:root{font-family:'DM Sans',system-ui,sans-serif;color:#f6f8ff;background:#080c19;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 70% 7%,#18264e 0,transparent 38%),radial-gradient(ellipse at 5% 60%,#171435 0,transparent 32%),#080c19}.shell{max-width:1140px;margin:auto;padding:0 32px}.topbar{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff19}.brand{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:25px;letter-spacing:.08em;display:flex;align-items:center;gap:10px}.brand-mark{color:#6df9e5;font-size:26px}.brand small{font-family:'DM Sans',sans-serif;font-size:10px;letter-spacing:.15em;color:#8290ae;margin-left:13px}.topright,.eyebrow,.track-overline{font-size:11px;letter-spacing:.2em;font-weight:800;color:#61e8da}.topright{color:#667493}main{min-height:calc(100vh - 148px)}.intro{padding:65px 0 40px;max-width:850px}.intro h1,.result h1{font-family:'Space Grotesk',sans-serif;font-size:clamp(54px,8vw,102px);letter-spacing:-.075em;line-height:1;margin:17px 0}.intro h1 em{font-style:normal;color:#6df9e5}.intro>p{color:#9daac7;font-size:17px}.track-card{display:flex;background:linear-gradient(118deg,#172447,#101b33 67%,#121b2e);border:1px solid #354563;border-radius:18px;padding:17px;margin:35px 0 25px;box-shadow:0 20px 50px #0005}.cover{width:215px;height:215px;flex:none;display:grid;place-items:center;position:relative;overflow:hidden;background:radial-gradient(circle at 62% 35%,#8c47d7,#272278 42%,#111c48 72%);border-radius:10px}.cover:before,.cover:after{content:'';position:absolute;width:245px;height:245px;border:1px solid #ffffff27;border-radius:50%;transform:translate(75px,-80px)}.cover:after{width:140px;height:140px;transform:translate(-75px,92px)}.cover-ring{width:120px;height:120px;border:15px solid #69fbe568;border-radius:50%;box-shadow:0 0 45px #52e2ec77}.cover>span{position:absolute;font-family:'Space Grotesk',sans-serif;font-size:58px;font-weight:700;letter-spacing:-.1em}.cover-dot{color:#6df9e5}.track-info{padding:25px 30px;flex:1}.track-info h2{font-family:'Space Grotesk',sans-serif;font-size:37px;letter-spacing:-.04em;margin:12px 0 0}.track-info p{color:#8c9dbd;font-size:12px;letter-spacing:.13em}.difficulty{display:flex;gap:10px;margin-top:31px}.level{cursor:pointer;background:#202c48;color:#a5b3d2;border:1px solid #364361;border-radius:7px;padding:11px 16px;font-weight:800;letter-spacing:.08em}.level b{margin-left:18px;color:#e2e7f5}.level.active{color:#071520;background:#6df9e5;border-color:#6df9e5}.level.active b{color:#071520}.settings{display:flex;gap:35px;margin:12px 0 30px}.settings label{width:230px;font-size:13px;color:#adbbd4}.settings output{float:right;color:#6df9e5}.settings input{width:100%;margin-top:12px;accent-color:#6df9e5}.primary{background:#6df9e5;color:#071521;border:0;border-radius:8px;padding:17px 25px;font:800 15px 'DM Sans',sans-serif;letter-spacing:.08em;cursor:pointer;min-width:208px;display:inline-flex;justify-content:space-between;align-items:center;gap:24px;box-shadow:0 8px 30px #44edd134}.primary:hover{background:#96ffef}.hint{font-size:12px!important;margin-top:18px;color:#7786a3!important}.hidden{display:none!important}footer{border-top:1px solid #ffffff19;color:#53617c;font-size:10px;letter-spacing:.13em;padding:22px 0}.play{max-width:740px;margin:0 auto;padding:29px 0 50px}.play-header{display:flex;justify-content:space-between;align-items:center}.play-header h2{font:700 24px 'Space Grotesk',sans-serif;margin:6px 0 20px}.play-header h2 span,#resultLevel{font:800 10px 'DM Sans',sans-serif;letter-spacing:.13em;color:#6df9e5;margin-left:10px}.text-button{background:none;color:#aab8d0;border:0;cursor:pointer;padding:12px;font-weight:700}.text-button:hover{color:white}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}.stats>div,.result-grid>div{background:#151d33;border:1px solid #293650;border-radius:8px;padding:10px 15px;font-size:10px;letter-spacing:.12em;color:#8293b3;font-weight:800}.stats strong,.result-grid strong{display:block;color:white;font:700 23px 'Space Grotesk',sans-serif;letter-spacing:0;margin-top:2px}.game-frame{position:relative;background:#0a1024;border:1px solid #314365;border-radius:10px;overflow:hidden;box-shadow:0 20px 60px #0008}.game-frame canvas{display:block;width:100%;height:min(60vh,640px)}.overlay{position:absolute;inset:0;background:#080d1be8;display:grid;place-items:center;text-align:center}.overlay h2{font:700 44px 'Space Grotesk',sans-serif}.overlay .text-button{display:block;margin:15px auto}.keys{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;margin-top:7px}.keys span{background:#1a2947;color:#d7e0f2;text-align:center;border:1px solid #344867;border-radius:7px;padding:9px;font-weight:800}.progress{height:5px;background:#1d2943;border-radius:10px;margin-top:14px;overflow:hidden}.progress span{display:block;height:100%;width:0;background:#6df9e5}.mobile-note{color:#667696;font-size:11px;text-align:center}.result{max-width:700px;text-align:center;margin:0 auto;padding:70px 0}.result h1{color:#6df9e5}.result>p{color:#97a7c3}.result-score{font:700 70px 'Space Grotesk',sans-serif;margin:35px}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:25px 0 35px;text-align:left}.result-grid strong{font-size:28px}.result .text-button{display:block;margin:16px auto}@media(max-width:700px){.shell{padding:0 16px}.topbar{height:68px}.brand small,.topright{display:none}.intro{padding:46px 0}.intro h1{font-size:59px}.track-card{flex-direction:column}.cover{width:100%;height:170px}.track-info{padding:20px 8px 7px}.settings{flex-direction:column;gap:15px}.settings label{width:100%}.stats strong{font-size:17px}.stats>div{padding:8px;font-size:8px}.game-frame canvas{height:60vh}.result-grid{grid-template-columns:repeat(2,1fr)}.result-score{font-size:50px}}

.skin-setting{display:flex;align-items:center;gap:22px;margin:0 0 26px;color:#adbbd4;font-size:13px}
.skin-options{display:flex;gap:8px}
.skin-option{cursor:pointer;border:1px solid #374869;background:#17243c;color:#b8c5dd;border-radius:8px;padding:10px 15px;font-weight:800}
.skin-option small{font-size:10px;color:#7d8caa;margin-left:8px}
.skin-option.active{border-color:#6df9e5;background:#173b45;color:#a4fff3}
.skin-option.active small{color:#6df9e5}
.play{max-width:480px}
.play-header{gap:10px}
.play-header h2{margin-bottom:12px}
.play-actions{display:flex;flex-direction:column;align-items:flex-end}
.play-actions .text-button{font-size:11px;padding:5px}
.game-frame{border:3px solid #536299;border-radius:4px;box-shadow:0 0 0 3px #111b35,0 20px 60px #0009}
.game-frame canvas{height:auto;aspect-ratio:400/740}
.keys{display:none}
@media(max-width:700px){.skin-setting{display:block}.skin-options{margin-top:10px}.game-frame canvas{height:auto}.play-header h2{font-size:20px}.play-actions .text-button{font-size:10px}.stats{gap:4px}}

.key-setting{background:#121e34;border:1px solid #344562;border-radius:12px;padding:18px 20px;margin:0 0 22px}
.key-setting-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.key-setting h3{font-size:14px;margin:0 0 4px;letter-spacing:.05em}
.key-setting p{font-size:12px;color:#8fa1c0;margin:0}
.key-setting-head .text-button{font-size:11px;white-space:nowrap}
.key-bindings{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:16px}
.key-binding{border:1px solid #405379;border-radius:8px;background:#192b49;color:#a6b6d2;padding:9px 4px;cursor:pointer;font-size:11px;font-weight:700}
.key-binding strong{display:block;color:#e8fcff;font-size:20px;margin-top:3px;white-space:nowrap}
.key-binding:hover,.key-binding.listening{border-color:#6df9e5;background:#204856}
.key-binding.listening strong{color:#6df9e5;font-size:14px}
.key-setting .key-message{min-height:18px;margin-top:9px;color:#6df9e5}
.key-setting .key-message.error{color:#ff9ba5}
@media(max-width:700px){.key-setting{padding:14px 11px}.key-bindings{gap:4px}.key-binding{font-size:9px}.key-binding strong{font-size:16px}}

.track-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:32px 0 16px}
.track-choice{position:relative;overflow:hidden;display:flex;align-items:center;gap:17px;text-align:left;width:100%;min-height:122px;padding:16px;border:1px solid #324363;border-radius:12px;background:linear-gradient(115deg,#192847,#101a30 75%);color:#eef5ff;cursor:pointer}
.track-choice:hover,.track-choice.active{border-color:var(--accent);box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 35%,transparent)}
.track-choice.active:after{content:'SELECTED';position:absolute;right:13px;top:10px;font-size:9px;letter-spacing:.15em;font-weight:800;color:var(--accent)}
.track-art{width:82px;height:82px;flex:none;display:grid;place-items:center;border-radius:8px;background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--accent) 80%,white),color-mix(in srgb,var(--accent) 42%,#241e58) 45%,#0e1731 83%);box-shadow:inset 0 0 25px #fff2;font-size:30px;font-weight:900;color:white}
.track-copy{min-width:0;display:block}
.track-copy strong{display:block;font:700 20px 'Space Grotesk',system-ui,sans-serif;line-height:1.1;word-break:keep-all}
.track-copy small{display:block;color:#9aaccc;font-size:11px;margin-top:8px}
.track-copy em{display:block;color:var(--accent);font-style:normal;font-size:11px;font-weight:800;margin-top:8px}
.difficulty-main{margin:16px 0 24px}
.playing-title{font:inherit!important;color:#f6f8ff!important;letter-spacing:inherit!important;margin:0!important}
.play-speed{display:flex;align-items:center;gap:10px;margin:0 0 10px;color:#aab8d0;font-size:12px;font-weight:700}
.play-speed output{color:#6df9e5;min-width:32px;text-align:right}
.play-speed input{flex:1;accent-color:#6df9e5}
@media(max-width:850px) and (min-width:701px){.settings{gap:15px}.settings label{width:calc((100% - 30px)/3)}}
@media(max-width:700px){.track-list{grid-template-columns:1fr}.track-choice{min-height:105px}.track-art{width:68px;height:68px}.track-copy strong{font-size:18px}}
.leaderboard{background:#121e34;border:1px solid #344562;border-radius:14px;padding:22px;text-align:left;margin:0 0 28px}
.leaderboard-head h2{font:700 22px 'Space Grotesk',sans-serif;margin:6px 0 20px}
.score-form label{display:block;color:#e2eeff;font-size:13px;font-weight:800;margin-bottom:8px}
.score-form>div{display:flex;gap:8px}
.score-form input{min-width:0;flex:1;border:1px solid #52658a;border-radius:7px;padding:12px;background:#0b1428;color:white;font:600 14px system-ui,sans-serif}
.score-form button{border:0;border-radius:7px;background:#6df9e5;color:#071521;padding:0 17px;font-weight:800;cursor:pointer;white-space:nowrap}
.score-form button:disabled{opacity:.55;cursor:default}
.score-form small{display:block;color:#8192af;margin-top:8px}
.score-message,.own-rank{color:#6df9e5;font-size:13px;min-height:19px}
.score-message.error{color:#ff9ba5}
.leaderboard-list{list-style:none;margin:16px 0 0;padding:0}
.leaderboard-list li{display:grid;grid-template-columns:36px minmax(0,1fr) 100px;gap:8px;align-items:center;border-top:1px solid #ffffff17;padding:11px 5px;color:#aebddb;font-size:13px}
.leaderboard-list li.my-rank{background:#173c45;color:white}
.leaderboard-list .rank-number{color:#6df9e5;font-weight:900}
.leaderboard-list .rank-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.leaderboard-list .rank-score{text-align:right;color:#f5f8ff;font-variant-numeric:tabular-nums;font-weight:800}
.leaderboard-list li.empty-rank{display:block;text-align:center;color:#8192af}
@media(max-width:700px){.leaderboard{padding:16px}.score-form>div{flex-direction:column}.score-form button{padding:12px}.leaderboard-list li{grid-template-columns:30px minmax(0,1fr) 82px}}