@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Bebas+Neue&display=swap');

:root {
  --bg: #080808;
  --panel: #111111;
  --border: #222;
  --accent: #00ffaa;
  --accent2: #ff2d6e;
  --text: #e0e0e0;
  --muted: #555;
}

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

body {
  background: #000;
  color: var(--text);
  font-family: 'Space Mono', monospace;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 24px;
  padding: 20px;
  flex-wrap: wrap;
}

.phone-frame {
  position: relative;
  width: 315px;
  height: 560px;
  border-radius: 32px;
  border: 2px solid #333;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0,255,170,0.08), 0 0 120px rgba(255,45,110,0.05);
  flex-shrink: 0;
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

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

.mode-label {
  position: absolute;
  top: 16px;
  left: 0;
  right: 0;
  text-align: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 13px;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.2);
  pointer-events: none;
}

.freq-bars {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0.4;
  transform-origin: left;
  transition: transform 0.05s;
}

.controls {
  width: 280px;
  flex-shrink: 0;
}

.controls-header {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.section {
  margin-bottom: 24px;
}

.section-title {
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.mode-options {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
  align-items: center;
}

.opt-label {
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  text-transform: uppercase;
  user-select: none;
}

.opt-label input[type=checkbox] {
  accent-color: var(--accent);
  cursor: pointer;
  width: 11px;
  height: 11px;
}

.cycle-row {
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
}

.cycle-row input[type=number] {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  padding: 2px 5px;
  border-radius: 3px;
  width: 40px;
  text-align: center;
  outline: none;
}

.mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.mode-scroll {
  max-height: 152px;
  overflow-y: auto;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.mode-scroll::-webkit-scrollbar { width: 4px; }
.mode-scroll::-webkit-scrollbar-track { background: transparent; }
.mode-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.mode-btn {
  padding: 9px 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
  text-align: center;
}

.mode-btn:hover { border-color: var(--accent); color: var(--accent); }
.mode-btn.active {
  background: rgba(0,255,170,0.08);
  border-color: var(--accent);
  color: var(--accent);
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.slider-label {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--muted);
  width: 90px;
  flex-shrink: 0;
  text-transform: uppercase;
}

input[type=range] {
  flex: 1;
  -webkit-appearance: none;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid #000;
  box-shadow: 0 0 6px var(--accent);
}

.slider-val {
  font-size: 10px;
  color: var(--accent);
  width: 28px;
  text-align: right;
}

.dual-range-wrap {
  position: relative;
  height: 24px;
  margin-bottom: 6px;
}

.dual-range-track {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  transform: translateY(-50%);
  pointer-events: none;
}

.dual-range-fill {
  position: absolute;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 6px var(--accent);
}

.dual-range-wrap input[type=range] {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  background: transparent;
  pointer-events: none;
}

.dual-range-wrap input[type=range]::-webkit-slider-thumb {
  pointer-events: all;
}

.dual-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--accent);
  margin-top: 2px;
}

.color-grid {
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.color-grid::-webkit-scrollbar { display: none; }

.color-swatch {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.15s;
  position: relative;
}

.color-swatch.active {
  border-color: #fff;
  transform: scale(1.15);
}

.color-swatch:hover { transform: scale(1.1); }

.mic-btn {
  width: 100%;
  padding: 11px;
  background: transparent;
  border: 1px solid var(--accent2);
  color: var(--accent2);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  cursor: pointer;
  border-radius: 4px;
  text-transform: uppercase;
  transition: all 0.2s;
  margin-bottom: 8px;
}

.mic-btn:hover, .mic-btn.active {
  background: rgba(255,45,110,0.1);
  box-shadow: 0 0 20px rgba(255,45,110,0.2);
}

.mic-btn.active { color: #fff; border-color: #fff; }

.mic-status {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--muted);
  text-align: center;
  height: 14px;
}

.mic-status.on { color: var(--accent); }

.bg-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}

.bg-btn {
  padding: 7px 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  font-size: 8px;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.15s;
  text-align: center;
}

.bg-btn:hover { border-color: var(--accent2); color: var(--accent2); }
.bg-btn.active { background: rgba(255,45,110,0.08); border-color: var(--accent2); color: var(--accent2); }

.fullscreen-btn {
  width: 100%;
  padding: 11px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: 2px;
  cursor: pointer;
  border-radius: 4px;
  text-transform: uppercase;
  transition: all 0.2s;
  margin-top: 12px;
}

.fullscreen-btn:hover { border-color: var(--text); color: var(--text); }

.upload-btn {
  width: 100%;
  padding: 11px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  cursor: pointer;
  border-radius: 4px;
  text-transform: uppercase;
  transition: all 0.2s;
  margin-bottom: 8px;
}

.upload-btn:hover { background: rgba(0,255,170,0.1); box-shadow: 0 0 20px rgba(0,255,170,0.2); }

.track-name {
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--muted);
  text-align: center;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-name.loaded { color: var(--text); }

.playback-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.play-btn {
  padding: 8px;
  background: rgba(0,255,170,0.08);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}

.play-btn:hover { background: rgba(0,255,170,0.18); }

.stop-btn {
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}

.stop-btn:hover { border-color: var(--accent2); color: var(--accent2); }

.download-btn {
  grid-column: 1 / -1;
  padding: 8px;
  background: transparent;
  border: 1px solid #555;
  color: #888;
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: 2px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
  text-transform: uppercase;
}

.download-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,255,170,0.06);
}

@media (max-width: 680px) {
  body { flex-direction: column; align-items: center; }
  .controls { width: 315px; }
}