/* Своя музыка — дизайн «Орбита» (образец: дизайн/образцы.html, вариант А). */
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{font-family:"Segoe UI",Roboto,system-ui,sans-serif;color:var(--txt);background:#050507;overflow:hidden;
  --h:24;--txt:#f4f2ee;--dim:rgba(244,242,238,.6);--acc:hsl(var(--h) 95% 62%);--acc2:hsl(calc(var(--h) + 60) 90% 66%)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;display:block}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px}

/* фон: тёмный, три пятна цвета песни медленно проявляются и гаснут */
.bgfx{position:fixed;inset:0;overflow:hidden;z-index:0}
.bgfx i{position:absolute;border-radius:50%;filter:blur(90px);transition:background 1.2s;animation:breath 16s ease-in-out infinite alternate}
.bgfx i:nth-child(1){width:560px;height:560px;left:6%;top:-12%;background:hsl(var(--h) 95% 55%)}
.bgfx i:nth-child(2){width:520px;height:520px;right:2%;bottom:-20%;background:hsl(calc(var(--h) + 90) 90% 55%);animation-duration:23s;animation-delay:-7s}
.bgfx i:nth-child(3){width:420px;height:420px;left:40%;top:30%;background:hsl(calc(var(--h) + 200) 90% 60%);animation-duration:19s;animation-delay:-12s}
@keyframes breath{0%{opacity:.07;transform:scale(.85)}100%{opacity:.38;transform:scale(1.15) translate(4%,-3%)}}
@media (prefers-reduced-motion:reduce){.bgfx i{animation:none;opacity:.2}}

.login{position:fixed;inset:0;z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:24px}
.login h1{font-size:30px;margin-bottom:10px}
.login input{width:min(320px,100%);padding:16px 18px;border-radius:16px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);font-size:18px;text-align:center}
.btn{padding:14px 34px;border-radius:999px;background:var(--txt);color:#0a0a0a;font-weight:600;font-size:17px}
.err{color:#ff8a7a;min-height:1.4em;font-size:14px}

#stage{position:fixed;inset:0;z-index:1;display:grid;grid-template-columns:300px 1fr 320px;gap:22px;padding:24px}
aside,main{min-height:0;position:relative}
aside{display:flex;flex-direction:column;gap:14px}
.glass{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:16px;
  -webkit-backdrop-filter:blur(26px);backdrop-filter:blur(26px)}
.grow{flex:1;min-height:0;display:flex;flex-direction:column}
h3{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc);font-weight:600;margin-bottom:10px;transition:color .8s}
.list{overflow-y:auto;flex:1;min-height:0;margin:0 -6px;padding:0 6px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent}
.card,.row{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border-radius:14px}
.card{padding:10px;margin-bottom:6px}
.row{padding:7px 8px;font-size:14.5px;min-height:50px}
.card:hover,.row:hover,.row.cur{background:rgba(255,255,255,.08)}
.card .ic{flex:none;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:21px;
  background:linear-gradient(135deg,var(--acc),var(--acc2));color:#0a0a0a;transition:background .8s}
.card span,.row b{display:block;font-size:15px;font-weight:600}
.card small,.row small{color:var(--dim);font-size:12.5px;display:block}
.row .th{flex:none;width:40px;height:40px;border-radius:8px;background:rgba(255,255,255,.1) center/cover;display:grid;place-items:center;font-size:12px;font-weight:700}
.row .th.round{border-radius:50%}
.row>div{min-width:0;flex:1}.row b,.row small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .yr{color:var(--dim);font-size:12px;flex:none}
.row.wait{opacity:.6;pointer-events:none}
.search{display:flex;align-items:center;gap:10px;padding:6px 14px;font-size:20px;border-radius:999px}
.search input{flex:1;min-width:0;background:none;border:0;outline:0;font-size:16px;padding:10px 0}
.search button{font-size:22px;padding:6px;border-radius:50%}
.search button.on{color:var(--acc)}

main{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}
.orbit{position:relative;width:var(--S);height:var(--S);flex:none;--S:min(56vh,calc(100vw - 700px),540px);--hub:42%}
canvas{position:absolute;inset:0;width:100%;height:100%}
#hub{position:absolute;left:50%;top:50%;width:var(--hub);height:var(--hub);transform:translate(-50%,-50%);border-radius:50%;
  display:grid;place-items:center;overflow:hidden;transition:transform .25s;
  background:radial-gradient(circle at 32% 26%,rgba(255,255,255,.55),transparent 42%),linear-gradient(145deg,var(--acc),var(--acc2));
  box-shadow:0 0 70px -8px var(--acc),inset 0 -14px 34px rgba(0,0,0,.35),inset 0 3px 8px rgba(255,255,255,.5)}
#hub:active{transform:translate(-50%,-50%) scale(.96)}
#hub .pl{font-size:calc(var(--S) * .16);color:#0a0a0a;transition:opacity .4s,transform .5s}
#hub .pl svg,.t.big svg{fill:currentColor;stroke-width:1}
.cover{position:absolute;inset:0;border-radius:50%;opacity:0;transform:scale(.3) rotate(-120deg);background:#111 center/cover;
  transition:opacity .6s,transform 1s cubic-bezier(.2,.9,.2,1)}
.started .cover{opacity:1;transform:none}
.started #hub .pl{opacity:0;transform:scale(2)}
.playing .cover{animation:spin 30s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading #hub{animation:pulse 1s ease-in-out infinite alternate}
@keyframes pulse{to{box-shadow:0 0 110px 0 var(--acc),inset 0 -14px 34px rgba(0,0,0,.35)}}
.ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg);pointer-events:none}
.ring circle{fill:none;stroke-width:1.2;stroke:rgba(255,255,255,.14)}
#rfg{stroke:var(--acc)}
.bub{position:absolute;width:48px;height:48px;margin:-24px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;
  background:rgba(20,20,26,.88) center/cover;border:1.5px solid rgba(255,255,255,.35);color:#fff;transition:border-color .3s,box-shadow .3s}
.bub.cur{border-color:var(--acc);box-shadow:0 0 18px var(--acc)}
.meta{text-align:center;min-height:86px;max-width:100%;padding:0 8px}
.meta h1{font-size:26px;font-weight:700;letter-spacing:-.01em}
.meta p{color:var(--dim);margin-top:4px;font-size:15px}
.meta p button{text-decoration:underline;text-decoration-color:rgba(255,255,255,.3);text-underline-offset:3px}
.badge{display:inline-block;margin-top:8px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid var(--acc);color:var(--acc)}
.tr{display:flex;align-items:center;gap:18px}
.t{width:60px;height:60px;border-radius:50%;display:grid;place-items:center;font-size:25px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);transition:transform .15s,background .2s}
.t:hover{background:rgba(255,255,255,.16)}.t:active{transform:scale(.92)}
.t.big{width:82px;height:82px;font-size:33px;background:var(--txt);color:#0a0a0a;border:0}

.now{position:absolute;left:50%;top:26px;transform:translate(-50%,-140%);display:flex;gap:14px;align-items:center;padding:12px 18px 12px 12px;
  border-radius:18px;z-index:3;transition:transform .6s cubic-bezier(.2,.9,.2,1);max-width:min(440px,calc(100vw - 32px));background:rgba(20,20,26,.7)}
.now.show{transform:translate(-50%,0)}
.nc{width:72px;height:72px;border-radius:12px;background:#222 center/cover;flex:none}
.now b,.now span,.now small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.now b{font-size:17px}.now span{color:var(--dim);font-size:14px;margin-top:2px}.now small{color:var(--acc);font-size:12.5px;margin-top:4px}

.sheet{position:absolute;inset:16px;z-index:4;border-radius:22px;padding:26px;overflow-y:auto;background:rgba(10,10,14,.92);
  border:1px solid rgba(255,255,255,.14);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);animation:up .35s cubic-bezier(.2,.9,.2,1)}
@keyframes up{from{transform:translateY(40px);opacity:0}}
.x{position:sticky;top:0;float:right;font-size:26px;padding:10px;border-radius:50%;background:rgba(255,255,255,.1);z-index:1}
.sh{display:flex;gap:20px;align-items:center;margin-bottom:22px}
.sh .av{width:110px;height:110px;border-radius:50%;background:#222 center/cover;flex:none}
.sh h2{font-size:32px}.sh p{color:var(--dim);margin-top:4px}
.strip{display:flex;gap:16px;overflow-x:auto;padding:4px 2px 16px;scrollbar-width:thin}
.alb{flex:none;width:150px;text-align:left;border-radius:14px;padding:6px}
.alb:hover,.alb.cur{background:rgba(255,255,255,.08)}
.alb i{display:block;width:138px;height:138px;border-radius:10px;background:#222 center/cover;margin-bottom:8px}
.alb b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.alb small{color:var(--dim);font-size:12.5px}
.sheet h3{margin-top:10px}
.toast{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:6;padding:12px 20px;border-radius:14px;background:rgba(30,30,36,.95);
  border:1px solid rgba(255,255,255,.18);font-size:14.5px;max-width:calc(100vw - 32px);text-align:center}

/* планшет и телефон: боковые панели уходят вниз, круг остаётся главным */
@media (max-width:1040px){
  body{overflow:auto}
  #stage{position:relative;inset:auto;min-height:100%;grid-template-columns:1fr;padding:14px}
  main{order:1;padding-top:8px}.right{order:2}.left{order:3}
  .orbit{--S:min(86vw,48vh,420px)}
  .grow{max-height:60vh}
  .sheet{position:fixed;inset:0;border-radius:0;padding:18px}
  .sh .av{width:76px;height:76px}.sh h2{font-size:24px}
  .now{position:fixed;top:12px}.toast{position:fixed}
}