.channel-page {
  min-height: 100vh;
}

.channel-main {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(28px, 3.4vw, 48px) 0 78px;
}

.channel-hero-page {
  display: grid;
  grid-template-columns: minmax(240px, .58fr) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(var(--identity-soft-rgb, 70,214,204), .14), transparent 36%),
    var(--surface);
}

.channel-hero-media {
  min-height: 185px;
  position: relative;
  overflow: hidden;
  background: var(--surface-2);
}

.channel-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 20%;
}

.channel-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 62%, var(--surface));
}

.channel-hero-copy {
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  gap: clamp(10px, 1.2vw, 14px);
  padding: clamp(18px, 2.2vw, 28px);
}

.channel-hero-text {
  display: grid;
  gap: 12px;
}

.channel-page-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.channel-page-title-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  color: inherit;
  text-decoration: none;
}

.channel-page-title-link:hover,
.channel-page-title-link:focus-visible {
  color: inherit;
  filter: brightness(1.08);
}

.channel-page-title-icon {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: clamp(42px, 5vw, 58px);
  height: clamp(42px, 5vw, 58px);
  filter: drop-shadow(0 0 16px rgba(255, 0, 51, .28));
  transform: translateY(-4px);
}

.channel-page-title-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.channel-page-title-icon-bg {
  fill: #ff0033;
}

.channel-page-title-icon-play {
  fill: #fff;
}

.channel-hero-copy p {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.48;
}

.channel-philosophy {
  display: grid;
  max-width: 760px;
  margin-top: 0;
}

.channel-philosophy p {
  max-width: 760px;
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.22;
  font-weight: 900;
}

.channel-action {
  min-height: 42px;
  display: inline-grid;
  place-items: center;
  padding: 0 18px;
  border: 1px solid var(--line-brand);
  border-radius: 6px;
  color: #061010;
  background: var(--brand-teal-soft);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.channel-action--ghost {
  color: var(--text);
  background: rgba(0,0,0,.22);
}

.channel-featured-video {
  display: block;
  width: min(620px, 100%);
  overflow: hidden;
  border-radius: 6px;
}

.channel-featured-video:hover,
.channel-featured-video:focus-visible {
  filter: brightness(1.08);
}

.channel-featured-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(var(--identity-soft-rgb, 70,214,204), .30), rgba(0,0,0,.20)),
    #0d1114;
}

.channel-featured-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 25% 28%, rgba(255,255,255,.16), transparent 30%),
    linear-gradient(112deg, transparent 0 46%, rgba(255,255,255,.18) 47% 48%, transparent 49%),
    radial-gradient(circle at 80% 74%, rgba(var(--identity-soft-rgb, 70,214,204), .24), transparent 34%);
}

.channel-featured-thumb::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  transform: translate(-35%, -50%);
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  border-left: 19px solid #fff;
  filter: drop-shadow(0 0 16px rgba(255,255,255,.30));
}

.channel-featured-thumb span,
.channel-video-thumb span {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 1;
  min-height: 28px;
  display: inline-grid;
  place-items: center;
  padding: 0 11px;
  border: 1px solid var(--card-label-border);
  border-radius: var(--card-label-radius);
  background: var(--card-label-bg);
  color: var(--card-label-text);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.channel-library {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.channel-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 2px;
}

.channel-tab {
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: rgba(0,0,0,.18);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
}

.channel-tab:hover,
.channel-tab:focus-visible {
  color: var(--text);
  border-color: rgba(var(--identity-soft-rgb, 70,214,204), .48);
}

.channel-tab.is-active {
  color: #061010;
  border-color: var(--line-brand);
  background: var(--brand-teal-soft);
}

.channel-panels {
  display: grid;
}

.channel-video-panel {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 2.5vw, 30px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(var(--identity-soft-rgb, 70,214,204), .10), transparent 44%),
    var(--surface);
}

.channel-video-panel[hidden] {
  display: none;
}

.channel-video-group-head {
  display: grid;
  gap: 6px;
}

.channel-video-group-head span {
  color: var(--brand-teal-soft);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .15em;
}

.channel-video-group-head h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(26px, 2.4vw, 36px);
  font-weight: 950;
  line-height: .96;
}

.channel-video-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: clamp(18px, 2vw, 24px);
}

.channel-filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 2vw, 26px);
}

.channel-filter-tag {
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 6px;
  background: rgba(0,0,0,.78);
  color: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.08),
    0 0 0 1px rgba(0,0,0,.22),
    0 8px 18px rgba(0,0,0,.24);
  font-family: var(--font-interface);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
}

.channel-filter-tag:hover,
.channel-filter-tag:focus-visible,
.channel-filter-tag.is-active {
  border-color: rgba(var(--identity-soft-rgb, 70,214,204), .68);
  color: var(--text);
}

.channel-video-item {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(var(--identity-soft-rgb, 70,214,204), .08), transparent 45%),
    var(--surface-strong, var(--surface));
  transition:
    border-color .16s ease,
    filter .16s ease,
    transform .16s ease;
}

.channel-video-item[hidden] {
  display: none;
}

.channel-video-item:hover,
.channel-video-item:focus-visible {
  border-color: rgba(var(--identity-soft-rgb, 70,214,204), .54);
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.channel-video-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  overflow: hidden;
  border-radius: 0;
  background:
    linear-gradient(135deg, rgba(var(--identity-soft-rgb, 70,214,204), .24), rgba(0,0,0,.12)),
    #0d1114;
}

.channel-video-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, transparent 0 48%, rgba(255,255,255,.16) 49% 50%, transparent 51%),
    radial-gradient(circle at 76% 22%, rgba(var(--identity-soft-rgb, 70,214,204), .24), transparent 36%);
  opacity: .62;
}

.channel-video-thumb--image {
  background:
    var(--thumb-image) center / cover no-repeat,
    #0d1114;
}

.channel-video-thumb--image::before {
  display: none;
}

.channel-video-thumb::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  transform: translate(-38%, -50%);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 12px solid #fff;
  filter: drop-shadow(0 0 10px rgba(255,255,255,.24));
}

.channel-video-thumb--story {
  background:
    linear-gradient(135deg, rgba(255,255,255,.12), rgba(var(--identity-soft-rgb, 70,214,204), .12)),
    #111418;
}

.channel-video-thumb--showcase {
  background:
    linear-gradient(135deg, rgba(var(--identity-soft-rgb, 70,214,204), .20), rgba(120,255,120,.08)),
    #0c1311;
}

.channel-video-thumb span {
  display: none;
}

.channel-video-copy {
  min-width: 0;
  display: grid;
  grid-template-rows: minmax(44px, 1fr) auto;
  align-content: start;
  gap: 0;
  padding: 0;
}

.channel-video-copy strong {
  color: var(--text);
  font-size: clamp(14px, 1vw, 17px);
  font-weight: 600;
  line-height: 1.16;
  padding: 14px 15px 12px;
}

.channel-video-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  min-height: 48px;
  align-content: center;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.16);
}

.channel-video-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 6px;
  background: rgba(0,0,0,.78);
  color: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.08),
    0 0 0 1px rgba(0,0,0,.22),
    0 8px 18px rgba(0,0,0,.18);
  font-family: var(--font-interface);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.channel-video-copy small {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.45;
}

:root[data-theme="light"] .channel-hero-copy p,
body[data-theme="light"] .channel-hero-copy p,
:root[data-theme="light"] .channel-video-copy small,
body[data-theme="light"] .channel-video-copy small {
  color: #151719;
}

:root[data-theme="light"] .channel-video-group-head h2,
body[data-theme="light"] .channel-video-group-head h2,
:root[data-theme="light"] .channel-video-copy strong,
body[data-theme="light"] .channel-video-copy strong,
:root[data-theme="light"] .channel-action--ghost,
body[data-theme="light"] .channel-action--ghost {
  color: #050608;
}

:root[data-theme="light"] .channel-video-item,
body[data-theme="light"] .channel-video-item {
  background: transparent;
}

:root[data-theme="light"] .channel-tab,
body[data-theme="light"] .channel-tab {
  color: #151719;
  background: rgba(255,255,255,.76);
  border-color: rgba(5,6,8,.12);
}

:root[data-theme="light"] .channel-filter-tag,
body[data-theme="light"] .channel-filter-tag {
  color: #050608;
  background: rgba(255,255,255,.86);
  border-color: rgba(5,6,8,.16);
}

:root[data-theme="light"] .channel-video-tags span,
body[data-theme="light"] .channel-video-tags span {
  color: #050608;
  background: rgba(255,255,255,.86);
  border-color: rgba(5,6,8,.16);
}

:root[data-theme="light"] .channel-video-tags,
body[data-theme="light"] .channel-video-tags {
  background: rgba(5,6,8,.035);
}

:root[data-theme="light"] .channel-tab.is-active,
body[data-theme="light"] .channel-tab.is-active,
:root[data-theme="light"] .channel-filter-tag.is-active,
body[data-theme="light"] .channel-filter-tag.is-active {
  color: #061010;
  background: var(--brand-teal-soft);
  border-color: var(--line-brand);
}

@media (max-width: 920px) {
  .channel-hero-page,
  .channel-library {
    grid-template-columns: 1fr;
  }

  .channel-hero-copy {
    grid-template-columns: 1fr;
  }

  .channel-hero-media {
    min-height: 170px;
  }

  .channel-hero-media::after {
    background: linear-gradient(180deg, transparent 58%, var(--surface));
  }
}

@media (max-width: 620px) {
  .channel-video-list,
  .channel-video-item {
    grid-template-columns: 1fr;
  }

  .channel-video-thumb {
    width: 100%;
  }
}