:root {
  color-scheme: light;
  --bg: #f3f8fc;
  --panel: #ffffff;
  --panel-soft: #eef7ff;
  --line: #d8e7f5;
  --text: #12213a;
  --muted: #60708a;
  --blue: #0a84ff;
  --cyan: #17c9ff;
  --green: #17c964;
  --shadow: 0 22px 70px rgba(31, 74, 112, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 10%, rgba(23, 201, 255, 0.2), transparent 28%),
    linear-gradient(135deg, #f9fdff 0%, var(--bg) 48%, #e9f6ff 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1440px, 100%);
  height: 100vh;
  min-height: 620px;
  margin: 0 auto;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow: hidden;
}

.topbar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(10, 132, 255, 0.28);
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1;
}

.brand p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

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

.actions button,
.apk-link {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(31, 74, 112, 0.08);
}

.actions button:focus,
.actions button:hover,
.apk-link:focus,
.apk-link:hover {
  outline: 3px solid rgba(10, 132, 255, 0.2);
  border-color: var(--blue);
}

.layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 220px 330px minmax(0, 1fr);
  gap: 16px;
}

.regions,
.channels,
.player-panel {
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.regions,
.channels {
  display: flex;
  flex-direction: column;
}

.panel-title {
  padding: 18px 20px 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.region-list,
.channel-list {
  min-height: 0;
  overflow: auto;
  padding: 8px;
}

.region-button,
.channel-button {
  width: 100%;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.region-button {
  min-height: 58px;
  padding: 0 16px;
  font-size: 16px;
}

.region-button.active,
.region-button:focus,
.region-button:hover,
.channel-button.active,
.channel-button:focus,
.channel-button:hover {
  outline: 0;
  background: #e5f4ff;
  color: #006fdd;
  box-shadow: inset 0 0 0 2px rgba(10, 132, 255, 0.32);
}

.search {
  width: calc(100% - 24px);
  height: 44px;
  margin: 0 12px 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 14px;
  color: var(--text);
  background: #f8fcff;
}

.search:focus {
  outline: 3px solid rgba(10, 132, 255, 0.18);
  border-color: var(--blue);
}

.channel-button {
  min-height: 66px;
  padding: 10px 16px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.channel-number {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.channel-name {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 750;
}

.channel-meta {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-panel {
  display: flex;
  flex-direction: column;
}

.player-panel:fullscreen {
  border: 0;
  border-radius: 0;
  background: #000;
  box-shadow: none;
}

.player-panel:fullscreen .now-bar {
  display: none;
}

.player-panel:fullscreen .video-frame,
.player-panel:fullscreen video {
  min-height: 100vh;
}

.video-frame {
  position: relative;
  flex: 1;
  min-height: 260px;
  background:
    linear-gradient(135deg, rgba(10, 132, 255, 0.16), transparent 42%),
    radial-gradient(circle at 75% 28%, rgba(23, 201, 255, 0.35), transparent 30%),
    #dcecf8;
}

video {
  width: 100%;
  height: 100%;
  min-height: 260px;
  display: block;
  background: #071421;
  object-fit: contain;
}

.idle-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 10px;
  padding: 42px;
  pointer-events: none;
}

.idle-overlay.hidden {
  display: none;
}

.live-pill {
  padding: 7px 12px;
  border-radius: 10px;
  background: #ff3b30;
  color: #fff;
  font-size: 13px;
  font-weight: 850;
}

.idle-overlay strong {
  font-size: clamp(44px, 7vw, 82px);
  line-height: 0.95;
}

.idle-overlay span:last-child {
  color: var(--muted);
  font-size: 18px;
}

.now-bar {
  min-height: 116px;
  display: grid;
  grid-template-columns: 1.3fr 1fr 120px;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.now-section,
.signal {
  background: rgba(255, 255, 255, 0.92);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.label {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.now-section strong {
  margin-top: 6px;
  font-size: 22px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.now-section span:last-child,
.now-section a {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.signal {
  align-items: center;
  text-align: center;
}

.signal span {
  color: var(--blue);
  font-weight: 850;
}

.signal strong {
  margin-top: 8px;
  color: var(--green);
  font-size: 15px;
}

@media (max-width: 980px) {
  .shell {
    height: auto;
    min-height: 100vh;
    overflow: visible;
    padding: 14px;
  }

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

  .regions,
  .channels {
    max-height: 260px;
  }

  .now-bar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .actions {
    width: 100%;
  }

  .actions button,
  .apk-link {
    flex: 1;
  }

  .channel-button {
    grid-template-columns: 42px minmax(0, 1fr);
  }
}