:root {
  --bg: #f4efe6;
  --panel: #fff9ef;
  --ink: #1f2022;
  --accent: #005f73;
  --accent-2: #e76f51;
  --line: #d7c9ae;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Gill Sans", sans-serif;
  background:
    radial-gradient(circle at 20% 10%, #fff3d6 0%, transparent 30%),
    radial-gradient(circle at 85% 15%, #ffd9c7 0%, transparent 30%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.app-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem;
}

.midi-tracks-active .app-shell {
  padding-bottom: 7.5rem;
}

.app-header h1 {
  margin: 0;
  letter-spacing: 0.03em;
}

.app-header p {
  margin-top: 0.35rem;
}

.stage {
  position: relative;
  margin-top: 1rem;
  border: 2px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #111;
  aspect-ratio: 16 / 9;
}

#camera-video,
#drawing-canvas,
#snapshot-preview,
#overlay-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#drawing-canvas {
  z-index: 2;
  touch-action: none;
}

#snapshot-preview {
  display: none;
  z-index: 2;
  pointer-events: none;
}

#overlay-canvas {
  pointer-events: none;
  z-index: 3;
}

.controls {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.mode-picker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--accent);
}

.mode-picker select {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  background: var(--panel);
  color: var(--ink);
}

.midi-controls {
  width: 100%;
  display: flex;
  align-items: end;
  gap: 0.75rem;
  flex-wrap: wrap;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
  background: rgb(255 249 239 / 75%);
}

.midi-controls[hidden] {
  display: none;
}

.midi-controls legend {
  padding: 0 0.35rem;
  color: var(--accent);
  font-weight: 700;
}

.midi-controls label {
  display: grid;
  gap: 0.3rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

.midi-controls select,
.midi-controls input {
  min-height: 2.25rem;
  min-width: 6.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.4rem 0.55rem;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
}

#midi-output {
  min-width: 12rem;
  max-width: 20rem;
}

.track-dock {
  position: fixed;
  bottom: 0;
  left: 50%;
  z-index: 5;
  width: min(100%, 1100px);
  margin: 0;
  padding: 0.75rem 1.25rem 1rem;
  border-top: 1px solid var(--line);
  background: rgb(244 239 230 / 96%);
  backdrop-filter: blur(10px);
  transform: translateX(-50%);
}

.track-dock[hidden] {
  display: none;
}

.track-buttons {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.5rem;
  max-width: 720px;
  margin: 0 auto;
}

.snapshot-toggle {
  display: block;
  margin: 0 auto 0.6rem;
}

.snapshot-toggle[aria-pressed="true"] {
  border-color: var(--accent-2);
  background: #ffe2d8;
}

.track-button {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1;
  min-width: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel);
  font-size: 1rem;
}

.track-button:hover {
  background: #f0f8fa;
}

.track-button[aria-pressed="true"] {
  border: 2px solid var(--accent);
  background: #dceff0;
}

.track-button[data-has-pattern="true"]::after {
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  content: "";
}

.track-button[data-recording="true"] {
  box-shadow: inset 0 0 0 2px var(--accent-2);
}

.track-button[data-snapshot="true"] {
  background: #e5f0df;
  border-color: #668c4a;
}

.track-button[aria-pressed="true"][data-snapshot="true"] {
  background: #dceff0;
  border-color: var(--accent);
}

.track-status {
  margin: 0.5rem 0 0;
  text-align: center;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

button {
  border: 1px solid var(--accent);
  background: var(--panel);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: #f0f8fa;
}

#status {
  margin: 0;
  color: var(--accent-2);
  font-weight: 600;
}

@media (max-width: 768px) {
  .app-shell {
    padding: 0.8rem;
  }

  .track-dock {
    width: 100vw;
    margin: 0;
    padding-right: 0.8rem;
    padding-left: 0.8rem;
  }

  .track-buttons {
    gap: 0.35rem;
  }
}