/* MotherLEDisa — Dark Theme */
:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c2333;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --primary: #58a6ff;
  --primary-hover: #79b8ff;
  --success: #3fb950;
  --danger: #f85149;
  --accent: #bc8cff;
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

#app {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1rem 2rem;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}

.dot.disconnected { background: var(--danger); }
.dot.connected { background: var(--success); animation: pulse 2s infinite; }

@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Tabs */
#tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1rem;
  overflow-x: auto;
  scrollbar-width: none;
}
#tabs::-webkit-scrollbar { display: none; }

.tab {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Panels */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.panel h2 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.panel-header h2 { margin-bottom: 0; }

.panel-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.hint {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: background 0.12s, border-color 0.12s;
  white-space: nowrap;
}

.btn:hover { background: var(--border); }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: #000; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); color: #000; border-color: var(--success); }
.btn-success:hover { opacity: 0.9; }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { opacity: 0.9; }
.btn-small { padding: 0.3rem 0.6rem; font-size: 0.75rem; }
.btn-icon { padding: 0.4rem 0.7rem; font-weight: 700; }
.btn-wide { min-width: 160px; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* Inputs */
.select-target {
  width: 100%;
  padding: 0.45rem 0.6rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.8rem;
}

.input-small {
  width: 72px;
  padding: 0.25rem 0.4rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 0.8rem;
}

.input-grow {
  flex: 1;
  padding: 0.45rem 0.6rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.85rem;
}

.input-hex {
  width: 72px;
  padding: 0.3rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 0.8rem;
  text-align: center;
  font-family: monospace;
}

.input-color {
  width: 32px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface-2);
  cursor: pointer;
  padding: 0;
}

/* Sliders */
.slider-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  outline: none;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--bg);
}

.slider-accent::-webkit-slider-thumb { background: var(--accent); }

.slider-val {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 36px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.slider-label-left, .slider-label-right {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Control Tab */
.control-top-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.control-top-row .select-target { flex: 1; }

.power-btns {
  display: flex;
  gap: 0.35rem;
}

/* Color Picker */
.color-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.color-panel h2 { align-self: flex-start; }

#color-wheel {
  cursor: crosshair;
  border-radius: 50%;
  margin: 0.5rem 0;
}

.color-info-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.color-swatch {
  width: 32px; height: 32px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  background: #ff0000;
}

/* Quick color swatches */
.quick-colors {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.qcolor {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: transform 0.1s, border-color 0.15s;
  padding: 0;
}

.qcolor:hover {
  transform: scale(1.2);
  border-color: rgba(255,255,255,0.6);
}

.qcolor.active {
  border-color: #fff;
  transform: scale(1.15);
  box-shadow: 0 0 8px rgba(255,255,255,0.3);
}

/* Device empty state */
.device-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
}

.device-empty-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  opacity: 0.5;
}

.device-empty p {
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
}

.device-empty .hint { font-size: 0.75rem; max-width: 400px; margin: 0 auto; }

.ble-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  padding: 0.3rem 0;
}

.ble-check-ok { color: var(--success); }
.ble-check-fail { color: var(--danger); }

/* Device cards */
.device-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.8rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 0.5rem;
}

.device-card:hover { border-color: var(--primary); }
.device-name { font-weight: 600; font-size: 0.9rem; }
.device-id { font-size: 0.7rem; color: var(--text-muted); font-family: monospace; }

/* Effect Grid */
.effect-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.4rem;
}

.effect-btn {
  padding: 0.5rem 0.4rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  font-size: 0.75rem;
  text-align: center;
  transition: all 0.12s;
  line-height: 1.3;
}

.effect-btn:hover { border-color: var(--primary); background: rgba(88,166,255,0.08); }
.effect-btn.active { border-color: var(--primary); background: rgba(88,166,255,0.15); color: var(--primary); }
.effect-btn.effect-none { border-color: var(--accent); }

.effect-cat-divider {
  grid-column: 1 / -1;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.4rem 0 0.1rem;
  border-bottom: 1px solid var(--border);
}

/* Sound Reactive */
.sound-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.sound-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
}

.sound-status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--danger);
  transition: background 0.2s;
}

.sound-status.on .sound-status-dot {
  background: var(--success);
  animation: pulse 1.5s infinite;
}

.sound-effect-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 0.4rem;
}

.sound-effect-btn {
  padding: 0.6rem 0.4rem;
  background: var(--surface-2);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  font-size: 0.8rem;
  text-align: center;
  transition: all 0.12s;
}

.sound-effect-btn:hover { border-color: var(--accent); }
.sound-effect-btn.active { border-color: var(--accent); background: rgba(188,140,255,0.12); color: var(--accent); }

/* Timeline */
#timeline-container {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 0.5rem;
  user-select: none;
}

#time-ruler {
  width: 100%;
  display: block;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

#timeline-tracks { min-height: 200px; }

.track {
  display: flex;
  height: 38px;
  border-bottom: 1px solid var(--border);
}

.track:last-child { border-bottom: none; }

.track-label {
  width: 56px;
  padding: 0 0.3rem;
  font-size: 0.65rem;
  color: var(--text-muted);
  flex-shrink: 0;
  text-align: center;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.track-lane {
  flex: 1;
  position: relative;
  height: 100%;
  cursor: pointer;
}

.keyframe-marker {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 12px; height: 12px;
  border-radius: 3px;
  border: 2px solid rgba(255,255,255,0.8);
  cursor: grab;
  z-index: 2;
  transition: transform 0.08s;
}

.keyframe-marker:hover { transform: translate(-50%, -50%) scale(1.3); }
.keyframe-marker.selected {
  box-shadow: 0 0 0 2px var(--primary);
  transform: translate(-50%, -50%) scale(1.2);
}

#playhead-line {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--danger);
  z-index: 4;
  pointer-events: none;
  left: 56px;
  transition: left 0.03s linear;
}

#scrubber-handle {
  position: absolute;
  top: 0;
  width: 14px; height: 14px;
  background: var(--danger);
  border: 2px solid #fff;
  border-radius: 50%;
  z-index: 6;
  cursor: ew-resize;
  transform: translate(-50%, -1px);
  left: 56px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

/* Transport bar */
.transport-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.transport-left { display: flex; gap: 0.25rem; }
.transport-center { flex: 1; text-align: center; }
.transport-right {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.transport-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.transport-live {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  cursor: pointer;
}

.btn-transport {
  width: 32px; height: 28px;
  padding: 0;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.time-display {
  font-size: 0.8rem;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  font-family: monospace;
  font-weight: 600;
}

/* Keyframe toolbar */
.kf-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.5rem;
  flex-wrap: wrap;
}

.kf-toolbar-left {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.kf-toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.kf-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.kf-info-text {
  font-style: italic;
}

.kf-time-label {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  font-family: monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.input-tiny {
  width: 52px;
  padding: 0.15rem 0.25rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-size: 0.7rem;
  font-family: monospace;
  text-align: right;
}

.input-tiny:disabled { opacity: 0.4; }

.anim-main-panel { padding-bottom: 0.5rem; }

.template-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.anim-template {
  background: linear-gradient(135deg, var(--surface-2), var(--border));
  border-color: var(--border);
}

.anim-template:hover {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--surface-2), rgba(188,140,255,0.15));
}

.save-row { display: flex; gap: 0.5rem; }

.anim-preview-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #111;
  overflow: hidden;
  flex-shrink: 0;
}

/* Presets */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
}

.preset-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
}

.preset-card:hover { border-color: var(--primary); }
.preset-card h3 { font-size: 0.85rem; margin-bottom: 0.15rem; }
.preset-meta { font-size: 0.7rem; color: var(--text-muted); margin-bottom: 0.4rem; }

.preset-preview {
  height: 32px;
  border-radius: 4px;
  margin-bottom: 0.4rem;
  overflow: hidden;
}

.preset-actions { display: flex; gap: 0.3rem; }
.preset-actions-top { display: flex; gap: 0.35rem; }

/* Sound source tabs */
.sound-source-tabs {
  display: flex;
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.sound-src-tab {
  flex: 1;
  padding: 0.6rem 0.75rem;
  background: var(--surface-2);
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.15s;
}

.sound-src-tab:not(:last-child) { border-right: 1px solid var(--border); }
.sound-src-tab:hover { color: var(--text); }
.sound-src-tab.active { background: var(--primary); color: #000; }

.sound-section { display: none; }
.sound-section.active { display: block; }

.color-pair-row {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.color-pair-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.color-pair-label .input-color { width: 40px; height: 32px; }

.audio-src-row {
  display: flex;
  gap: 1.5rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
}

.radio-label input[type="radio"] {
  accent-color: var(--accent);
}

.viz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.viz-header h2 { margin-bottom: 0; }

.viz-swatch {
  width: 40px;
  height: 24px;
  border-radius: 4px;
  border: 2px solid var(--border);
  background: #000;
  transition: background 0.1s;
}

#audio-viz {
  width: 100%;
  height: 100px;
  border-radius: var(--radius);
  background: #0a0e14;
  display: block;
}

/* Dev / Protocol Explorer */
.dev-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.dev-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.mono { font-family: monospace; }

.dev-section-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0.75rem 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dev-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.dev-exp { font-size: 0.7rem; }

.dev-log {
  background: #0a0e14;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  font-family: monospace;
  font-size: 0.7rem;
  color: var(--success);
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 60px;
}

.dev-log .log-err { color: var(--danger); }
.dev-log .log-info { color: var(--primary); }

.dev-auto-status {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

.dev-progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-top: 0.5rem;
  overflow: hidden;
}

.dev-progress-fill {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: width 0.3s;
  border-radius: 2px;
}

/* Responsive */
@media (max-width: 700px) {
  .panel-row { grid-template-columns: 1fr; }
  #app { padding: 0 0.5rem 1rem; }
  header h1 { font-size: 1.1rem; }
  .tab { padding: 0.5rem 0.6rem; font-size: 0.75rem; }
  .effect-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
  .sound-effect-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
}