:root {
  color-scheme: dark;
  --bg: #0c0e14;
  --panel: #141824;
  --border: #252b3f;
  --text: #e8ebf8;
  --muted: #8b93ad;
  --accent: #5db6ff;
  --danger: #ff6b81;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    ui-sans-serif,
    system-ui,
    "Segoe UI",
    Roboto,
    sans-serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(80, 150, 220, 0.12), transparent),
    var(--bg);
  color: var(--text);
  padding: 20px clamp(14px, 3vw, 28px) 56px;
  line-height: 1.35;
}

a {
  color: var(--accent);
}

h1,
h2 {
  margin: 0 0 6px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(22px, 4vw, 28px);
}

h2 {
  font-size: 18px;
  color: #d9def2;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

.top-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
}

.tiktok-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 10px 16px;
  background: rgba(20, 24, 36, 0.85);
  border: 1px solid var(--border);
  border-radius: 14px;
  min-width: 240px;
}

.pill {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid transparent;
}

.pill.disconnected {
  background: rgba(120, 120, 135, 0.25);
  color: #c6cadb;
}

.pill.connecting {
  background: rgba(255, 196, 64, 0.15);
  color: #ffd37a;
  border-color: rgba(255, 196, 64, 0.35);
}

.pill.live {
  background: rgba(90, 220, 150, 0.15);
  color: #7af0b8;
  border-color: rgba(90, 220, 150, 0.35);
}

.pill.error {
  background: rgba(255, 90, 120, 0.15);
  color: #ffa5b8;
  border-color: rgba(255, 90, 120, 0.35);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px clamp(14px, 2vw, 22px);
  margin-bottom: 18px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.sound-panel .sound-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 800px) {
  .sound-panel .sound-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.sound-card {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.2);
}

.audio-preview {
  width: 100%;
  max-width: 100%;
  margin: 8px 0;
}

.small-field {
  font-size: 12px;
}

.connection-panel .conn-grid {
  display: grid;
  gap: 14px;
}

@media (min-width: 720px) {
  .connection-panel .conn-grid {
    grid-template-columns: 2fr auto;
    align-items: flex-end;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input[type="text"],
input[type="number"] {
  width: 100%;
  max-width: 520px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(8, 10, 16, 0.55);
  color: var(--text);
  outline: none;
}

input:focus {
  border-color: rgba(93, 182, 255, 0.55);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(160deg, #4c9fff, #3677cf);
  border-color: rgba(120, 200, 255, 0.45);
}

.btn:active {
  transform: translateY(1px);
}

.btn.danger {
  border-color: rgba(255, 120, 120, 0.45);
  color: #ffd3d9;
}

.lanes-root {
  display: grid;
  gap: 16px;
}

@media (min-width: 1080px) {
  .lanes-root {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1540px) {
  .lanes-root {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.lane-card {
  background: rgba(18, 22, 36, 0.95);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lane-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
}

.lane-num {
  font-weight: 800;
  letter-spacing: 0.06em;
  font-size: 13px;
  color: var(--muted);
}

.lane-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.metric span {
  font-size: 20px;
  font-weight: 800;
}

.previews {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.previews-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 900px) {
  .previews-3 {
    grid-template-columns: 1fr;
  }
}

.preview-box {
  border: 1px dashed rgba(139, 147, 173, 0.45);
  border-radius: 10px;
  min-height: 100px;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.preview-box img {
  max-width: 94%;
  max-height: 90px;
  object-fit: contain;
}

.mini-label {
  font-size: 12px;
  color: var(--muted);
}

.upload-row input[type="file"] {
  font-size: 12px;
  color: var(--muted);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-actions .btn {
  flex: 1 1 auto;
}

.foot {
  margin-top: 22px;
  text-align: center;
}

.anim-panel .anim-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
  margin: 14px 0 16px;
}

.anim-panel .anim-span-2 {
  grid-column: 1 / -1;
}

@media (max-width: 720px) {
  .anim-panel .anim-grid {
    grid-template-columns: 1fr;
  }

  .anim-panel .anim-span-2 {
    grid-column: auto;
  }
}

code {
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 12px;
}