* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: var(--color-bg);
  background-image:
    radial-gradient(60% 50% at 15% 0%, oklch(30% 0.05 55 / 0.12), transparent 60%),
    radial-gradient(50% 40% at 100% 100%, oklch(30% 0.06 195 / 0.1), transparent 60%);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) var(--space-xl);
}

/* ---- station bar ---- */

.station-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-bottom: 1px solid oklch(100% 0 0 / 0.08);
  margin-bottom: var(--space-lg);
}

.station-bar__wordmark {
  font-family: var(--font-display);
  font-size: var(--text-display);
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin: 0;
  line-height: 1;
}

.station-bar__wordmark span {
  color: var(--color-amber);
  text-shadow: var(--glow-amber);
}

.station-bar__tagline {
  margin: var(--space-2xs) 0 0;
  max-width: 52ch;
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  line-height: 1.5;
}

.station-bar__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-dim);
}

.station-bar__clock {
  color: var(--color-cyan);
  text-shadow: var(--glow-cyan);
  min-width: 5ch;
  text-align: right;
}

.station-bar__date {
  color: var(--color-text-dim);
  font-size: var(--text-base);
  white-space: nowrap;
}

.on-air-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-live);
  border: 1px solid oklch(60% 0.21 25 / 0.5);
  border-radius: 999px;
  padding: var(--space-2xs) var(--space-sm);
}

.on-air-pill::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-live);
  box-shadow: 0 0 8px oklch(60% 0.21 25 / 0.8);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ---- stage layout (grid-breaking two column) ---- */

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 400px);
  gap: var(--space-lg);
  align-items: start;
}

@media (max-width: 900px) {
  .stage {
    grid-template-columns: 1fr;
  }
}

.main-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  min-width: 0;
}

/* ---- screen / player ---- */

.crt-screen {
  aspect-ratio: 16 / 9;
}

.crt-screen video {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.crt-screen__status {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-dim);
  background: oklch(8% 0.02 262 / 0.85);
}

.crt-screen__status[hidden] {
  display: none;
}

.crt-screen__status-title {
  display: block;
  font-size: var(--text-display);
  color: var(--color-amber);
  text-shadow: var(--glow-amber);
  margin-bottom: var(--space-xs);
}

.retry-button {
  margin-top: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  background: transparent;
  border: 1px solid var(--color-amber-dim);
  color: var(--color-amber);
  border-radius: var(--radius-tile);
  padding: var(--space-2xs) var(--space-md);
  cursor: pointer;
  transition: box-shadow var(--duration-fast) var(--ease-out-expo), border-color var(--duration-fast);
}

.retry-button:hover,
.retry-button:focus-visible {
  border-color: var(--color-amber);
  box-shadow: var(--glow-amber);
  outline: none;
}

.mute-toggle {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  z-index: 3;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  line-height: 1;
  background: oklch(10% 0.02 262 / 0.75);
  border: 1px solid oklch(100% 0 0 / 0.15);
  border-radius: 50%;
  color: var(--color-text);
  cursor: pointer;
  backdrop-filter: blur(2px);
  transition: border-color var(--duration-fast) var(--ease-out-expo),
              box-shadow var(--duration-fast) var(--ease-out-expo),
              transform var(--duration-fast) var(--ease-out-expo);
}

.play-toggle {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  z-index: 3;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--color-text);
  background: oklch(10% 0.02 262 / 0.78);
  border: 1px solid oklch(100% 0 0 / 0.2);
  border-radius: 50%;
  cursor: pointer;
  backdrop-filter: blur(2px);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast), transform var(--duration-fast);
}

.play-toggle:hover,
.play-toggle:focus-visible {
  border-color: var(--color-amber);
  box-shadow: var(--glow-amber);
  outline: none;
  transform: scale(1.06);
}

.mute-toggle:hover,
.mute-toggle:focus-visible {
  border-color: var(--color-cyan);
  box-shadow: var(--glow-cyan);
  outline: none;
  transform: scale(1.06);
}

.mute-toggle[aria-pressed="false"] {
  border-color: var(--color-amber-dim);
}

.mute-toggle.needs-tap {
  border-color: var(--color-cyan);
  animation: mute-needs-tap 1.4s ease-in-out infinite;
}

@keyframes mute-needs-tap {
  0%, 100% { box-shadow: 0 0 0 0 oklch(76% 0.14 195 / 0.55); }
  50% { box-shadow: 0 0 0 8px oklch(76% 0.14 195 / 0); }
}

@media (prefers-reduced-motion: reduce) {
  .mute-toggle.needs-tap {
    animation: none;
    box-shadow: var(--glow-cyan);
  }
}

.fullscreen-toggle {
  position: absolute;
  bottom: var(--space-sm);
  right: calc(var(--space-sm) + 40px + var(--space-2xs));
  z-index: 3;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  line-height: 1;
  background: oklch(10% 0.02 262 / 0.75);
  border: 1px solid oklch(100% 0 0 / 0.15);
  border-radius: 50%;
  color: var(--color-text);
  cursor: pointer;
  backdrop-filter: blur(2px);
  transition: border-color var(--duration-fast) var(--ease-out-expo),
              box-shadow var(--duration-fast) var(--ease-out-expo),
              transform var(--duration-fast) var(--ease-out-expo);
}

.fullscreen-toggle:hover,
.fullscreen-toggle:focus-visible {
  border-color: var(--color-cyan);
  box-shadow: var(--glow-cyan);
  outline: none;
  transform: scale(1.06);
}

.crt-screen:fullscreen {
  border-radius: 0;
}

.crt-screen:fullscreen video {
  object-fit: contain;
}

/* ---- channel dial ---- */

.channel-dial__heading {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-cyan);
  text-shadow: var(--glow-cyan);
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-xs);
}

.channel-dial {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding: var(--space-xs) var(--space-2xs) var(--space-sm);
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--color-amber-dim) transparent;
}

.channel-tile {
  scroll-snap-align: start;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  width: 224px;
  background: var(--color-bg-raised);
  border: 1px solid oklch(100% 0 0 / 0.06);
  border-radius: var(--radius-tile);
  padding: var(--space-xs) var(--space-sm);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-expo),
              border-color var(--duration-fast),
              box-shadow var(--duration-fast);
}

.channel-tile:hover {
  transform: translateY(-2px);
  border-color: oklch(100% 0 0 / 0.16);
}

.channel-tile:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

.channel-tile.is-active {
  border-color: var(--color-amber);
  box-shadow: var(--glow-amber);
  background: oklch(20% 0.04 55 / 0.35);
}

.channel-tile__number {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-amber);
  min-width: 2.2ch;
}

@media (max-width: 640px) {
  .channel-dial {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-xs);
    overflow: visible;
    padding-inline: 0;
    scroll-snap-type: none;
  }

  .channel-tile {
    width: 100%;
    min-width: 0;
    gap: var(--space-2xs);
    padding-inline: var(--space-xs);
  }

  .channel-tile__number {
    padding-left: 0;
  }

  .channel-tile__name {
    min-width: 0;
    font-size: var(--text-xs);
  }
}

.channel-tile__logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--color-bg-inset);
  flex-shrink: 0;
}

.channel-tile__name {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  line-height: 1.25;
  white-space: normal;
  overflow-wrap: anywhere;
}

.channel-tile.is-active .channel-tile__name {
  color: var(--color-text);
}

/* ---- guide panel ---- */

.guide-panel {
  background: var(--color-bg-raised);
  border: 1px solid oklch(100% 0 0 / 0.06);
  border-radius: var(--radius-tile);
  padding: var(--space-md);
  position: sticky;
  top: var(--space-md);
  min-width: 0;
}

.guide-panel__heading {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-cyan);
  text-shadow: var(--glow-cyan);
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.04em;
}

.guide-now {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-tile);
  background: oklch(20% 0.04 55 / 0.25);
  border: 1px solid var(--color-amber-dim);
  margin-bottom: var(--space-sm);
}

.guide-now__poster {
  width: 104px;
  height: 146px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 6px;
  background: var(--color-bg-inset);
  box-shadow: 0 6px 16px -6px oklch(0% 0 0 / 0.6);
}

.guide-now__body {
  min-width: 0;
}

.guide-eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin: 0 0 var(--space-2xs);
}

.guide-title {
  font-weight: 600;
  margin: 0 0 var(--space-2xs);
}

.guide-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  margin: 0 0 var(--space-2xs);
}

.guide-time {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  margin: 0;
}

.guide-remaining-wrap {
  width: min(100%, 15rem);
  margin-top: var(--space-2xs);
}

.guide-remaining {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  padding: 0.15em 0.55em;
  border: 1px solid var(--color-amber-dim);
  border-radius: 999px;
  color: var(--color-amber);
  font-size: var(--text-sm);
  font-weight: 600;
}

.guide-remaining__track {
  display: block;
  height: 3px;
  margin-top: var(--space-2xs);
  overflow: hidden;
  border-radius: 999px;
  background: oklch(100% 0 0 / 0.12);
}

.guide-remaining__progress {
  display: block;
  width: var(--programme-progress, 0%);
  height: 100%;
  border-radius: inherit;
  background: var(--color-amber);
  transition: width 1s linear;
}

.guide-desc {
  font-size: var(--text-base);
  color: var(--color-text-dim);
  margin: var(--space-2xs) 0 0;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guide-list-wrap {
  position: relative;
}

.guide-list-wrap::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 32px;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, var(--color-bg-raised));
}

.guide-list {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-xs);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  max-height: 420px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-amber-dim) transparent;
}

.guide-list::-webkit-scrollbar {
  width: 6px;
}

.guide-list::-webkit-scrollbar-thumb {
  background: var(--color-amber-dim);
  border-radius: 999px;
}

.guide-row {
  padding: 0;
  border-top: 1px dashed oklch(100% 0 0 / 0.08);
  border-radius: var(--radius-tile);
  transition: background var(--duration-fast) var(--ease-out-expo);
}

.guide-row:hover {
  background: oklch(100% 0 0 / 0.04);
}

.guide-row__button {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  width: 100%;
  padding: var(--space-2xs);
  border: 0;
  border-radius: var(--radius-tile);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.guide-row__button:hover,
.guide-row__button:focus-visible {
  background: oklch(100% 0 0 / 0.04);
  outline: none;
}

.guide-row__thumb {
  width: 64px;
  height: 90px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 4px;
  background: var(--color-bg-inset);
}

.guide-row__button .guide-row__time {
  align-self: center;
}

.guide-row__info {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.guide-row__title {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.guide-row__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.guide-row__time {
  font-size: var(--text-sm);
  color: var(--color-cyan);
  font-weight: 600;
  flex-shrink: 0;
  white-space: nowrap;
}

.guide-empty {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

.guide-other {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid oklch(100% 0 0 / 0.08);
}

.guide-other__heading {
  font-family: var(--font-display);
  font-size: var(--text-base);
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
  margin: 0 0 var(--space-xs);
}

.guide-other__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.guide-other__row {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  background: transparent;
  border: none;
  padding: var(--space-2xs) var(--space-xs);
  border-radius: var(--radius-tile);
  text-align: left;
  cursor: pointer;
  width: 100%;
  transition: background var(--duration-fast) var(--ease-out-expo);
}

.guide-other__row:hover,
.guide-other__row:focus-visible {
  background: oklch(100% 0 0 / 0.05);
  outline: none;
}

.guide-other__number {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-amber);
  min-width: 2ch;
}

.guide-other__title {
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.guide-other__recent {
  list-style: none;
  margin: 0 0 var(--space-xs) calc(2ch + var(--space-xs) * 2);
  padding: 0;
  border-left: 2px solid oklch(100% 0 0 / 0.12);
}

.guide-other__recent li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-xs);
  padding: var(--space-2xs) var(--space-xs);
  color: var(--color-text-dim);
  font-size: var(--text-sm);
}

.guide-other__recent li.is-current {
  color: var(--color-text);
  background: oklch(76% 0.14 195 / 0.08);
}

.guide-other__recent-title {
  min-width: 0;
  overflow-wrap: anywhere;
}

.guide-other__recent-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-wrap: anywhere;
}

.guide-other__recent-info > span + span {
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

.guide-other__recent-time {
  flex: 0 0 auto;
  white-space: nowrap;
  color: var(--color-cyan);
  font-size: var(--text-xs);
}

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

/* ---- setup instructions ---- */

.setup-info {
  margin-top: var(--space-lg);
  border: 1px solid oklch(100% 0 0 / 0.1);
  border-radius: var(--radius-tile);
  background: var(--color-bg-raised);
  overflow: hidden;
}

.setup-info__summary {
  padding: var(--space-md);
  color: var(--color-cyan);
  font-weight: 600;
  cursor: pointer;
}

.setup-info__summary:hover,
.setup-info__summary:focus-visible {
  background: oklch(100% 0 0 / 0.04);
  outline-color: var(--color-cyan);
}

.setup-info__body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
  padding: 0 var(--space-md) var(--space-md);
}

.setup-info__section {
  min-width: 0;
  padding: var(--space-sm);
  border: 1px solid oklch(100% 0 0 / 0.08);
  border-radius: var(--radius-tile);
  background: var(--color-bg-inset);
}

.setup-info__section h3 {
  margin: 0 0 var(--space-xs);
  color: var(--color-text);
  font-size: var(--text-base);
}

.setup-info__section ol {
  margin: 0;
  padding-left: 1.4rem;
  color: var(--color-text-dim);
  line-height: 1.65;
}

.setup-info__section li + li {
  margin-top: var(--space-xs);
}

.setup-info__note {
  margin: var(--space-sm) 0 0;
  padding: var(--space-xs) var(--space-sm);
  border-left: 2px solid var(--color-amber-dim);
  color: var(--color-text-dim);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.setup-info__section code {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--color-amber);
}

.episode-dialog {
  width: min(620px, calc(100vw - 2rem));
  max-height: min(85vh, 760px);
  padding: var(--space-md);
  border: 1px solid oklch(100% 0 0 / 0.16);
  border-radius: var(--radius-tile);
  background: var(--color-bg-raised);
  color: var(--color-text);
  box-shadow: 0 24px 80px oklch(0% 0 0 / 0.6);
}

.episode-dialog::backdrop {
  background: oklch(0% 0 0 / 0.72);
  backdrop-filter: blur(4px);
}

.episode-dialog__close-wrap {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-xs);
}

.episode-dialog__close {
  width: 36px;
  height: 36px;
  border: 1px solid oklch(100% 0 0 / 0.14);
  border-radius: 50%;
  background: var(--color-bg-inset);
  color: var(--color-text);
  font-size: 1.4rem;
  cursor: pointer;
}

.episode-dialog__content {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.episode-dialog__poster {
  width: 148px;
  height: 208px;
  flex: 0 0 auto;
  object-fit: cover;
  border-radius: 6px;
  background: var(--color-bg-inset);
}

.episode-dialog__text {
  min-width: 0;
}

.episode-dialog__text .guide-desc {
  display: block;
  overflow: visible;
  margin-bottom: var(--space-md);
}

.episode-dialog__remind {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-amber-dim);
  border-radius: var(--radius-tile);
  background: oklch(20% 0.04 55 / 0.35);
  color: var(--color-amber);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

@media (max-width: 640px) {
  .setup-info__body {
    grid-template-columns: 1fr;
  }

  .station-bar__meta {
    gap: var(--space-xs);
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .station-bar__date {
    font-size: var(--text-sm);
  }

  .guide-now__poster {
    width: 88px;
    height: 124px;
  }

  .guide-row__thumb {
    width: 58px;
    height: 82px;
  }

  .episode-dialog__content {
    gap: var(--space-sm);
  }

  .episode-dialog__poster {
    width: 96px;
    height: 136px;
  }
}