/* =====================================================================
   THE CITY OF SOUND — luxury metaverse theme
   Palette: obsidian black · luxe gold · electric cyan · deep violet
   ===================================================================== */
:root{
  --bg:#07070c; --bg2:#0d0d16; --panel:rgba(18,18,28,.72);
  --gold:#e8b923; --gold-soft:#f4d47a; --cyan:#38bdf8; --violet:#7b2ff7;
  --magenta:#c026d3; --ink:#eef0f7; --muted:#9aa0b4; --line:rgba(255,255,255,.09);
  --radius:18px; --shadow:0 24px 60px rgba(0,0,0,.55);
  --grad-gold:linear-gradient(135deg,#f4d47a,#e8b923 45%,#a9791a);
  --grad-neon:linear-gradient(120deg,#38bdf8,#7b2ff7 60%,#c026d3);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  background:radial-gradient(1200px 800px at 70% -10%,rgba(123,47,247,.18),transparent 60%),
             radial-gradient(1000px 700px at 10% 110%,rgba(56,189,248,.14),transparent 55%),
             var(--bg);
  color:var(--ink);min-height:100vh;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--cyan);text-decoration:none;transition:.2s}
a:hover{color:var(--gold-soft)}
h1,h2,h3{font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:0 0 .4em}
.display{font-size:clamp(2.4rem,6vw,4.6rem)}
.gold-text{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.neon-text{background:var(--grad-neon);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.center{text-align:center}

/* ---- top navigation ---- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);
  background:rgba(7,7,12,.72);border-bottom:1px solid var(--line)}
.nav .container{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.05rem;color:var(--ink)}
.brand img{height:38px;width:38px;border-radius:9px;object-fit:cover;
  box-shadow:0 0 18px rgba(232,185,35,.35)}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav-links a{color:var(--muted);font-weight:600;font-size:.93rem}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.badge-role{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;
  padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--gold)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;cursor:pointer;border:none;
  font-weight:700;font-size:.95rem;padding:12px 22px;border-radius:12px;
  background:var(--grad-gold);color:#1a1205;transition:.2s;box-shadow:0 8px 24px rgba(232,185,35,.25)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(232,185,35,.4)}
.btn.neon{background:var(--grad-neon);color:#fff;box-shadow:0 8px 24px rgba(123,47,247,.3)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink);box-shadow:none}
.btn.ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn.sm{padding:8px 14px;font-size:.85rem}
.btn.block{width:100%;justify-content:center}

/* ---- cards / panels ---- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.grid{display:grid;gap:22px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}}

/* ---- beat card ---- */
.beat-card{background:var(--bg2);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:.25s;position:relative}
.beat-card:hover{transform:translateY(-4px);border-color:rgba(232,185,35,.5);
  box-shadow:0 20px 40px rgba(0,0,0,.5)}
.beat-card .art{position:relative;aspect-ratio:1;overflow:hidden}
.beat-card .art img{width:100%;height:100%;object-fit:cover;transition:.4s}
.beat-card:hover .art img{transform:scale(1.06)}
.beat-card .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(7,7,12,.35);opacity:0;transition:.25s}
.beat-card:hover .play{opacity:1}
.play-btn{width:58px;height:58px;border-radius:50%;background:var(--grad-gold);border:none;
  display:grid;place-items:center;cursor:pointer;font-size:20px;color:#1a1205;
  box-shadow:0 6px 20px rgba(0,0,0,.5)}
.beat-card .body{padding:14px 16px}
.beat-card .title{font-weight:700;font-size:1rem;margin:0 0 3px}
.beat-card .meta{color:var(--muted);font-size:.82rem;display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:.7rem;padding:3px 9px;border-radius:999px;background:rgba(56,189,248,.12);
  color:var(--cyan);border:1px solid rgba(56,189,248,.25)}
.tag.explicit{background:rgba(239,68,68,.14);color:#f87171;border-color:rgba(239,68,68,.3)}
.price-row{display:flex;justify-content:space-between;align-items:center;margin-top:12px}
.price{font-weight:800;color:var(--gold)}

/* ---- forms ---- */
label{display:block;font-size:.8rem;color:var(--muted);margin:14px 0 6px;font-weight:600;
  text-transform:uppercase;letter-spacing:.05em}
input,select,textarea{width:100%;padding:12px 14px;background:#0b0b14;border:1px solid var(--line);
  border-radius:10px;color:var(--ink);font-size:.95rem;font-family:inherit;transition:.2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(56,189,248,.15)}
.hint{font-size:.78rem;color:var(--muted);margin-top:4px}
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:.9rem}
.alert.err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}
.alert.ok{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#86efac}

/* ---- section header ---- */
.section{padding:64px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:28px;gap:20px;flex-wrap:wrap}
.eyebrow{text-transform:uppercase;letter-spacing:.22em;font-size:.75rem;color:var(--gold);font-weight:700}

/* ---- hero / world frame ---- */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;overflow:hidden;
  border-bottom:1px solid var(--line)}
.hero .bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.55}
.hero .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,7,12,.3),rgba(7,7,12,.9))}
.hero .container{position:relative;z-index:2}
.pill{display:inline-flex;gap:8px;align-items:center;padding:7px 15px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:.82rem;color:var(--gold-soft);margin-bottom:18px}

/* ---- stat / obelisk readout ---- */
.stat{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center}
.stat .num{font-size:2rem;font-weight:800}
.stat .lbl{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}

/* ---- district tiles ---- */
.district{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:16/10;
  border:1px solid var(--line);display:flex;align-items:end}
.district img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.5s}
.district:hover img{transform:scale(1.07)}
.district .cap{position:relative;z-index:2;padding:20px;width:100%;
  background:linear-gradient(180deg,transparent,rgba(7,7,12,.92))}
.district .cap h3{margin:0}
.district .cap .g{font-size:.8rem;color:var(--gold-soft)}

/* ---- footer ---- */
.footer{border-top:1px solid var(--line);padding:40px 0;margin-top:60px;color:var(--muted);font-size:.85rem}
.footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer a{color:var(--muted)}.footer a:hover{color:var(--gold)}

/* ---- 3D world overlay HUD ---- */
#grid-canvas{position:fixed;inset:0;z-index:0;display:block}
.hud{position:fixed;z-index:10;pointer-events:none}
.hud .panel-hud{pointer-events:auto}
.world-hud-top{top:80px;left:0;right:0;display:flex;justify-content:center}
.world-hud-bottom{bottom:24px;left:0;right:0;display:flex;justify-content:center;gap:12px;flex-wrap:wrap;padding:0 16px}
.chip{pointer-events:auto;background:rgba(13,13,22,.85);border:1px solid var(--line);
  border-radius:999px;padding:9px 16px;font-size:.85rem;color:var(--ink);cursor:pointer;
  backdrop-filter:blur(10px);transition:.2s;font-weight:600}
.chip:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
.loader{position:fixed;inset:0;z-index:100;background:var(--bg);display:flex;
  flex-direction:column;align-items:center;justify-content:center;gap:20px;transition:.6s}
.loader.hide{opacity:0;pointer-events:none}
.spinner{width:60px;height:60px;border-radius:50%;border:3px solid rgba(232,185,35,.2);
  border-top-color:var(--gold);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---- data table ---- */
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
th{color:var(--muted);text-transform:uppercase;font-size:.72rem;letter-spacing:.06em}
tr:hover td{background:rgba(255,255,255,.02)}

/* ---- toggles for licensing configurator ---- */
.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
.switch{position:relative;width:46px;height:26px}
.switch input{opacity:0;width:0;height:0}
.slider-tg{position:absolute;inset:0;background:#26263a;border-radius:999px;cursor:pointer;transition:.2s}
.slider-tg:before{content:"";position:absolute;height:20px;width:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + .slider-tg{background:var(--grad-gold)}
.switch input:checked + .slider-tg:before{transform:translateX(20px)}

/* ---- range slider luxe ---- */
input[type=range]{-webkit-appearance:none;height:6px;background:linear-gradient(90deg,var(--cyan),var(--violet));border-radius:6px;padding:0}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--grad-gold);cursor:pointer;box-shadow:0 0 12px rgba(232,185,35,.6)}

.status-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px}
.dot-green{background:#22c55e}.dot-yellow{background:#eab308}.dot-red{background:#ef4444}.dot-grey{background:#64748b}
.play-btn {
    background: rgba(0,0,0,0.7);
    border: 2px solid #fff;
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.play-btn:hover {
    background: var(--gold);
    border-color: var(--gold);
    color: #000;
    transform: scale(1.1);
}
.beat-card .art {
    position: relative;
}
.beat-card .play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s;
}
.beat-card:hover .play {
    opacity: 1;
}