:root {
  --ink: #0c0f14;
  --void: #07090f;
  --nebula: #14202e;
  --glow: #3be2c4;
  --solar: #ffb347;
  --lilac: #c7b8ff;
  --peach: #f8c6a4;
  --steel: #9fb2c4;
  --mist: rgba(255, 255, 255, 0.08);
  --panel: rgba(13, 18, 26, 0.88);
  --edge: rgba(255, 255, 255, 0.12);
  --accent: #f4d35e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande", sans-serif;
  color: #edf0f7;
  background: radial-gradient(circle at 20% 20%, #1a2332, #0a0d13 45%, #07090f 80%);
  min-height: 100vh;
}

.app {
  min-height: 100vh;
  padding-bottom: 60px;
}

.brand-overlay {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 10;
  background: rgba(10, 14, 20, 0.6);
  padding: 8px 14px;
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  font-size: clamp(20px, 2.5vw, 32px);
}

.menu-overlay {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
}

.speaker-overlay {
  position: absolute;
  top: 16px;
  right: 60px;
  z-index: 10;
  background: rgba(10, 14, 20, 0.6);
  padding: 6px 14px;
  font-size: 0.9rem;
  color: var(--steel);
}

.stage {
  position: relative;
  background: linear-gradient(160deg, #0d1420 0%, #0b0f16 55%, #101b29 100%);
  overflow: hidden;
  height: calc(100vh - 60px);
}

.space-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.stage-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.transcript-panel {
  position: absolute;
  left: 18px;
  bottom: 18px;
  width: var(--transcript-width, min(420px, 55vw));
  background: rgba(9, 12, 18, var(--transcript-opacity, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  padding: var(--transcript-padding, 14px 16px);
  display: grid;
  gap: 8px;
  font-size: var(--transcript-font-size, 0.85rem);
  line-height: var(--transcript-line-height, 1.4);
  color: #e6e9f0;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
}

.transcript-line {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.transcript-speaker {
  color: var(--steel);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  min-width: 90px;
}

.transcript-speaker-hidden {
  visibility: hidden;
}

.transcript-text {
  color: #f1f4ff;
  user-select: text;
  -webkit-user-select: text;
  cursor: text;
}

.speaker-list {
  display: none;
}

.speaker-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
}

.chip-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.35);
}

.transport {
  background: transparent;
  border-radius: 0;
  border: none;
  padding: 0;
  display: block;
  box-shadow: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 10;
}

.control-button {
  border: none;
  background: rgba(20, 25, 35, 0.85);
  color: var(--steel);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 0;
  cursor: pointer;
  box-shadow: none;
  font-size: 0.8rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.control-button:hover {
  background: rgba(30, 38, 50, 0.95);
  color: #fff;
}

.timecode {
  font-variant-numeric: tabular-nums;
  color: var(--steel);
  font-size: 0.75rem;
}

.spectrogram-wrap {
  position: relative;
  height: 50px;
  border-radius: 0;
  background: #05070b;
  overflow: hidden;
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  cursor: ew-resize;
  touch-action: none;
}

.spectrogram {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.spectrogram.overlay {
  pointer-events: none;
}

.scrub-hint {
  display: none;
}

.menu-button {
  border: none;
  background: rgba(10, 14, 20, 0.6);
  color: #e6e9f0;
  padding: 8px 14px;
  font-size: 1.2rem;
  cursor: pointer;
}

.menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: rgba(9, 12, 18, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0;
  padding: 12px 14px;
  min-width: 200px;
  display: none;
  gap: 10px;
  color: #e6e9f0;
  z-index: 10;
}

.menu-panel.open {
  display: grid;
}

.menu-title {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
}

.menu-row {
  display: grid;
  gap: 6px;
  font-size: 0.8rem;
}

.menu-row-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

.menu-row-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.menu-row input[type="range"] {
  width: 100%;
}

/* Embedded waveform mode */
.embedded-waveform {
  display: none;
  position: absolute;
  left: 18px;
  bottom: 18px;
  width: var(--transcript-width, min(420px, 55vw));
  height: 25%;
  background: rgba(5, 7, 11, 0.9);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  cursor: ew-resize;
  touch-action: none;
}

.app.waveform-embedded .embedded-waveform {
  display: block;
}

.app.waveform-embedded .transcript-panel {
  bottom: calc(25% + 28px);
}

.app.waveform-embedded .transport .spectrogram-wrap {
  display: none;
}

.app.waveform-embedded .transport .scrub-hint {
  display: none;
}

.spectrogram-wrap.loading::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(85, 230, 193, 0.15) 50%,
    transparent 100%
  );
  animation: shimmer 1.5s infinite;
  z-index: 1;
}

.spectrogram-wrap.loading::after {
  content: "Loading waveform...";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel);
  font-size: 0.85rem;
  z-index: 2;
  pointer-events: none;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .now-playing {
    align-self: stretch;
    text-align: left;
  }

  .speaker-list {
    position: static;
    margin: 16px;
  }

  .transcript-panel {
    position: static;
    width: auto;
    margin: 16px;
  }
}