*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #101010;
  --fg: #f2f2f2;
  --accent: #ffcc33;
  --accent-soft: rgba(255, 204, 51, 0.2);
  --accent-strong: #ffdd66;
  --muted: #555;
  --border: #2a2a2a;
  --danger: #ff5555;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
}

body {
  display: flex;
  justify-content: center;
  align-items: stretch;
}

#app {
  width: 100%;
  max-width: 480px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 10px 12px;
  gap: 10px;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.title {
  padding: 6px 10px;
  border: 1px solid var(--border);
  background: #181818;
}

.status {
  color: var(--muted);
  font-size: 11px;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--border);
  padding: 6px 8px;
  background: #141414;
}

.file-label {
  position: relative;
  display: inline-flex;
}

.file-label input {
  position: absolute;
  opacity: 0;
  inset: 0;
}

.file-button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: #202020;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.file-button:active {
  background: #303030;
}

.file-name {
  flex: 1;
  text-align: right;
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-garden {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 4px 6px;
  background: #181818;
  white-space: nowrap;
  cursor: pointer;
}

.file-garden:disabled {
  opacity: 0.5;
  cursor: default;
}

.file-garden:active {
  background: #252525;
}

.controls {
  border: 1px solid var(--border);
  background: #141414;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.controls .row {
  display: flex;
  gap: 4px;
}

.mode-btn {
  flex: 1;
  padding: 6px 4px;
  border: 1px solid var(--border);
  background: #181818;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mode-btn.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

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

.meters {
  margin-top: 2px;
}

.meter {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 10px;
}

.meter label {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.meter input[type="range"] {
  width: 100%;
}

.meter-value {
  font-size: 10px;
  text-align: right;
  color: var(--fg);
}

#swingMeter.disabled {
  opacity: 0.35;
}

.transport {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--border);
  background: #141414;
  padding: 6px 8px;
}

.transport-btn {
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: #202020;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  min-width: 90px;
}

.transport-btn:disabled {
  opacity: 0.4;
}

.transport-btn:not(:disabled).playing {
  border-color: var(--danger);
  color: var(--danger);
}

.time-readout {
  font-size: 11px;
  color: var(--muted);
  display: flex;
  gap: 4px;
}

.grid {
  flex: 1;
  border: 1px solid var(--border);
  background: #101010;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  align-items: stretch;
  gap: 1px;
  padding: 3px;
}

.grid-cell {
  background: #181818;
  position: relative;
}

.grid-cell.keep {
  background: #222;
}

.grid-cell.cut {
  background: #070707;
  opacity: 0.4;
}

.grid-cell.playing {
  outline: 1px solid var(--accent);
}

.grid-cell::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.0;
  transition: opacity 0.15s;
}

.grid-cell.playing::after {
  background: var(--accent-soft);
  opacity: 1;
}

@media (max-width: 400px) {
  .title {
    font-size: 11px;
  }
  .status {
    display: none;
  }
  .file-name {
    display: none;
  }
}