:root{
  color-scheme: dark;

  --bg:#0f1115;
  --bg-2:#0f1218;
  --card:#171a21;
  --ring:#2a2f3a;

  --text:#f2f5fb;
  --muted:#b9c0d4;

  --accent:#7dd3fc;
  --accent-2:#a78bfa;
}

/* global */
*{box-sizing:border-box}
html,body{height:100%}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;
  background:linear-gradient(180deg,var(--bg),var(--bg-2) 30%,var(--bg));
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}

/* header */
.site-header{padding:24px 16px 8px;text-align:center}
.site-header h1{margin:0 0 4px;font-size:clamp(26px,4vw,36px);letter-spacing:0.3px}
.subtitle{margin:0;color:var(--muted);font-size:clamp(13px,2.4vw,15px)}

/* ===== CAROUSEL (centered) ===== */
.carousel-section{
  position:relative;
  padding:12px 72px;            /* room para flechas absolutas */
  max-width:1200px;
  margin:0 auto;                /* centra toda la banda en la página */
}

/* Cards de ancho fluido: phones ~48vw, tablets ~22vw, desktop cap 220px */
.carousel{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:clamp(150px, 22vw, 220px);
  gap:12px;

  overflow-x:auto;
  scrollbar-width:thin;
  padding:8px 20px 14px;        /* padding visible (también ayuda con flechas) */

  /* Scroll-snap correcto y “freno” por card */
  scroll-snap-type:x mandatory;
  scroll-padding-inline:20px;   /* espacio respetado al snap en bordes */

  max-width:100%;
  margin:0 auto;
  justify-content:flex-start;   /* ¡importante! no centrar la pista */
}
.carousel::-webkit-scrollbar{height:8px}
.carousel::-webkit-scrollbar-thumb{background:var(--ring);border-radius:999px}

.carousel-card{
  position:relative;             /* <— necesario para ubicar .badges */
  background:var(--card);
  border:1px solid var(--ring);
  border-radius:16px;
  padding:10px;
  width:auto;
  box-shadow:0 8px 20px rgba(0,0,0,.25);
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, border-color .2s ease;
  outline:none;

  /* Snap por item */
  scroll-snap-align:start;
  scroll-snap-stop:always;
}

.carousel-card:hover{transform:translateY(-1px)}
.carousel-card:focus-visible{border-color:var(--accent)}

.carousel-img{width:100%;aspect-ratio:1/1;border-radius:12px;object-fit:cover;background:#222}
.carousel-title{margin:8px 2px 0;font-size:14px;line-height:1.25}
.carousel-sub{margin:2px 2px 0;color:var(--muted);font-size:12px}

/* Flechas, posicionadas sin afectar layout */
.carousel-nav{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:38px;height:38px;border-radius:999px;border:1px solid var(--ring);
  background:var(--card);color:var(--text);
  display:inline-grid;place-items:center;cursor:pointer;
}
.carousel-nav.left{left:18px}
.carousel-nav.right{right:18px}
.carousel-nav:hover{filter:brightness(1.06)}

/* Indicadores de estado en carrusel */
.carousel-card.is-selected{
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 40%, transparent);
}

.carousel-card.is-playing{
  position: relative;
}
.carousel-card.is-playing::after{
  content:"●";
  position:absolute;
  top:8px; right:12px;
  font-size:12px;
  line-height:1;
  /* usa color por defecto; luce como “ahora suena” */
}

/* sort bar */
.sort-bar{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 8px 0;
  padding:0 20px;
  color:var(--muted);
  font-size:13px;
  flex-wrap:wrap;
}
.sort-bar select{
  background:var(--card);
  color:var(--text);
  border:1px solid var(--ring);
  border-radius:10px;
  padding:6px 10px;
}
.sort-bar .surprise-btn{
  margin-left:auto;
  padding-inline:18px;
}
@media (max-width: 520px){
  .sort-bar{
    flex-direction:column;
    align-items:stretch;
  }
  .sort-bar label{
    align-self:flex-start;
  }
  .sort-bar .surprise-btn{
    margin-left:0;
    width:100%;
  }
}

/* badges */
.badges{
  position:absolute;
  top:8px; left:10px;
  display:flex; gap:6px; flex-wrap:wrap;
}
.badge{
  font-size:10px;
  line-height:1;
  padding:4px 6px;
  border-radius:999px;
  border:1px solid var(--ring);
  background:#141821cc;
  backdrop-filter: blur(6px);
}
.badge-new{outline:2px solid var(--accent)}
.badge-rec{outline:2px solid var(--accent-2)}




/* ===== LAYOUT ===== */
.content{
  display:grid;gap:16px;
  grid-template-columns:1fr 360px;
  padding:16px;max-width:1200px;margin:0 auto;
}
@media (max-width:900px){
  .content{grid-template-columns:1fr}
  .player-panel{order:-1}
}

/* tracks panel */
.tracks-panel{
  background:var(--card);border:1px solid var(--ring);
  border-radius:20px;padding:16px;
}
.tracks-panel h2{margin:0 0 10px}
.track-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.track{
  display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;
  background:#12151b;border:1px solid #202532;border-radius:12px;padding:10px;cursor:pointer;
}
.track:hover{background:#151923}
.track .num{color:var(--muted);font-variant-numeric:tabular-nums}
.track .title{font-size:14px}
.track .duration{color:var(--muted);font-size:12px}

.album-artist{
  margin-top:2px;
  color:var(--muted);
  font-size:13px;
}

.album-header{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; margin-bottom:10px;
}
.album-header h2{margin:0}
.album-meta{
  display:flex; align-items:center; gap:8px;
  color:var(--muted); font-size:13px;
}
.dot-sep{opacity:.7}


/* player */
.player-panel{
  background:var(--card);border:1px solid var(--ring);
  border-radius:20px;padding:16px;
}
.cover-wrap{
  width:100%;aspect-ratio:1/1;border-radius:16px;overflow:hidden;background:#222;border:1px solid #242a36;
}
.cover-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.now-info{margin:10px 0 8px}
.now-title{font-weight:600}
.now-album{color:var(--muted);font-size:13px}

.controls{display:flex;align-items:center;justify-content:center;gap:10px;margin:8px 0}
.btn{
  border:1px solid var(--ring);background:#141821;color:var(--text);
  border-radius:999px;padding:8px;cursor:pointer;display:inline-grid;place-items:center;
}
.btn:hover{filter:brightness(1.06)}
.btn[aria-pressed="true"]{outline:2px solid var(--accent)}
.btn.primary{padding:10px 12px;font-weight:600;border-color:#324056;box-shadow:0 6px 18px rgba(0,0,0,.25)}

/* Botón circular icon-only para el header del álbum */
.btn-circle{
  width:44px;
  height:44px;
  padding:0;                 /* anula padding de .btn/.primary */
  border-radius:999px;
  display:grid;
  place-items:center;
}

/* Opcional: agranda un poquito en desktop */
@media (min-width: 900px){
  .btn-circle{ width:48px; height:48px; }
}

/* Hover/focus un poco más marcado para icon-only */
.btn-circle:hover{
  filter:brightness(1.07);
}
.btn-circle:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}


.btn-spotify{
  background: #1DB954;
  border-color: #149946;
  color: #fff;
}
.btn-spotify:hover{
  filter: none;
  background: #1ed760;
  border-color: #16a34a;
}
.btn-spotify[aria-pressed="true"]{
  outline: 2px solid #86efac; /* opcional */
}


.seek-wrap{margin:6px 0 10px}
.seek-wrap input[type="range"]{width:100%}
.time-row{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}

.volume-row{display:flex;align-items:center;gap:10px;margin-top:8px;color:var(--muted);font-size:12px}
.volume-row input[type="range"]{flex:1}

.site-footer{padding:20px;text-align:center;color:var(--muted);font-size:12px}

/* ===== Buffering spinner (icono del botón Play/Pause) ===== */
.spinner{
  animation: spotifai-spin 0.9s linear infinite;
  transform-origin: 50% 50%;
}
@keyframes spotifai-spin{
  to{ transform: rotate(360deg); }
}

/* ===== Repeat button: tres estados (off / all / one) ===== */
#btnLoop{ position: relative; }
#btnLoop[data-repeat-mode="all"]{
  outline: 2px solid var(--accent);
  color: var(--accent);
}
#btnLoop[data-repeat-mode="one"]{
  outline: 2px solid var(--accent-2);
  color: var(--accent-2);
}
#btnLoop[data-repeat-mode="one"]::after{
  content: "1";
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--accent-2);
  color: #0f1115;
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  border: 1px solid var(--bg);
}

/* ===== Toast (notice de pista no disponible, etc.) ===== */
.toast{
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(20px);
  background: #1c2230;
  color: var(--text);
  border: 1px solid var(--ring);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 13px;
  max-width: 90vw;
  box-shadow: 0 10px 30px rgba(0,0,0,.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 100;
}
.toast.is-visible{
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast[hidden]{ display: none; }