:root{--gold:#e8c420;--gold-light:#f5d832;--gold-dim:#b89a10;--bg:#0d0a09;--bg2:#130e0c;--bg3:#1c1410;--bg4:#261c16;--border:#2e2018;--border-light:#3e2e20;--text:#e8e0d0;--text-dim:#a89886;--crimson:#9b1a2a;--crimson-bright:#c42038;--header-h:64px;--c-maj:#e8c420;--c-min:#d96d82;--c-dim:#b69cdc;--c-aug:#f0b454;--c-dom:#90C890;--c-borrowed:#5fc9b0;--radius:14px;--radius-sm:9px;--shadow:0 8px 32px rgba(0,0,0,.35)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:'Syne',sans-serif;min-height:100vh;overflow-x:hidden;-webkit-text-size-adjust:100%}body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;background:radial-gradient(ellipse at 20% 20%,rgba(182,156,220,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(232,196,32,.06) 0%,transparent 50%)}.container{max-width:1400px;margin:0 auto;padding:0 24px;position:relative;z-index:1}.mt-hero{padding:60px 0 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.ghost{flex:1;max-width:48%}.th-toolbar{max-width:1100px;margin:0 auto;padding:1rem clamp(1rem,4vw,2.5rem) 0}.th-toolbar .audio-dock{position:static !important;bottom:auto !important;left:auto !important;display:inline-flex;box-shadow:none}.th-content--tool{margin-inline:auto !important}.th-content--tool>.section + .section{margin-top:3rem;padding-top:2.4rem;border-top:1px solid var(--border)}.th-p{color:var(--text-dim);font-size:14px;line-height:1.8;margin:0 0 12px}.th-p:last-child{margin-bottom:0}.th-btns{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 14px}.th-btns:last-child{margin-bottom:0}.th-tip{background:var(--bg3);border:1px solid rgba(232,196,32,.3);border-radius:2px;padding:12px 16px;margin-bottom:20px;font-size:13px;color:var(--text-dim);line-height:1.7}.th-tip__lbl{font-family:'Space 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auto;padding:clamp(2.4rem,5vw,4rem) clamp(1rem,4vw,2.5rem)}.th-land h2{font-family:'Bebas Neue',sans-serif;font-size:clamp(2rem,4.5vw,3rem);color:var(--text);letter-spacing:.03em;line-height:1;margin:.3rem 0 .6rem;font-weight:400}.th-land h2 span{color:var(--gold)}.th-land__sub{color:var(--text-dim);max-width:62ch;line-height:1.7;margin:0 0 1.6rem}.th-kick{font-family:'Space Mono',monospace;font-size:0.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin:0}.th-chgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,360px),1fr));gap:2px}.th-chcard{background:var(--bg2);border:1px solid var(--border);padding:1.4rem 1.5rem;display:flex;flex-direction:column;gap:.6rem;text-decoration:none;color:inherit;transition:background .2s,border-color .2s,transform .2s}.th-chcard:hover{background:var(--bg3);border-color:var(--gold-dim);transform:translateY(-2px)}.th-chcard__top{display:flex;align-items:baseline;gap:12px}.th-chcard__n{font-family:'Bebas Neue',sans-serif;font-size:2.6rem;line-height:.8;color:transparent;-webkit-text-stroke:1px var(--gold-dim)}.th-chcard__t{font-family:'Bebas Neue',sans-serif;font-size:1.7rem;color:var(--text);letter-spacing:.03em;line-height:1}.th-chcard p{color:var(--text-dim);font-size:.88rem;line-height:1.6;margin:0}.th-chcard ul{list-style:none;margin:.2rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:4px}.th-chcard li{font-size:.72rem;color:var(--text-dim);border:1px solid var(--border);padding:3px 7px}.th-chcard li.is-done{color:#5fc9b0;border-color:rgba(95,201,176,.5)}.th-chcard__foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:.4rem;font-family:'Space Mono',monospace;font-size:0.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-dim)}.th-chcard:hover .th-chcard__foot{color:var(--gold)}.th-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:1.6rem}:root{--radius:2px;--radius-sm:2px}.section-title{font-family:'Bebas Neue',sans-serif;font-weight:400;font-size:clamp(2rem,4.2vw,3rem);color:var(--text);letter-spacing:.03em;line-height:1;margin-bottom:.7rem}.section-desc{font-family:'Syne',sans-serif;font-size:1rem;line-height:1.75;color:var(--text-dim);max-width:76ch;margin-bottom:2rem}.subsection-title{font-family:'Bebas Neue',sans-serif;font-weight:400;color:var(--text);letter-spacing:.03em}.th-topic-kicker{font-family:'Space Mono',monospace;font-size:0.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);display:flex;align-items:center;gap:12px;margin:0 0 .8rem}.th-topic-kicker::before{content:'';width:34px;height:1px;background:var(--gold)}.card-block{border-radius:0;background:var(--bg2);border:1px solid var(--border)}.card-block-title{font-size:.66rem;letter-spacing:.18em}.th-tip{background:var(--bg2);border:1px solid var(--border);border-left:3px solid var(--gold);border-radius:0;padding:12px 16px;margin-bottom:20px;font-size:13px;color:var(--text-dim);line-height:1.7}.th-tip>span:first-child{font-family:'Space Mono',monospace;letter-spacing:.12em}.table-wrap,.dgrid-wrap{border-radius:2px}.key-btn,.play-btn,.play-chip,.pviz-btn,.th-done,.th-modes button{border-radius:2px}.key-btn.active{box-shadow:0 0 0 1px var(--gold)}.badge-dark{background:rgba(217,109,130,.12);color:#d96d82;border-color:rgba(217,109,130,.35)}.dgrid thead tr,.dgrid thead th.th-key{background:var(--bg3)!important}.pviz{background:rgba(13,10,9,.97);border-top-color:var(--border-light)}.vkey.white{background:linear-gradient(180deg,#f1ece0,#d8d0c0);border-color:#0d0a09}.vkey.black{background:linear-gradient(180deg,#2a2018,#0d0a09)}.vkey.white:hover{background:linear-gradient(180deg,#fff,#eadfce)}.vkey.black:hover{background:linear-gradient(180deg,#3a2c1e,#1a120c)}.vkey .c4mark{color:var(--gold-dim)}.audio-dock{border-radius:2px}@media(max-width:600px){.section-title{font-size:2rem}.section-desc{font-size:.95rem}}