:root {
  color-scheme: dark;
  --background: #0b0b0f;
  --surface: #141419;
  --surface-raised: #1a1a20;
  --surface-hover: #22222a;
  --border: #2c2c36;
  --text: #f2f2f5;
  --muted: #a5a5b3;
  --brand: #e8352c;
  --brand-dark: #b3251f;
  --accent: #3ea6ff;
  --success: #43d17f;
  --focus: #7ab8ff;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.55);
  --topbar-height: 64px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--text);
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #101014;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 700;
  transform: translateY(-120%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--topbar-height);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.25rem;
  padding: 0.75rem 2rem;
  background: rgba(11, 11, 15, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-mark {
  width: 2.25rem;
  height: 1.55rem;
  border-radius: 0.45rem;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: var(--shadow-sm);
}

.brand-mark::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  margin: 0.42rem 0 0 0.7rem;
  border-left: 0.45rem solid #fff;
  border-top: 0.3rem solid transparent;
  border-bottom: 0.3rem solid transparent;
}

.brand-text {
  color: var(--text);
}

.search-form {
  min-width: 0;
  display: flex;
  align-items: center;
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-form:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(62, 166, 255, 0.18);
}

.search-form input {
  flex: 1;
  min-width: 0;
  padding: 0.75rem 1.1rem;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.95rem;
}

.search-form input::placeholder {
  color: var(--muted);
}

.search-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3rem;
  border: none;
  background: var(--surface-hover);
  color: var(--text);
  font-size: 1.25rem;
  transition: background 0.2s ease;
}

.search-button:hover {
  background: #2b2b35;
}

.filters {
  position: sticky;
  top: var(--topbar-height);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 0.85rem 2rem 0.9rem;
  background: rgba(11, 11, 15, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.chip-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  overflow-x: auto;
  padding-bottom: 0.15rem;
  scrollbar-width: thin;
}

.chip-row::-webkit-scrollbar {
  height: 4px;
}

.chip-row::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 999px;
}

.type-chips {
  margin-left: auto;
  min-width: 0;
}

.chip {
  flex: 0 0 auto;
  min-height: 2.35rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.chip:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.chip[aria-pressed="true"] {
  background: #fff;
  color: #111;
  border-color: #fff;
}

.chip:active {
  transform: scale(0.98);
}

.main {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 1.75rem 2rem 4rem;
}

.view {
  animation: fade-in 0.25s ease;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-header h1,
.series-hero h1,
.error-view h1 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.muted {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.35rem;
}

.video-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0.75rem;
  border-radius: var(--radius-lg);
  background: transparent;
  transition: background 0.2s ease, transform 0.2s ease;
}

.video-card:hover,
.video-card:focus-visible {
  background: var(--surface);
  transform: translateY(-2px);
}

.thumbnail {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-raised);
}

.thumbnail img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.video-card:hover .thumbnail img {
  transform: scale(1.03);
}

.thumbnail::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  background: linear-gradient(to top, rgba(0,0,0,0.2), transparent 40%);
}

.video-card-meta {
  display: grid;
  gap: 0.3rem;
  padding: 0 0.15rem;
}

.video-card-title {
  margin: 0;
  min-height: 2.65rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 0.98rem;
  font-weight: 650;
  line-height: 1.35;
}

.video-card-series {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.5rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(232, 53, 44, 0.18);
  color: #ffb3ad;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.solo-badge {
  background: rgba(62, 166, 255, 0.18);
  color: #b7dcff;
}

.skeleton-card {
  min-height: 235px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
}

.skeleton-thumb {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, #1b1b22 25%, #272731 50%, #1b1b22 75%);
  background-size: 300% 100%;
  animation: shimmer 1.35s infinite;
}

.skeleton-line {
  height: 0.8rem;
  margin: 0.85rem 0.75rem 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #202028 25%, #30303a 50%, #202028 75%);
  background-size: 300% 100%;
  animation: shimmer 1.35s infinite;
}

.skeleton-line.small {
  width: 55%;
  margin-bottom: 1rem;
}

.status {
  min-height: 2.5rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
}

.status strong {
  color: var(--text);
}

.load-more {
  display: block;
  margin: 0 auto 1.5rem;
}

.primary-button,
.secondary-button,
.control-button,
.ghost-button {
  min-height: 2.55rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-weight: 750;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.primary-button {
  background: var(--brand);
  color: #fff;
}

.primary-button:hover {
  background: #f14a41;
}

.secondary-button {
  background: var(--surface-raised);
  color: var(--text);
  border-color: var(--border);
}

.secondary-button:hover {
  background: var(--surface-hover);
}

.control-button {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.control-button:hover:not(:disabled) {
  background: var(--surface-hover);
}

.control-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}

.ghost-button:hover {
  color: var(--text);
  background: var(--surface);
}

.error-view {
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: 4rem 1rem;
  text-align: center;
}

.error-view .primary-button {
  margin-top: 0.5rem;
}

.noscript-message {
  margin: 2rem auto;
  padding: 1rem 1.5rem;
  max-width: 640px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
}

.series-hero {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.series-hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.35rem);
}

.series-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 1.75rem;
  align-items: start;
}

.player-column {
  min-width: 0;
}

.player-shell {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-lg);
}

.player-frame {
  width: 100%;
  height: 100%;
  border: 0;
}

.player-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-info {
  margin-top: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.video-info h2 {
  margin: 0;
  font-size: clamp(1.1rem, 2.5vw, 1.55rem);
  line-height: 1.3;
}

.player-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.toggle input {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--brand);
}

.playlist,
.recommendations {
  min-width: 0;
}

.playlist h2,
.recommendations h2 {
  margin: 1.5rem 0 0.85rem;
  font-size: 1.05rem;
  font-weight: 800;
}

.playlist-list,
.recommendation-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.playlist-item,
.recommendation-item {
  display: grid;
  grid-template-columns: 44px 168px minmax(0, 1fr);
  gap: 0.85rem;
  align-items: center;
  padding: 0.65rem;
  border-radius: var(--radius-md);
  background: transparent;
  transition: background 0.2s ease, transform 0.2s ease;
}

.recommendation-item {
  grid-template-columns: 168px minmax(0, 1fr);
}

.playlist-item:hover,
.playlist-item:focus-visible,
.recommendation-item:hover,
.recommendation-item:focus-visible {
  background: var(--surface);
  transform: translateX(3px);
}

.playlist-item.active {
  background: rgba(232, 53, 44, 0.16);
  box-shadow: inset 0 0 0 1px rgba(232, 53, 44, 0.35);
}

.playlist-item.active .item-index {
  color: #ff8b85;
}

.item-index {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 750;
  text-align: center;
}

.item-thumb {
  aspect-ratio: 16 / 9;
  border-radius: 0.55rem;
  overflow: hidden;
  background: var(--surface-raised);
}

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

.item-info {
  min-width: 0;
  display: grid;
  gap: 0.2rem;
}

.item-title {
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.3;
}

.item-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.next-overlay {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 120;
  max-width: 380px;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  background: rgba(12, 12, 18, 0.94);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(14px);
}

.next-card {
  display: grid;
  gap: 0.75rem;
}

.next-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.next-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 750;
  line-height: 1.35;
}

.countdown-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.countdown-ring {
  width: 44px;
  height: 44px;
  transform: rotate(-90deg);
}

.ring-track,
.ring-progress {
  fill: none;
  stroke-width: 4;
}

.ring-track {
  stroke: rgba(255,255,255,0.14);
}

.ring-progress {
  stroke: var(--brand);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.25s linear;
}

#countdown-value {
  min-width: 1.75rem;
  font-size: 1.05rem;
  font-weight: 850;
}

.next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.next-actions .primary-button {
  flex: 1;
}

@media (max-width: 1100px) {
  .series-layout {
    grid-template-columns: 1fr;
  }

  .recommendations {
    margin-top: 1.5rem;
  }
}

@media (max-width: 820px) {
  .topbar {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 0.7rem 1rem;
  }

  .search-form {
    grid-column: 1 / -1;
    order: 3;
    margin-top: 0.5rem;
  }

  .filters {
    padding: 0.75rem 1rem;
  }

  .main {
    padding: 1.25rem 1rem 3rem;
  }

  .video-grid {
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 1rem;
  }

  .section-header {
    align-items: start;
    flex-direction: column;
  }

  .type-chips {
    margin-left: 0;
  }
}

@media (max-width: 600px) {
  .brand-text {
    display: none;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .playlist-item {
    grid-template-columns: 38px 128px minmax(0, 1fr);
    gap: 0.65rem;
  }

  .recommendation-item {
    grid-template-columns: 128px minmax(0, 1fr);
  }

  .next-overlay {
    right: 0.75rem;
    left: 0.75rem;
    bottom: 0.75rem;
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  from {
    background-position: 300% 0;
  }
  to {
    background-position: -300% 0;
  }
}