@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;600&display=swap');

:root{
  /* ---- Paleta High Vibration + IA ---- */
  --roxo-neural: #1A0B2E;
  --violeta-ressonante: #6C22A6;
  --dourado-solar: #FBBF24;
  --ciano-neural: #00F0FF;
  --magenta-ativacao: #FF007F;
  --branco-cristal: #F8F9FA;
  --cinza-tecnologico: #9CA3AF;

  --bg: var(--roxo-neural);
  --surface: #241040;
  --surface-2: #301654;
  --border: #43266B;

  --text: var(--branco-cristal);
  --text-dim: var(--cinza-tecnologico);

  --accent: var(--dourado-solar);
  --accent-dim: var(--violeta-ressonante);
  --accent2: var(--ciano-neural);
  --accent3: var(--magenta-ativacao);

  --radius: 14px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{ box-sizing: border-box; }

html,body{
  margin:0; padding:0; min-height:100%;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 15% 0%, rgba(108,34,166,0.30), transparent 45%),
    radial-gradient(circle at 85% 100%, rgba(0,240,255,0.12), transparent 50%),
    var(--bg);
}

button{ font-family: inherit; cursor:pointer; }
input{ font-family: inherit; }

.app{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding: 36px 16px 24px;
}

/* HEADER */
.header{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:4px;
  margin-bottom: 26px;
}
.brand-mark{
  font-size:28px;
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent3), 0 0 18px var(--accent2);
  line-height:1;
}
.brand-name{
  font-family: var(--font-display);
  font-weight:700;
  font-size:28px;
  letter-spacing: 1px;
  margin: 4px 0 0;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent3) 55%, var(--accent2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-sub{
  margin: 2px 0 0;
  font-size:12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
}
.header-status{
  margin-top:10px;
  font-family: var(--font-mono);
  font-size:11px;
  color: var(--accent2);
}

/* PLAYER CARD */
.player-card{
  width:100%;
  max-width: 440px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--roxo-neural) 100%);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px 26px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.02) inset;
  display:flex;
  flex-direction:column;
  align-items:center;
}

.panel-label{
  font-family: var(--font-mono);
  font-size:11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
}

/* CATEGORY CHIPS */
.chip-row{
  width:100%;
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding-bottom:6px;
  margin-bottom: 22px;
  scrollbar-width: thin;
}
.chip-row::-webkit-scrollbar{ height:5px; }
.chip-row::-webkit-scrollbar-thumb{ background: var(--surface-2); border-radius:3px; }

.chip{
  flex: 0 0 auto;
  background: var(--surface-2);
  border:1px solid var(--border);
  color: var(--text-dim);
  font-size:12.5px;
  padding: 8px 14px;
  border-radius: 999px;
  white-space:nowrap;
  transition: background .15s, color .15s, border-color .15s;
}
.chip:hover{ color: var(--text); border-color: var(--accent2); }
.chip.is-active{
  background: var(--accent-dim);
  border-color: var(--accent3);
  color: var(--accent);
}

/* COVER + DIAL */
.cover-wrap{
  position:relative;
  width: 220px;
  height: 220px;
  max-width: 60vw;
  max-height: 60vw;
  flex: 0 0 auto;
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 20px;
}
.cover-art{
  position:absolute;
  top:0; left:0;
  width:100%; height:100%;
  border-radius:50%;
  object-fit:cover;
  z-index:1;
  box-shadow: 0 0 0 2px var(--border), 0 0 30px rgba(108,34,166,0.55);
  display:block;
}
.dial-ring{
  position:absolute;
  top:0; left:0;
  width:100%; height:100%;
  transform: rotate(-90deg);
  z-index:2;
  pointer-events:none;
}
.dial-ring-bg{ fill:none; stroke: rgba(26,11,46,0.55); stroke-width:4; }
.dial-ring-fg{
  fill:none; stroke: var(--accent2); stroke-width:4;
  stroke-linecap: round;
  stroke-dasharray: 339.3;
  stroke-dashoffset: 339.3;
  transition: stroke-dashoffset .1s linear;
  filter: drop-shadow(0 0 4px var(--accent2));
}
.play-fab{
  position:relative;
  z-index:3;
  width: 68px; height: 68px;
  flex: 0 0 auto;
  border-radius:50%;
  border:none;
  background: radial-gradient(circle at 35% 30%, var(--surface-2), var(--roxo-neural) 75%);
  box-shadow: 0 6px 20px rgba(0,0,0,0.5), inset 0 0 0 1px var(--border);
  display:flex; align-items:center; justify-content:center;
  color: var(--accent);
}
.play-fab:hover{ color: var(--accent2); }
.icon{ width:26px; height:26px; fill: currentColor; }

/* TRACK INFO */
.track-info{ text-align:center; max-width: 100%; margin-bottom: 14px; }
.track-category{
  display:block;
  font-family: var(--font-mono);
  font-size:11px;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom:6px;
}
.track-title{
  font-family: var(--font-display);
  font-size:19px;
  font-weight:600;
  margin:0;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* SCRUBBER */
.scrubber-row{
  width:100%;
  display:flex; align-items:center; gap:10px;
  margin-bottom: 14px;
}
.tape-counter{
  font-family: var(--font-mono);
  font-size:11.5px;
  color: var(--text-dim);
  min-width:38px;
}
.scrubber{
  -webkit-appearance:none; appearance:none;
  flex:1; height:4px; border-radius:2px;
  background: var(--surface-2);
  outline:none;
}
.scrubber::-webkit-slider-thumb{
  -webkit-appearance:none;
  width:13px; height:13px; border-radius:50%;
  background: var(--accent);
  cursor:pointer;
  box-shadow: 0 0 0 3px rgba(251,191,36,0.25);
}
.scrubber::-moz-range-thumb{
  width:13px; height:13px; border-radius:50%;
  background: var(--accent); border:none;
}

/* TRANSPORT */
.transport{ display:flex; gap:26px; align-items:center; margin-bottom: 18px; }
.btn-ghost{
  background:none; border:none; color: var(--text-dim);
  padding:8px; border-radius:8px;
}
.btn-ghost:hover{ color: var(--accent); background: var(--surface-2); }
.icon-sm{ width:20px; height:20px; fill: currentColor; stroke: none; }
.icon-sm.dim{ opacity:.6; }

/* TOGGLES */
.pill-toggles{
  display:flex; gap:10px; flex-wrap:wrap; justify-content:center;
  margin-bottom: 16px;
}
.rocker{
  display:flex; background: var(--surface-2); border:1px solid var(--border);
  border-radius: 999px; padding:3px; gap:2px;
}
.rocker-opt{
  border:none; background:transparent; color: var(--text-dim);
  font-size:12px; padding:6px 13px; border-radius:999px;
}
.rocker-opt.is-active{ background: var(--accent-dim); color: var(--accent); }

/* VOLUME */
.volume-row{
  display:flex; align-items:center; gap:10px; width:100%; max-width:220px;
  margin-bottom: 18px;
}

/* TRACK COUNT */
.track-count{
  font-family: var(--font-mono);
  font-size:12px;
  color: var(--text-dim);
  margin: 0 0 16px;
}

/* OFFLINE CTA (estilo pílula, inspirado no concorrente) */
.btn-offline-cta{
  width:100%;
  display:flex; align-items:center; justify-content:center; gap:9px;
  background: transparent;
  border: 1.5px solid var(--accent2);
  color: var(--accent2);
  padding: 13px; border-radius: 999px;
  font-size:14px; font-weight:600;
  box-shadow: 0 0 18px rgba(0,240,255,0.15);
}
.btn-offline-cta:hover{ background: rgba(0,240,255,0.08); }
.btn-offline-cta.is-downloading{ opacity:.7; pointer-events:none; }
.offline-dot{
  width:8px; height:8px; border-radius:50%;
  background: var(--accent2);
  box-shadow: 0 0 8px var(--accent2);
  flex-shrink:0;
}

.offline-meter{ width:100%; margin-top:14px; }
.offline-meter-bar{
  height:6px; border-radius:3px; background: var(--surface-2); overflow:hidden;
}
.offline-meter-fill{
  height:100%; width:0%; background: var(--accent2);
  box-shadow: 0 0 8px var(--accent2);
  transition: width .3s ease;
}
.offline-meter-text{
  display:block; margin-top:6px; text-align:center;
  font-family: var(--font-mono); font-size:11px; color: var(--text-dim);
}
.offline-hint{
  font-size:12px; color: var(--text-dim); line-height:1.5;
  margin: 12px 0 0; text-align:center;
}

/* QUEUE */
.queue-section{
  width:100%;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.queue-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.queue-list{
  max-height: 220px;
  overflow-y:auto;
  display:flex; flex-direction:column; gap:2px;
}
.queue-list::-webkit-scrollbar{ width:6px; }
.queue-list::-webkit-scrollbar-thumb{ background: var(--surface-2); border-radius:3px; }

.queue-item{
  display:flex; align-items:center; gap:8px;
  padding:8px 10px; border-radius:10px;
  font-size:13px; color: var(--text-dim);
}
.queue-item:hover{ background: var(--surface-2); color: var(--text); cursor:pointer; }
.queue-item.is-current{ color: var(--accent); background: var(--accent-dim); }
.queue-item-dot{
  width:6px; height:6px; border-radius:50%; background: var(--border); flex-shrink:0;
}
.queue-item-dot.is-cached{ background: var(--accent2); box-shadow: 0 0 6px var(--accent2); }
.queue-item-name{ flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* FOOTER */
.footer{
  max-width: 440px;
  padding:18px 12px 0;
  font-size:12px; color: var(--text-dim);
  text-align:center;
  letter-spacing:.2px;
}
.footer .highlight{ color: var(--accent); font-weight:600; }
.footer .infinity{
  color: var(--accent3);
  font-size: 1.15em;
  margin-left: 4px;
  text-shadow: 0 0 8px var(--accent3);
}

/* RESPONSIVE */
@media (min-width: 480px){
  .cover-wrap{ width:260px; height:260px; }
}

@media (max-width: 360px){
  .player-card{ padding: 22px 16px 20px; }
  .cover-wrap{ width:180px; height:180px; }
}

@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; }
}