:root{--bg:#090b0d;--panel:#12161b;--panel2:#181d23;--line:#2a3139;--text:#f3f5f7;--muted:#8f9ba8;--accent:#d9ff63;--accent2:#71d8ff;--target:#ffb86c;--overlap:#c99cff;--bend:#ff6f91;--radius:20px;--shadow:0 10px 30px rgba(0,0,0,.25)}*{box-sizing:border-box}html{background:var(--bg);color-scheme:dark;scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#0b0d10,#090b0d 45%,#0b0d10);color:var(--text)}button,select,input{font:inherit}.app-shell{max-width:1200px;margin:auto;padding:18px 16px 105px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.topbar h1{margin:.25rem 0 0;font-size:clamp(2rem,7vw,3.5rem);display:inline-block}.version{margin-left:8px;color:var(--accent);font-weight:900}.eyebrow{font-size:.72rem;letter-spacing:.14em;color:var(--muted);font-weight:800}.icon-btn,.small-btn,.primary-btn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:14px;padding:10px 12px;font-weight:800}.icon-btn{width:44px;height:44px;padding:0}.primary-btn{border:0;background:var(--accent);color:#0b0d10}.control-card,.fretboard-card,.info-card,.library-card{background:rgba(18,22,27,.96);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.control-card,.fretboard-card,.library-card{padding:16px;margin-bottom:16px}.segmented{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;background:#0d1115;padding:5px;border-radius:14px;overflow:auto}.segmented button{border:0;border-radius:10px;background:transparent;color:var(--muted);padding:10px 8px;font-weight:800;white-space:nowrap}.segmented 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#505b66;color:#fff;font-size:.7rem;font-weight:900;padding:0}.note-dot.inactive{opacity:.09}.note-dot.active{background:var(--accent2);color:#071014;border-color:transparent}.note-dot.root{background:var(--accent);color:#0b0d10;box-shadow:0 0 0 4px rgba(217,255,99,.12)}.note-dot.target{outline:3px solid var(--target);outline-offset:2px}.note-dot.outside-target{background:var(--target);color:#111;opacity:1}.note-dot.overlap{box-shadow:0 0 0 4px rgba(201,156,255,.55)}.note-dot.bend{border:3px solid var(--bend)}.fret-numbers{display:grid;grid-template-columns:repeat(var(--cols),minmax(42px,1fr));font-size:.72rem;color:var(--muted);text-align:center;padding-top:5px}.legend{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:.78rem}.legend span:before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px;background:var(--accent2)}.legend .root:before{background:var(--accent)}.legend .target:before{background:var(--target)}.legend .overlap:before{background:var(--overlap)}.legend .bend:before{background:var(--bend)}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.info-card{padding:16px}.info-card.wide{grid-column:1/-1}.info-card h3{margin:.35rem 0 .5rem}.info-card p{color:#bbc4ce;line-height:1.55;margin:0}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{background:#0d1115;border:1px solid var(--line);padding:7px 10px;border-radius:999px;font-weight:800;font-size:.8rem}.chip button{all:unset;cursor:pointer}.shape-library{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:12px;margin-top:14px}.shape-card{background:#0d1115;border:1px solid var(--line);border-radius:16px;padding:14px}.shape-card h4{margin:0 0 4px}.shape-card p{margin:0;color:var(--muted);font-size:.82rem}.shape-meta{display:flex;gap:7px;flex-wrap:wrap;margin:8px 0}.mini-tag{font-size:.68rem;background:var(--panel2);padding:4px 7px;border-radius:999px;color:#c7d0d9}.chord-diagram{margin:12px 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2}.bar-strip{grid-template-columns:repeat(6,1fr)}}@media(max-width:620px){.app-shell{padding-left:10px;padding-right:10px}.control-grid{grid-template-columns:1fr 1fr;gap:9px}.info-grid{grid-template-columns:1fr}.info-card.wide{grid-column:auto}.library-card .section-heading{align-items:flex-start;flex-direction:column}.library-card input[type=search]{width:100%}.segmented{grid-template-columns:repeat(6,minmax(92px,1fr))}.settings-actions{grid-template-columns:1fr}.shape-library{grid-template-columns:1fr}}