:root{--cream:#f7f2e6;--paper:#fffefa;--ink:#111111;--charcoal:#403c47;--muted:#6f6b72;--blue:#3887dc;--blue-dark:#246fc3;--plum:#4b2a78;--lavender:#f1edf8;--border:#ddd8cc;--warm:#fff5de;--shadow:0 5px 14px rgba(30,30,30,.08)}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-height:100vh;background:var(--cream);color:var(--ink);font-family:"Aktiv Grotesk","Helvetica Neue",Arial,sans-serif}button,input,select{font:inherit}button,select,input[type=checkbox]{cursor:pointer}button{border:0;border-radius:10px;min-height:48px;padding:11px 18px;font-size:1rem;font-weight:800;transition:transform .12s,background .12s;line-height:1.3}button:hover:not(:disabled){transform:translateY(-1px)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.48;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid var(--blue-dark);outline-offset:4px}.app{max-width:1420px;margin:0 auto;padding:24px 24px 28px}.brand-header{display:grid;grid-template-columns:250px minmax(0,1fr) 250px;align-items:center;gap:20px;margin-bottom:24px}.brand-logo{display:block;width:240px;max-width:100%;height:130px;object-fit:contain}.title-wrap{text-align:center;min-width:0}h1{font-size:clamp(2.6rem,5.6vw,5rem);font-weight:900;letter-spacing:-.035em;line-height:1.02;margin:0}.subtitle{font-size:clamp(1.05rem,2vw,1.4rem);font-weight:600;color:var(--charcoal);margin:12px 0 0}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.segmented{display:inline-flex;background:var(--paper);border:1px solid var(--border);border-radius:10px;overflow:hidden}.segmented button{border-radius:0;background:transparent;color:var(--charcoal);min-width:86px}.segmented button+button{border-left:1px solid var(--border)}.segmented button[aria-pressed=true]{background:var(--blue);color:white}.segmented button:focus-visible{outline-offset:-4px}.primary{background:var(--blue);color:white;box-shadow:0 4px 10px rgba(56,135,220,.2)}.primary:hover:not(:disabled){background:var(--blue-dark)}.ghost{background:var(--paper);color:#2268b5;border:2px solid var(--blue)}.quiet{background:var(--paper);color:var(--charcoal);border:1px solid var(--border)}.reveal{background:var(--lavender);color:var(--plum);border:1px solid #d8cee2}.score-panel{background:white;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:18px 22px 22px}.score-meta{display:flex;justify-content:space-between;gap:12px;align-items:center;font-weight:800;color:var(--charcoal);font-size:1rem}.muted{color:var(--muted);font-weight:500}.pill{color:var(--plum);background:var(--lavender);padding:7px 12px;border-radius:999px;font-size:.875rem}.score-stage{display:flex;align-items:center;justify-content:center;min-height:250px;height:clamp(260px,36vh,440px);margin:12px 0;position:relative}.score-stage img{display:block;width:100%;height:100%;object-fit:contain}.stage-message{text-align:center;color:var(--plum);max-width:90%}.stage-message h2{font-size:clamp(1.6rem,4vw,3.6rem);line-height:1.1;margin:0 0 16px;font-weight:900;letter-spacing:-.02em}.stage-message p{font-size:clamp(1rem,2vw,1.4rem);line-height:1.5;margin:0;color:var(--muted)}.lesson-status{text-align:center;min-height:26px;font-weight:700;font-size:1.05rem;color:var(--muted);margin:0 0 16px}.actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.actions .primary{min-width:180px}.error{color:#a02c27;background:#fff1ed;border-radius:8px;padding:12px;text-align:center;margin-bottom:0}.support-panel{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border:1px solid #e2d7bc;border-radius:12px;background:var(--warm);margin-top:18px;padding:16px 20px}.support-group{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.control-label{font-size:.875rem;text-transform:uppercase;letter-spacing:.035em;font-weight:900;color:var(--charcoal)}.support-panel p{font-size:.9rem;color:var(--muted);margin:0}.audiation-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.audiation-controls label{font-weight:700;color:var(--charcoal)}input[type=number]{width:68px;min-height:46px;padding:8px;text-align:center;border:1px solid var(--border);border-radius:8px;background:var(--paper)}.settings{margin-top:18px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.78);box-shadow:var(--shadow)}summary{padding:18px 20px;cursor:pointer;font-weight:800;color:var(--charcoal)}summary span+span{float:right;font-weight:500;font-size:.9rem;color:var(--muted);margin-top:2px}.settings-content{padding:0 20px 20px}.settings-toolbar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.selection-actions{display:flex;gap:8px}.settings-hint{font-size:.95rem;line-height:1.5;color:var(--muted);margin:16px 0}.pattern-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.pattern-option{border:2px solid var(--border);border-radius:10px;padding:12px;background:white;cursor:pointer}.pattern-option:has(input:checked){border-color:var(--blue);background:#f4f9ff}.pattern-option:has(input:focus-visible){outline:3px solid var(--blue-dark);outline-offset:3px}.pattern-option .option-title{display:flex;align-items:center;gap:10px;font-size:1rem;font-weight:800;color:var(--charcoal)}.pattern-option input{width:22px;height:22px;accent-color:var(--blue);margin:0}.pattern-option img{width:100%;height:90px;object-fit:contain;display:block;margin-top:8px;mix-blend-mode:multiply}select{min-height:48px;padding:10px 35px 10px 12px;background:var(--paper);color:var(--charcoal);border:1px solid var(--border);border-radius:10px;font-weight:700}.site-links{display:flex;gap:26px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid rgba(64,60,71,.18);font-size:.95rem;font-weight:700}.site-links a{color:#2268b5;text-decoration:none}.site-links a:hover{text-decoration:underline}:fullscreen{background:var(--cream);overflow:auto}:fullscreen .app{max-width:1700px}:fullscreen .brand-header{display:none}:fullscreen .score-stage{height:55vh}
@media(min-width:1100px) and (max-height:800px){.brand-logo{height:100px}.brand-header{margin-bottom:16px}.score-stage{height:30vh;min-height:210px}.app{padding-top:16px}}
@media(max-width:1100px){.brand-header{grid-template-columns:180px minmax(0,1fr) 180px}.brand-logo{width:180px;height:108px}h1{font-size:clamp(2.5rem,5.7vw,4rem)}.support-panel{gap:14px}.pattern-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.app{padding:16px 12px 24px}.brand-header{grid-template-columns:1fr;gap:8px;margin-bottom:22px}.brand-logo{width:180px;height:100px;margin:auto}.header-spacer{display:none}h1{font-size:2.7rem}.subtitle{font-size:1.05rem;margin-top:8px}.score-panel{padding:14px 10px 16px}.score-stage{height:32vw;min-height:170px;margin:16px 0}.pill{font-size:.8rem;padding:6px 8px}.actions{gap:8px}.actions button{flex:1 1 42%;padding:12px 8px}.support-panel{padding:14px}.support-group{gap:10px}.support-panel p{line-height:1.5}.pattern-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.settings-content{padding:0 12px 16px}summary{padding:16px 12px}summary span+span{float:none;display:block;margin:8px 0 0 18px}.site-links{justify-content:center;font-size:.875rem;gap:16px}.audiation-controls{width:100%}.audiation-controls label{width:100%}.audiation-controls button{flex:1}.lesson-status{font-size:1rem}}
@media(max-width:380px){h1{font-size:2.3rem}.toolbar button{min-width:0;padding:11px 12px}.score-meta{font-size:.9rem;flex-wrap:wrap}.support-group{width:100%}.segmented button{min-width:70px}.pattern-grid{grid-template-columns:1fr}}
.music-panel{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;margin-top:18px;padding:16px 20px;background:rgba(255,255,255,.82);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}.music-heading h2{font-size:.875rem;text-transform:uppercase;letter-spacing:.035em;color:var(--charcoal);margin:0;font-weight:900}.music-heading p{font-size:.9rem;color:var(--muted);margin:6px 0 0}.music-panel audio{display:block;width:100%;min-width:0;height:48px}.music-panel button[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:white}.music-panel .error{grid-column:1/-1;margin:0}.music-panel audio:focus-visible{outline:3px solid var(--blue-dark);outline-offset:4px;border-radius:10px}
@media(max-width:760px){.music-panel{grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:14px}.music-heading{grid-column:1}.music-panel audio{grid-column:1/-1;grid-row:2}.music-panel #repeat-music{grid-column:2;grid-row:1}}
.site-links{align-items:center}.site-links .other-apps{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;min-height:48px;padding:11px 18px;border-radius:10px;background:var(--blue);color:white;font-size:1rem;font-weight:800;line-height:1.3;box-shadow:0 4px 10px rgba(56,135,220,.2);transition:transform .12s,background .12s}.site-links .other-apps:hover{background:var(--blue-dark);text-decoration:none;transform:translateY(-1px)}.site-links .other-apps:active{transform:translateY(1px)}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}