:root {
  --bg: #0d0d0f;
  --bg-elev: #17181c;
  --bg-elev-2: #20222a;
  --border: #2a2c36;
  --text: #ececf1;
  --text-dim: #8b8d99;
  --accent: #7c9cff;
  --accent-2: #5b7cff;
  --green: #4ade80;
  --red: #f87171;
  --yellow: #fbbf24;
  --radius: 10px;
  --pad: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
  min-height: 100vh;
  overscroll-behavior-y: contain;
}

a { color: var(--accent); text-decoration: none; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: env(safe-area-inset-top, 0) var(--pad) 0;
  padding-top: max(env(safe-area-inset-top, 12px), 12px);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand .tagline {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--pad);
  padding-bottom: 80px;
}

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

.btn {
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: var(--radius);
  font: inherit;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.12s ease, transform 0.05s ease;
}
.btn:hover:not(:disabled) { background: #292c36; }
.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: white;
  font-weight: 600;
}
.btn.primary:hover:not(:disabled) { background: var(--accent); }
.btn.small { padding: 6px 10px; font-size: 13px; }

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius);
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 14px;
  user-select: none;
}
.toggle input { accent-color: var(--accent-2); }

.rounds-input {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius);
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
}
.rounds-input input {
  width: 44px;
  background: transparent;
  color: var(--text);
  border: none;
  font: inherit;
  text-align: center;
  -moz-appearance: textfield;
}
.rounds-input input::-webkit-outer-spin-button,
.rounds-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.drop-overlay {
  position: fixed;
  inset: 0;
  background: rgba(91, 124, 255, 0.15);
  border: 3px dashed var(--accent);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  backdrop-filter: blur(2px);
}
.drop-overlay.hidden { display: none; }
.drop-overlay > div {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 32px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.status {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 8px;
  padding: 0 4px;
}
.status .sep { opacity: 0.4; }

.track-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.track {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  display: grid;
  grid-template-columns: 44px 1fr auto;
  grid-template-areas:
    "play title  meta"
    "play wave   wave"
    "play time   time";
  gap: 8px 12px;
  align-items: center;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.track.playing {
  border-color: var(--accent-2);
  background: #1a1d2c;
}
.track.quietest .track-meta .lufs {
  color: var(--green);
  font-weight: 600;
}
.track .play-btn {
  grid-area: play;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-2);
  color: white;
  border: none;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.12s, transform 0.06s;
}
.track .play-btn:hover { background: var(--accent); }
.track .play-btn:active { transform: scale(0.93); }
.track .play-btn:disabled { background: #444; cursor: wait; }

.track-title {
  grid-area: title;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.track-title .label {
  color: var(--text-dim);
  font-weight: 500;
  margin-right: 6px;
}
.track-meta {
  grid-area: meta;
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  gap: 10px;
  align-items: center;
  white-space: nowrap;
}
.track-meta .lufs { color: var(--text); }
.track-meta .adj { color: var(--accent); }
.track-meta .delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 6px;
}
.track-meta .delete:hover { color: var(--red); }

.waveform-wrap {
  grid-area: wave;
  position: relative;
  height: 48px;
  background: var(--bg-elev-2);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
}
.waveform-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.track-time {
  grid-area: time;
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
  font-variant-numeric: tabular-nums;
}

.track.loading { opacity: 0.7; }
.track.loading .waveform-wrap::after {
  content: "Analyzing…";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-dim);
}
.track.error { border-color: var(--red); }
.track.error .waveform-wrap::after {
  content: "Failed to load";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--red);
}

.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 40px 20px;
  font-size: 14px;
}
.empty.hidden { display: none; }
.empty .small { font-size: 12px; opacity: 0.7; margin-top: 4px; }

.blind-panel {
  position: sticky;
  bottom: 0;
  margin: 12px -14px -14px;
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  padding: 10px 14px env(safe-area-inset-bottom, 10px);
}
.blind-panel.hidden { display: none; }
.blind-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-dim);
}
.blind-actions { display: flex; gap: 6px; }

body.blind .track-title .filename { display: none; }
body.blind .track-meta .lufs,
body.blind .track-meta .adj { visibility: hidden; }
body.blind .track .vote-btn { display: inline-flex; }
.track .vote-btn {
  display: none;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
}
.track .vote-btn.voted {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: white;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal.hidden { display: none; }
.modal-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 400px;
  width: 100%;
}
.modal-card h2 { margin-top: 0; font-size: 18px; }
.modal-card ol {
  list-style: decimal;
  padding-left: 20px;
  margin: 12px 0;
}
.modal-card ol li {
  padding: 4px 0;
  font-size: 14px;
}
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

/* Share mode */
.share-header {
  margin-bottom: 16px;
  padding: 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.share-header.hidden { display: none; }
.share-header h2 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 700;
}
.share-message {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.4;
}
.share-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-dim);
}
.share-loading.hidden { display: none; }
.share-error {
  margin-top: 10px;
  padding: 10px;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid var(--red);
  border-radius: 6px;
  font-size: 13px;
  color: var(--red);
}
.share-error.hidden { display: none; }
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

body.share-mode #add-files-btn,
body.share-mode #clear-btn,
body.share-mode #drop-overlay { display: none; }
body.share-mode .track-meta .delete { display: none; }

.footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 11px;
  padding: 20px;
}

@media (max-width: 600px) {
  .toolbar { gap: 6px; }
  .btn { padding: 8px 12px; font-size: 14px; }
  .track {
    grid-template-columns: 40px 1fr;
    grid-template-areas:
      "play  title"
      "play  meta"
      "wave  wave"
      "time  time";
    gap: 6px 10px;
  }
  .track .play-btn { width: 40px; height: 40px; }
  .track-title { font-size: 13px; }
}