:root {
  --bg: #0e0e12; --panel: #16161d; --panel2: #1e1e28; --line: #2a2a38;
  --text: #f1f1f6; --muted: #9a9ab0; --accent: #8b5cf6; --accent2: #a78bfa; --danger: #f87171;
  --player-h: 88px;
}
* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body { background: var(--bg); color: var(--text); font: 15px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; overflow: hidden; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

/* Login */
#login { min-height: 100%; display: grid; place-items: center; padding: 24px; }
#loginForm { width: min(340px, 100%); display: grid; gap: 12px; text-align: center; justify-items: center; }
#loginForm input, #loginForm button { width: 100%; }
#loginForm h1 { font-size: 28px; }
#loginForm p { color: var(--muted); }
.err { color: var(--danger) !important; min-height: 1.2em; }
input[type=password], input[type=text], input[type=search] {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px; outline: none;
}
input:focus { border-color: var(--accent); }
.primary { background: var(--accent); color: #fff; padding: 11px 16px; border-radius: 10px; font-weight: 600; }
.primary:hover { background: var(--accent2); }
.ghost { color: var(--muted); padding: 8px 12px; border-radius: 8px; text-align: left; }
.ghost:hover { background: var(--panel2); color: var(--text); }

/* Layout */
#app { height: 100%; display: grid; grid-template-columns: 230px 1fr; grid-template-rows: 1fr var(--player-h); }
#side { grid-row: 1 / 2; background: var(--panel); border-right: 1px solid var(--line); padding: 16px 12px; display: flex; flex-direction: column; gap: 8px; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; padding: 4px 8px 12px; }
.navlinks { display: flex; flex-direction: column; gap: 2px; }
.navlinks a { padding: 9px 12px; border-radius: 8px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.navlinks a:hover { background: var(--panel2); color: var(--text); }
.navlinks a.on { background: var(--panel2); color: var(--text); box-shadow: inset 3px 0 var(--accent); }
.plhead { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; padding: 14px 12px 4px; }
.plhead button { font-size: 20px; line-height: 1; width: 26px; height: 26px; border-radius: 6px; }
.plhead button:hover { background: var(--panel2); color: var(--text); }
.acct { margin-top: auto; }
#logout { margin-top: 0; }

#main { overflow-y: auto; padding: 0 28px 24px; }
.top { position: sticky; top: 0; z-index: 5; background: linear-gradient(var(--bg) 80%, transparent); display: flex; gap: 16px; align-items: center; justify-content: space-between; padding: 20px 0 14px; }
.top h2 { font-size: 24px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#search { width: min(340px, 50%); }

/* Lista de canciones */
.tracks { display: grid; }
.row { display: grid; grid-template-columns: 44px 1fr 1fr 52px 36px 36px; align-items: center; gap: 12px; padding: 6px 10px; border-radius: 10px; cursor: pointer; }
.row:hover { background: var(--panel); }
.row.playing { background: var(--panel2); }
.row.playing .t { color: var(--accent2); }
.row img, .ph { width: 44px; height: 44px; border-radius: 6px; object-fit: cover; background: var(--panel2); display: grid; place-items: center; color: var(--muted); }
.row .t b { display: block; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row .t span, .row .al, .row .d { color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row .d { text-align: right; }
.icon { width: 32px; height: 32px; border-radius: 50%; color: var(--muted); font-size: 16px; }
.icon:hover { background: var(--panel2); color: var(--text); }
.icon.on { color: var(--accent2); }
.actions { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.actions button { background: var(--panel2); padding: 9px 16px; border-radius: 999px; }
.actions button.primary { background: var(--accent); }
.empty { color: var(--muted); padding: 48px 0; text-align: center; }

/* Cuadrícula */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 18px; }
.card { background: var(--panel); border-radius: 12px; padding: 12px; cursor: pointer; }
.card:hover { background: var(--panel2); }
.card img, .card .ph { width: 100%; aspect-ratio: 1; height: auto; border-radius: 8px; margin-bottom: 10px; font-size: 38px; }
.card b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card span { color: var(--muted); font-size: 13px; }

/* Subir */
.drop { border: 2px dashed var(--line); border-radius: 16px; padding: 48px 20px; text-align: center; color: var(--muted); }
.drop.over { border-color: var(--accent); color: var(--text); background: var(--panel); }
.drop button { margin-top: 14px; }
.queue { margin-top: 20px; display: grid; gap: 8px; }
.qi { background: var(--panel); border-radius: 10px; padding: 10px 14px; display: grid; gap: 6px; }
.qi .bar { height: 4px; background: var(--panel2); border-radius: 2px; overflow: hidden; }
.qi .bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .15s; }
.qi small { color: var(--muted); }
.qi.error small { color: var(--danger); }

/* Reproductor */
#player { grid-column: 1 / -1; background: var(--panel); border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 2fr 1fr; align-items: center; gap: 16px; padding: 0 20px; }
.now { display: flex; align-items: center; gap: 12px; min-width: 0; }
.now img { width: 56px; height: 56px; border-radius: 8px; object-fit: cover; background: var(--panel2); }
.now .meta { min-width: 0; display: grid; }
.now b, .now span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.now span { color: var(--muted); font-size: 13px; }
.ctrl { display: grid; gap: 4px; justify-items: center; }
.btns { display: flex; align-items: center; gap: 10px; }
.btns button { width: 36px; height: 36px; border-radius: 50%; font-size: 18px; color: var(--muted); }
.btns button:hover { color: var(--text); }
.btns button.on { color: var(--accent2); }
.btns .playbtn { background: var(--text); color: var(--bg); width: 42px; height: 42px; }
.btns .playbtn:hover { background: #fff; color: var(--bg); transform: scale(1.06); }
.seek { display: flex; align-items: center; gap: 10px; width: 100%; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.seek input { flex: 1; }
.vol { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.vol input { width: 110px; }
input[type=range] { accent-color: var(--accent); cursor: pointer; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 14px; padding: 20px; width: min(380px, 92vw); margin: auto; }
dialog::backdrop { background: rgba(0,0,0,.6); }
dialog h3 { margin-bottom: 12px; }
dialog form { display: grid; gap: 10px; }
dialog .menu { display: grid; gap: 2px; }
dialog .menu button { text-align: left; padding: 10px 12px; border-radius: 8px; }
dialog .menu button:hover { background: var(--panel2); }
dialog .menu .danger { color: var(--danger); }
dialog .btnrow { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }
dialog .btnrow button:not(.primary) { padding: 10px 14px; color: var(--muted); }

#toast { position: fixed; left: 50%; bottom: calc(var(--player-h) + 16px); transform: translate(-50%, 20px); background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px; opacity: 0; pointer-events: none; transition: .25s; z-index: 50; }
#toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Móvil */
@media (max-width: 800px) {
  :root { --player-h: 128px; }
  body { overflow: auto; }
  #app { grid-template-columns: 1fr; grid-template-rows: auto 1fr var(--player-h); height: 100dvh; }
  #side { flex-direction: row; align-items: center; border-right: 0; border-bottom: 1px solid var(--line); padding: 8px; overflow-x: auto; overflow-y: hidden; gap: 4px; }
  .brand, .plhead, #logout { display: none; }
  .navlinks { flex-direction: row; }
  #plList { border-left: 1px solid var(--line); padding-left: 4px; }
  #main { padding: 0 14px 16px; }
  .top { padding-top: 12px; }
  .top h2 { font-size: 19px; }
  #search { width: 55%; }
  .row { grid-template-columns: 44px 1fr 36px 36px; }
  .row .al, .row .d { display: none; }
  #player { grid-template-columns: 1fr; grid-template-rows: auto auto; gap: 4px; padding: 8px 14px calc(8px + env(safe-area-inset-bottom)); align-content: center; }
  .vol { display: none; }
  .now img { width: 40px; height: 40px; }
  .btns button { width: 32px; height: 32px; }
}

/* Cuenta y usuarios */
.panel { background: var(--panel); border-radius: 14px; padding: 18px; max-width: 520px; margin-bottom: 18px; display: grid; gap: 10px; }
.panel h3 { font-size: 16px; }
.panel small { color: var(--muted); }
.panel form { display: grid; gap: 10px; }
.meter { height: 6px; background: var(--panel2); border-radius: 3px; overflow: hidden; }
.meter i { display: block; height: 100%; background: var(--accent); }
.utable { display: grid; gap: 8px; max-width: 760px; }
.urow { background: var(--panel); border-radius: 12px; padding: 12px 14px; display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: center; }
.urow small { color: var(--muted); }
.urow .off { opacity: .55; }
.urow .btns2 { display: flex; gap: 6px; flex-wrap: wrap; }
.urow .btns2 button { background: var(--panel2); padding: 6px 12px; border-radius: 999px; font-size: 13px; }
.urow .btns2 .danger { color: var(--danger); }
.badge { background: var(--accent); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 999px; margin-left: 6px; }
@media (max-width: 800px) { .acct { margin-top: 0; flex-direction: row; } }

.dl { font-style: normal; color: var(--accent2); font-size: 11px; }