/*
VALL RADIO
Original design 
deep dark + violet accent 
*/

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

:root {
  --bg-0:  #06070d;
  --bg-1:  #0c0e18;
  --bg-2:  #111422;
  --bg-3:  #181c2c;
  --bg-4:  #1e2336;
  --accent:     #7c3aed;
  --accent-h:   #6d28d9;
  --accent-l:   #a78bfa;
  --accent-dim: rgba(124,58,237,0.12);
  --accent-bdr: rgba(124,58,237,0.28);
  --green: #10b981;
  --red:   #f43f5e;
  --border:  rgba(255,255,255,0.06);
  --border2: rgba(255,255,255,0.1);
  --t1: #f0f2f8;
  --t2: #8b90a8;
  --t3: #484e68;
  --topbar-h: 60px;
  --r:  12px;
  --rs: 8px;
  --rl: 18px;
  --tr: 0.22s ease;
}

html { height: 100%; }
body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg-0);
  color: var(--t1);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-dots {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.022) 1px, transparent 0);
  background-size: 26px 26px;
  pointer-events: none;
  z-index: 0;
}

.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-h);
  background: rgba(12,14,24,0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  padding: 0 36px;
  gap: 28px;
  z-index: 200;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
}

.brand-text {
  font-family: 'Outfit', sans-serif;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--t1);
}
.brand-text span { color: var(--accent-l); }

.station-tabs {
  display: flex;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rs);
  padding: 3px;
  gap: 2px;
}

.tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 16px;
  border: none;
  background: transparent;
  color: var(--t2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--tr);
  font-family: 'Space Grotesk', sans-serif;
}
.tab.active { background: var(--accent); color: #fff; }
.tab:not(.active):hover { background: var(--bg-3); color: var(--t1); }

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.listener-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--t2);
}

.nav-icon-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rs);
  color: var(--t2);
  font-size: 18px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--tr);
}
.nav-icon-btn:hover { background: var(--bg-3); color: var(--t1); border-color: var(--border2); }

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}
.live-dot.pulse {
  animation: livePulse 1.8s ease-in-out infinite;
}
@keyframes livePulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

.player-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 52px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 40px 60px;
  min-height: calc(100vh - var(--topbar-h));
  align-items: center;
}

.art-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.art-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-3);
  border-radius: var(--rl);
  border: 1px solid var(--border2);
  overflow: hidden;
}

.art-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
  transition: opacity 0.5s ease;
}

.art-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 96px;
  color: var(--t3);
}

.art-ring {
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--rl) + 1px);
  border: 2px solid transparent;
  pointer-events: none;
  transition: border-color var(--tr);
}
.art-ring.playing {
  border-color: var(--accent-bdr);
  animation: ringAnim 6s linear infinite;
}
@keyframes ringAnim {
  0%   { border-color: var(--accent-bdr); }
  50%  { border-color: rgba(167,139,250,0.4); }
  100% { border-color: var(--accent-bdr); }
}

.art-playing-badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  background: rgba(6,7,13,0.75);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 6px 8px;
  backdrop-filter: blur(6px);
}
.art-playing-badge .bar {
  display: block;
  width: 3px;
  border-radius: 2px;
  background: var(--accent-l);
}
.art-playing-badge .b1 { height: 10px; animation: barAnim 0.55s ease-in-out infinite alternate; }
.art-playing-badge .b2 { height: 16px; animation: barAnim 0.7s  ease-in-out infinite alternate 0.1s; }
.art-playing-badge .b3 { height: 12px; animation: barAnim 0.6s  ease-in-out infinite alternate 0.2s; }
.art-playing-badge .b4 { height: 8px;  animation: barAnim 0.8s  ease-in-out infinite alternate 0.05s; }
@keyframes barAnim {
  from { transform: scaleY(0.3); }
  to   { transform: scaleY(1); }
}

.art-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.station-chip {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-bdr);
  color: var(--accent-l);
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
}

.art-source {
  font-size: 11px;
  color: var(--t3);
}

.art-side-info {
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.side-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.side-artist {
  font-size: 11px;
  color: var(--t3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-col {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.live-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--green);
  margin-bottom: 10px;
}

.song-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  color: var(--t1);
  margin-bottom: 8px;
}

.song-artist {
  font-size: 16px;
  font-weight: 500;
  color: var(--t2);
  margin-bottom: 4px;
}

.song-anime {
  font-size: 13px;
  color: var(--accent-l);
  font-style: italic;
}

.eq-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.eq-header {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--t3);
}

.eq-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 56px;
  padding: 4px 0;
}

.eq-bar {
  flex: 1;
  border-radius: 2px 2px 0 0;
  min-height: 3px;
  background: var(--bg-4);
  transform-origin: bottom;
  transition: background 0.3s;
}

.eq-bar.idle {
  background: var(--bg-4);
}
.eq-bar.active {
  background: var(--accent);
  animation: eqBounce var(--dur, 0.7s) ease-in-out infinite alternate;
}

.eq-bar.active:nth-child(3n)   { background: var(--accent-l); }
.eq-bar.active:nth-child(5n)   { background: #6366f1; }

@keyframes eqBounce {
  from { height: var(--min-h, 4px); }
  to   { height: var(--max-h, 48px); }
}

.progress-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-track {
  height: 3px;
  background: var(--bg-4);
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  width: 0%;
  transition: width 0.8s linear;
}

.progress-times {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--t3);
  font-variant-numeric: tabular-nums;
}

.controls-row {
  display: flex;
  align-items: center;
  gap: 18px;
}

.ctrl-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--rs);
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--t2);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--tr);
}
.ctrl-btn:hover { background: var(--bg-3); color: var(--t1); border-color: var(--border2); }
.ctrl-btn.active { background: var(--accent-dim); border-color: var(--accent-bdr); color: var(--accent-l); }

.play-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--tr);
  flex-shrink: 0;
}
.play-btn:hover  { background: var(--accent-h); transform: scale(1.06); }
.play-btn:active { transform: scale(0.95); }

.vol-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.vol-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 3px;
  background: var(--bg-4);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}
.vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--t1);
  cursor: pointer;
}
.vol-slider::-moz-range-thumb {
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--t1);
  border: none;
  cursor: pointer;
}

.history-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 300;
}
.history-overlay.show { display: block; }

.history-panel {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 360px;
  background: var(--bg-1);
  border-left: 1px solid var(--border2);
  z-index: 400;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.history-panel.open { transform: translateX(0); }

.history-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.history-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--t2);
}

.history-list {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 100%;
  color: var(--t3);
  font-size: 13px;
  padding: 40px 0;
}
.history-empty i { font-size: 40px; }

.history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rs);
  transition: all var(--tr);
  animation: fadeUp 0.25s ease;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.history-item:hover { background: var(--bg-3); border-color: var(--border2); }

.h-thumb {
  width: 40px;
  height: 40px;
  border-radius: var(--rs);
  background: var(--bg-3);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--t3);
  font-size: 20px;
}
.h-thumb img { width: 100%; height: 100%; object-fit: cover; }

.h-info { flex: 1; min-width: 0; }
.h-title { font-size: 12px; font-weight: 600; color: var(--t1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.h-artist { font-size: 11px; color: var(--t3); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.h-time { font-size: 10px; color: var(--t3); flex-shrink: 0; }

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(60px);
  opacity: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-3);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--t1);
  z-index: 999;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast i { font-size: 16px; color: var(--accent-l); }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 4px; }

@media (max-width: 860px) {
  .player-layout {
    grid-template-columns: 1fr;
    padding: 28px 20px 60px;
    gap: 32px;
  }
  .art-frame { max-width: 280px; }
  .art-col { align-items: center; }
  .art-side-info { display: none; }
  .vol-slider { width: 80px; }
  .topbar { padding: 0 20px; }
}

@media (max-width: 540px) {
  .topbar-brand .brand-text { display: none; }
  .history-panel { width: 100%; }
}