/* Track ID / WordShift — focused music-recognition arcade */
:root{color-scheme:dark;--bg:#07070c;--panel:#101019;--ink:#f5f2ff;--muted:#a09bb3;--muted-2:#706b82;--line:rgba(255,255,255,.1);--accent:#a45bff;--accent-rgb:164,91,255;--accent-ink:#170d24}
body[data-difficulty="easy"]{--accent:#5ae6a5;--accent-rgb:90,230,165;--accent-ink:#091e15}
body[data-difficulty="medium"]{--accent:#ffca61;--accent-rgb:255,202,97;--accent-ink:#241907}
body[data-difficulty="hard"]{--accent:#ff435a;--accent-rgb:255,67,90;--accent-ink:#2b080d}
body[data-difficulty="impossible"]{--accent:#a45bff;--accent-rgb:164,91,255;--accent-ink:#170d24}
*{box-sizing:border-box} [hidden]{display:none!important}
html{min-height:100%;background:var(--bg)}
body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 51% 0,rgba(var(--accent-rgb),.065),transparent 45rem),var(--bg);color:var(--ink);font:13px/1.5 "DM Sans",Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;transition:background .25s}
button,input{font:inherit}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}a{color:inherit;text-decoration:none}
.site-head{position:relative;z-index:5;min-height:59px;padding:0 clamp(16px,3vw,42px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.055);background:rgba(7,7,12,.82)}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:-.03em}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:var(--accent);color:var(--accent-ink);font:700 15px "Space Grotesk";box-shadow:0 2px 18px rgba(var(--accent-rgb),.2)}.brand strong{font-weight:800}.brand-divider{color:#575267;margin:0 1px}.top-nav{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:8px;color:#a49fb4;font-size:11px;font-weight:750}.top-nav a{padding:8px 13px;border-radius:999px;transition:background .15s,color .15s}.top-nav a:hover,.top-nav .nav-active{background:rgba(var(--accent-rgb),.13);color:var(--accent)}
.app-layout{position:relative;z-index:1;width:min(1160px,calc(100% - 36px));margin:0 auto;padding:27px 0 65px;display:grid;grid-template-columns:minmax(150px,190px) minmax(440px,560px) minmax(150px,190px);justify-content:center;align-items:start;gap:clamp(18px,3vw,42px)}
.side-panel{display:flex;flex-direction:column;gap:20px;padding-top:8px;min-width:0}.settings-block{padding:0 0 17px;border-bottom:1px solid rgba(255,255,255,.06)}.side-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0 0 9px;color:#68637a;font-size:8px;font-weight:800;letter-spacing:.2em}.side-heading output{color:var(--muted);font-size:9px;letter-spacing:.04em}
.difficulty-options{display:flex;flex-direction:column;gap:5px}.difficulty-options button{min-height:31px;padding:7px 11px;border:1px solid transparent;border-radius:10px;background:rgba(255,255,255,.038);color:#aaa5b6;text-align:left;font-size:10px;font-weight:750;transition:background .16s,border-color .16s,color .16s,transform .16s;cursor:pointer}.difficulty-options button:hover{color:var(--ink);background:rgba(255,255,255,.07)}.difficulty-options button.active{background:rgba(var(--accent-rgb),.115);border-color:rgba(var(--accent-rgb),.14);color:var(--accent)}
.reroll-button{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:12px;padding:9px 12px;border:0;border-radius:9px;background:var(--accent);color:var(--accent-ink);font-size:10px;font-weight:800;cursor:pointer;transition:filter .16s,transform .16s}.reroll-button:hover{filter:brightness(1.1);transform:translateY(-1px)}.reroll-button span{font-size:14px;line-height:1}
.mini-stat{padding:13px 12px;border:1px solid rgba(255,255,255,.07);border-radius:12px;background:rgba(255,255,255,.018);color:var(--muted)}.mini-stat>span{display:block;color:#68637a;font-size:8px;font-weight:800;letter-spacing:.2em}.mini-stat>strong{display:block;margin:1px 0 9px;font:600 23px/1.1 "Space Grotesk";color:var(--ink)}.mini-stat-row{display:flex;align-items:center;justify-content:space-between;padding-top:7px;border-top:1px solid rgba(255,255,255,.055);font-size:10px}.mini-stat-row+.mini-stat-row{margin-top:6px}.mini-stat-row b{color:var(--ink);font-size:11px;font-variant-numeric:tabular-nums}
.game-column{position:relative;isolation:isolate;min-width:0;min-height:650px;padding:0 9px 28px}.game-column:before{content:"";position:absolute;z-index:-1;inset:-27px -25px -100px;background:linear-gradient(180deg,rgba(var(--accent-rgb),.075),rgba(var(--accent-rgb),.022) 45%,transparent 100%);clip-path:polygon(7% 0,93% 0,100% 100%,0 100%);pointer-events:none;transition:background .2s}
.stage-shell{position:relative;min-width:0;padding:20px 11px 16px;border:1px solid rgba(var(--accent-rgb),.065);border-radius:19px;background:linear-gradient(150deg,rgba(255,255,255,.012),transparent 40%),rgba(14,12,21,.38);overflow:visible;transition:border-color .2s}
.stage-brand-watermark{position:absolute;z-index:-1;top:92px;left:0;right:0;pointer-events:none;text-align:center;color:rgba(var(--accent-rgb),.05);font:700 clamp(36px,5vw,59px)/1 "Space Grotesk";font-style:italic;letter-spacing:-.06em;user-select:none}
.stage-topline{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 3px 17px}.live-pill{display:inline-flex;align-items:center;gap:7px;padding:5px 8px;border:1px solid rgba(var(--accent-rgb),.14);border-radius:999px;background:rgba(var(--accent-rgb),.055);color:var(--accent);font-size:8px;font-weight:800;letter-spacing:.15em}.live-pill i{width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(var(--accent-rgb),.6)}.stage-counter{color:#777187;font-size:8px;font-weight:800;letter-spacing:.12em;font-variant-numeric:tabular-nums}
.filter-reels{display:flex;flex-direction:column;margin:0 2px 18px}.filter-row{display:grid;grid-template-columns:57px minmax(0,1fr);align-items:center;gap:7px;min-height:34px;border-bottom:1px solid rgba(255,255,255,.035)}.filter-label{color:#777187;font-size:7px;font-weight:850;letter-spacing:.1em}.filter-options{display:flex;align-items:center;gap:4px;min-width:0;overflow-x:auto;scrollbar-width:none;padding:4px 1px}.filter-options::-webkit-scrollbar{display:none}.filter-options button{flex:0 0 auto;padding:4px 7px;border:1px solid transparent;border-radius:6px;background:transparent;color:#7c768f;font-size:8px;font-weight:650;white-space:nowrap;cursor:pointer;transition:background .15s,color .15s}.filter-options button:hover{color:var(--ink);background:rgba(255,255,255,.045)}.filter-options button.active{background:rgba(var(--accent-rgb),.105);color:var(--accent)}.filter-options button.active:after{content:"";display:block;width:4px;height:4px;margin:3px auto -2px;border-radius:50%;background:var(--accent)}
.round-area{position:relative;display:flex;align-items:center;flex-direction:column;min-width:0;padding:11px 0 2px;text-align:center}.track-art-shell{width:105px;height:105px;margin:4px auto 9px;overflow:hidden;border:1px solid rgba(var(--accent-rgb),.6);border-radius:18px;background:#171320;box-shadow:0 12px 35px rgba(0,0,0,.2)}.track-art-shell img{display:block;width:100%;height:100%;object-fit:cover}.track-art-shell img[hidden],.track-art-shell span[hidden]{display:none}.track-art-shell span:not([hidden]){display:grid;place-items:center;width:100%;height:100%;font-size:35px;color:var(--accent)}
.reveal-kicker{margin:0 0 4px;color:var(--accent);font-size:8px;font-weight:900;letter-spacing:.25em}.reveal-title{max-width:100%;margin:2px 0 6px;font:700 clamp(19px,2.5vw,28px)/1.08 "Space Grotesk";letter-spacing:-.055em;overflow-wrap:anywhere}.reveal-artist{margin:0;color:#aaa3b8;font-size:10px}.reveal-album{margin:4px 0;color:#777187;font-size:9px}.result-message{margin:11px 0 0;color:var(--accent);font-size:9px;font-weight:650}
.main-play{position:relative;display:grid;place-items:center;width:72px;height:72px;margin:2px auto 0;border:0;border-radius:50%;background:var(--accent);color:var(--accent-ink);box-shadow:0 8px 35px rgba(var(--accent-rgb),.17),inset 0 1px rgba(255,255,255,.4);font-size:22px;cursor:pointer;transition:transform .18s,filter .18s,box-shadow .18s}.main-play:hover:not(:disabled){transform:scale(1.055);filter:brightness(1.06);box-shadow:0 12px 45px rgba(var(--accent-rgb),.27)}.main-play:active:not(:disabled){transform:scale(.98)}.main-play:disabled{opacity:.55;cursor:wait}.main-play.is-playing{animation:pulseGlow 1.2s ease-in-out infinite alternate}@keyframes pulseGlow{from{box-shadow:0 8px 30px rgba(var(--accent-rgb),.16)}to{box-shadow:0 8px 42px rgba(var(--accent-rgb),.38)}}
.play-caption{display:flex;align-items:center;justify-content:center;gap:9px;margin:9px 0 14px;color:var(--accent);font-size:8px;font-weight:750}.play-caption span{color:#9b7dc4;font-size:9px;font-variant-numeric:tabular-nums}
.clip-timeline{width:min(100%,375px);margin:0 auto 17px}.clip-track{height:6px;overflow:hidden;border-radius:99px;background:rgba(255,255,255,.11)}.clip-track span{display:block;width:4%;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),#6fe1ed);transition:width .22s}.clip-labels{display:flex;justify-content:space-between;gap:6px;margin-top:6px;color:#887f9c;font-size:8px;font-variant-numeric:tabular-nums}.clip-labels span.active{color:var(--accent);font-weight:800}
.guess-row{position:relative;display:flex;align-items:stretch;gap:7px;width:min(100%,400px);margin:6px auto 0}.song-search{position:relative;display:flex;align-items:center;flex:1;min-width:0;border:1px solid rgba(255,255,255,.1);border-radius:10px;background:rgba(7,7,13,.78);transition:border-color .15s,background .15s}.song-search:focus-within{border-color:rgba(var(--accent-rgb),.7);background:#0b0a12}.search-icon{flex:0 0 auto;padding-left:11px;color:#777187;font-size:21px;line-height:1}.song-search input{width:100%;min-width:0;padding:11px 10px;border:0;outline:none;background:transparent;color:var(--ink);font-size:10px}.song-search input::placeholder{color:#726d7e}.song-search input:disabled{opacity:.45}.skip-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:73px;padding:9px 11px;border:1px solid rgba(255,255,255,.12);border-radius:10px;background:rgba(255,255,255,.035);color:#d7d1e2;font-size:9px;font-weight:750;cursor:pointer;transition:border-color .15s,background .15s}.skip-button:hover:not(:disabled){border-color:rgba(var(--accent-rgb),.5);background:rgba(var(--accent-rgb),.09)}.skip-button:disabled{opacity:.35;cursor:not-allowed}
.song-suggestions{position:absolute;z-index:15;inset:calc(100% + 5px) 0 auto;max-height:220px;overflow-y:auto;padding:5px;border:1px solid rgba(var(--accent-rgb),.26);border-radius:10px;background:#12101b;box-shadow:0 18px 45px rgba(0,0,0,.5);text-align:left}.song-suggestion{display:flex;align-items:center;gap:8px;width:100%;padding:7px;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--ink);text-align:left;cursor:pointer}.song-suggestion:hover,.song-suggestion.active{border-color:rgba(var(--accent-rgb),.17);background:rgba(var(--accent-rgb),.11)}.suggestion-art{width:30px;height:30px;flex:0 0 30px;object-fit:cover;border-radius:6px;background:#211a2e}.suggestion-copy{display:flex;flex:1;min-width:0;flex-direction:column}.suggestion-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:9px}.suggestion-copy small{overflow:hidden;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:8px}
.feedback{min-height:14px;width:100%;margin:9px 0 0;color:#8e879e;font-size:9px;text-align:center}.feedback.success{color:var(--accent)}.feedback.error{color:#ff9b9b}
.result-actions{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;width:100%;margin:18px 0 0}.challenge-button,.next-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:36px;padding:9px 14px;border:1px solid rgba(var(--accent-rgb),.35);border-radius:10px;background:rgba(var(--accent-rgb),.06);color:var(--ink);font-size:9px;font-weight:800;cursor:pointer;transition:transform .15s,border-color .15s,background .15s}.challenge-button:hover,.next-button:hover{transform:translateY(-1px);border-color:var(--accent)}.next-button{min-width:94px;border-color:var(--accent);background:var(--accent);color:var(--accent-ink)}
.right-panel .settings-block{padding-bottom:17px}.setting-action{display:flex;align-items:center;gap:8px;width:100%;padding:10px 11px;border:1px solid rgba(var(--accent-rgb),.14);border-radius:10px;background:rgba(var(--accent-rgb),.07);color:var(--accent);text-align:left;font-size:10px;font-weight:750;cursor:pointer}.setting-action[aria-pressed="false"]{border-color:var(--line);background:rgba(255,255,255,.025);color:var(--muted)}.setting-action>span:first-child{font-size:13px}
.guess-after-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}.guess-after-options button{padding:7px 3px;border:1px solid transparent;border-radius:7px;background:rgba(255,255,255,.035);color:#8f899f;font-size:9px;font-weight:750;cursor:pointer;transition:background .15s,color .15s}.guess-after-options button:hover{color:var(--ink)}.guess-after-options button.active{background:rgba(var(--accent-rgb),.12);color:var(--accent)}
.volume-block input[type=range]{width:100%;height:4px;margin:8px 0 2px;accent-color:var(--accent);cursor:pointer}.filters-summary p{margin:0;color:#a8a1b9;font-size:9px;line-height:1.5}.filters-summary .pool-summary{margin-top:7px;color:#6f6a82;font-size:8px}
.toast{position:fixed;z-index:50;left:50%;bottom:25px;transform:translateX(-50%);padding:10px 15px;border:1px solid rgba(var(--accent-rgb),.3);border-radius:10px;background:#171321;color:var(--ink);font-size:10px;box-shadow:0 15px 40px rgba(0,0,0,.5)}.toast[hidden]{display:none}
@media(min-width:1200px){.app-layout{padding-top:31px}.stage-shell{padding:23px 15px 18px}.stage-topline{margin-bottom:22px}.filter-reels{margin-bottom:24px}.round-area{padding-top:13px}.main-play{width:80px;height:80px;font-size:24px}.track-art-shell{width:112px;height:112px}}
@media(max-width:1000px){.app-layout{width:min(850px,calc(100% - 26px));grid-template-columns:minmax(130px,170px) minmax(380px,1fr);gap:22px}.game-column{grid-row:1 / span 2;grid-column:2}.right-panel{grid-column:1;grid-row:2}.left-panel{grid-column:1;grid-row:1}.mini-stat{display:none}.right-panel{gap:13px}.guess-after-options{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:680px){.site-head{min-height:53px;padding:0 13px}.brand{gap:6px;font-size:11px}.brand-mark{width:27px;height:27px;border-radius:8px;font-size:13px}.top-nav{gap:2px;font-size:10px}.top-nav a{padding:7px 8px}.app-layout{width:calc(100% - 18px);padding:12px 0 30px;display:flex;flex-direction:column;gap:10px}.game-column{order:0;width:100%;min-height:auto;padding:0 1px 18px}.game-column:before{inset:-12px -12px -40px;clip-path:polygon(8% 0,92% 0,100% 100%,0 100%)}.stage-shell{padding:14px 8px 13px;border-radius:15px}.stage-topline{margin:0 3px 12px}.stage-brand-watermark{top:107px;font-size:42px}.filter-row{grid-template-columns:49px minmax(0,1fr);min-height:32px;gap:3px}.filter-options button{font-size:8px;padding:4px 6px}.filter-reels{margin-bottom:15px}.main-play{width:66px;height:66px;font-size:20px}.track-art-shell{width:89px;height:89px;border-radius:15px}.clip-timeline{margin-bottom:14px}.guess-row{width:100%}.song-search input{font-size:10px}.side-panel{width:100%;padding:12px;border:1px solid rgba(255,255,255,.065);border-radius:13px;background:rgba(255,255,255,.018);gap:12px}.left-panel{order:1}.right-panel{order:2;display:grid;grid-template-columns:1fr 1fr;gap:12px}.left-panel .settings-block{border:0;padding:0}.difficulty-options{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:5px}.difficulty-options button{padding:8px 2px;text-align:center;font-size:9px;min-width:0}.reroll-button{margin-top:9px;max-width:100%}.right-panel .settings-block{padding:0;border-bottom:0}.filters-summary{grid-column:1/-1}.guess-after-options{grid-template-columns:repeat(3,minmax(0,1fr))}.mini-stat{display:none}.game-column{min-width:0}.result-actions{margin-top:15px}.toast{bottom:15px;max-width:calc(100% - 26px);width:max-content;text-align:center}}
@media(max-width:390px){.brand-divider,.brand strong{display:none}.top-nav a{padding:7px 6px}.filter-row{grid-template-columns:43px minmax(0,1fr)}.filter-label{font-size:6px}.side-panel{padding:10px}.right-panel{gap:10px}.difficulty-options button{font-size:8px}.skip-button{min-width:58px;padding:8px 7px}.stage-shell{padding-left:6px;padding-right:6px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}


/* Centered tier chips echo the reference game's compact, color-coded difficulty row. */
.center-difficulty-options{display:flex;align-items:center;justify-content:center;gap:5px;flex-wrap:wrap;margin:-2px 3px 15px}
.center-difficulty-options button{--tier-color:#a45bff;display:inline-flex;align-items:center;justify-content:center;min-width:48px;padding:5px 10px;border:1px solid transparent;border-radius:999px;background:rgba(255,255,255,.045);color:var(--tier-color);font-size:8px;font-weight:850;line-height:1.2;cursor:pointer;transition:transform .15s,background .15s,border-color .15s,color .15s}
.center-difficulty-options button[data-difficulty="easy"]{--tier-color:#5ae6a5}
.center-difficulty-options button[data-difficulty="medium"]{--tier-color:#ffca61}
.center-difficulty-options button[data-difficulty="hard"]{--tier-color:#ff435a}
.center-difficulty-options button[data-difficulty="impossible"]{--tier-color:#a45bff}
.center-difficulty-options button:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--tier-color) 45%,transparent);background:color-mix(in srgb,var(--tier-color) 10%,transparent)}
.center-difficulty-options button.active{border-color:var(--tier-color);background:var(--tier-color);color:#130f18;box-shadow:0 4px 16px color-mix(in srgb,var(--tier-color) 22%,transparent)}
@media(max-width:680px){.center-difficulty-options{gap:4px;margin:-1px 1px 12px}.center-difficulty-options button{min-width:45px;padding:5px 7px;font-size:7.5px}}


/* ---- Larger desktop presentation and interactive carousel reels ---- */
.filter-carousel{display:grid;grid-template-columns:22px minmax(0,1fr) 22px;grid-template-rows:auto 3px;align-items:center;gap:3px 5px;min-width:0}
.carousel-arrow{grid-row:1;display:grid;place-items:center;width:22px;height:30px;padding:0;border:1px solid rgba(255,255,255,.055);border-radius:7px;background:rgba(255,255,255,.025);color:#9188a8;font-size:17px;line-height:1;cursor:pointer;transition:color .16s,border-color .16s,background .16s,transform .16s}
.carousel-arrow[data-direction="-1"]{grid-column:1}
.carousel-arrow[data-direction="1"]{grid-column:3}
.carousel-arrow:hover{border-color:rgba(var(--accent-rgb),.35);background:rgba(var(--accent-rgb),.08);color:var(--accent);transform:scale(1.04)}
.filter-options{grid-column:2;grid-row:1;scroll-behavior:smooth;scroll-snap-type:x proximity;overscroll-behavior-x:contain;mask-image:linear-gradient(90deg,transparent 0,#000 2%,#000 98%,transparent 100%)}
.filter-options button{scroll-snap-align:center;transition:background .2s,color .2s,transform .2s,border-color .2s}
.filter-options button:active{transform:scale(.96)}
.filter-options button.active{border-color:rgba(var(--accent-rgb),.12)}
.carousel-progress{grid-column:2;grid-row:2;position:relative;overflow:hidden;height:3px;margin:1px 3px 0;border-radius:99px;background:rgba(255,255,255,.07)}
.carousel-progress span{position:absolute;top:0;left:0;width:25%;height:100%;border-radius:99px;background:var(--accent);box-shadow:0 0 10px rgba(var(--accent-rgb),.45);transition:left .22s ease,width .22s ease}
.filter-carousel:not(.is-scrollable) .carousel-arrow{opacity:.48}
.round-summary{display:flex;align-items:baseline;gap:7px;margin-bottom:13px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.15em}
.round-summary strong{color:var(--ink);font:700 29px/1 "Space Grotesk";letter-spacing:-.06em}.round-summary>span:last-child{color:#716b83;font-size:10px;letter-spacing:0}
.max-score-label{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;margin-bottom:7px;border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07)}
.max-score-label span{color:#827a97;font-size:9px;font-weight:800;letter-spacing:.14em}.max-score-label strong{color:var(--accent);font:700 19px/1 "Space Grotesk"}
.mini-stat-row .score-value{display:flex;align-items:baseline;gap:4px}.mini-stat-row .score-value small{color:#777187;font-size:9px;font-weight:600}
.clip-track{position:relative;height:8px;overflow:hidden;border-radius:99px;background:rgba(255,255,255,.11);box-shadow:inset 0 1px 2px rgba(0,0,0,.2)}
.clip-track span{position:relative;display:block;width:12%;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--accent) 48%,#6fe1ed));box-shadow:0 0 13px rgba(var(--accent-rgb),.4);will-change:width}
.clip-track span:not([style*="transition"]){transition:width 180ms ease}
.clip-labels span{transition:color .18s,transform .18s}
.clip-labels span.active{transform:scale(1.12)}
@media(min-width:1100px){
 body{font-size:14px}
 .site-head{min-height:70px;padding:0 clamp(30px,4vw,68px)}
 .brand{gap:10px;font-size:14px}.brand-mark{width:34px;height:34px;border-radius:11px;font-size:17px}
 .top-nav{font-size:13px;gap:12px}.top-nav a{padding:9px 16px}
 .app-layout{width:min(1500px,calc(100% - 64px));padding:42px 0 80px;grid-template-columns:minmax(210px,250px) minmax(560px,760px) minmax(190px,230px);gap:clamp(26px,3vw,48px)}
 .side-panel{gap:25px;padding-top:10px}.settings-block{padding-bottom:22px}.side-heading{font-size:10px;margin-bottom:12px}
 .difficulty-options{gap:7px}.difficulty-options button{min-height:42px;padding:10px 14px;border-radius:11px;font-size:12px}
 .reroll-button{padding:12px 14px;font-size:12px;border-radius:10px}
 .mini-stat{padding:17px 16px;border-radius:15px}.round-summary{font-size:12px;margin-bottom:16px}.round-summary strong{font-size:34px}.round-summary>span:last-child{font-size:12px}
 .max-score-label{padding:12px 0;margin-bottom:10px}.max-score-label span{font-size:10px}.max-score-label strong{font-size:22px}
 .mini-stat-row{font-size:12px;padding-top:9px}.mini-stat-row b{font-size:13px}.mini-stat-row .score-value small{font-size:10px}
 .game-column{min-height:740px;padding:0 10px 32px}.game-column:before{inset:-42px -35px -120px}
 .stage-shell{padding:29px 27px 25px;border-radius:23px}
 .stage-brand-watermark{top:125px;font-size:72px}
 .stage-topline{margin:0 7px 24px}.live-pill{padding:7px 11px;font-size:10px}.live-pill i{width:6px;height:6px}.stage-counter{font-size:10px}
 .filter-reels{margin:0 4px 25px}.filter-row{grid-template-columns:76px minmax(0,1fr);min-height:48px;gap:10px}
 .filter-label{font-size:9px;letter-spacing:.13em}
 .filter-carousel{grid-template-columns:27px minmax(0,1fr) 27px;grid-template-rows:auto 4px;gap:4px 7px}
 .carousel-arrow{width:27px;height:36px;font-size:21px;border-radius:9px}
 .filter-options{gap:7px;padding:6px 2px}
 .filter-options button{padding:7px 10px;border-radius:8px;font-size:10px}
 .carousel-progress{height:4px;margin:2px 5px 0}
 .center-difficulty-options{gap:8px;margin:0 5px 23px}
 .center-difficulty-options button{min-width:65px;padding:8px 14px;font-size:11px}
 .round-area{padding:16px 0 7px}
 .track-art-shell{width:132px;height:132px;margin:5px auto 12px;border-radius:21px}
 .reveal-kicker{font-size:10px}.reveal-title{font-size:34px}.reveal-artist{font-size:13px}.reveal-album{font-size:11px}.result-message{font-size:12px}
 .clip-timeline{width:min(100%,540px);margin-bottom:24px}
 .clip-track{height:9px}.clip-labels{margin-top:9px;font-size:10px}
 .main-play{width:100px;height:100px;font-size:30px}
 .play-caption{gap:12px;margin:12px 0 19px;font-size:10px}.play-caption span{font-size:11px}
 .guess-row{width:min(100%,570px);gap:10px;margin-top:9px}
 .song-search{border-radius:12px}.song-search input{padding:15px 13px;font-size:12px}.search-icon{padding-left:14px;font-size:24px}
 .skip-button{min-width:94px;padding:12px 15px;border-radius:12px;font-size:11px}
 .feedback{font-size:11px;margin-top:13px;min-height:17px}
 .side-panel .settings-block{padding-bottom:22px}.setting-action{padding:13px 14px;border-radius:11px;font-size:12px}
 .guess-after-options{gap:7px}.guess-after-options button{padding:9px 5px;font-size:11px;border-radius:8px}
 .volume-block input[type=range]{height:5px;margin-top:12px}
 .filters-summary p{font-size:11px}.filters-summary .pool-summary{font-size:10px}
}
@media(min-width:1100px) and (max-width:1300px){
 .app-layout{grid-template-columns:minmax(190px,220px) minmax(520px,650px) minmax(180px,205px);gap:24px;width:calc(100% - 48px)}
 .filter-row{grid-template-columns:64px minmax(0,1fr)}
 .filter-options button{padding:6px 8px;font-size:9px}
 .center-difficulty-options button{min-width:58px;padding:7px 10px}
}
@media(max-width:680px){
 .filter-carousel{grid-template-columns:18px minmax(0,1fr) 18px;column-gap:3px}
 .carousel-arrow{width:18px;height:27px;font-size:15px}
 .carousel-progress{height:2px;margin-top:1px}
 .round-summary strong{font-size:25px}
 .max-score-label span{font-size:8px}
 .max-score-label strong{font-size:17px}
 .mini-stat-row .score-value small{font-size:8px}
}


/* Track ID usability polish: answer reveal, skip control and larger desktop scale. */
.skip-button svg{display:block;width:13px;height:13px;flex:0 0 13px}
.skip-button span{display:inline-block}
.stage-shell.round-exit{animation:trackRoundExit .32s cubic-bezier(.2,.75,.3,1) forwards;pointer-events:none}
.stage-shell.round-enter{animation:trackRoundEnter .52s cubic-bezier(.2,.85,.25,1) both}
.stage-shell.round-finale{border-color:rgba(var(--accent-rgb),.34);box-shadow:0 0 42px rgba(var(--accent-rgb),.1)}
@keyframes trackRoundExit{0%{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}100%{opacity:0;transform:translateY(-18px) scale(.975);filter:blur(5px)}}
@keyframes trackRoundEnter{0%{opacity:0;transform:translateY(25px) scale(.965);filter:blur(5px)}70%{opacity:1;transform:translateY(-3px) scale(1.005);filter:blur(0)}100%{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}}
@media(min-width:1200px){
 body{font-size:16px}
 .app-layout{width:min(1640px,calc(100% - 48px));grid-template-columns:minmax(260px,300px) minmax(700px,900px) minmax(250px,300px);gap:clamp(32px,3vw,46px);padding-top:48px}
 .game-column{min-height:820px}
 .stage-shell{padding:32px 32px 29px;border-radius:26px}
 .stage-topline{margin-bottom:28px}
 .filter-row{grid-template-columns:82px minmax(0,1fr);min-height:53px}
 .filter-label{font-size:10px}
 .filter-options button{font-size:11px;padding:8px 11px}
 .filter-carousel{grid-template-columns:30px minmax(0,1fr) 30px;grid-template-rows:auto 4px;gap:5px 9px}
 .carousel-arrow{width:30px;height:40px;font-size:24px}
 .filter-reels{margin-bottom:30px}
 .center-difficulty-options{margin-bottom:27px;gap:10px}
 .center-difficulty-options button{font-size:12px;min-width:73px;padding:9px 15px}
 .main-play{width:112px;height:112px;font-size:34px}
 .track-art-shell{width:148px;height:148px}
 .play-caption{font-size:12px;margin:15px 0 22px}
 .clip-timeline{width:min(100%,650px);margin-bottom:30px}
 .clip-track{height:10px}
 .clip-labels{font-size:12px}
 .guess-row{width:min(100%,660px);gap:12px}
 .song-search input{font-size:14px;padding:18px 15px}
 .search-icon{padding-left:16px;font-size:26px}
 .skip-button{min-width:110px;padding:14px 17px;font-size:13px}
 .feedback{font-size:12px;margin-top:15px}
 .difficulty-options button{min-height:46px;font-size:13px;padding:12px 15px}
 .side-heading{font-size:11px}
 .reroll-button{font-size:13px;padding:14px}
 .setting-action{padding:15px 16px;font-size:13px}
 .guess-after-options button{padding:10px 6px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){.stage-shell.round-exit,.stage-shell.round-enter{animation:none!important;filter:none!important;opacity:1!important;transform:none!important}}

.track-source-link{display:inline-flex;align-items:center;gap:6px;margin-top:7px;color:#8dceaa;font-size:9px;font-weight:750;text-decoration:none;transition:color .15s,transform .15s}
.track-source-link:hover{color:#b6f0cf;transform:translateY(-1px)}
.song-search{min-height:44px}
.song-search input{line-height:1.35}
.skip-button{align-self:stretch;min-height:44px}
@media(min-width:1200px){.track-source-link{font-size:11px;margin-top:9px}.song-search{min-height:56px}.skip-button{min-height:56px}}