/* ========================================
   Materia — CSS
   Glassmorphism UI with dark/light themes
   ======================================== */

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* --- Theme Variables (Dark = default) --- */
:root,
[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a26;
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --bg-glass-active: rgba(255, 255, 255, 0.12);
  --text-primary: #e8e8ed;
  --text-secondary: #9898a6;
  --text-muted: #5a5a6e;
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-strong: rgba(255, 255, 255, 0.15);
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-muted: rgba(99, 102, 241, 0.15);
  --danger: #ef4444;
  --danger-muted: rgba(239, 68, 68, 0.15);
  --success: #22c55e;
  --warning: #eab308;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --blur: 20px;
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
  --transition: 200ms ease;
  /* Focus mode overrides */
  --focus-bg: #111116;
  --focus-text: #d4d4dc;
  /* Card overlay */
  --card-overlay: rgba(10, 10, 15, 0.72);
  --card-overlay-border: rgba(255, 255, 255, 0.1);
  /* Status colors */
  --status-unread: #3b82f6;
  --status-reading: #eab308;
  --status-read: #22c55e;
  --status-archived: #6b7280;
  --status-plan-to-watch: #3b82f6;
  --status-plan-to-read: #3b82f6;
  --status-watching: #eab308;
  --status-completed: #22c55e;
  --status-on-hold: #f97316;
  --status-dropped: #ef4444;
  /* Type colors */
  --type-web: #6366f1;
  --type-pdf: #ef4444;
  --type-youtube: #f43f5e;
  --type-arxiv: #f97316;
  --type-github: #a78bfa;
  --type-anime: #06b6d4;
  --type-manga: #ec4899;
  --type-movie: #f59e0b;
  --type-series: #10b981;
  --type-art: #a855f7;
  --type-reddit: #ff4500;
}

[data-theme="light"] {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eaeaef;
  --bg-glass: rgba(255, 255, 255, 0.6);
  --bg-glass-hover: rgba(255, 255, 255, 0.8);
  --bg-glass-active: rgba(255, 255, 255, 0.9);
  --text-primary: #1a1a2e;
  --text-secondary: #5a5a72;
  --text-muted: #9898a8;
  --border-glass: rgba(0, 0, 0, 0.08);
  --border-glass-strong: rgba(0, 0, 0, 0.15);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --focus-bg: #ffffff;
  --focus-text: #2a2a3e;
  --card-overlay: rgba(255, 255, 255, 0.78);
  --card-overlay-border: rgba(0, 0, 0, 0.08);
}

html {
  font-size: 15px;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  background-image:
    radial-gradient(
      ellipse at 20% 50%,
      rgba(99, 102, 241, 0.04) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 20%,
      rgba(139, 92, 246, 0.03) 0%,
      transparent 40%
    );
  color: var(--text-primary);
  display: grid;
  grid-template-columns: 260px 1fr;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  transition: background var(--transition);
}

/* --- Ambient Background Orbs --- */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  will-change: transform;
}

/* Orb 1 — Indigo, largest, slow figure-8 */
.bg-orb-1 {
  width: 65vw;
  height: 65vw;
  background: radial-gradient(circle, #6366f1 0%, rgba(99, 102, 241, 0.5) 35%, transparent 70%);
  opacity: 0.65;
  top: -15%;
  left: -20%;
  filter: blur(35px);
  animation: orb-drift-1 40s ease-in-out infinite;
}

/* Orb 2 — Purple, medium, circular orbit */
.bg-orb-2 {
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, #8b5cf6 0%, rgba(139, 92, 246, 0.45) 35%, transparent 70%);
  opacity: 0.55;
  bottom: -20%;
  right: -15%;
  filter: blur(40px);
  animation: orb-drift-2 35s ease-in-out infinite;
}

/* Orb 3 — Teal, smallest, diagonal drift */
.bg-orb-3 {
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, #06b6d4 0%, rgba(6, 182, 212, 0.4) 35%, transparent 70%);
  opacity: 0.45;
  top: 40%;
  left: 35%;
  filter: blur(45px);
  animation: orb-drift-3 50s ease-in-out infinite;
}

@keyframes orb-drift-1 {
  0%   { transform: translate(0, 0) scale(1); }
  25%  { transform: translate(25vw, 18vh) scale(1.08); }
  50%  { transform: translate(12vw, 40vh) scale(0.93); }
  75%  { transform: translate(-8vw, 22vh) scale(1.04); }
  100% { transform: translate(0, 0) scale(1); }
}

@keyframes orb-drift-2 {
  0%   { transform: translate(0, 0) scale(1); }
  25%  { transform: translate(-18vw, -12vh) scale(1.06); }
  50%  { transform: translate(-30vw, -28vh) scale(0.94); }
  75%  { transform: translate(-12vw, -18vh) scale(1.07); }
  100% { transform: translate(0, 0) scale(1); }
}

@keyframes orb-drift-3 {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(-25vw, -18vh) scale(1.1); }
  66%  { transform: translate(18vw, 12vh) scale(0.9); }
  100% { transform: translate(0, 0) scale(1); }
}

/* Light theme: tone down orb opacity */
[data-theme="light"] .bg-orb-1 { opacity: 0.25; }
[data-theme="light"] .bg-orb-2 { opacity: 0.20; }
[data-theme="light"] .bg-orb-3 { opacity: 0.15; }


/* --- Sidebar Backdrop (mobile scrim) --- */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 29;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
  -webkit-tap-highlight-color: transparent;
}
.sidebar-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

/* --- Sidebar --- */
#sidebar {
  background: var(--bg-glass);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
  transition:
    transform var(--transition),
    width var(--transition);
  z-index: 20;
}

.sidebar-header {
  padding: 20px 16px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  cursor: pointer;
  user-select: none;
}

.sidebar-nav {
  padding: 0 8px 8px;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

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

.nav-item.active {
  background: var(--accent-muted);
  color: var(--accent-hover);
}

.nav-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}
.nav-label {
  flex: 1;
}
.nav-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-glass);
  padding: 1px 7px;
  border-radius: 99px;
}

.sidebar-section {
  flex: 1;
  padding: 0 8px;
  overflow-y: auto;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.group-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 7px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.group-item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}
.group-item.active {
  background: var(--accent-muted);
  color: var(--accent-hover);
}

.group-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.group-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.group-count {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.group-item-actions {
  display: none;
  gap: 2px;
}

.group-item:hover .group-item-actions {
  display: flex;
}
.group-item:hover .group-count {
  display: none;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-glass);
}

.health-info {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* --- Main Area --- */
#main {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

/* --- Toolbar --- */
#toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--border-glass);
  flex-shrink: 0;
  flex-wrap: wrap;
  position: relative;
  z-index: 10;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.toolbar-center {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 200px;
}
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  pointer-events: none;
}

#search-input {
  width: 220px;
  padding: 7px 12px 7px 32px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  outline: none;
  transition: all var(--transition);
}

#search-input:focus {
  border-color: var(--accent);
  background: var(--bg-glass-hover);
  width: 280px;
}

.search-hint {
  position: absolute;
  right: 8px;
  font-size: 0.65rem;
  color: var(--text-muted);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 3px;
  padding: 1px 5px;
  font-family: var(--font-sans);
  pointer-events: none;
}

.add-url-box {
  display: flex;
  gap: 8px;
  max-width: 500px;
  width: 100%;
}

#url-input {
  flex: 1;
  padding: 7px 14px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
}

#url-input:focus {
  border-color: var(--accent);
}

.toolbar-select {
  padding: 6px 10px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-family: var(--font-sans);
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236b7280'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 24px;
}

.toolbar-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #818cf8 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, #a5b4fc 100%);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}

.btn-ghost {
  background: var(--bg-glass);
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}

.btn-ghost:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.btn-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.btn-success:hover {
  background: var(--success);
  color: #fff;
}

.btn-accent {
  background: var(--accent-muted);
  color: var(--accent);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.btn-accent:hover {
  background: var(--accent);
  color: #fff;
}

.btn-danger {
  background: var(--danger-muted);
  color: var(--danger);
  border: 1px solid transparent;
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition);
}

.icon-btn:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

/* --- Lucide Icon Sizes --- */
.icon-xs {
  width: 12px;
  height: 12px;
}
.icon-sm {
  width: 16px;
  height: 16px;
}
.icon-md {
  width: 20px;
  height: 20px;
}
.icon-lg {
  width: 24px;
  height: 24px;
}

/* --- Card Grid --- */
#card-grid {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, 270px);
  justify-content: center;
  gap: 16px;
  align-content: start;
}

.card {
  width: 270px;
  height: 224px;
  background: var(--bg-glass);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  flex-direction: column;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.12),
    0 0 0 0.5px rgba(255, 255, 255, 0.04) inset;
}

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

.card-enter {
  animation: cardIn 300ms ease both;
}

.card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glass-strong);
  transform: translateY(-3px) scale(1.008);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.25),
    0 0 0 0.5px rgba(255, 255, 255, 0.08) inset;
}

.card:active {
  transform: translateY(-1px) scale(0.99);
  transition-duration: 80ms;
}

.card-cover {
  width: 100%;
  height: 270px !important;
  aspect-ratio: unset !important;
  overflow: hidden;
  position: relative;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-cover::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, var(--bg-secondary) 0%, transparent 100%);
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.card:hover .card-cover img {
  transform: scale(1.04);
}

.card-cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  opacity: 0.15;
  color: var(--text-secondary);
}
.card-cover-placeholder svg {
  width: 48px;
  height: 48px;
}

.card-processing {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.5s infinite;
}

.card-progress-bar {
  position: relative;
  width: 100%;
  height: 3px;
  margin: 6px 0;
  background: var(--border-glass);
  overflow: hidden;
  z-index: 3;
}
.card-progress-bar::after {
  content: "";
  display: block;
  height: 100%;
  width: 40%;
  background: var(--accent);
  animation: cardProgressSlide 1.2s ease-in-out infinite;
}
@keyframes cardProgressSlide {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(350%);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

.card-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

/* --- Card with cover image: glass overlay body --- */
.card-has-cover .card-cover {
  height: 270px !important;
  aspect-ratio: unset;
}

.card-has-cover .card-body {
  margin-top: -64px;
  position: relative;
  z-index: 2;
  flex: none;
  background: var(--card-overlay);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--card-overlay-border);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: 12px 14px;
}

.card-has-cover .card-title {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-primary);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
  overflow: hidden;
}

.type-badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 99px;
  white-space: nowrap;
}

.type-badge[data-type="web"] {
  background: rgba(99, 102, 241, 0.15);
  color: var(--type-web);
}
.type-badge[data-type="pdf"] {
  background: rgba(239, 68, 68, 0.15);
  color: var(--type-pdf);
}
.type-badge[data-type="youtube"] {
  background: rgba(244, 63, 94, 0.15);
  color: var(--type-youtube);
}
.type-badge[data-type="arxiv"] {
  background: rgba(249, 115, 22, 0.15);
  color: var(--type-arxiv);
}
.type-badge[data-type="github"] {
  background: rgba(167, 139, 250, 0.15);
  color: var(--type-github);
}
.type-badge[data-type="anime"] {
  background: rgba(6, 182, 212, 0.15);
  color: var(--type-anime);
}
.type-badge[data-type="manga"] {
  background: rgba(236, 72, 153, 0.15);
  color: var(--type-manga);
}
.type-badge[data-type="movie"] {
  background: rgba(245, 158, 11, 0.15);
  color: var(--type-movie);
}
.type-badge[data-type="series"] {
  background: rgba(16, 185, 129, 0.15);
  color: var(--type-series);
}
.type-badge[data-type="art"] {
  background: rgba(168, 85, 247, 0.15);
  color: var(--type-art);
}
.type-badge[data-type="reddit"] {
  background: rgba(255, 69, 0, 0.15);
  color: var(--type-reddit);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot[data-status="unread"] {
  background: var(--status-unread);
}
.status-dot[data-status="reading"] {
  background: var(--status-reading);
}
.status-dot[data-status="read"] {
  background: var(--status-read);
}
.status-dot[data-status="archived"] {
  background: var(--status-archived);
}
.status-dot[data-status="plan_to_watch"] {
  background: var(--status-plan-to-watch);
}
.status-dot[data-status="plan_to_read"] {
  background: var(--status-plan-to-read);
}
.status-dot[data-status="watching"] {
  background: var(--status-watching);
}
.status-dot[data-status="completed"] {
  background: var(--status-completed);
}
.status-dot[data-status="on_hold"] {
  background: var(--status-on-hold);
}
.status-dot[data-status="dropped"] {
  background: var(--status-dropped);
}

svg.spinning {
  animation: spin 1s linear infinite;
}

.card-fav {
  font-size: 0.9rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
  transition: color var(--transition);
}

.card-fav.active {
  color: var(--warning);
}
.card-fav.active svg {
  fill: var(--warning);
}
.card-fav:hover {
  color: var(--warning);
}

.card-date {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* --- Failed Card State --- */
.card-failed {
  border: 1px solid rgba(239, 68, 68, 0.25);
  opacity: 0.85;
}
.card-failed:hover {
  opacity: 1;
  border-color: rgba(239, 68, 68, 0.4);
}

.card-cover-failed {
  background: linear-gradient(
    135deg,
    rgba(239, 68, 68, 0.08) 0%,
    rgba(239, 68, 68, 0.15) 100%
  );
}

.card-failed-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.card-failed-overlay svg {
  width: 36px;
  height: 36px;
  color: var(--danger);
  opacity: 0.5;
}

.card-error-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  margin-top: 4px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.card-error-msg {
  flex: 1;
  font-size: 0.65rem;
  color: var(--danger);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-retry-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: none;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  cursor: pointer;
  transition: all 180ms ease;
}
.card-retry-btn:hover {
  background: rgba(239, 68, 68, 0.25);
  transform: scale(1.1);
}
.card-retry-btn svg {
  width: 14px;
  height: 14px;
}
.card-retry-btn.spinning svg {
  animation: retrySpinAnim 0.8s linear infinite;
}
@keyframes retrySpinAnim {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* --- Status Badge --- */
.status-badge {
  font-size: 0.65rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 99px;
}

.status-badge[data-status="pending"],
.status-badge[data-status="processing"] {
  background: var(--accent-muted);
  color: var(--accent);
}

.status-badge[data-status="ready"] {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.status-badge[data-status="partial"] {
  background: rgba(234, 179, 8, 0.15);
  color: var(--warning);
}

.status-badge[data-status="failed"] {
  background: var(--danger-muted);
  color: var(--danger);
}

/* --- Empty State --- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 40px;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.5;
}
.empty-state h2 {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.empty-state p {
  font-size: 0.9rem;
}

.load-more-container {
  padding: 20px;
  text-align: center;
  flex-shrink: 0;
}

/* --- Detail Panel --- */
.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  justify-content: flex-end;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.detail-panel {
  width: min(720px, 100vw);
  height: 100vh;
  height: 100dvh;
  background: var(--focus-bg);
  border-left: 1px solid var(--border-glass);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  animation: slideIn 250ms ease;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

.detail-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border-glass);
  flex-shrink: 0;
  position: relative;
}

.detail-close-btn {
  position: absolute;
  top: 12px;
  right: 16px;
  z-index: 2;
}

.detail-title-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-right: 40px;
}

.detail-title-row h2 {
  flex: 1;
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.3;
  border-radius: var(--radius-sm);
  transition: background 150ms ease;
}

.detail-title-row h2:hover {
  background: var(--glass-bg-hover);
}

.detail-title-input {
  width: 100%;
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.3;
  background: var(--glass-bg);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 2px 6px;
  outline: none;
  font-family: inherit;
}

.fav-btn {
  font-size: 1.3rem;
}
.fav-btn.active {
  color: var(--warning);
}
.fav-btn.active svg {
  fill: var(--warning);
}

.detail-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.detail-url {
  font-size: 0.75rem;
  color: var(--accent);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 300px;
}

.detail-url:hover {
  text-decoration: underline;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.detail-tracking {
  display: flex;
  gap: 16px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-glass);
  align-items: flex-end;
}

.detail-progress-field {
  flex: 1;
}

.detail-section-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-progress-field input {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
}
.detail-progress-field input:focus {
  outline: none;
  border-color: var(--accent);
}

.detail-rating-field {
  flex-shrink: 0;
}

.rating-widget {
  display: flex;
  gap: 2px;
}

.rating-star {
  width: 26px;
  height: 26px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.rating-star:hover {
  background: rgba(var(--accent-rgb, 99, 102, 241), 0.15);
  color: var(--accent);
  border-color: var(--accent);
}

.rating-star.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.card-progress-text {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 4px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.detail-body {
  padding: 24px;
  flex: 1;
  overflow-y: auto;
}

/* Preview container */
.detail-preview-container {
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-glass);
}
.detail-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-glass);
}
.detail-preview-iframe {
  width: 100%;
  height: 500px;
  border: none;
  background: #0f0f11;
}

.detail-cover {
  position: relative;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.detail-cover img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}

.cover-actions {
  display: flex;
  gap: 8px;
  padding: 8px 0 0;
  justify-content: flex-end;
}
.cover-upload-btn {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.cover-file-input { display: none !important; }
.cover-upload-area {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border: 2px dashed var(--border-glass);
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  transition: border-color .2s, background .2s;
}
.cover-upload-area:hover {
  border-color: var(--accent);
}
.cover-remove-btn { color: var(--text-muted); }
.cover-remove-btn:hover { color: var(--danger, #ef4444); }

/* Drag-and-drop states */
.detail-cover.cover-dragover {
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
  opacity: 0.8;
}
.cover-upload-area.cover-dragover,
.detail-cover.cover-dragover .cover-upload-area {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb, 99,102,241), 0.08);
}

/* Replace confirmation overlay */
.cover-replace-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  z-index: 10;
}
.cover-replace-dialog {
  text-align: center;
  color: #fff;
}
.cover-replace-dialog p {
  margin: 0 0 12px;
  font-size: 0.9rem;
  font-weight: 500;
}
.cover-replace-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.cover-replace-confirm {
  background: var(--accent) !important;
  color: #fff !important;
}

.detail-metadata {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.meta-item {
  display: flex;
  gap: 6px;
}

.meta-label {
  color: var(--text-muted);
  font-weight: 500;
}

.detail-structured {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}

.detail-structured h4 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.detail-section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* --- Document Structure / Sections Outline --- */

.detail-sections-container {
  margin-bottom: 20px;
}

.detail-sections-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.detail-sections-header .detail-section-label {
  margin-bottom: 0;
}

.detail-sections-layout {
  display: flex;
  gap: 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 200px;
  max-height: 500px;
}

.sections-outline {
  width: 200px;
  min-width: 200px;
  border-right: 1px solid var(--border-glass);
  overflow-y: auto;
  padding: 8px 0;
  flex-shrink: 0;
}

.sections-outline-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.78rem;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
  border-left: 2px solid transparent;
}

.sections-outline-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sections-outline-item.active {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-left-color: var(--accent);
  font-weight: 600;
}

.sections-outline-item .section-type-badge {
  font-size: 0.6rem;
  padding: 1px 5px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.sections-outline-item .section-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Section type badge colors */
.section-type-badge.type-abstract { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.section-type-badge.type-introduction { background: rgba(34, 197, 94, 0.15); color: #4ade80; }
.section-type-badge.type-methodology { background: rgba(168, 85, 247, 0.15); color: #c084fc; }
.section-type-badge.type-results { background: rgba(249, 115, 22, 0.15); color: #fb923c; }
.section-type-badge.type-discussion { background: rgba(236, 72, 153, 0.15); color: #f472b6; }
.section-type-badge.type-conclusion { background: rgba(20, 184, 166, 0.15); color: #2dd4bf; }
.section-type-badge.type-references { background: rgba(107, 114, 128, 0.15); color: #9ca3af; }
.section-type-badge.type-chapter { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.section-type-badge.type-transcript_segment { background: rgba(234, 179, 8, 0.15); color: #facc15; }
.section-type-badge.type-comment { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.section-type-badge.type-description { background: rgba(107, 114, 128, 0.15); color: #9ca3af; }
.section-type-badge.type-code_block { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.section-type-badge.type-heading { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.section-type-badge.type-paragraph { background: rgba(107, 114, 128, 0.1); color: #9ca3af; }
.section-type-badge.type-metadata_block { background: rgba(107, 114, 128, 0.1); color: #9ca3af; }
.section-type-badge.type-figure_caption { background: rgba(244, 114, 182, 0.15); color: #f472b6; }
.section-type-badge.type-table { background: rgba(168, 85, 247, 0.15); color: #c084fc; }

/* Depth indentation for nested sections */
.sections-outline-item[data-depth="1"] { padding-left: 24px; }
.sections-outline-item[data-depth="2"] { padding-left: 36px; }
.sections-outline-item[data-depth="3"] { padding-left: 48px; }

/* Section content area */
.section-content-area {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.section-content-placeholder {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding-top: 60px;
}

.section-content-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.section-content-header h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.section-content-header .section-page-info {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.section-content-text {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

.section-content-entities {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-glass);
}

/* Entity tag pills */
.entity-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.65rem;
  padding: 2px 7px;
  border-radius: 99px;
  font-weight: 500;
  cursor: default;
}

/* Section questions */
.section-questions {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-glass);
}

.section-questions-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.section-questions ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.section-question-item {
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 4px 8px;
  background: rgba(99, 102, 241, 0.08);
  border-radius: 6px;
  border-left: 2px solid rgba(99, 102, 241, 0.4);
}

.entity-tag.entity-concept { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.entity-tag.entity-person { background: rgba(34, 197, 94, 0.15); color: #4ade80; }
.entity-tag.entity-organization { background: rgba(168, 85, 247, 0.15); color: #c084fc; }
.entity-tag.entity-date { background: rgba(249, 115, 22, 0.15); color: #fb923c; }
.entity-tag.entity-citation { background: rgba(107, 114, 128, 0.15); color: #9ca3af; }
.entity-tag.entity-technology { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.entity-tag.entity-location { background: rgba(239, 68, 68, 0.15); color: #f87171; }

.detail-groups {
  margin-bottom: 20px;
}

#detail-group-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.group-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 99px;
  background: var(--bg-glass-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}

.group-tag-remove {
  cursor: pointer;
  opacity: 0.5;
  font-size: 0.8rem;
}

.group-tag-remove:hover {
  opacity: 1;
}

.detail-notes {
  margin-bottom: 20px;
  transition: all 0.2s ease;
}

.detail-notes.has-content {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: var(--radius-md);
  padding: 12px 14px 8px;
}

.detail-notes.has-content .detail-section-label {
  color: var(--accent);
}

.detail-notes.has-content #detail-notes-input {
  background: color-mix(in srgb, var(--accent) 4%, var(--bg-glass));
  border-color: color-mix(in srgb, var(--accent) 15%, var(--border-glass));
}

.detail-notes-display {
  display: none;
  padding: 10px 2px 6px;
  cursor: text;
  line-height: 1.7;
}
.detail-notes-display p {
  margin: 0 0 0.5em;
  font-size: 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
}
.detail-notes-display p:last-child {
  margin-bottom: 0;
}
.detail-notes-display br {
  display: block;
  margin: 0.25em 0;
}

#detail-notes-input {
  width: 100%;
  min-height: 80px;
  padding: 10px 14px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  resize: vertical;
  outline: none;
  transition: border-color var(--transition);
}

#detail-notes-input:focus {
  border-color: var(--accent);
}

.detail-pages-nav {
  margin-bottom: 16px;
}

#detail-page-buttons {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.page-btn {
  padding: 4px 10px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
}

.page-btn:hover,
.page-btn.active {
  background: var(--accent-muted);
  color: var(--accent);
  border-color: var(--accent);
}

.detail-content {
  margin-top: 16px;
}

.detail-text {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--focus-text);
  white-space: pre-wrap;
  word-wrap: break-word;
  max-width: 65ch;
}

.detail-text mark {
  background: var(--accent-muted);
  color: var(--accent);
  padding: 1px 3px;
  border-radius: 2px;
}

/* --- Command Palette --- */
.command-palette {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 20vh;
}

.palette-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.palette-modal {
  position: relative;
  width: min(600px, 90vw);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: paletteIn 150ms ease;
}

@keyframes paletteIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(-8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

#palette-input {
  width: 100%;
  padding: 16px 20px;
  border: none;
  border-bottom: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-sans);
  outline: none;
}

.palette-results {
  max-height: 400px;
  overflow-y: auto;
}

.palette-result {
  padding: 10px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  transition: background var(--transition);
  border-bottom: 1px solid var(--border-glass);
}

.palette-result:hover,
.palette-result.active {
  background: var(--bg-glass-hover);
}

.palette-result-title {
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.palette-result-snippet {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.palette-result-snippet mark {
  background: var(--accent-muted);
  color: var(--accent);
  padding: 0 2px;
  border-radius: 2px;
}

.palette-hint {
  display: flex;
  gap: 16px;
  padding: 8px 20px;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-glass);
}

.palette-no-results {
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* --- Toast --- */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass-strong);
  color: var(--text-primary);
  font-size: 0.85rem;
  box-shadow: var(--shadow-md);
  animation:
    toastIn 200ms ease,
    toastOut 200ms ease 2.8s forwards;
  max-width: 360px;
}

.toast.toast-error {
  border-color: var(--danger);
  color: var(--danger);
}

.toast.toast-success {
  border-color: var(--success);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal {
  width: min(400px, 90vw);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.modal h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.modal input[type="text"] {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  outline: none;
  margin-bottom: 10px;
}

.modal input[type="text"]:focus {
  border-color: var(--accent);
}

.modal-colors {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.color-swatch:hover {
  transform: scale(1.15);
}
.color-swatch.active {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--bg-primary);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* --- Focus Mode (body class) --- */
body.focus-mode #sidebar {
  transform: translateX(-100%);
  width: 0;
  overflow: hidden;
  border: none;
}

body.focus-mode {
  grid-template-columns: 0 1fr;
}

/* --- Sidebar Collapsed (desktop) --- */
body.sidebar-collapsed {
  grid-template-columns: 0 1fr;
}

body.sidebar-collapsed #sidebar {
  transform: translateX(-100%);
  width: 0;
  overflow: hidden;
  border: none;
}

/* Show sidebar toggle on desktop when collapsed */
body.sidebar-collapsed #sidebar-toggle {
  display: inline-flex !important;
}

/* --- Card Group Tags --- */
.card-group-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  padding: 0;
}

.card-group-tag {
  font-size: 0.6rem;
  padding: 1px 7px;
  border-radius: 99px;
  color: #fff;
  opacity: 0.85;
  white-space: nowrap;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  body {
    grid-template-columns: 1fr;
  }

  /* Mobile orbs: fewer, smaller, softer */
  .bg-orb-3 {
    display: none;
  }
  .bg-orb-1 {
    width: 90vw;
    height: 90vw;
    filter: blur(30px);
    opacity: 0.45;
  }
  .bg-orb-2 {
    width: 80vw;
    height: 80vw;
    filter: blur(35px);
    opacity: 0.38;
  }

  /* --- Mobile Sidebar --- */
  #sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: min(280px, 85vw);
    transform: translateX(-100%);
    z-index: 30;
    box-shadow: var(--shadow-lg);
    /* Fully opaque background on mobile — glass is unreadable over main content */
    background: var(--bg-primary);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
    /* Safe area for notched phones */
    padding-left: env(safe-area-inset-left, 0px);
  }

  #sidebar.open {
    transform: translateX(0);
  }

  /* Larger touch targets on mobile for sidebar items */
  .nav-item {
    padding: 12px 14px;
    min-height: 44px;
    font-size: 0.95rem;
  }
  .group-item {
    padding: 10px 14px;
    min-height: 44px;
  }

  .mobile-only {
    display: inline-flex;
  }

  /* Mobile menu button — larger touch target */
  #sidebar-toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
  }

  /* --- Mobile Toolbar --- */
  #toolbar {
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 12px;
    padding-right: max(12px, env(safe-area-inset-right, 0px));
    padding-left: max(12px, env(safe-area-inset-left, 0px));
  }

  .toolbar-left {
    flex: 1;
    min-width: 0;
  }

  /* Search box: shrink on mobile */
  #search-input {
    width: 120px;
  }
  #search-input:focus {
    width: 160px;
  }
  .search-hint {
    display: none;
  }

  .toolbar-center {
    order: 3;
    min-width: 100%;
  }

  /* Toolbar right: horizontal scroll when buttons overflow */
  .toolbar-right {
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-shrink: 0;
    max-width: calc(100vw - 200px);
  }
  .toolbar-right::-webkit-scrollbar {
    display: none;
  }

  /* Compact selects on mobile */
  .toolbar-select {
    font-size: 0.7rem;
    padding: 5px 20px 5px 6px;
    max-width: 90px;
    min-width: 70px;
  }

  /* Hide text labels on mobile buttons, keep icons */
  .toolbar-right .btn-sm {
    font-size: 0;
    padding: 6px 8px;
    min-width: 36px;
    min-height: 36px;
    justify-content: center;
  }
  .toolbar-right .btn-sm .icon-sm {
    width: 16px;
    height: 16px;
  }

  /* Theme toggle — larger touch target */
  #theme-toggle {
    width: 40px;
    height: 40px;
  }

  .detail-panel {
    width: 100vw;
  }

  #card-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    justify-content: stretch;
  }

  .card {
    width: 100%;
  }

  .card-cover {
    height: 200px;
  }

  /* --- Mobile AI Chat --- */
  .ai-chat-panel {
    width: 100vw;
  }

  .ai-chat-header {
    flex-wrap: wrap;
    padding: 10px 12px;
    gap: 8px;
  }

  /* Scope controls: stack into a compact scrollable row below the title */
  .ai-chat-scope {
    order: 10;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
    gap: 6px;
  }
  .ai-chat-scope::-webkit-scrollbar {
    display: none;
  }

  .ai-chat-scope .toolbar-select {
    font-size: 0.7rem;
    padding: 4px 18px 4px 6px;
    min-width: 0;
    flex-shrink: 0;
  }

  /* Compact temp slider on mobile */
  .temp-slider-wrap {
    flex-shrink: 0;
  }
  #ai-chat-temp {
    width: 50px;
  }

  /* Hide sessions sidebar on mobile entirely — too narrow */
  .ai-chat-sessions-sidebar {
    display: none;
  }

  /* Messages area: ensure it fills available space */
  .ai-chat-messages {
    padding: 12px;
    gap: 10px;
  }

  /* Input row: compact padding */
  .ai-chat-input-row {
    padding: 10px 12px;
    padding-bottom: max(10px, env(safe-area-inset-bottom, 0px));
  }

  /* --- Mobile Selection Bar --- */
  .selection-bar {
    left: 8px;
    right: 8px;
    bottom: 12px;
    transform: none;
    padding: 10px 12px;
    flex-wrap: wrap;
    gap: 6px;
    border-radius: var(--radius-md);
    padding-bottom: max(10px, env(safe-area-inset-bottom, 0px));
  }
  @keyframes selectionBarIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .selection-count {
    font-size: 0.8rem;
    min-width: auto;
  }
  .selection-divider {
    display: none;
  }
  .selection-bar .toolbar-select {
    min-width: 0;
    flex: 1;
    font-size: 0.75rem;
  }
  .selection-bar .btn-sm {
    font-size: 0;
    padding: 8px;
    min-width: 40px;
    min-height: 40px;
    justify-content: center;
  }
  .selection-bar .btn-sm .icon-sm {
    width: 16px;
    height: 16px;
  }
  /* Keep the "Select All" text visible */
  #selection-select-all {
    font-size: 0.75rem;
  }
}

@media (min-width: 769px) {
  .mobile-only {
    display: none;
  }
}

/* Sidebar-open on a narrow-ish desktop (e.g. 16" MBP at default scaling
   gives ~1728px viewport, leaving ~1468px for the toolbar after the 260px
   sidebar). Without these rules the Import button overlaps the first
   toolbar select. Collapsing the sidebar drops out of this range and the
   normal full-size layout returns. */
@media (min-width: 1201px) and (max-width: 1500px) {
  body:not(.sidebar-collapsed) #toolbar {
    gap: 6px;
    padding: 10px 14px;
  }
  body:not(.sidebar-collapsed) .toolbar-right {
    gap: 4px;
    flex-wrap: wrap;
  }
  body:not(.sidebar-collapsed) .toolbar-select {
    font-size: 0.72rem;
    padding: 5px 22px 5px 7px;
    max-width: 110px;
  }
  body:not(.sidebar-collapsed) .toolbar-right .btn-sm,
  body:not(.sidebar-collapsed) .export-dropdown .btn {
    font-size: 0.72rem;
    padding: 5px 8px;
  }
  body:not(.sidebar-collapsed) #search-input {
    width: 180px;
  }
  body:not(.sidebar-collapsed) #search-input:focus {
    width: 220px;
  }
  body:not(.sidebar-collapsed) .toolbar-center {
    min-width: 220px;
  }
}

/* Vertical monitor / narrow desktop (1080px width) */
@media (min-width: 769px) and (max-width: 1200px) {
  #toolbar {
    gap: 6px;
    padding: 10px 12px;
  }
  .toolbar-right {
    gap: 4px;
    flex-wrap: wrap;
  }
  .toolbar-select {
    font-size: 0.7rem;
    padding: 5px 8px;
    max-width: 100px;
  }
  .search-box {
    min-width: 160px;
  }
  .toolbar-center {
    min-width: 150px;
  }
  .btn-sm {
    font-size: 0.7rem;
    padding: 4px 8px;
  }
  .export-dropdown .btn {
    font-size: 0.7rem;
    padding: 4px 8px;
  }
  #card-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    justify-content: stretch;
    gap: 12px;
  }

  .card {
    width: 100%;
  }

  .card-cover {
    height: 220px;
  }
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  .bg-orb {
    animation: none !important;
  }
}

/* --- Scrollbar styling --- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-glass-strong);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- AI Detail Section --- */
.detail-ai {
  margin-bottom: 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 16px;
}

.detail-ai-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.detail-ai-header .detail-section-label {
  flex: 1;
  margin-bottom: 0;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.75rem;
}

.ai-summary {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.translation-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 6px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  font-size: 0.6rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-left: 6px;
  vertical-align: middle;
}
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.ai-summary .ai-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.ai-keywords {
  margin-bottom: 12px;
}

.ai-keywords .ai-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.ai-keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-keyword {
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 99px;
  background: var(--accent-muted);
  color: var(--accent);
  white-space: nowrap;
}

.ai-questions {
  margin-bottom: 12px;
}

.ai-questions .ai-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.ai-question-item {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 4px 0;
  line-height: 1.4;
}

.ai-question-item::before {
  content: "Q: ";
  color: var(--accent);
  font-weight: 600;
}

.ai-context {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  padding-top: 8px;
  border-top: 1px solid var(--border-glass);
}

/* Card AI keywords */
.card-ai-keywords {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  padding: 0 14px 10px;
}

.card-ai-keyword {
  font-size: 0.55rem;
  padding: 1px 6px;
  border-radius: 99px;
  background: var(--accent-muted);
  color: var(--accent);
  white-space: nowrap;
}

/* --- AI Chat View --- */
.ai-chat-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  justify-content: flex-end;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.ai-chat-panel {
  width: min(560px, 100vw);
  height: 100vh;
  height: 100dvh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  animation: slideIn 250ms ease;
}

.ai-chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-glass);
  flex-shrink: 0;
}

.ai-chat-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.ai-chat-scope {
  display: flex;
  gap: 8px;
  flex: 1;
  align-items: center;
  flex-wrap: wrap;
}

/* Temperature slider */
.temp-slider-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.temp-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  cursor: default;
}
.temp-label span {
  font-weight: 600;
  color: var(--text-primary);
  min-width: 2.2em;
  display: inline-block;
  text-align: center;
}
#ai-chat-temp {
  width: 80px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-glass);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
#ai-chat-temp::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
#ai-chat-temp::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ai-chat-welcome {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 40px;
}

.chat-msg {
  max-width: 90%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  line-height: 1.6;
}

.chat-msg-user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-msg-assistant {
  align-self: flex-start;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.chat-msg-assistant .chat-sources {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-glass);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.chat-source-link {
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
}

.chat-source-link:hover {
  text-decoration: underline;
}

/* Thinking animation (B1) */
.chat-msg-loading {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  border-bottom-left-radius: 4px;
}

.thinking-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  animation: thinkPulse 1.5s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes thinkPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
}

.thinking-dots {
  display: flex;
  gap: 4px;
}

.thinking-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: dotBounce 1.2s ease-in-out infinite;
}

.thinking-dots span:nth-child(2) {
  animation-delay: 0.2s;
}
.thinking-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes dotBounce {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  40% {
    transform: translateY(-6px);
    opacity: 1;
  }
}

.ai-chat-input-row {
  display: flex;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-glass);
  flex-shrink: 0;
}

#ai-chat-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  outline: none;
}

/* Voice button */
.voice-btn {
  font-size: 1.1rem;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 150ms;
  flex-shrink: 0;
  border: 1px solid var(--accent-muted);
  color: var(--accent);
}
.voice-btn:hover {
  background: var(--accent-muted);
  color: var(--accent-hover);
}
.voice-btn.recording {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  animation: voicePulse 1.2s ease-in-out infinite;
}
@keyframes voicePulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
  }
}
.voice-transcript {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 4px 0;
}
.chat-msg-audio {
  margin-top: 8px;
}
.chat-msg-audio audio {
  width: 100%;
  height: 32px;
  border-radius: var(--radius-sm);
}

#ai-chat-input:focus {
  border-color: var(--accent);
}

/* ── Voice Conversation Modal ────────── */
.voice-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  animation: fadeIn 200ms ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.voice-modal-inner {
  width: 420px;
  max-width: 95vw;
  max-height: 85vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.voice-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-glass);
}
.voice-modal-header h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}
.voice-modal-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}
.voice-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
  max-height: 400px;
}
.voice-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.5;
  animation: msgSlideIn 200ms ease;
}
@keyframes msgSlideIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.voice-msg-user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.voice-msg-assistant {
  align-self: flex-start;
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  border-bottom-left-radius: 4px;
}
.voice-msg-thinking {
  align-self: flex-start;
  color: var(--text-muted);
  font-style: italic;
  padding: 8px 14px;
  font-size: 0.8rem;
}
.voice-msg-sources {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.voice-msg-sources a {
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
}
.voice-msg-sources a:hover {
  text-decoration: underline;
}

.voice-status-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-top: 1px solid var(--border-glass);
  background: var(--bg-glass);
}
.voice-waveform {
  flex: 1;
  height: 48px;
  border-radius: var(--radius-sm);
}
.voice-state {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  white-space: nowrap;
}
.voice-state[data-state="listening"] {
  color: var(--accent);
}
.voice-state[data-state="thinking"] {
  color: var(--warning);
}
.voice-state[data-state="speaking"] {
  color: var(--success);
}

.voice-actions {
  display: flex;
  justify-content: center;
  padding: 18px;
}
.voice-mic-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--border-glass);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.voice-mic-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.05);
}
.voice-mic-btn.active {
  background: rgba(239, 68, 68, 0.15);
  border-color: #ef4444;
  color: #ef4444;
  animation: voicePulse 1.2s ease-in-out infinite;
}
.voice-mic-btn svg {
  width: 28px;
  height: 28px;
}

/* --- Global Processing Bar (B2) --- */
.global-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  z-index: 999;
  box-shadow: 0 0 12px var(--accent);
}

.global-progress-bar {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--accent),
    var(--accent-hover),
    var(--accent)
  );
  background-size: 200% 100%;
  animation: progressShimmer 1.5s ease-in-out infinite;
}

@keyframes progressShimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Card shimmer during processing (B2) */
.card-shimmer {
  position: relative;
  overflow: hidden;
}

.card-shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(99, 102, 241, 0.06) 50%,
    transparent 100%
  );
  animation: cardShimmer 2s infinite;
}

@keyframes cardShimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* --- Reasoning Viewer (B3) --- */
.chat-reasoning {
  margin-top: 10px;
  font-size: 0.75rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 8px;
}

.chat-reasoning summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 500;
  user-select: none;
}

.chat-reasoning summary:hover {
  color: var(--accent-hover);
}

.reasoning-content {
  margin-top: 8px;
  color: var(--text-muted);
  white-space: pre-wrap;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.5;
  max-height: 300px;
  overflow-y: auto;
  padding: 8px;
  background: var(--bg-glass);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

/* --- PDF Viewer (C1) --- */
.detail-pdf-viewer {
  margin-bottom: 20px;
}

.pdf-iframe {
  width: 100%;
  height: 500px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  background: #fff;
}

/* --- Cleaner Previews (C2) --- */
.yt-meta-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.yt-channel {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}
.yt-duration {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.yt-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.yt-description {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 4px;
}

.transcript-toggle,
.show-more-toggle {
  margin-top: 12px;
}

.transcript-toggle summary,
.show-more-toggle summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 500;
  user-select: none;
}

.transcript-toggle summary:hover,
.show-more-toggle summary:hover {
  color: var(--accent-hover);
}

.article-preview {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--focus-text);
  white-space: pre-wrap;
  word-wrap: break-word;
  max-width: 65ch;
}

/* --- Clickable Cover Images (C3) --- */
.cover-link {
  display: block;
  position: relative;
}

.cover-link img {
  transition:
    transform var(--transition),
    opacity var(--transition);
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}

.cover-link:hover img {
  transform: scale(1.02);
  opacity: 0.9;
}

.cover-link::after {
  content: "\2197";
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.cover-link:hover::after {
  opacity: 1;
}

/* --- FAB (D1) --- */
.ai-chat-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 40;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent) 0%, #818cf8 100%);
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow:
    0 4px 24px rgba(99, 102, 241, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  transition: all 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-chat-fab:hover {
  background: var(--accent-hover);
  transform: scale(1.08);
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.4);
}

body.focus-mode .ai-chat-fab {
  display: none !important;
}

/* --- Chat Sessions (D2) --- */
.ai-chat-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.ai-chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ai-chat-sessions-sidebar {
  width: 180px;
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  background: var(--bg-glass);
  transition:
    width 200ms ease,
    opacity 200ms ease;
  overflow: hidden;
}
.ai-chat-sessions-sidebar.collapsed {
  width: 0;
  border-right: none;
  opacity: 0;
  pointer-events: none;
}

.sessions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-glass);
}

.session-list {
  flex: 1;
  overflow-y: auto;
}

.session-item {
  padding: 10px 12px;
  font-size: 0.8rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border-glass);
  color: var(--text-secondary);
  transition: background var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.session-item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}
.session-item.active {
  background: var(--accent-muted);
  color: var(--accent);
}

.session-item .session-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-item .session-delete {
  opacity: 0;
  font-size: 0.7rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: opacity var(--transition);
  flex-shrink: 0;
}

.session-item:hover .session-delete {
  opacity: 0.6;
}
.session-item .session-delete:hover {
  opacity: 1;
  color: var(--danger);
}

/* --- Batch Import Modal (F1) --- */
.batch-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  resize: vertical;
  outline: none;
  margin-bottom: 12px;
}

.batch-textarea:focus {
  border-color: var(--accent);
}

.batch-option-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.batch-option-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Batch modal divider + bookmark upload */
.batch-divider {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin: 4px 0 8px;
  position: relative;
}
.batch-divider span {
  background: var(--bg-secondary);
  padding: 0 10px;
  position: relative;
  z-index: 1;
}
.batch-divider::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--border-glass);
}
.bookmark-upload {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.bookmark-label {
  cursor: pointer;
  white-space: nowrap;
}
.bookmark-filename {
  font-size: 0.75rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Export dropdown */
.export-dropdown {
  position: relative;
  z-index: 100;
}
.export-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.2);
  z-index: 100;
  min-width: 160px;
  overflow: hidden;
  backdrop-filter: blur(12px);
}
.export-menu button {
  display: block;
  width: 100%;
  padding: 10px 14px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.8rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s;
}
.export-menu button:hover {
  background: var(--accent);
  color: #fff;
}

/* --- Settings Dropdown --- */
.settings-dropdown {
  position: relative;
  z-index: 100;
}
.settings-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.2);
  z-index: 100;
  min-width: 200px;
  padding: 6px 0;
  backdrop-filter: blur(12px);
}
.settings-header {
  padding: 6px 14px 4px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.settings-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 14px;
  cursor: pointer;
  transition: background 0.15s;
  font-size: 0.8rem;
  color: var(--text-primary);
  gap: 12px;
}
.settings-toggle:hover {
  background: var(--bg-glass-hover);
}
.settings-toggle input {
  display: none;
}
.toggle-slider {
  position: relative;
  width: 32px;
  min-width: 32px;
  height: 18px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 9px;
  transition: all var(--transition);
}
.toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}
.settings-toggle input:checked + .toggle-slider {
  background: var(--accent);
  border-color: var(--accent);
}
.settings-toggle input:checked + .toggle-slider::after {
  transform: translateX(14px);
  background: #fff;
}
.settings-divider {
  height: 1px;
  background: var(--border-glass);
  margin: 4px 0;
}
.settings-action {
  display: block;
  width: 100%;
  padding: 8px 14px;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.8rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s;
}
.settings-action:hover {
  background: var(--bg-glass-hover);
}

/* --- Content-type card borders --- */
.card[data-type="web"] {
  border-left: 3px solid #3b82f6;
}
.card[data-type="pdf"] {
  border-left: 3px solid #ef4444;
}
.card[data-type="youtube"] {
  border-left: 3px solid #ef4444;
}
.card[data-type="arxiv"] {
  border-left: 3px solid #8b5cf6;
}
.card[data-type="github"] {
  border-left: 3px solid #22c55e;
}
.card[data-type="anime"] {
  border-left: 3px solid #06b6d4;
}
.card[data-type="manga"] {
  border-left: 3px solid #ec4899;
}
.card[data-type="movie"] {
  border-left: 3px solid #f59e0b;
}
.card[data-type="series"] {
  border-left: 3px solid #10b981;
}
.card[data-type="art"] {
  border-left: 3px solid #a855f7;
}
.card[data-type="reddit"] {
  border-left: 3px solid #ff4500;
}

.card-type-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  border-radius: 99px;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #fff;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2;
  z-index: 2;
}
.card-type-badge[data-type="web"] {
  background: #3b82f6;
}
.card-type-badge[data-type="pdf"] {
  background: #ef4444;
}
.card-type-badge[data-type="youtube"] {
  background: #ef4444;
}
.card-type-badge[data-type="arxiv"] {
  background: #8b5cf6;
}
.card-type-badge[data-type="github"] {
  background: #22c55e;
}
.card-type-badge[data-type="anime"] {
  background: #06b6d4;
}
.card-type-badge[data-type="manga"] {
  background: #ec4899;
}
.card-type-badge[data-type="movie"] {
  background: #f59e0b;
}
.card-type-badge[data-type="series"] {
  background: #10b981;
}
.card-type-badge[data-type="art"] {
  background: #a855f7;
}
.card-type-badge[data-type="reddit"] {
  background: #ff4500;
}

.card-meta-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.6rem;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  z-index: 2;
}

/* --- Card status badge (top-right on cover) --- */
.card-status-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(0, 0, 0, 0.45);
  z-index: 2;
  opacity: 0.85;
  transition: opacity .2s;
}
.card:hover .card-status-badge { opacity: 1; }
.card-status-badge svg {
  width: 16px;
  height: 16px;
}
.card-status-badge[data-status="completed"] svg,
.card-status-badge[data-status="read"] svg {
  color: #4ade80;
}
.card-status-badge[data-status="watching"] svg,
.card-status-badge[data-status="reading"] svg {
  color: #60a5fa;
}
.card-status-badge[data-status="on_hold"] svg {
  color: #fbbf24;
}
.card-status-badge[data-status="dropped"] svg {
  color: #f87171;
}
.card-status-badge[data-status="archived"] svg {
  color: #9ca3af;
}

.card-duration-badge {
  position: absolute;
  top: 32px;
  left: 8px;
  padding: 3px 8px;
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: #fff;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2;
  pointer-events: none;
}

/* --- Chat panel wider for sessions sidebar --- */
.ai-chat-panel {
  width: min(720px, 100vw);
}

/* --- Unprocessed Items Notification --- */
.process-nudge {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 45;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.2);
  font-size: 0.85rem;
  color: var(--text-primary);
  animation: nudgeIn 300ms ease;
}

.process-nudge-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  border-radius: 99px;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0 6px;
}

.process-nudge .btn {
  padding: 5px 14px;
  font-size: 0.8rem;
}

.process-nudge-dismiss {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 4px;
  line-height: 1;
}

.process-nudge-dismiss:hover {
  color: var(--text-primary);
}

@keyframes nudgeIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* Floating ingestion tracker widget */
.ingestion-tracker {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 41;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.8rem;
  min-width: 220px;
  animation: nudgeIn 300ms ease;
}

.ingestion-tracker-error {
  border-color: var(--red);
}
.ingestion-tracker-error .processing-status-text {
  color: var(--red);
}
.ingestion-tracker-warning {
  border-color: var(--yellow);
}
.ingestion-tracker-warning .processing-status-text {
  color: var(--yellow);
}
.progress-fill-error {
  background: var(--red) !important;
}

/* When both trackers are visible, stack the AI one above */
.ingestion-tracker ~ .processing-status,
.processing-status:has(~ .ingestion-tracker) {
  bottom: 100px;
}

/* Floating processing status widget */
.processing-status {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 40;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.8rem;
  min-width: 220px;
  animation: nudgeIn 300ms ease;
}
.processing-status-top {
  display: flex;
  align-items: center;
  gap: 10px;
}
.processing-status-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-glass);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.processing-status-text {
  color: var(--text-secondary);
  flex: 1;
}
.processing-status-count {
  font-weight: 600;
  color: var(--accent);
}
.processing-status-pct {
  font-weight: 600;
  color: var(--accent);
  margin-left: auto;
}
.processing-progress-track {
  width: 100%;
  height: 4px;
  background: var(--bg-glass);
  border-radius: 2px;
  overflow: hidden;
}
.processing-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 400ms ease;
  width: 0%;
}

/* --- Multi-Select Mode --- */

.card-select-checkbox {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-glass-strong);
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 200ms ease;
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}
.card-select-checkbox svg {
  width: 14px;
  height: 14px;
  color: transparent;
  transition: color 200ms ease;
}
body.select-mode .card {
  position: relative;
}
body.select-mode .card-select-checkbox {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}
.card-select-checkbox.checked {
  background: var(--accent);
  border-color: var(--accent);
}
.card-select-checkbox.checked svg {
  color: #fff;
}
.card.selected {
  border-color: var(--accent) !important;
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--accent) 30%, transparent),
    0 4px 20px rgba(99, 102, 241, 0.15),
    0 0 0 0.5px rgba(255, 255, 255, 0.08) inset;
}
body.select-mode .card:hover {
  transform: none;
}
body.select-mode .card:active {
  transform: scale(0.98);
}
#select-mode-btn.active {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  border-color: var(--accent);
}

/* --- Floating Selection Action Bar --- */

.selection-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass-strong);
  border-radius: var(--radius-lg);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 0 0.5px rgba(255, 255, 255, 0.06) inset;
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  animation: selectionBarIn 200ms ease;
}
@keyframes selectionBarIn {
  from { opacity: 0; transform: translateX(-50%) translateY(16px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.selection-count {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  min-width: 80px;
}
.selection-divider {
  width: 1px;
  height: 24px;
  background: var(--border-glass-strong);
  flex-shrink: 0;
}
.selection-bar .toolbar-select {
  min-width: 130px;
}

/* Move AI FAB up when selection bar is visible */
body.select-mode .ai-chat-fab {
  bottom: 88px;
}

/* AI chat scope note for selected items */
.ai-chat-scope-note {
  padding: 8px 12px;
  margin: 8px 12px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ai-chat-scope-note .btn {
  font-size: 0.75rem;
  padding: 2px 8px;
}

/* ========================================
   Gamification — Sidebar Widget
   ======================================== */

.gamification-widget {
  padding: 0 0 8px;
  margin-bottom: 6px;
}

.gw-level-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.gw-level-icon {
  color: var(--accent);
}

.gw-level-label strong {
  color: var(--text-primary);
  font-size: 0.9rem;
}

.gw-xp-bar-container {
  height: 4px;
  border-radius: 2px;
  background: var(--bg-glass);
  overflow: hidden;
  margin-bottom: 4px;
}

.gw-xp-bar {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 40%, transparent);
  transition: width 600ms ease;
}

.gw-xp-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.gw-achievements-link {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 4px 0;
  transition: color var(--transition);
}

.gw-achievements-link:hover {
  color: var(--accent-hover);
}

/* ========================================
   Gamification — Achievement Modal
   ======================================== */

.achievement-modal {
  max-width: 560px;
  width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.achievement-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.achievement-modal-header h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.achievement-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.achievement-tab {
  padding: 5px 12px;
  border: 1px solid var(--border-glass);
  border-radius: 99px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
}

.achievement-tab:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.achievement-tab.active {
  background: var(--accent-muted);
  color: var(--accent-hover);
  border-color: var(--accent);
}

.achievement-list {
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.achievement-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  transition: all var(--transition);
}

.achievement-item.unlocked {
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.achievement-item.locked {
  opacity: 0.55;
}

.achievement-item.secret {
  opacity: 0.4;
  font-style: italic;
}

.achievement-item.secret .achievement-icon {
  background: var(--bg-glass);
  color: var(--text-muted);
}

.achievement-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--accent-muted);
  color: var(--accent);
  transition: transform 200ms ease;
}

.achievement-item.unlocked .achievement-icon {
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 30%, transparent);
}

.achievement-item:hover .achievement-icon {
  transform: scale(1.1);
}

/* Category-specific badge colors for unlocked achievements */
.achievement-item.unlocked[data-category="reading"] .achievement-icon {
  background: color-mix(in srgb, #3b82f6 20%, transparent);
  color: #60a5fa;
}
.achievement-item.unlocked[data-category="depth"] .achievement-icon {
  background: color-mix(in srgb, #8b5cf6 20%, transparent);
  color: #a78bfa;
}
.achievement-item.unlocked[data-category="explorer"] .achievement-icon {
  background: color-mix(in srgb, #10b981 20%, transparent);
  color: #34d399;
}
.achievement-item.unlocked[data-category="media"] .achievement-icon {
  background: color-mix(in srgb, #f59e0b 20%, transparent);
  color: #fbbf24;
}
.achievement-item.unlocked[data-category="curator"] .achievement-icon {
  background: color-mix(in srgb, #ec4899 20%, transparent);
  color: #f472b6;
}
.achievement-item.unlocked[data-category="secret"] .achievement-icon {
  background: color-mix(in srgb, #ef4444 20%, transparent);
  color: #f87171;
  box-shadow: 0 0 16px color-mix(in srgb, #ef4444 25%, transparent);
}

.achievement-item.locked .achievement-icon {
  background: var(--bg-glass);
  color: var(--text-muted);
}

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

.achievement-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.achievement-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.achievement-xp {
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
}

.achievement-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.achievement-date {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.achievement-progress-bar {
  height: 3px;
  border-radius: 2px;
  background: var(--bg-glass);
  overflow: hidden;
  margin-top: 4px;
}

.achievement-progress-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  transition: width 400ms ease;
}

.achievement-progress-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.achievement-check {
  color: var(--success);
  flex-shrink: 0;
}

/* Secret achievement hints & reveal */
.secret-hint {
  display: flex;
  align-items: center;
  gap: 5px;
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.secret-hint svg {
  width: 12px;
  height: 12px;
  opacity: 0.6;
}

.btn-xs {
  padding: 2px 8px;
  font-size: 0.65rem;
  border-radius: 6px;
}

.secret-reveal-btn {
  margin-top: 4px;
  gap: 4px;
  display: inline-flex;
  align-items: center;
  opacity: 0.7;
  transition: opacity 200ms ease;
}

.secret-reveal-btn:hover {
  opacity: 1;
}

.secret-reveal-btn svg {
  width: 11px;
  height: 11px;
}

.secret-reveal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  border-radius: var(--radius-lg);
  animation: fadeIn 200ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.secret-reveal-dialog {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  text-align: center;
  max-width: 320px;
}

.secret-reveal-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: color-mix(in srgb, #ef4444 15%, transparent);
  color: #f87171;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.secret-reveal-dialog h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--text-primary);
}

.secret-reveal-dialog p {
  margin: 0 0 16px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.secret-reveal-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.secret-reveal-confirm {
  background: color-mix(in srgb, #ef4444 20%, var(--bg-glass)) !important;
  color: #f87171 !important;
  border: 1px solid color-mix(in srgb, #ef4444 30%, transparent) !important;
}

.secret-reveal-confirm:hover {
  background: color-mix(in srgb, #ef4444 35%, var(--bg-glass)) !important;
}

/* ========================================
   Gamification — Daily Picks Section
   ======================================== */

.picks-section {
  padding: 0 20px;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.picks-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.picks-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

#picks-collapse-btn {
  cursor: pointer;
}

#picks-collapse-btn svg {
  transition: transform 300ms ease;
}

.picks-grid {
  transition: max-height 300ms ease, opacity 200ms ease;
  overflow: hidden;
}

.picks-section.collapsed .picks-grid {
  max-height: 0 !important;
  opacity: 0;
  pointer-events: none;
}

.picks-section.collapsed .picks-header {
  margin-bottom: 0;
}

.picks-section.collapsed #picks-refresh-btn {
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}

#picks-refresh-btn {
  transition: opacity 200ms ease;
}

.picks-section.collapsed #picks-collapse-btn svg {
  transform: rotate(180deg);
}

.picks-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.picks-grid {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.picks-grid .card {
  min-width: 180px;
  max-width: 200px;
  flex-shrink: 0;
}

.pick-completed-overlay {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--success) 15%, transparent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  pointer-events: none;
}

.pick-completed-overlay .pick-check {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========================================
   Quests Section
   ======================================== */

.quests-section {
  padding: 0 20px;
  margin-bottom: 16px;
}

.quests-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.quests-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

#quests-collapse-btn {
  cursor: pointer;
}

#quests-collapse-btn svg {
  transition: transform 300ms ease;
}

.quests-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.quests-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: max-height 300ms ease, opacity 200ms ease;
  overflow: hidden;
}

.quests-section.collapsed .quests-grid {
  max-height: 0 !important;
  opacity: 0;
  pointer-events: none;
}

.quests-section.collapsed .quests-header {
  margin-bottom: 0;
}

.quests-section.collapsed #quests-collapse-btn svg {
  transform: rotate(180deg);
}

.quest-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.quest-group-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.quest-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  transition: background 200ms ease;
}

.quest-card:hover {
  background: var(--glass-bg-hover);
}

.quest-card.quest-done {
  opacity: 0.6;
}

.quest-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quest-done .quest-icon {
  background: color-mix(in srgb, var(--success) 15%, transparent);
  color: var(--success);
}

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

.quest-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.quest-desc {
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-top: 1px;
}

.quest-progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 5px;
}

.quest-progress-bar {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--glass-border);
  overflow: hidden;
}

.quest-progress-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  transition: width 300ms ease;
}

.quest-done .quest-progress-fill {
  background: var(--success);
}

.quest-progress-text {
  font-size: 0.7rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.quest-xp {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.quest-done .quest-xp {
  color: var(--success);
}

.quest-check {
  color: var(--success);
  flex-shrink: 0;
}

/* ========================================
   Gamification — Special Toasts
   ======================================== */

.toast.toast-achievement {
  border-color: #f59e0b;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation:
    toastIn 200ms ease,
    toastOut 200ms ease 3.8s forwards;
  max-width: 420px;
}

.toast-achievement-icon {
  color: #f59e0b;
  flex-shrink: 0;
}

.toast-achievement-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toast-achievement-title {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.toast-achievement-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.toast.toast-levelup {
  border-color: var(--accent);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation:
    toastIn 200ms ease,
    levelUpGlow 1.5s ease 200ms,
    toastOut 200ms ease 3.8s forwards;
  max-width: 420px;
}

.toast-levelup-icon {
  color: var(--accent);
  flex-shrink: 0;
}

@keyframes levelUpGlow {
  0%, 100% { box-shadow: var(--shadow-md); }
  50% { box-shadow: 0 0 20px color-mix(in srgb, var(--accent) 30%, transparent); }
}

.toast.toast-quest {
  border-color: #8b5cf6;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation:
    toastIn 200ms ease,
    toastOut 200ms ease 3.8s forwards;
  max-width: 420px;
}
.toast.toast-quest .toast-achievement-icon { color: #8b5cf6; flex-shrink: 0; }

.toast.toast-quest-all {
  border-color: #10b981;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation:
    toastIn 200ms ease,
    questAllGlow 1.5s ease 200ms,
    toastOut 200ms ease 4.5s forwards;
  max-width: 420px;
}
.toast.toast-quest-all .toast-achievement-icon { color: #10b981; flex-shrink: 0; }

@keyframes questAllGlow {
  0%, 100% { box-shadow: var(--shadow-md); }
  50% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.3); }
}

/* ========================================
   Gamification — Group Progress Bar
   ======================================== */

.group-progress-bar {
  height: 3px;
  border-radius: 2px;
  background: var(--bg-glass);
  overflow: hidden;
  margin: 2px 12px 0 34px;
}

.group-progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 400ms ease;
}

/* ========================================
   Gamification — Group Track Toggle
   ======================================== */

.group-track-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  margin-top: 8px;
}

.group-track-toggle input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}