:root {
  color-scheme: dark;
  --canvas: #000000;
  --surface: #12151b;
  --surface-raised: #1c212a;
  --surface-strong: #272e39;
  --text: #ffffff;
  --text-secondary: #e4e6eb;
  --muted: #b7bec9;
  --focus: #8deaff;
  --focus-glow: rgba(141, 234, 255, 0.58);
  --accent: #ffb04a;
  --accent-strong: #ff8a3d;
  --success: #62f0b2;
  --danger: #ff718a;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --focus-on: 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--canvas);
}

body,
button {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
  color: var(--text);
}

button {
  color: inherit;
}

button,
.focusable {
  cursor: pointer;
}

button:disabled {
  cursor: default;
  opacity: 0.42;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 600px;
  max-height: 600px;
  overflow: hidden;
}

.screen {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--canvas);
}

.hidden {
  display: none !important;
}

.surface-panel {
  background: var(--surface);
}

.app-header {
  min-height: 64px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--accent);
  font-size: 14px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.12em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.05;
  font-weight: 780;
}

h2 {
  font-size: 22px;
  line-height: 1.15;
}

.app-header h1,
.header-copy h1 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-meta {
  flex: 0 0 auto;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
}

.focusable {
  border: 3px solid transparent;
  outline: none;
  transition: transform var(--focus-on), border-color var(--focus-on), background-color var(--focus-on), box-shadow var(--focus-on), opacity var(--focus-on);
}

.focusable:focus-visible,
.focusable.is-targeted {
  border-color: var(--focus);
  box-shadow: 0 0 28px var(--focus-glow), inset 0 0 0 2px rgba(255, 255, 255, 0.34);
  transform: scale(0.965);
}

.focusable:active,
.focusable.is-pressed {
  transform: scale(0.93);
}

.status-panel {
  flex: 1;
  margin: 0;
  border-radius: var(--radius-lg);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 16px;
  text-align: center;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--surface-strong);
  border-top-color: var(--focus);
  border-radius: 50%;
  animation: spin 850ms linear infinite;
}

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

.error-mark {
  width: 44px;
  height: 44px;
  border: 3px solid var(--danger);
  border-radius: 50%;
  color: var(--danger);
  display: grid;
  place-items: center;
  font-size: 26px;
  font-weight: 900;
}

.retry-button {
  width: 220px;
  min-height: 88px;
  border-radius: var(--radius-md);
  background: var(--surface-raised);
  font-size: 18px;
  font-weight: 800;
}

/* Home */
.help-button {
  flex-shrink: 0;
  min-height: 44px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
}

#catalog-count {
  display: block;
  margin-top: 4px;
}

.home-content {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-rows: 88px 34px 1fr 28px;
  gap: 8px;
}

.continue-card {
  min-height: 88px;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, #4b2b12, #24232a 66%);
  display: grid;
  grid-template-columns: 48px 1fr 28px;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.continue-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #17100a;
  background: var(--accent);
  font-size: 20px;
  padding-left: 3px;
}

.continue-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.continue-kicker {
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

.continue-copy strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 18px;
}

.continue-copy > span:last-child {
  color: var(--muted);
  font-size: 14px;
}

.continue-chevron {
  font-size: 34px;
  color: var(--text-secondary);
}

.section-heading {
  padding: 0 10px;
  display: flex;
  align-items: end;
  justify-content: space-between;
}

.section-heading h2 {
  font-size: 20px;
}

.section-heading span {
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.carousel-frame {
  min-height: 0;
  width: 100%;
  overflow: hidden;
}

.carousel-track {
  height: 100%;
  display: flex;
  align-items: stretch;
  gap: 12px;
  transform: translate3d(0, 0, 0);
  transition: transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.carousel-track.no-transition {
  transition: none;
}

.series-card {
  position: relative;
  flex: 0 0 86%;
  width: 86%;
  height: 100%;
  max-height: 342px;
  padding: 12px;
  border: 3px solid transparent;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface-raised);
  text-align: left;
  display: grid;
  grid-template-columns: minmax(0, 44%) minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.series-card:not(.is-current) {
  border-color: rgba(141, 234, 255, 0.12);
  opacity: 0.76;
}

.series-card.is-next {
  opacity: 0.92;
}

.series-card.carousel-clone {
  pointer-events: none;
}

.series-card.focusable:focus-visible,
.series-card.focusable.is-targeted {
  transform: none;
}

.series-card.focusable:active,
.series-card.focusable.is-pressed {
  transform: scale(0.985);
}

.series-poster {
  display: block;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--canvas);
}

.series-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: var(--canvas);
}

.series-copy {
  display: grid;
  min-width: 0;
  gap: 8px;
}

.series-tag {
  justify-self: start;
  padding: 4px 10px;
  border-radius: 999px;
  color: #1d1205;
  background: var(--accent);
  font-size: 14px;
  font-weight: 850;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.series-copy strong {
  font-size: 24px;
  line-height: 1.1;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}

.series-description {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}

.series-copy > span:not(.series-tag) {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.3;
}

.series-copy .series-meta {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.carousel-footer {
  padding: 0 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
}

.direction-hint {
  color: var(--muted);
  font-size: 14px;
}

.direction-hint:last-child {
  text-align: right;
}

.carousel-dots {
  display: flex;
  gap: 5px;
}

.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #555d69;
}

.carousel-dot.active {
  width: 18px;
  border-radius: 99px;
  background: var(--focus);
}

/* Episodes */
#episodes .app-header h1 {
  font-size: 24px;
  line-height: 1.15;
}

#episodes-eyebrow {
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.08em;
}

#series-progress {
  color: var(--focus);
}

.episodes-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  gap: 8px;
}

.drama-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 112px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  border: 1px solid #252c36;
}

.drama-summary img {
  flex-shrink: 0;
  height: 88px;
  width: 60px;
  border-radius: 8px;
  object-fit: contain;
  background: var(--canvas);
}

.drama-summary-copy {
  min-width: 0;
}

.summary-label {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.drama-summary p {
  color: #ddd6cc;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.progress-summary {
  min-height: 52px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  display: grid;
  align-content: center;
  gap: 8px;
}

.progress-copy {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 14px;
}

.progress-copy strong {
  color: var(--accent);
}

.progress-track {
  width: 100%;
  height: 7px;
  overflow: hidden;
  border-radius: 99px;
  background: #39404b;
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
  transition: width 180ms ease-out;
}

.episode-list-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.episode-list {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-color: var(--muted) var(--surface);
  scrollbar-width: thin;
  scroll-padding: 4px;
  padding: 4px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  grid-auto-rows: 88px;
  align-content: start;
  gap: 8px;
}

.episode-row {
  min-height: 88px;
  width: 100%;
  min-width: 0;
  padding: 8px 4px;
  border-radius: var(--radius-md);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.episode-number {
  color: var(--text-secondary);
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
}

.episode-row[aria-current="true"] {
  border-color: var(--focus);
  background: #20333d;
}

.episode-row[aria-current="true"] .episode-number {
  color: var(--accent);
}

.edge-fade {
  position: absolute;
  left: 0;
  right: 0;
  height: 28px;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 180ms ease;
}

.edge-fade.visible {
  opacity: 1;
}

.edge-fade-top {
  top: 0;
  background: linear-gradient(to bottom, var(--surface) 0%, transparent 100%);
}

.edge-fade-bottom {
  bottom: 0;
  background: linear-gradient(to top, var(--surface) 0%, transparent 100%);
}

.episode-footer {
  min-height: 40px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 14px;
  gap: 12px;
}

.episode-footer > span:first-child {
  flex-shrink: 0;
}

.episode-footer > span:last-child {
  text-align: right;
}

/* First-use guide: explain the real controls without covering the target. */
.guide-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  overflow: hidden;
  pointer-events: none;
}

.guide-highlight {
  position: absolute;
  border: 2px solid var(--focus);
  border-radius: var(--radius-md);
  background: transparent;
  box-shadow: 0 0 0 2000px rgba(0, 0, 0, 0.65);
  pointer-events: none;
}

.guide-overlay.guide-waiting {
  background: rgba(0, 0, 0, 0.55);
}

.guide-waiting .guide-highlight {
  display: none;
}

.guide-card {
  position: absolute;
  z-index: 1;
  top: 12px;
  left: 12px;
  right: 12px;
  width: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid rgba(141, 234, 255, 0.45);
  border-radius: var(--radius-md);
  background: rgba(18, 21, 27, 0.97);
  pointer-events: auto;
}

.guide-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.guide-header .eyebrow {
  margin: 0;
  font-size: 12px;
}

.guide-count {
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.guide-copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.guide-copy h2 {
  color: var(--text);
  font-size: 22px;
  line-height: 1.2;
}

.guide-copy p {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.35;
}

.guide-skip {
  flex-shrink: 0;
  min-height: 44px;
  margin-left: auto;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 700;
}

#app.guide-active .focusable:focus-visible,
#app.guide-active .focusable.is-targeted,
#app.guide-active .focusable:active,
#app.guide-active .focusable.is-pressed,
.help-button:focus-visible,
.help-button.is-targeted {
  transform: none;
}

@media (max-width: 450px) {
  .app-header { padding: 10px 12px; gap: 8px; }
  h1 { font-size: 22px; }
  .header-meta { font-size: 12px; }
  #episodes .app-header h1 { font-size: 21px; }
  .drama-summary { gap: 12px; }
  .drama-summary p { font-size: 13px; }
  .series-card { flex-basis: 94%; width: 94%; gap: 10px; padding: 8px; }
  .series-copy strong { font-size: 20px; }
  .series-description { -webkit-line-clamp: 3; }
  .carousel-footer { padding: 0 8px; gap: 6px; }
  .direction-hint { font-size: 12px; }
  .carousel-dots { display: none; }
  .carousel-footer { grid-template-columns: 1fr 1fr; }
  .episode-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .episode-footer { font-size: 12px; padding: 8px; }
  .player-header { left: 8px; right: 8px; gap: 8px; }
  .help-button { padding: 6px 8px; }
  .guide-card { padding: 10px 12px; }
  .guide-copy h2 { font-size: 20px; }
  .guide-copy p { font-size: 17px; }
}

@media (max-height: 550px) {
  .drama-summary { height: 88px; padding: 10px 12px; }
  .drama-summary img { height: 64px; width: 44px; }
  .summary-label { margin-bottom: 4px; }
  .drama-summary p { -webkit-line-clamp: 2; }
  .series-description { -webkit-line-clamp: 2; }
  .guide-card { padding-top: 10px; padding-bottom: 10px; }
  .guide-copy h2 { font-size: 20px; }
}

#episode-count-hint {
  color: var(--accent);
  font-weight: 800;
}

/* Player */
.player-screen {
  padding: 0;
  background: var(--canvas);
}

.video-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

#drama-video {
  /* Constrain the replaced element itself; intrinsic video size must not grow the stage. */
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: block;
  object-fit: contain;
  background: var(--canvas);
}

.player-surface {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.player-surface.focusable:focus-visible,
.player-surface.focusable.is-targeted,
.player-surface.focusable:active {
  transform: none;
  box-shadow: none;
}

.player-chrome-hidden .player-surface {
  border-color: transparent;
}

.video-message {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 337.5px;
  max-width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--text-secondary);
  background: var(--surface);
  text-align: center;
}

#video-loading {
  pointer-events: none;
}

.player-header {
  position: absolute;
  top: 8px;
  left: 24px;
  right: 24px;
  min-height: 64px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: rgba(18, 21, 27, 0.92);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.player-header,
.player-progress,
.player-controls,
.back-hint {
  opacity: 1;
  transition: opacity 180ms ease-out, transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.player-screen.player-chrome-hidden .player-header {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-14px);
}

.player-screen.player-chrome-hidden .back-hint {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -14px);
}

.player-screen.player-chrome-hidden .player-progress,
.player-screen.player-chrome-hidden .player-controls {
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
}

.player-header h1 {
  font-size: 22px;
}

.player-time {
  flex: 0 0 auto;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

.player-progress {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 112px;
  padding: 0 8px;
}

.player-controls {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  height: 96px;
  padding: 4px;
  border-radius: var(--radius-md);
  background: rgba(18, 21, 27, 0.94);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.player-control {
  min-width: 0;
  min-height: 88px;
  padding: 6px;
  border-radius: 15px;
  background: var(--surface-raised);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 18px;
  font-weight: 800;
}

.player-control-primary {
  color: #17100a;
  background: var(--accent);
}

.player-control:disabled {
  border-color: transparent;
}

.control-icon {
  font-size: 23px;
  line-height: 1;
  font-weight: 850;
}

.back-hint {
  position: absolute;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 12px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(18, 21, 27, 0.9);
  font-size: 14px;
  white-space: nowrap;
}

.end-card {
  position: absolute;
  left: 32px;
  right: 32px;
  top: 154px;
  min-height: 292px;
  padding: 28px 24px 22px;
  border: 1px solid #424954;
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.65);
  text-align: center;
}

.end-card h2 {
  margin-top: 8px;
  font-size: 28px;
}

.end-card > p:not(.eyebrow) {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 15px;
}

.end-actions {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 8px;
}

.end-action {
  min-height: 88px;
  padding: 8px;
  border-radius: var(--radius-md);
  background: var(--surface-raised);
  font-size: 16px;
  font-weight: 850;
}

.end-action-primary {
  color: #17100a;
  background: var(--accent);
}

.toast {
  position: absolute;
  z-index: 50;
  top: 24px;
  left: 50%;
  max-width: 536px;
  min-width: 240px;
  padding: 12px 20px;
  border: 1px solid var(--focus);
  border-radius: 24px;
  color: var(--text);
  background: var(--surface-raised);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -18px);
  transition: opacity 180ms ease, transform 220ms ease;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
}

.toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}