:root{--bg:#f6f7fb;--surface:#fff;--surface-2:#f1f3f9;--border:#e3e6ef;--text:#171a2b;--muted:#646b85;--brand:#4f46e5;--accent:var(--brand);--ok:#16a34a;--err:#dc2626;--radius:16px;--shadow:0 1px 2px #1018280a, 0 4px 16px #1018280f;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0e1018;--surface:#171a26;--surface-2:#1f2333;--border:#2b3045;--text:#eceef6;--muted:#9aa0b8;--shadow:0 1px 2px #0000004d, 0 4px 16px #00000040;color-scheme:dark}}*,:before,:after{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}a{color:inherit}h1,h2,h3{margin:0;line-height:1.2}p{margin:0}.container{width:100%;max-width:980px;margin:0 auto;padding:0 16px}.site-header{z-index:10;background:color-mix(in srgb, var(--bg) 85%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0}.site-header .container{justify-content:space-between;align-items:center;gap:12px;height:60px;display:flex}.logo{align-items:center;gap:10px;font-size:1.05rem;font-weight:700;text-decoration:none;display:flex}.logo img{width:30px;height:30px}.privacy{color:var(--muted);border:1px solid var(--border);background:var(--surface);border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:.8rem;display:flex}.header-right{align-items:center;gap:10px;display:flex}.nav-link{color:var(--text);white-space:nowrap;font-weight:600;text-decoration:none}.nav-link:hover{border-color:var(--brand)}.mb-icon{flex:none;width:20px;height:20px}.kofi{color:#fff;background:#ff5e5b;border-radius:999px;align-items:center;gap:6px;padding:7px 14px;font-size:.85rem;font-weight:700;text-decoration:none;transition:transform .12s,filter .12s;display:inline-flex;box-shadow:0 2px 8px #ff5e5b59}.kofi:hover{filter:brightness(1.06);transform:translateY(-1px)}.kofi-short{display:none}@media (width<=640px){.privacy span{display:none}}@media (width<=480px){.logo{white-space:nowrap;gap:8px;font-size:.98rem}.logo img{width:26px;height:26px}.header-right{gap:6px}div.privacy{display:none}.privacy{padding:6px 8px}}@media (width<=420px){.kofi-long{display:none}.kofi-short{display:inline}.kofi{padding:7px 10px}}main{padding:32px 0 64px}.back{color:var(--muted);align-items:center;gap:6px;margin-bottom:16px;font-size:.9rem;text-decoration:none;display:inline-flex}.back:hover{color:var(--text)}.page-head{align-items:center;gap:16px;margin-bottom:28px;display:flex}.page-head .emoji{background:color-mix(in srgb, var(--accent) 14%, transparent);border-radius:14px;flex:none;place-items:center;width:56px;height:56px;font-size:28px;display:grid}.page-head h1{font-size:clamp(1.5rem,4vw,2rem)}.page-head p{color:var(--muted);margin-top:4px}.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:20px}.step-title{align-items:center;gap:10px;margin-bottom:16px;font-size:1.02rem;font-weight:600;display:flex}.step-num{background:var(--accent);color:#fff;border-radius:50%;flex:none;place-items:center;width:26px;height:26px;font-size:.85rem;display:grid}.hidden{display:none!important}.dropzone{text-align:center;cursor:pointer;border:2px dashed var(--border);background:var(--surface-2);border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:36px 16px;transition:border-color .15s,background .15s;display:flex}.dropzone:hover,.dropzone.is-over{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 7%, var(--surface))}.dz-icon{background:color-mix(in srgb, var(--accent) 15%, transparent);width:48px;height:48px;color:var(--accent);border-radius:50%;place-items:center;margin-bottom:6px;display:grid}.dz-title{font-weight:600}.dz-sub{color:var(--muted);font-size:.92rem}.dz-sub span{color:var(--accent);font-weight:600}.dz-hint{color:var(--muted);margin-top:4px;font-size:.8rem}.fields{gap:18px;display:grid}.field>.label{color:var(--muted);margin-bottom:8px;font-size:.85rem;font-weight:600;display:block}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip input{opacity:0;pointer-events:none;position:absolute}.chip span{cursor:pointer;border:1.5px solid var(--border);background:var(--surface);user-select:none;border-radius:10px;padding:8px 14px;font-size:.9rem;font-weight:600;transition:all .12s;display:inline-block}.chip span:hover{border-color:var(--accent)}.chip input:checked+span{background:var(--accent);border-color:var(--accent);color:#fff}.chip input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}input[type=text],input[type=number],select{font:inherit;color:var(--text);background:var(--surface);border:1.5px solid var(--border);border-radius:10px;min-width:0;padding:8px 12px}input[type=text]:focus,input[type=number]:focus,select:focus{border-color:var(--accent);outline:none}input[type=range]{accent-color:var(--accent);width:100%;max-width:320px}input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}.check{cursor:pointer;align-items:center;gap:8px;font-size:.92rem;display:inline-flex}.muted{color:var(--muted);font-size:.88rem}.btn{font:inherit;cursor:pointer;border:1.5px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:9px 16px;font-size:.92rem;font-weight:600;text-decoration:none;transition:all .12s;display:inline-flex}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;padding:13px 24px;font-size:1rem}.btn-primary:hover{color:#fff;filter:brightness(1.08)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;filter:none}.btn-sm{padding:6px 10px;font-size:.82rem}.btn-icon{padding:6px 9px}.actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.files{gap:8px;margin:16px 0 0;padding:0;list-style:none;display:grid}.files:empty{display:none}.file{border:1px solid var(--border);background:var(--surface);border-radius:12px;align-items:center;gap:12px;padding:10px 12px;display:flex}.file-thumb{object-fit:cover;background:var(--surface-2);border-radius:8px;flex:none;place-items:center;width:40px;height:40px;font-size:20px;display:grid}.file-info{flex:1;min-width:0}.file-name{white-space:nowrap;text-overflow:ellipsis;font-size:.92rem;font-weight:600;overflow:hidden}.file-meta{color:var(--muted);font-size:.8rem}.file-meta .good{color:var(--ok);font-weight:600}.file-actions{flex:none;gap:6px;display:flex}.progress{background:var(--surface-2);border-radius:99px;height:6px;margin-top:6px;overflow:hidden}.progress>div{background:var(--accent);width:0;height:100%;transition:width .2s}.status{color:var(--muted);font-size:.9rem}.status.error{color:var(--err)}.status.ok{color:var(--ok)}.note{color:var(--muted);background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:.85rem}.tabs{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;gap:6px;margin-bottom:16px;padding:5px;display:flex;overflow-x:auto}.tab{font:inherit;color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:10px;flex:1;padding:10px 14px;font-size:.92rem;font-weight:600}.tab[aria-selected=true]{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.faq,.more{margin-top:48px}.faq h2,.more h2{margin-bottom:14px;font-size:1.25rem}.faq details{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:8px;padding:14px 18px}.faq summary{cursor:pointer;font-weight:600;list-style-position:outside}.faq details[open] summary{margin-bottom:8px}.faq details p{color:var(--muted)}.more-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;display:grid}.more-grid a{background:var(--surface);border:1px solid var(--border);border-radius:12px;align-items:center;gap:10px;padding:12px 14px;font-size:.92rem;font-weight:600;text-decoration:none;display:flex}.more-grid a:hover{border-color:var(--accent);color:var(--accent)}.site-footer{border-top:1px solid var(--border);color:var(--muted);text-align:center;padding:32px 0;font-size:.88rem}.site-footer p{margin-bottom:6px}.site-footer a,.philosophy strong{color:var(--text)}.footer-links{flex-wrap:wrap;justify-content:center;gap:6px 18px;margin-top:16px;font-size:.82rem;display:flex}.footer-links a{color:var(--muted);text-decoration:none}.footer-links a:hover{color:var(--text)}.safety{margin-bottom:16px}.small{font-size:.8rem}.cards{grid-template-columns:1fr;gap:0 16px;display:grid}@media (width>=860px){.cards{grid-template-columns:1.15fr 1fr;align-items:start}}.card-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.card-head .step-title{margin:0}.step .field{margin-top:16px;display:block}.freq-row{align-items:baseline;gap:8px;display:flex}.freq-input{letter-spacing:-1px;font-variant-numeric:tabular-nums;width:100%;max-width:280px;font-weight:800;padding:4px 12px!important;font-size:clamp(2.2rem,7vw,3rem)!important}.unit{color:var(--muted);font-size:1.4rem;font-weight:700}.note-line{min-height:1.5em;margin:6px 0 12px;font-weight:600}input.freq-slider{max-width:none;display:block}.ticks{justify-content:space-between;margin-top:2px;font-size:.75rem;display:flex}.steppers{grid-template-columns:repeat(6,1fr);gap:6px;margin-top:12px;display:grid}.steppers .btn{font-variant-numeric:tabular-nums;padding:8px 4px}.presets{flex-wrap:wrap;gap:6px;display:flex}.sweep-fields{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.sweep-fields .field{margin-top:0}.sweep-fields input{width:100%}.sweep-checks{gap:8px 18px;margin-top:12px}.sweep-now{flex-wrap:wrap;align-items:baseline;gap:10px;margin-top:16px;display:flex}.now-freq{font-variant-numeric:tabular-nums;min-width:6ch;font-size:2rem;font-weight:800}.progress>div{transition:none}.wave-chip span{align-items:center;gap:6px;display:inline-flex}.wave-chip svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linejoin:round;stroke-linecap:round}.vol .label{justify-content:space-between;max-width:320px;display:flex}.db{font-variant-numeric:tabular-nums;color:var(--text)}.vol input{display:block}.step .actions{justify-content:space-between;margin-top:20px}.play-btn{min-width:150px}.play-btn.playing,.play-btn.playing:hover{background:var(--surface);color:var(--accent)}.dl{align-items:center;gap:8px;display:flex}.colors{gap:8px;display:grid}.color-opt{cursor:pointer;border:1.5px solid var(--border);background:var(--surface);border-radius:12px;align-items:flex-start;gap:12px;padding:12px 14px;transition:border-color .12s,background .12s;display:flex}.color-opt:hover{border-color:var(--accent)}.color-opt:has(input:checked){border-color:var(--accent);background:color-mix(in srgb, var(--accent) 7%, var(--surface))}.color-opt:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.color-opt input{opacity:0;pointer-events:none;position:absolute}.swatch{border:1px solid var(--border);border-radius:10px;flex:none;width:34px;height:34px}.color-white .swatch{background:#fff radial-gradient(#0002 1px,#0000 1px) 0 0/4px 4px}.color-pink .swatch{background:linear-gradient(135deg,#fbcfe8,#ec4899)}.color-brown .swatch{background:linear-gradient(135deg,#b45309,#451a03)}.color-text{gap:2px;display:grid}.color-text .muted{font-size:.84rem}.out-controls{flex-wrap:wrap;gap:4px 32px;display:flex}.out-controls .field{margin-top:0}.scopes{grid-template-columns:1fr;gap:12px;margin-top:18px;display:grid}@media (width>=700px){.scopes{grid-template-columns:1fr 1.6fr}}.scopes figure{margin:0}.scopes canvas{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;width:100%;height:170px;display:block}.scopes figcaption{margin-top:4px;font-size:.78rem}.eq-btn{min-width:52px}.eq-btn[aria-pressed=true]{background:var(--eq);border-color:var(--eq);color:#fff}.eq-btn[aria-pressed=true]:hover{color:#fff;filter:brightness(1.06)}#monitor{--eq:#d97706}#monitor.eq-on #spec-canvas{cursor:crosshair;touch-action:none}.eq-panel{border-top:1px solid var(--border);margin-top:14px;padding-top:14px}.eq-fields{grid-template-columns:1fr;gap:12px 24px;display:grid}@media (width>=700px){.eq-fields{grid-template-columns:repeat(3,1fr)}}.eq-fields .field{margin-top:0}.eq-fields .label{justify-content:space-between;display:flex}.eq-fields input[type=range]{max-width:none;accent-color:var(--eq);display:block}.eq-foot{flex-wrap:nowrap;justify-content:space-between;align-items:flex-start;margin-top:10px}@media (width<=560px){.eq-foot{flex-wrap:wrap}}
