@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

.rmz-player {
  --rmz-accent: #4A90C4;
  --rmz-bg: #0d1117;
  --rmz-surface: #161b22;
  --rmz-surface2: #1c2128;
  --rmz-border: rgba(255,255,255,.08);
  --rmz-text: #e6edf3;
  --rmz-muted: rgba(230,237,243,.5);
  --rmz-card-bg: #1c2128;
  --rmz-card-hover: #242b33;
  --rmz-card-active-bg: rgba(74,144,196,.15);
  --rmz-card-active-border: rgba(74,144,196,.5);
  --rmz-wave: rgba(74,144,196,.7);
  --rmz-radius: 16px;
  --rmz-radius-sm: 10px;

  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--rmz-bg);
  color: var(--rmz-text);
  border-radius: 20px;
  overflow: hidden;
  max-width: 600px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
}

.rmz-player *, .rmz-player *::before, .rmz-player *::after {
  box-sizing: border-box;
  margin: 0; padding: 0;
}

/* Light mode */
.rmz-player.rmz-light {
  --rmz-bg: #f0f4f8;
  --rmz-surface: #ffffff;
  --rmz-surface2: #f6f8fa;
  --rmz-border: rgba(0,0,0,.08);
  --rmz-text: #1c2128;
  --rmz-muted: rgba(28,33,40,.5);
  --rmz-card-bg: #ffffff;
  --rmz-card-hover: #f0f4f8;
  --rmz-card-active-bg: rgba(74,144,196,.1);
  --rmz-card-active-border: rgba(74,144,196,.4);
  --rmz-wave: rgba(74,144,196,.8);
}

/* ── HEADER ── */
.rmz-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 20px 16px;
  border-bottom: 1px solid var(--rmz-border);
}
.rmz-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--rmz-text);
  letter-spacing: -.3px;
  line-height: 1.2;
}
.rmz-sub {
  font-size: 13px;
  color: var(--rmz-muted);
  margin-top: 4px;
  font-weight: 300;
}
.rmz-dark-toggle {
  background: var(--rmz-surface2);
  border: 1px solid var(--rmz-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rmz-muted);
  cursor: pointer;
  flex-shrink: 0;
  margin-left: 12px;
  transition: background .2s, color .2s;
}
.rmz-dark-toggle:hover { background: var(--rmz-card-hover); color: var(--rmz-text); }

/* ── SOUND GRID ── */
.rmz-sound-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 16px;
}
.rmz-sound-grid[data-cols="3"] { grid-template-columns: repeat(3, 1fr); }

/* ── SOUND CARD ── */
.rmz-sound-card {
  background: var(--rmz-card-bg);
  border: 1px solid var(--rmz-border);
  border-radius: var(--rmz-radius);
  padding: 18px 14px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: background .18s, border-color .18s, transform .15s;
  position: relative;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  min-height: 110px;
}
.rmz-sound-card:hover:not(:disabled) {
  background: var(--rmz-card-hover);
  transform: translateY(-1px);
}
.rmz-sound-card:active:not(:disabled) { transform: scale(.97); }
.rmz-sound-card.rmz-active {
  background: var(--rmz-card-active-bg);
  border-color: var(--rmz-card-active-border);
}
.rmz-sound-card:disabled {
  opacity: .45;
  cursor: not-allowed;
}
.rmz-card-icon {
  font-size: 28px;
  line-height: 1;
  display: block;
}
.rmz-card-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--rmz-text);
  text-align: center;
  line-height: 1.3;
}
.rmz-sound-card.rmz-active .rmz-card-name { color: var(--rmz-accent); }

/* Waveform animation */
.rmz-waveform {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 14px;
  opacity: 0;
  transition: opacity .3s;
}
.rmz-sound-card.rmz-active .rmz-waveform { opacity: 1; }
.rmz-waveform span {
  display: block;
  width: 3px;
  border-radius: 2px;
  background: var(--rmz-accent);
  height: 4px;
  animation: none;
}
.rmz-sound-card.rmz-active .rmz-waveform span { animation: rmz-wave 1s ease-in-out infinite; }
.rmz-waveform span:nth-child(1) { animation-delay: 0s; }
.rmz-waveform span:nth-child(2) { animation-delay: .15s; }
.rmz-waveform span:nth-child(3) { animation-delay: .3s; }
.rmz-waveform span:nth-child(4) { animation-delay: .15s; }
.rmz-waveform span:nth-child(5) { animation-delay: 0s; }
@keyframes rmz-wave {
  0%,100% { height: 4px; }
  50%      { height: 14px; }
}

.rmz-soon-badge {
  position: absolute;
  top: 8px; right: 8px;
  background: rgba(255,255,255,.1);
  color: var(--rmz-muted);
  font-size: 10px;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 99px;
}

/* ── MIXER ── */
.rmz-mixer {
  margin: 0 16px 4px;
  background: var(--rmz-surface);
  border: 1px solid var(--rmz-border);
  border-radius: var(--rmz-radius);
  padding: 14px 16px;
}
.rmz-mixer-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--rmz-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}
.rmz-mixer-track {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.rmz-mixer-track:last-child { margin-bottom: 0; }
.rmz-track-icon { font-size: 18px; text-align: center; }
.rmz-track-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--rmz-border);
  outline: none;
  cursor: pointer;
}
.rmz-track-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--rmz-accent);
  cursor: pointer;
  border: 2px solid var(--rmz-bg);
  box-shadow: 0 0 0 2px var(--rmz-accent);
}
.rmz-track-slider::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--rmz-accent);
  cursor: pointer;
  border: 2px solid var(--rmz-bg);
}
.rmz-track-vol {
  font-size: 11px;
  color: var(--rmz-muted);
  min-width: 28px;
  text-align: right;
}
.rmz-track-stop {
  background: none;
  border: 1px solid var(--rmz-border);
  border-radius: 6px;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  color: var(--rmz-muted);
  cursor: pointer;
  font-size: 10px;
  transition: all .15s;
}
.rmz-track-stop:hover { border-color: #e74c3c; color: #e74c3c; background: rgba(231,76,60,.1); }

/* ── SLEEP TIMER ── */
.rmz-timer-section {
  margin: 4px 16px 0;
  padding: 14px 16px;
  background: var(--rmz-surface);
  border: 1px solid var(--rmz-border);
  border-radius: var(--rmz-radius);
}
.rmz-timer-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--rmz-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}
.rmz-timer-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.rmz-timer-btn {
  background: var(--rmz-surface2);
  border: 1px solid var(--rmz-border);
  border-radius: var(--rmz-radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--rmz-text);
  cursor: pointer;
  transition: all .15s;
  font-family: 'Inter', sans-serif;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.rmz-timer-btn:hover { background: var(--rmz-card-hover); border-color: var(--rmz-accent); color: var(--rmz-accent); }
.rmz-timer-btn.rmz-active {
  background: rgba(74,144,196,.15);
  border-color: var(--rmz-accent);
  color: var(--rmz-accent);
}
.rmz-timer-countdown {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding: 8px 12px;
  background: rgba(74,144,196,.1);
  border-radius: var(--rmz-radius-sm);
}
#rmz-countdown-text {
  font-size: 20px;
  font-weight: 600;
  color: var(--rmz-accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}
.rmz-timer-cancel {
  background: none;
  border: 1px solid var(--rmz-border);
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--rmz-muted);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
}
.rmz-timer-cancel:hover { border-color: #e74c3c; color: #e74c3c; }

/* ── NOW PLAYING BAR ── */
.rmz-now-playing {
  margin: 10px 16px 0;
  padding: 10px 14px;
  background: rgba(74,144,196,.1);
  border: 1px solid rgba(74,144,196,.25);
  border-radius: var(--rmz-radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--rmz-accent);
  font-weight: 500;
}
.rmz-np-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--rmz-accent);
  flex-shrink: 0;
  animation: rmz-pulse 1.5s ease-in-out infinite;
}
@keyframes rmz-pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .5; transform: scale(1.3); }
}
#rmz-np-text { flex: 1; font-size: 12px; color: var(--rmz-muted); }
.rmz-stop-all {
  background: none;
  border: 1px solid rgba(74,144,196,.3);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--rmz-accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  transition: all .15s;
}
.rmz-stop-all:hover { background: rgba(231,76,60,.1); border-color: #e74c3c; color: #e74c3c; }

/* ── EMPTY STATE ── */
.rmz-empty {
  padding: 40px 24px;
  text-align: center;
}
.rmz-empty-icon { font-size: 40px; margin-bottom: 12px; opacity: .5; }
.rmz-empty-title { font-size: 16px; font-weight: 500; margin-bottom: 6px; }
.rmz-empty-sub { font-size: 13px; color: var(--rmz-muted); line-height: 1.6; }

/* ── FOOTER ── */
.rmz-footer {
  padding: 12px 20px;
  text-align: center;
  border-top: 1px solid var(--rmz-border);
  margin-top: 14px;
}
.rmz-footer a {
  font-size: 11px;
  color: var(--rmz-muted);
  text-decoration: none;
  opacity: .5;
}
.rmz-footer a:hover { opacity: 1; }

/* ── MOBILE ── */
@media (max-width: 480px) {
  .rmz-sound-grid { gap: 8px; padding: 12px; }
  .rmz-sound-card { padding: 16px 10px 12px; min-height: 100px; border-radius: 14px; }
  .rmz-card-icon { font-size: 26px; }
  .rmz-card-name { font-size: 11px; }
  .rmz-header { padding: 18px 14px 14px; }
  .rmz-title { font-size: 16px; }
  .rmz-mixer, .rmz-timer-section, .rmz-now-playing { margin-left: 12px; margin-right: 12px; }
  .rmz-timer-btn { padding: 7px 11px; font-size: 12px; }
  .rmz-track-slider::-webkit-slider-thumb { width: 22px; height: 22px; }
}

/* ── TRANSITIONS ── */
.rmz-player, .rmz-player * { transition-property: background-color, border-color, color, opacity; transition-duration: .25s; }
.rmz-sound-card { transition: background .18s, border-color .18s, transform .15s, opacity .18s; }
.rmz-waveform span { transition: height .3s; }