatmap-cell:hover {
  transform: scale(1.35);
  box-shadow: 0 0 14px rgba(20, 184, 166, 0.25);
}

/* Heatmap colors based on amberxteal brand */
.heatmap-cell[data-level="0"] { background-color: var(--bg-surface); }
/* Let's use a scale of the teal accent */
.heatmap-cell[data-level="1"] { background-color: rgba(20, 184, 166, 0.2); }
.heatmap-cell[data-level="2"] { background-color: rgba(20, 184, 166, 0.4); }
.heatmap-cell[data-level="3"] { background-color: rgba(20, 184, 166, 0.7); }
.heatmap-cell[data-level="4"] { background-color: var(--accent-2); } /* Full teal */

.session-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  animation: listItemFloatIn 420ms var(--ease-premium) both;
}

.docs-grid .doc-item,
.dashboard-docs-grid .doc-item,
.prompt-item-card {
  animation: listItemFloatIn 460ms var(--ease-premium) both;
}

.docs-grid .doc-item:nth-child(1),
.dashboard-docs-grid .doc-item:nth-child(1),
.prompt-item-card:nth-child(1) { animation-delay: 35ms; }
.docs-grid .doc-item:nth-child(2),
.dashboard-docs-grid .doc-item:nth-child(2),
.prompt-item-card:nth-child(2) { animation-delay: 75ms; }
.docs-grid .doc-item:nth-child(3),
.dashboard-docs-grid .doc-item:nth-child(3),
.prompt-item-card:nth-child(3) { animation-delay: 115ms; }
.docs-grid .doc-item:nth-child(4),
.dashboard-docs-grid .doc-item:nth-child(4),
.prompt-item-card:nth-child(4) { animation-delay: 155ms; }
.docs-grid .doc-item:nth-child(n+5),
.dashboard-docs-grid .doc-item:nth-child(n+5),
.prompt-item-card:nth-child(n+5) { animation-delay: 190ms; }

@keyframes statCardIn {
  from { opacity: 0; transform: translateY(18px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes analyticsCardIn {
  from { opacity: 0; transform: translateY(22px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes listItemFloatIn {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.session-item-date {
  font-weight: 600;
  color: var(--text-primary);
}

.session-item-stats {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* =========================================
   ACHIEVEMENTS / BADGES
========================================= */

.badge-unlock-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(5, 11, 11, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.badge-unlock-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.badge-unlock-content {
  background: var(--bg-card);
  border: 1px solid var(--accent-1);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  max-width: 320px;
  width: 90%;
  box-shadow: 0 0 40px rgba(245, 158, 11, 0.2);
  transform: scale(1);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.badge-unlock-overlay.hidden .badge-unlock-content {
  transform: scale(0.8);
}

.unlock-badge-icon {
  font-size: 5rem;
  margin-bottom: var(--space-md);
  animation: badge-pop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  display: inline-block;
  text-shadow: 0 0 30px rgba(245, 158, 11, 0.6);
}

@keyframes badge-pop {
  0% { transform: scale(0) rotate(-15deg); opacity: 0; }
  60% { transform: scale(1.2) rotate(10deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

.badge-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.2s;
}

.badge-card:not(.locked):hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--accent-1);
}

.badge-card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.badge-card.locked {
  filter: grayscale(1) opacity(0.4);
}

.badge-card-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.badge-card-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* ===== FOCUS MODE ===== */
body.focus-mode #screen-study .app-header {
  display: none !important;
}
body.focus-mode #screen-study .card-progress-bar {
  display: none !important;
}
body.focus-mode .fab {
  display: none !important;
}
body.focus-mode #screen-study {
  padding-top: var(--space-2xl);
}
body.focus-mode #btn-exit-focus {
  display: flex !important;
}