/* playground/styles.css */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0a0a0a;
  --fg: #e0e0e0;
  --fg-dim: gray;
  --border: #333;
  --accent: #fff;
  --font: "SF Mono", "Menlo", "Monaco", "Consolas", "Liberation Mono", monospace;
}

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  height: 100%;
  font-size: 12px;
  line-height: 1.5;
}

#app {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  padding: 16px;
}

header {
  display: flex;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
  gap: 8px;
  padding-bottom: 8px;
}

header h1 {
  letter-spacing: -.5px;
  font-size: 14px;
  font-weight: 600;
}

header .version {
  color: var(--fg-dim);
  font-size: 10px;
}

main {
  display: flex;
  flex: 1;
  gap: 16px;
  min-height: 0;
}

.player-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 8px;
  min-width: 0;
}

.video-wrapper {
  position: relative;
  background: var(--canvas-bg, transparent);
  background-image: var(--canvas-pattern, repeating-conic-gradient(#1a1a1a 0% 25%, #0f0f0f 0% 50%));
  border: 1px solid var(--border);
  display: flex;
  overflow: hidden;
  background-size: 16px 16px;
  flex: 1;
  justify-content: center;
  align-items:  center;
}

.video-wrapper.has-video {
  background: #000;
}

#video {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

#video:not([src]), #video[src=""] {
  display: none;
}

#subtitle-canvas-2d, #subtitle-canvas-webgl, #subtitle-canvas-webgpu {
  position: absolute;
  pointer-events: none;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.controls {
  display: flex;
  border: 1px solid var(--border);
  background: var(--bg);
  flex-wrap: wrap;
  align-items:  center;
  gap: 8px;
  padding: 8px;
}

#play-pause {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items:  center;
  width: 32px;
  height: 24px;
  font-size: 10px;
}

#play-pause:hover {
  border-color: var(--accent);
}

#timeline {
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  cursor: pointer;
  flex: 1;
  height: 4px;
}

#timeline::-webkit-slider-thumb {
  -webkit-appearance: none;
  background: var(--fg);
  cursor: pointer;
  width: 12px;
  height: 12px;
}

#timeline::-moz-range-thumb {
  background: var(--fg);
  cursor: pointer;
  border: none;
  width: 12px;
  height: 12px;
}

#time-display {
  color: var(--fg-dim);
  white-space: nowrap;
  text-align: right;
  min-width: 140px;
  font-size: 10px;
}

.toggle {
  display: flex;
  color: var(--fg-dim);
  white-space: nowrap;
  align-items:  center;
  gap: 6px;
  margin-left: auto;
  font-size: 10px;
}

.toggle input {
  accent-color: var(--fg);
}

.select {
  display: flex;
  color: var(--fg-dim);
  white-space: nowrap;
  align-items:  center;
  gap: 6px;
  font-size: 10px;
}

.controls .select select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font);
  height: 24px;
  padding: 4px 6px;
  font-size: 10px;
}

.panel {
  display: flex;
  overflow-y: auto;
  flex-direction: column;
  gap: 16px;
  width: 280px;
}

.panel section {
  border: 1px solid var(--border);
  padding: 12px;
}

.panel h2 {
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--fg-dim);
  margin-bottom: 12px;
  font-size: 10px;
  font-weight: 600;
}

.file-inputs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-btn, #local-fonts-btn {
  display: flex;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  cursor: pointer;
  font-family: var(--font);
  justify-content: center;
  align-items:  center;
  padding: 8px 12px;
  transition: border-color .15s;
  font-size: 11px;
}

.file-btn:hover, #local-fonts-btn:hover {
  border-color: var(--accent);
}

.file-btn input {
  display: none;
}

.status-row {
  display: flex;
  border-bottom: 1px solid var(--border);
  gap: 8px;
  padding: 4px 0;
}

.status-row:last-child {
  border-bottom: none;
}

.status-row .label {
  color: var(--fg-dim);
  min-width: 60px;
}

.status-row .value {
  word-break: break-all;
  flex: 1;
}

.bg-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.bg-controls label {
  display: flex;
  color: var(--fg-dim);
  flex-direction: column;
  gap: 6px;
  font-size: 10px;
}

.bg-controls select, .bg-controls input[type="color"] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font);
  height: 28px;
  padding: 6px;
  font-size: 11px;
}

.bg-controls input[type="color"] {
  cursor: pointer;
  padding: 2px;
}

.perf-graphs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.graph {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.graph-label {
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: .8px;
  font-size: 9px;
}

.graph canvas {
  border: 1px solid var(--border);
  background: #0f0f0f;
  width: 100%;
  height: 60px;
}

#font-list {
  list-style: none;
  overflow-y: auto;
  max-height: 200px;
}

#font-list li {
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 11px;
}

#font-list li:last-child {
  border-bottom: none;
}

#font-list .font-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

#font-list .font-source {
  color: var(--fg-dim);
  margin-left: 8px;
  font-size: 9px;
}

#log-container {
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 150px;
  padding: 12px;
}

#log-container h2 {
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--fg-dim);
  margin-bottom: 8px;
  font-size: 10px;
  font-weight: 600;
}

#log {
  overflow-y: auto;
  color: var(--fg-dim);
  flex: 1;
  font-size: 10px;
  line-height: 1.6;
}

#log .error {
  color: #ff6b6b;
}

#log .info {
  color: var(--fg);
}

#log .warn {
  color: #ffd93d;
}

@media (max-width: 900px) {
  main {
    flex-direction: column;
  }

  .panel {
    flex-flow: wrap;
    width: 100%;
  }

  .panel section {
    flex: 1;
    min-width: 200px;
  }
}