:root {
  --bg-deep: #070912;
  --bg-surface: #0d101f;
  --bg-card: #13172b;
  --bg-card-hover: #191f38;

  --indigo-700: #4338ca;
  --indigo-600: #4f46e5;
  --indigo-500: #6366f1;
  --indigo-400: #818cf8;
  --indigo-300: #a5b4fc;
  --indigo-200: #c7d2fe;

  --accent-cyan: #38bdf8;
  --accent-emerald: #10b981;

  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-subtle: rgba(99, 102, 241, 0.15);
  --border-strong: rgba(129, 140, 248, 0.35);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  line-height: 1.4;
  min-height: 100vh;
  overflow-x: hidden;
}

body {
  background-image: radial-gradient(circle at 50% 0%, rgba(79, 70, 229, 0.16) 0%, transparent 45%);
  padding-bottom: 130px;
}

/* Slim Top Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 9, 18, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 14px;
}

.header-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--indigo-600), var(--indigo-500));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 12px rgba(99, 102, 241, 0.45);
}

.brand h1 {
  font-size: 1.05rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-320 {
  font-size: 0.62rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--indigo-600);
  color: #fff;
  letter-spacing: 0.03em;
}

.btn-install-pwa {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(79, 70, 229, 0.2);
  color: var(--indigo-200);
  border: 1px solid var(--border-strong);
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
}

/* Main Container */
.app-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 12px 14px;
}

/* Smart Clipboard Banner */
.clipboard-banner {
  background: linear-gradient(135deg, rgba(49, 46, 129, 0.95), rgba(24, 24, 62, 0.98));
  border: 1px solid var(--indigo-400);
  border-radius: var(--radius-md);
  padding: 11px 13px;
  margin-bottom: 12px;
  display: none;
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
}

.clipboard-banner.active {
  display: block;
}

.clipboard-banner-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.73rem;
  font-weight: 800;
  color: var(--indigo-200);
  margin-bottom: 6px;
}

.clipboard-url-preview {
  font-size: 0.76rem;
  color: #fff;
  background: rgba(7, 9, 18, 0.55);
  padding: 6px 10px;
  border-radius: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 8px;
}

/* Compact URL Extractor Card */
.hero-extractor {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 13px;
  margin-bottom: 14px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.url-input-row {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.url-input-wrapper {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.url-input {
  width: 100%;
  background: var(--bg-deep);
  border: 1.5px solid rgba(99, 102, 241, 0.3);
  color: var(--text-main);
  padding: 11px 32px 11px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  outline: none;
}

.url-input:focus {
  border-color: var(--indigo-400);
}

.url-clear-btn {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  color: var(--text-secondary);
  width: 22px;
  height: 22px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.url-clear-btn.visible {
  display: flex;
}

.btn-paste-inline {
  background: rgba(79, 70, 229, 0.18);
  color: var(--indigo-200);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

/* Clean Preset Chips Row */
.presets-chips {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 6px;
  scrollbar-width: none;
}

.presets-chips::-webkit-scrollbar {
  display: none;
}

.preset-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--bg-deep);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.73rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.preset-chip.active {
  background: var(--indigo-600);
  border-color: var(--indigo-300);
  color: #fff;
}

/* Primary Action Row (2 clean buttons) */
.hero-actions-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.83rem;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-indigo-primary {
  background: linear-gradient(135deg, var(--indigo-600), var(--indigo-500));
  color: #fff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-indigo-ghost {
  background: rgba(79, 70, 229, 0.16);
  color: var(--indigo-200);
  border: 1px solid var(--border-strong);
}

/* Active Tasks Progress Bar */
.active-tasks-panel {
  margin-bottom: 12px;
  display: none;
}

.active-tasks-panel.visible {
  display: block;
}

.task-card {
  background: var(--bg-card);
  border: 1px solid var(--indigo-500);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 8px;
}

.task-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.task-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-track {
  width: 100%;
  height: 5px;
  background: var(--bg-deep);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 4px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--indigo-500), var(--accent-cyan));
  transition: width 0.25s ease;
}

.task-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--indigo-300);
}

/* Tabs */
.tab-section {
  display: none;
}

.tab-section.active {
  display: block;
}

/* Category Scroll */
.category-scroll {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 10px;
  scrollbar-width: none;
}

.category-scroll::-webkit-scrollbar {
  display: none;
}

.cat-pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.cat-pill.active {
  background: var(--indigo-600);
  border-color: var(--indigo-400);
  color: #fff;
}

/* Compact Mobile-First Video List (Snaptube / YT Music Style) */
.media-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

@media (min-width: 720px) {
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

.media-row-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: border-color 0.15s ease;
}

.media-row-card:hover {
  border-color: var(--indigo-400);
}

.row-thumb-wrap {
  position: relative;
  width: 106px;
  height: 60px;
  border-radius: 8px;
  overflow: hidden;
  background: #05060b;
  flex-shrink: 0;
  cursor: pointer;
}

.row-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.row-duration {
  position: absolute;
  bottom: 3px;
  right: 4px;
  background: rgba(5, 6, 12, 0.88);
  color: #fff;
  font-size: 0.64rem;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 4px;
}

.row-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.row-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.28;
}

.row-meta {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row-actions {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}

.btn-row-dl {
  background: linear-gradient(135deg, var(--indigo-600), var(--indigo-500));
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 7px 9px;
  font-size: 0.72rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
}

.btn-row-dl small {
  font-size: 0.58rem;
  opacity: 0.85;
  font-weight: 600;
}

.btn-row-more {
  width: 32px;
  height: 36px;
  border-radius: 8px;
  background: rgba(79, 70, 229, 0.14);
  border: 1px solid var(--border-subtle);
  color: var(--indigo-200);
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Library List */
.library-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lib-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 9px 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.lib-item.playing {
  border-color: var(--indigo-400);
  background: rgba(79, 70, 229, 0.15);
}

.lib-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
  cursor: pointer;
}

.lib-thumb {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

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

.lib-title {
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lib-sub {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.lib-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.icon-btn {
  width: 33px;
  height: 33px;
  border-radius: 8px;
  background: rgba(30, 41, 59, 0.75);
  border: 1px solid rgba(148, 163, 184, 0.18);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.8rem;
}

/* Bottom Sheet Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(4, 5, 12, 0.78);
  backdrop-filter: blur(6px);
  display: none;
  align-items: flex-end;
  justify-content: center;
}

.modal-backdrop.open {
  display: flex;
}

@media (min-width: 640px) {
  .modal-backdrop {
    align-items: center;
    padding: 16px;
  }
}

.bottom-sheet {
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-strong);
  border-radius: 20px 20px 0 0;
  padding: 14px 16px 20px;
  overflow-y: auto;
}

@media (min-width: 640px) {
  .bottom-sheet {
    border-radius: 20px;
    border: 1px solid var(--border-strong);
  }
}

.sheet-handle {
  width: 36px;
  height: 4px;
  background: rgba(148, 163, 184, 0.3);
  border-radius: 999px;
  margin: 0 auto 10px;
}

.sheet-media-preview {
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--bg-card);
  padding: 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.sheet-media-preview img {
  width: 76px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.sheet-group-title {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--indigo-300);
  margin: 10px 0 6px;
}

.format-option-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.format-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

.format-row.priority-row {
  background: rgba(79, 70, 229, 0.2);
  border-color: var(--indigo-400);
}

.format-row-left {
  display: flex;
  align-items: center;
  gap: 9px;
}

.format-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--indigo-600);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.68rem;
}

.format-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.format-desc {
  font-size: 0.68rem;
  color: var(--text-secondary);
}

.format-size {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--indigo-200);
}

/* Slim Floating Mini-Player (Hidden until playing) */
.player-dock {
  position: fixed;
  bottom: 58px;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 0 10px;
  display: none;
}

.player-dock.active {
  display: block;
}

.player-dock-inner {
  max-width: 840px;
  margin: 0 auto;
  background: rgba(16, 20, 40, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid var(--indigo-400);
  border-radius: 14px;
  padding: 8px 11px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.player-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.player-track-info {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.player-thumb {
  width: 36px;
  height: 36px;
  border-radius: 7px;
  object-fit: cover;
  flex-shrink: 0;
}

.player-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-sub {
  font-size: 0.66rem;
  color: var(--indigo-300);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-play-main {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--indigo-600);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.player-seek-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.seek-slider {
  flex: 1;
  accent-color: var(--indigo-500);
  height: 4px;
}

/* Bottom Navigation Bar */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: 54px;
  background: rgba(7, 9, 18, 0.96);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.nav-item {
  flex: 1;
  height: 100%;
  background: none;
  border: none;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.66rem;
  font-weight: 700;
  cursor: pointer;
  position: relative;
}

.nav-item.active {
  color: var(--indigo-400);
}

.nav-badge {
  position: absolute;
  top: 4px;
  margin-left: 20px;
  background: var(--indigo-600);
  color: #fff;
  font-size: 0.58rem;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 999px;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  top: 58px;
  right: 12px;
  left: 12px;
  z-index: 120;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
}

.toast {
  background: rgba(19, 23, 43, 0.96);
  border-left: 4px solid var(--indigo-500);
  border: 1px solid var(--border-strong);
  color: #fff;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.video-player-box {
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  margin-bottom: 10px;
}

.video-player-box iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  border: none;
}