/* Drill v12. Reference-led media shell with cover-driven atmosphere and restrained app motion. */
/* tastemaker · critique: ShowTell 5 · Phil 5 · Hier 5 · Spec 5 · Restr 4 · Var 5 */
:root{color-scheme:dark;--bg:#0b0a0d;--surface:#151318;--raised:#1d1a21;--glass:rgba(28,25,32,.58);--primary:#d2c4ff;--on-primary:#17131f;--accent:#f25abf;--text:#f7f5fa;--muted:#a49ca9;--border:#343038;--danger:#ff8f9d;--ease-out:cubic-bezier(.23,1,.32,1);--ease-drawer:cubic-bezier(.32,.72,0,1);--ease-loop:cubic-bezier(.45,0,.55,1);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;color:var(--text);background:var(--bg)}
[data-theme="light"]{color-scheme:light;--bg:#eceaf0;--surface:#f9f7fb;--raised:#fff;--glass:rgba(250,248,252,.64);--primary:#49356b;--on-primary:#fff;--accent:#a72478;--text:#171319;--muted:#625b68;--border:#cbc4d1;--danger:#a42035}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{overflow-x:clip;background:var(--bg);scroll-behavior:smooth}
body{min-width:320px;min-height:100dvh;margin:0;overflow-x:clip;background:var(--bg);-webkit-tap-highlight-color:rgba(210,196,255,.12)}
button,input{font:inherit}
button,a{touch-action:manipulation}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.34}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.skip-link{position:fixed;top:10px;left:10px;z-index:80;padding:10px 14px;border-radius:10px;color:var(--on-primary);background:var(--primary);transform:translateY(-160%)}.skip-link:focus{transform:none}
.ambient{position:fixed;inset:0;z-index:-2;overflow:hidden;background:linear-gradient(145deg,var(--bg),#130f18 52%,#09090b)}
.ambient:after{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,13,.28),var(--bg) 78%);content:""}
.ambient>img{position:absolute;top:-20%;left:8%;width:84%;height:78%;object-fit:cover;filter:blur(100px) saturate(1.45);opacity:.25;transform:scale(1.25)}
.ambient-orb{position:absolute;width:34vw;height:34vw;border-radius:50%;filter:blur(100px);opacity:.18}
.ambient-orb.one{top:-12%;right:-8%;background:#b54bce}
.ambient-orb.two{bottom:-22%;left:-12%;background:#3159e8}
.app-shell{width:min(1180px,100%);min-height:100dvh;margin:0 auto;padding:0 34px 132px}
.topbar{display:flex;align-items:center;justify-content:space-between;height:92px}
.wordmark{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:750;letter-spacing:.2em}
.brand-mark{display:flex;align-items:end;gap:2px;width:21px;height:22px}
.brand-mark i{width:3px;border-radius:999px;background:linear-gradient(180deg,var(--primary),var(--accent))}.app-playing .brand-mark i{animation:meter .8s var(--ease-loop) infinite alternate}
.brand-mark i:nth-child(1){height:8px;animation-delay:-.2s}.brand-mark i:nth-child(2){height:17px;animation-delay:-.6s}.brand-mark i:nth-child(3){height:12px;animation-delay:-.4s}.brand-mark i:nth-child(4){height:20px;animation-delay:-.8s}
.build{display:none}
.head-actions{display:flex;align-items:center;gap:9px}
.private-pill{padding:8px 12px;border:1px solid rgba(255,255,255,.09);border-radius:999px;color:var(--muted);font-size:11px;background:rgba(255,255,255,.035)}
.icon-button,.add-top,.add-mobile,.control,.play,.shuffle,.queue-add,.mini,.text-button,.close{border:0;color:var(--text);background:transparent}
.icon-button{display:grid;width:40px;height:40px;place-items:center;border:1px solid rgba(255,255,255,.1);border-radius:50%;background:rgba(255,255,255,.045);transition:transform 120ms var(--ease-out),background 180ms var(--ease-out)}
.icon-button svg{width:19px;fill:none;stroke:currentColor;stroke-width:1.6}
.add-top,.add-mobile{display:flex;align-items:center;gap:7px;min-height:40px;padding:0 15px;border-radius:999px;color:var(--on-primary);font-size:12px;font-weight:700;background:var(--primary);transition:transform 120ms var(--ease-out),filter 180ms var(--ease-out)}
.add-top img,.add-mobile img{filter:brightness(0) saturate(100%)}
[data-theme="light"] .add-top img,[data-theme="light"] .add-mobile img{filter:brightness(0) invert(1)}
.add-mobile{display:none}
.view{display:none}
.view.visible{display:block;animation:view-in 260ms var(--ease-out) both}
.intro{display:flex;align-items:end;justify-content:space-between;gap:24px;margin:22px 0 28px}
.overline{margin:0;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.intro h1{max-width:760px;margin:7px 0 0;font-size:clamp(38px,6vw,72px);font-weight:640;line-height:.98;letter-spacing:-.065em}
.intro-copy{max-width:510px;margin:12px 0 0;color:var(--muted);font-size:14px;line-height:1.55}
.listen-grid{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(320px,.8fr);grid-template-areas:"player queue" "flow queue";gap:22px}
.player-card{grid-area:player;overflow:hidden;border:1px solid rgba(255,255,255,.1);border-radius:30px;background:linear-gradient(145deg,rgba(34,30,39,.88),rgba(19,17,22,.9));box-shadow:0 34px 80px rgba(0,0,0,.36)}
.stage{position:relative;display:grid;min-height:440px;overflow:hidden;place-items:center;background:radial-gradient(90% 110% at 74% 17%,#6f43d4 0%,transparent 48%),radial-gradient(90% 100% at 8% 92%,#d13b9c 0%,transparent 54%),#17131f;isolation:isolate}
.stage:before{position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(4,3,6,.04) 38%,rgba(6,5,8,.76) 100%);content:"";pointer-events:none}
.stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0;opacity:0;pointer-events:none}
.stage .cover{position:absolute;inset:0;z-index:1;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.01);filter:saturate(1.06) contrast(1.02);transition:opacity 240ms var(--ease-out),filter 240ms var(--ease-out)}
.stage.has-player.is-audio .cover{opacity:1}
.stage.has-player:not(.is-audio) iframe{opacity:1}
.stage.has-player:not(.is-audio) .cover{opacity:0}
.stage.is-playing .cover{animation:art-breathe 14s var(--ease-loop) infinite alternate}
.cover-shade{position:absolute;inset:0;z-index:2;background:radial-gradient(100% 70% at 50% 15%,transparent 35%,rgba(0,0,0,.34) 100%);pointer-events:none}
.empty{position:relative;z-index:3;display:grid;justify-items:center;gap:14px;width:min(310px,75%);color:rgba(255,255,255,.82);text-align:center}
.stage.has-player .empty{display:none}
.empty p{margin:0;font-size:14px;line-height:1.5}
.empty-mark{display:flex;align-items:end;justify-content:center;gap:5px;width:76px;height:76px;padding:22px;border:1px solid rgba(255,255,255,.32);border-radius:24px;background:rgba(255,255,255,.08);backdrop-filter:blur(14px)}
.empty-mark i{width:5px;border-radius:4px;background:#fff}.empty-mark i:nth-child(1){height:13px}.empty-mark i:nth-child(2){height:27px}.empty-mark i:nth-child(3){height:19px}
.text-button{padding:7px 0;border-bottom:1px solid rgba(255,255,255,.5);color:#fff;font-size:12px}
.progress{position:absolute;right:24px;bottom:21px;left:24px;z-index:4;height:3px;overflow:hidden;border-radius:999px;background:rgba(255,255,255,.22)}
.progress i{display:block;width:100%;height:100%;border-radius:inherit;background:#fff;box-shadow:0 0 12px rgba(255,255,255,.6);transform:scaleX(.001);transform-origin:left center;transition:transform 250ms linear}
.time{position:absolute;right:24px;bottom:31px;z-index:4;color:rgba(255,255,255,.72);font-size:10px;font-variant-numeric:tabular-nums;letter-spacing:.06em}
.sound-pill{position:absolute;bottom:43px;left:50%;z-index:5;min-height:40px;padding:0 18px;border:1px solid rgba(255,255,255,.32);border-radius:999px;color:#fff;background:rgba(9,7,12,.62);backdrop-filter:blur(22px) saturate(160%);transform:translateX(-50%)}
.playing-bars{position:absolute;bottom:42px;left:24px;z-index:4;display:flex;align-items:end;gap:3px;height:18px;opacity:0;transition:opacity 180ms var(--ease-out)}
.playing-bars i{width:3px;border-radius:3px;background:#fff;animation:meter .8s var(--ease-loop) infinite alternate}.playing-bars i:nth-child(1){height:8px;animation-delay:-.2s}.playing-bars i:nth-child(2){height:16px;animation-delay:-.5s}.playing-bars i:nth-child(3){height:11px;animation-delay:-.7s}.playing-bars i:nth-child(4){height:14px;animation-delay:-.3s}
.stage.is-playing .playing-bars{opacity:1}
.player-meta{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;padding:22px 24px 23px}
.now{min-width:0}
.now h2{overflow:hidden;margin:6px 0 0;font-size:clamp(21px,3vw,29px);font-weight:610;letter-spacing:-.04em;text-overflow:ellipsis;white-space:nowrap}
.track-meta{display:flex;align-items:center;gap:10px;margin-top:10px;color:var(--muted);font-size:11px}
.track-meta a{color:var(--primary);font-weight:650}.track-meta b{font-weight:550}
.controls{display:flex;align-items:center;gap:9px}
.control,.play{display:grid;place-items:center;border-radius:50%;transition:transform 120ms var(--ease-out),background 180ms var(--ease-out),color 180ms var(--ease-out)}
.control{width:42px;height:42px;color:var(--muted);background:rgba(255,255,255,.055)}
.control svg{width:19px;fill:currentColor}.volume svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.7}.volume .speaker{fill:currentColor;stroke:none}.volume .off{display:none}.volume.is-muted .wave{display:none}.volume.is-muted .off{display:block}
.play{width:58px;height:58px;color:var(--on-primary);background:var(--primary);box-shadow:0 10px 30px rgba(135,107,215,.28)}
.play:before{width:0;height:0;margin-left:4px;border-block:9px solid transparent;border-left:15px solid currentColor;content:""}
.play.is-paused:before{width:15px;height:20px;margin:0;border:0;border-inline:4px solid currentColor}
.queue{grid-area:queue;display:flex;min-height:0;flex-direction:column;padding:22px;border:1px solid rgba(255,255,255,.09);border-radius:28px;background:rgba(20,18,23,.72);box-shadow:0 30px 70px rgba(0,0,0,.25);backdrop-filter:blur(28px) saturate(130%)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:17px}
.section-head h2{margin:5px 0 0;font-size:25px;font-weight:620;letter-spacing:-.04em}
.section-head>span{color:var(--muted);font-size:10px}
.queue-tools{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:10px}
.queue-tools b{font-weight:550}
.shuffle{display:flex;align-items:center;gap:6px;min-height:32px;padding:0 10px;border:1px solid rgba(255,255,255,.1);border-radius:999px;color:var(--primary);font-size:10px;font-weight:700;background:rgba(255,255,255,.045)}
.shuffle img,.mini img{opacity:.9}
ol{display:grid;gap:6px;min-height:120px;max-height:588px;margin:0;padding:0;overflow:auto;overscroll-behavior:contain;list-style:none;scrollbar-width:thin;scrollbar-color:var(--border) transparent}
.item{display:grid;grid-template-columns:21px 48px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:66px;padding:8px;border:1px solid transparent;border-radius:17px;color:var(--muted);transition:transform 160ms var(--ease-out),background 180ms var(--ease-out),border-color 180ms var(--ease-out)}
.item.current{border-color:rgba(210,196,255,.2);color:var(--text);background:linear-gradient(90deg,rgba(94,67,140,.36),rgba(255,255,255,.035))}
.track-number{font-size:10px;font-variant-numeric:tabular-nums}
.track-art,.library-art,.flow-art,.art-fallback{object-fit:cover;background:linear-gradient(145deg,#765bd5,#df4cae 56%,#1c3ed0)}
.track-art{width:48px;height:48px;border-radius:13px}
.art-fallback{display:grid;place-items:center}.art-fallback img{width:24px;height:24px;opacity:.78}
.item-title{display:grid;min-width:0;padding:0;border:0;color:inherit;text-align:left;background:transparent}
.item-title strong,.item-title small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item-title strong{font-size:12px;font-weight:620}.item-title small{margin-top:4px;color:var(--muted);font-size:10px}
.item-actions{display:flex;gap:2px;opacity:.35;transition:opacity 180ms var(--ease-out)}
.item.current .item-actions{opacity:.8}
.mini{display:grid;width:27px;height:27px;padding:0;place-items:center;border-radius:9px;color:var(--muted);font-size:13px}
.mini.delete{color:var(--danger)}
.queue-empty{display:grid;min-height:160px;place-items:center;color:var(--muted);font-size:12px;text-align:center}
.queue-add{display:flex;align-items:center;justify-content:center;gap:7px;min-height:43px;margin-top:15px;border:1px solid rgba(255,255,255,.1);border-radius:14px;color:var(--primary);font-size:11px;font-weight:650;background:rgba(255,255,255,.035)}
.cover-flow-panel{grid-area:flow;min-width:0;padding:20px 0 3px}
.cover-flow{display:flex;gap:13px;overflow:auto;padding:1px 2px 12px;scroll-snap-type:x mandatory;scrollbar-width:none}
.cover-flow::-webkit-scrollbar{display:none}
.cover-tile{display:grid;flex:0 0 148px;gap:10px;padding:0;border:0;color:var(--text);text-align:left;background:transparent;scroll-snap-align:start;opacity:0;animation:tile-in 240ms var(--ease-out) forwards;animation-delay:calc(var(--i)*34ms)}
.flow-art{width:148px;height:164px;border-radius:20px;box-shadow:0 18px 32px rgba(0,0,0,.28)}
.cover-tile span{display:grid;min-width:0;padding:0 3px}.cover-tile strong,.cover-tile small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cover-tile strong{font-size:11px;font-weight:650}.cover-tile small{margin-top:4px;color:var(--muted);font-size:9px}
.flow-empty{width:100%;margin:0;padding:28px;border:1px dashed var(--border);border-radius:20px;color:var(--muted);font-size:12px;text-align:center}
.notice{max-width:720px;margin:22px 2px 0;color:var(--muted);font-size:11px;line-height:1.55}
.diag{display:none}
.library{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.row{position:relative;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;overflow:hidden;min-width:0;padding:0;border:1px solid rgba(255,255,255,.09);border-radius:24px;background:rgba(20,18,23,.74);box-shadow:0 24px 50px rgba(0,0,0,.22)}
.library-art{grid-column:1/-1;width:100%;height:220px;border-radius:0}
.library-copy{min-width:0;padding:17px 8px 17px 17px}.library-copy h2{overflow:hidden;margin:0;font-size:14px;font-weight:630;text-overflow:ellipsis;white-space:nowrap}.library-copy p{overflow:hidden;margin:5px 0 0;color:var(--muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}
.row-actions{display:flex;align-items:center;gap:5px;padding:13px 13px 13px 0}.button{min-height:36px;padding:0 11px;border:1px solid transparent;border-radius:11px;font-size:10px;font-weight:650}.button.primary{color:var(--on-primary);background:var(--primary)}.button.secondary{border-color:rgba(255,255,255,.11);color:var(--text);background:rgba(255,255,255,.035)}
.blank{display:grid;grid-column:1/-1;min-height:300px;place-items:center;align-content:center;gap:14px;padding:34px;border:1px dashed var(--border);border-radius:25px;color:var(--muted);text-align:center}.blank p{max-width:290px;margin:0;font-size:13px;line-height:1.55}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.steps article,.limit{padding:25px;border:1px solid rgba(255,255,255,.09);border-radius:24px;background:rgba(20,18,23,.72);backdrop-filter:blur(20px)}.steps b{color:var(--accent);font-size:11px}.steps h2,.limit h2{margin:38px 0 8px;font-size:21px}.steps p,.limit p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.limit{margin-top:16px}.limit h2{margin-top:0}
.mobile{position:fixed;bottom:max(18px,env(safe-area-inset-bottom));left:50%;z-index:20;display:grid;grid-template-columns:repeat(4,1fr);align-items:center;width:min(430px,calc(100% - 28px));min-height:70px;padding:7px;border:1px solid rgba(255,255,255,.2);border-radius:28px;background:linear-gradient(145deg,rgba(57,52,64,.58),rgba(20,18,24,.48));box-shadow:inset 0 1px 0 rgba(255,255,255,.22),inset 0 -1px 0 rgba(255,255,255,.05),0 22px 55px rgba(0,0,0,.48);backdrop-filter:blur(32px) saturate(190%);transform:translateX(-50%);isolation:isolate}
.mobile:before{position:absolute;inset:1px;z-index:-1;border-radius:27px;background:linear-gradient(115deg,rgba(255,255,255,.13),transparent 32%,rgba(255,255,255,.04) 70%,rgba(255,255,255,.1));content:"";pointer-events:none}
.nav,.nav-add{display:grid;min-height:54px;place-items:center;border:0;border-radius:21px;color:var(--muted);background:transparent;transition:transform 120ms var(--ease-out),color 180ms var(--ease-out),background 180ms var(--ease-out)}
.nav{grid-template-rows:26px auto;padding:6px 4px 4px;font-size:9px;font-weight:600}.nav img{opacity:.58;transition:opacity 180ms var(--ease-out),filter 180ms var(--ease-out)}.nav.active{color:var(--text);background:rgba(255,255,255,.12);box-shadow:inset 0 1px 0 rgba(255,255,255,.16)}.nav.active img{opacity:1;filter:brightness(1.2)}
.nav-add{width:54px;height:54px;min-height:54px;margin:auto;border:1px solid rgba(255,255,255,.28);background:linear-gradient(145deg,rgba(210,196,255,.96),rgba(160,137,224,.86));box-shadow:0 10px 24px rgba(89,61,142,.42)}.nav-add img{filter:brightness(0) saturate(100%)}
dialog{width:min(520px,calc(100% - 30px));padding:0;border:1px solid rgba(255,255,255,.14);border-radius:30px;color:var(--text);background:rgba(24,21,28,.88);box-shadow:0 36px 100px rgba(0,0,0,.64);backdrop-filter:blur(34px) saturate(150%)}
dialog[open]{animation:dialog-in 240ms var(--ease-drawer)}
dialog::backdrop{background:rgba(5,4,7,.65);backdrop-filter:blur(10px)}
form{position:relative;padding:34px}.close{position:absolute;top:18px;right:18px;display:grid;width:36px;height:36px;place-items:center;border-radius:50%;color:var(--muted);font-size:24px;background:rgba(255,255,255,.06)}form h2{margin:8px 0 0;font-size:30px;letter-spacing:-.045em}form>p{margin:10px 0 24px;color:var(--muted);font-size:13px;line-height:1.55}label{display:block;margin-bottom:8px;font-size:12px;font-weight:650}input{width:100%;height:50px;padding:0 14px;border:1px solid var(--border);border-radius:14px;color:var(--text);background:rgba(255,255,255,.045);outline:none}input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(210,196,255,.12)}form small{display:block;min-height:20px;margin-top:8px;color:var(--muted);font-size:11px}.error{color:var(--danger)}.actions{display:flex;justify-content:flex-end;gap:8px;margin-top:17px}
.toast{position:fixed;right:24px;bottom:106px;z-index:30;max-width:360px;padding:12px 15px;border:1px solid rgba(255,255,255,.14);border-radius:15px;color:var(--text);font-size:12px;background:rgba(30,27,34,.82);box-shadow:0 18px 45px rgba(0,0,0,.38);opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity 180ms var(--ease-out),transform 180ms var(--ease-out);backdrop-filter:blur(24px)}.toast.show{opacity:1;transform:none}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
button:active,.nav:active{transform:translateY(1px)}
@keyframes view-in{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}
@keyframes dialog-in{from{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:none}}
@keyframes tile-in{from{opacity:0;transform:translateX(10px)}to{opacity:1;transform:none}}
@keyframes meter{from{transform:scaleY(.48)}to{transform:scaleY(1)}}
@keyframes art-breathe{from{transform:scale(1.01)}to{transform:scale(1.055)}}
@media (hover:hover) and (pointer:fine){.icon-button:hover,.control:hover,.mini:hover{color:var(--text);background:rgba(255,255,255,.1)}.add-top:hover,.add-mobile:hover{filter:brightness(1.06)}.item:hover{transform:translateX(2px);background:rgba(255,255,255,.055)}.item:hover .item-actions{opacity:1}.cover-tile:hover .flow-art{filter:brightness(1.08)}.nav:hover{color:var(--text);background:rgba(255,255,255,.07)}}
@media(max-width:900px){.app-shell{padding-inline:20px}.listen-grid{grid-template-columns:1fr;grid-template-areas:"player" "flow" "queue"}.queue{max-height:none}ol{max-height:380px}.library{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.app-shell{padding:0 15px 118px}.topbar{height:74px}.private-pill,.add-top{display:none}.add-mobile{display:flex}.intro{align-items:center;margin:17px 2px 22px}.intro h1{font-size:43px}.intro-copy{max-width:310px;font-size:12px}.player-card{border-radius:25px}.stage{min-height:390px}.player-meta{grid-template-columns:1fr;padding:18px}.controls{justify-content:center}.now h2{font-size:24px}.queue{padding:17px;border-radius:24px}.cover-flow-panel{padding-top:13px}.flow-art{height:150px}.library{grid-template-columns:1fr}.library-art{height:250px}.steps{grid-template-columns:1fr}.steps article{min-height:160px}.steps h2{margin-top:26px}.toast{right:15px;bottom:103px;left:15px;max-width:none}.section-head>span{display:none}form{padding:30px 20px 21px}}
@media(max-width:380px){.intro h1{font-size:38px}.stage{min-height:350px}.control{width:39px;height:39px}.play{width:54px;height:54px}.cover-tile{flex-basis:132px}.flow-art{width:132px;height:145px}.item{grid-template-columns:18px 44px minmax(0,1fr) auto}.track-art{width:44px;height:44px}.item-actions .mini:not(.delete){display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.view.visible,.cover-tile,dialog[open],.brand-mark i,.playing-bars i,.stage.is-playing .cover{animation:none!important}.item,.cover,.toast,.nav,.icon-button,.control,.play{transition-duration:.01ms!important}}