:root{
  --bg:#07070f; --panel:rgba(12,12,26,.78); --line:rgba(255,255,255,.08);
  --txt:#e9e9f5; --dim:#9a9ab4; --acc:#18e6ff; --acc2:#ff3fbf;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--txt);overflow:hidden}
#gl{position:fixed;inset:0;width:100%;height:100%;display:block}
a{color:var(--acc)}
button,input,select{font:inherit;color:inherit}
button{background:rgba(255,255,255,.07);border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;transition:.15s}
button:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.2)}
button:active{transform:translateY(1px)}
button.wide{width:100%}
button.small{padding:4px 8px;font-size:12px;border-radius:7px}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:6px}
.status-row .hint{margin:0;font-variant-numeric:tabular-nums}
.status-row .hint.bad{color:#ff6b6b}
#transport.live #t-seek,#transport.live #t-prev,#transport.live #t-next{display:none}
input[type=text],select{background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:10px;padding:8px 10px;width:100%;outline:none}
input[type=text]:focus{border-color:var(--acc)}
input[type=range]{width:100%;accent-color:var(--acc)}
select option{background:#111}
.hint{font-size:12px;color:var(--dim);line-height:1.4;margin-top:6px}
.hint a{color:var(--acc);text-decoration:none}
kbd{background:rgba(255,255,255,.1);border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:11px}

/* HUD */
#hud{position:fixed;left:22px;top:18px;z-index:5;pointer-events:none;text-shadow:0 2px 12px rgba(0,0,0,.8);max-width:min(60vw,560px)}
.brand{font-weight:900;letter-spacing:.18em;font-size:14px;color:#fff}
.brand span{color:var(--acc)}
.brand.big{font-size:34px;letter-spacing:.3em}
#hud .street{font-size:clamp(20px,3.2vw,38px);font-weight:800;margin-top:8px;line-height:1.1;letter-spacing:-.01em}
#hud .place{color:var(--dim);font-size:14px;margin-top:4px}
#hud .row{display:flex;align-items:center;gap:14px;margin-top:10px}
#hud .track{font-size:13px;color:var(--acc);margin-top:8px}
.meters{display:flex;gap:4px;align-items:flex-end;height:26px}
.meters i{display:block;width:8px;height:4px;border-radius:3px;background:linear-gradient(180deg,var(--acc2),var(--acc));transition:height .05s linear}
#hud-bpm{font-variant-numeric:tabular-nums;color:var(--dim);font-size:13px}

/* Panel */
#toggle-panel{position:fixed;right:18px;top:18px;z-index:7;width:42px;height:42px;border-radius:12px;font-size:18px;background:var(--panel);backdrop-filter:blur(12px)}
#panel{position:fixed;right:18px;top:70px;bottom:92px;width:330px;z-index:6;overflow:auto;background:var(--panel);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:18px;padding:6px 16px 16px;transition:transform .25s,opacity .25s;scrollbar-width:thin}
#panel.hidden{transform:translateX(120%);opacity:0;pointer-events:none}
#panel section{padding:12px 0;border-bottom:1px solid var(--line)}
#panel section:last-child{border:none}
#panel h2{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin:0 0 10px}
.field{display:flex;gap:6px;margin:6px 0}
.field button{flex:0 0 auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:6px 0}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin:6px 0}
label{display:block;font-size:13px;color:var(--dim);margin:8px 0 4px}
label select{margin-top:4px}
label.range span{float:right;color:var(--txt)}
label.check{display:flex;align-items:center;gap:8px;color:var(--txt)}
.results{display:flex;flex-direction:column;gap:3px}
.results button{text-align:left;font-size:12px;padding:6px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.playlist{list-style:none;margin:8px 0 0;padding:0;max-height:160px;overflow:auto;font-size:12px}
.playlist li{padding:5px 8px;border-radius:7px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--dim)}
.playlist li:hover{background:rgba(255,255,255,.07)}
.playlist li.active{color:var(--acc);background:rgba(24,230,255,.1)}
.sp-logo{color:#1db954}
.keys div{font-size:12px;color:var(--dim);line-height:1.8}

/* Transport */
#transport{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:6;display:flex;align-items:center;gap:10px;width:min(720px,calc(100vw - 380px));background:var(--panel);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:16px;padding:10px 14px}
#transport[hidden]{display:none}
#transport button{width:40px;height:40px;padding:0;border-radius:50%}
#t-play{background:var(--acc);color:#000;border-color:transparent;font-size:16px}
.t-mid{flex:1;min-width:0}
#t-title{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}
#t-time{font-size:12px;color:var(--dim);font-variant-numeric:tabular-nums;min-width:46px;text-align:right}
#t-vol{width:80px}
body.ui-hidden #panel,body.ui-hidden #toggle-panel,body.ui-hidden #transport,body.ui-hidden #hud{opacity:0;pointer-events:none}

/* Overlay */
#overlay{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,rgba(20,10,40,.75),rgba(5,5,12,.92));backdrop-filter:blur(6px);transition:opacity .4s}
#overlay.hidden{opacity:0;pointer-events:none}
#overlay .card{text-align:center;max-width:520px;padding:36px;border:1px solid var(--line);border-radius:24px;background:rgba(10,10,22,.6);box-shadow:0 30px 100px rgba(0,0,0,.6)}
#overlay p{color:var(--dim);line-height:1.5}
#overlay-btn{background:linear-gradient(90deg,var(--acc),var(--acc2));color:#000;font-weight:800;font-size:18px;padding:14px 30px;border:none;border-radius:999px;margin:10px 0}
#overlay-btn[hidden]{display:none}
.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--line);border-top-color:var(--acc);border-radius:50%;animation:spin 1s linear infinite;vertical-align:middle;margin-right:8px}
@keyframes spin{to{transform:rotate(360deg)}}

#toast{position:fixed;left:50%;top:22px;transform:translate(-50%,-20px);z-index:30;background:rgba(0,0,0,.8);border:1px solid var(--line);border-radius:12px;padding:10px 16px;font-size:13px;opacity:0;transition:.25s;pointer-events:none;max-width:80vw}
#toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:760px){
  #panel{width:calc(100vw - 36px);bottom:100px}
  #transport{width:calc(100vw - 36px)}
  #hud{max-width:70vw}
}