@font-face{font-family:Short Stack;src:url(/Short_Stack/ShortStack-Regular.ttf) format("truetype");font-display:swap}@font-face{font-family:Cooper Hewitt;src:url(/CooperHewitt-WebFonts-public/CooperHewitt-Book.woff) format("woff");font-display:swap}:root{--paper: #f7f2e7;--ink: #15233f;--ink-soft: #38527d;--accent: #ff8f3f;--accent-deep: #de5f2f;--sky: #9ad3f5;--panel: rgba(255, 255, 255, .86);--panel-strong: rgba(255, 255, 255, .94);--shadow: 0 18px 50px rgba(24, 39, 70, .15);--line: rgba(21, 35, 63, .12)}[data-astro-cid-t5mhnbzt]{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Cooper Hewitt,Trebuchet MS,sans-serif;color:var(--ink);background:radial-gradient(circle at top left,rgba(255,219,140,.75),transparent 30%),radial-gradient(circle at top right,rgba(122,198,255,.8),transparent 28%),linear-gradient(180deg,#fefaf3,#edf5ff 52%,#f7f2e7)}.page-shell[data-astro-cid-t5mhnbzt]{width:min(1180px,calc(100% - 24px));margin:0 auto;padding:18px 0 48px}.hero[data-astro-cid-t5mhnbzt]{background:var(--panel);border:1px solid rgba(255,255,255,.8);border-radius:28px;box-shadow:var(--shadow);padding:30px 24px 24px;backdrop-filter:blur(18px)}.eyebrow[data-astro-cid-t5mhnbzt]{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#ff8f3f29;color:var(--accent-deep);font-size:.92rem;letter-spacing:.04em;text-transform:uppercase}h1[data-astro-cid-t5mhnbzt]{font-family:Short Stack,Cooper Hewitt,sans-serif;font-size:clamp(2.2rem,6vw,4.6rem);line-height:1.02;margin:16px 0 12px}.hero[data-astro-cid-t5mhnbzt] p[data-astro-cid-t5mhnbzt]{font-size:1.14rem;line-height:1.55;max-width:60ch;margin:0;color:var(--ink-soft)}.stats[data-astro-cid-t5mhnbzt]{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-top:24px}.stat-card[data-astro-cid-t5mhnbzt]{background:var(--panel-strong);border:1px solid var(--line);border-radius:18px;padding:16px}.stat-label[data-astro-cid-t5mhnbzt]{display:block;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}.stat-value[data-astro-cid-t5mhnbzt]{display:block;font-family:Short Stack,Cooper Hewitt,sans-serif;font-size:1.8rem;margin-top:10px}.workspace[data-astro-cid-t5mhnbzt]{display:grid;grid-template-columns:minmax(280px,380px) minmax(0,1fr);gap:18px;margin-top:20px}.panel[data-astro-cid-t5mhnbzt]{background:var(--panel);border:1px solid rgba(255,255,255,.8);border-radius:24px;box-shadow:var(--shadow);padding:20px;backdrop-filter:blur(18px)}.panel[data-astro-cid-t5mhnbzt] h2[data-astro-cid-t5mhnbzt]{font-family:Short Stack,Cooper Hewitt,sans-serif;margin:0 0 10px;font-size:1.5rem}.panel[data-astro-cid-t5mhnbzt] p[data-astro-cid-t5mhnbzt],.panel[data-astro-cid-t5mhnbzt] li[data-astro-cid-t5mhnbzt]{color:var(--ink-soft)}.control-stack[data-astro-cid-t5mhnbzt]{display:grid;gap:16px}.control[data-astro-cid-t5mhnbzt]{display:grid;gap:8px}.control[data-astro-cid-t5mhnbzt] label[data-astro-cid-t5mhnbzt],.toggle-row[data-astro-cid-t5mhnbzt] label[data-astro-cid-t5mhnbzt],.input-header[data-astro-cid-t5mhnbzt] label[data-astro-cid-t5mhnbzt]{font-size:.92rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase}.range-head[data-astro-cid-t5mhnbzt]{display:flex;align-items:center;justify-content:space-between;gap:12px}.range-value[data-astro-cid-t5mhnbzt],.status[data-astro-cid-t5mhnbzt]{font-family:ui-monospace,SF Mono,Menlo,monospace}input[data-astro-cid-t5mhnbzt][type=range]{width:100%;accent-color:var(--accent)}select[data-astro-cid-t5mhnbzt],textarea[data-astro-cid-t5mhnbzt],button[data-astro-cid-t5mhnbzt]{font:inherit}select[data-astro-cid-t5mhnbzt],textarea[data-astro-cid-t5mhnbzt]{width:100%;border:1px solid var(--line);border-radius:16px;padding:14px 16px;background:#ffffffeb;color:var(--ink)}textarea[data-astro-cid-t5mhnbzt]{min-height:180px;resize:vertical;line-height:1.5}.toggle-row[data-astro-cid-t5mhnbzt]{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:16px;padding:14px 16px;background:#ffffffb8}.toggle-row[data-astro-cid-t5mhnbzt] input[data-astro-cid-t5mhnbzt]{width:20px;height:20px}.button-row[data-astro-cid-t5mhnbzt]{display:flex;flex-wrap:wrap;gap:10px}button[data-astro-cid-t5mhnbzt]{border:none;border-radius:999px;padding:12px 18px;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}button[data-astro-cid-t5mhnbzt]:hover{transform:translateY(-1px);box-shadow:0 10px 18px #15233f1f}button[data-astro-cid-t5mhnbzt]:active{transform:translateY(0)}button[data-astro-cid-t5mhnbzt]:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.primary[data-astro-cid-t5mhnbzt]{background:linear-gradient(135deg,var(--accent),#ffb15f);color:#fffef8}.secondary[data-astro-cid-t5mhnbzt]{background:#15233f17;color:var(--ink)}.ghost[data-astro-cid-t5mhnbzt]{background:#ffffffbf;color:var(--ink);border:1px solid var(--line)}.status[data-astro-cid-t5mhnbzt]{margin-top:14px;padding:14px 16px;border-radius:16px;background:#15233f14;color:var(--ink)}.status[data-astro-cid-t5mhnbzt].error{background:#de5f2f26;color:#7d2608}.helper[data-astro-cid-t5mhnbzt]{font-size:.94rem;line-height:1.55;margin:10px 0 0}.piano-wall[data-astro-cid-t5mhnbzt]{display:grid;gap:12px;max-height:62vh;overflow:auto;padding-right:6px}.octave-band[data-astro-cid-t5mhnbzt]{border:1px solid var(--line);border-radius:20px;background:#ffffffad;padding:12px}.octave-band[data-astro-cid-t5mhnbzt] h3[data-astro-cid-t5mhnbzt]{margin:0 0 10px;font-size:1rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}.key-row[data-astro-cid-t5mhnbzt]{display:flex;flex-wrap:wrap;gap:8px}.key[data-astro-cid-t5mhnbzt]{min-width:70px;border-radius:14px;padding:12px 10px;text-align:center;font-weight:700;border:1px solid transparent}.key[data-astro-cid-t5mhnbzt].is-white{background:linear-gradient(180deg,#fffdfa,#ebe3d0);color:#22334f;border-color:#22334f1f}.key[data-astro-cid-t5mhnbzt].is-black{background:linear-gradient(180deg,#2a3447,#111722);color:#fdf5e6;border-color:#ffffff1a}.key[data-astro-cid-t5mhnbzt].active{background:linear-gradient(180deg,#ffcf59,#ff8f3f);color:#231405;border-color:#23140533}.song-panel[data-astro-cid-t5mhnbzt]{display:grid;gap:18px}.input-header[data-astro-cid-t5mhnbzt]{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.hint-grid[data-astro-cid-t5mhnbzt]{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.hint-card[data-astro-cid-t5mhnbzt]{background:#ffffffb8;border:1px solid var(--line);border-radius:18px;padding:14px}.hint-card[data-astro-cid-t5mhnbzt] strong[data-astro-cid-t5mhnbzt]{display:block;margin-bottom:6px}@media (max-width: 900px){.workspace[data-astro-cid-t5mhnbzt]{grid-template-columns:1fr}.page-shell[data-astro-cid-t5mhnbzt]{width:min(100%,calc(100% - 16px))}}@media (max-width: 640px){.hero[data-astro-cid-t5mhnbzt],.panel[data-astro-cid-t5mhnbzt]{border-radius:20px;padding:18px}.stats[data-astro-cid-t5mhnbzt]{grid-template-columns:1fr 1fr}.key[data-astro-cid-t5mhnbzt]{min-width:calc(50% - 4px)}}