:root{--bg:#e8edf0;--surface:#fbfcfb;--rail:#f3f5f2;--soft:#eef4f1;--ink:#161c1f;--muted:#667274;--accent:#b04525;--line:#d7ded9;--line-strong:#aeb9b1;color:var(--ink);background:linear-gradient(135deg, #b045251f, transparent 32%), var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input{font:inherit}.app-shell{min-height:100svh;padding:24px}.workbench{border:1px solid var(--line);background:var(--surface);grid-template-columns:minmax(230px,290px) minmax(0,1fr);min-height:calc(100svh - 48px);display:grid;box-shadow:0 18px 50px #1d252d1f}.preset-rail{border-right:1px solid var(--line);background:var(--rail);padding:22px}.brand{color:var(--ink);align-items:flex-start;gap:12px;margin-bottom:28px;display:flex}.brand h1,.panel-header h2,.section-title h3{margin:0}.brand h1{font-size:24px;line-height:1.1}.brand p,.panel-header p{color:var(--muted);margin:6px 0 0}.preset-list{gap:8px;display:grid}.preset{width:100%;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;justify-content:space-between;gap:14px;padding:12px 14px;display:flex}.preset:hover,.preset.active{border-color:var(--line-strong);background:var(--surface)}.preset small{color:var(--muted)}.tone-panel{align-content:start;gap:22px;padding:28px;display:grid}.panel-header{justify-content:space-between;gap:18px;display:flex}.eyebrow{color:var(--accent);text-transform:uppercase;margin-bottom:8px;font-size:13px;font-weight:700;display:inline-flex}.panel-header h2{color:var(--ink);font-size:44px;line-height:1}.icon-button{border:1px solid var(--line);width:42px;height:42px;color:var(--ink);background:var(--surface);cursor:pointer;border-radius:8px;flex:0 0 42px;place-items:center;display:inline-grid}.icon-button:hover{border-color:var(--line-strong)}.meter-row{grid-template-columns:1fr 1fr 2fr;gap:12px;display:grid}.meter{border:1px solid var(--line);background:var(--soft);border-radius:8px;grid-template-columns:auto 1fr;align-items:center;gap:6px 10px;min-height:88px;padding:16px;display:grid}.meter span{color:var(--ink);font-size:24px;font-weight:750}.meter small{color:var(--muted);grid-column:2}.knob-grid{grid-template-columns:repeat(7,minmax(92px,1fr));gap:10px;display:grid}.control{border:1px solid var(--line);background:var(--surface);border-radius:8px;gap:10px;min-height:138px;padding:14px;display:grid}.control span{color:var(--muted);text-transform:uppercase;font-size:13px;font-weight:700}.control strong{color:var(--ink);font-size:28px}.control input{width:100%;accent-color:var(--accent)}.chain{gap:14px;padding-top:4px;display:grid}.section-title,.chain-step{align-items:center;gap:10px;display:flex}.section-title{color:var(--ink)}.section-title h3{font-size:18px}.chain-steps{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.chain-step{border:1px solid var(--line);min-height:58px;color:var(--ink);background:var(--soft);border-radius:8px;padding:12px 14px;font-weight:650}@media (width<=920px){.app-shell{padding:12px}.workbench{grid-template-columns:1fr;min-height:calc(100svh - 24px)}.preset-rail{border-right:0;border-bottom:1px solid var(--line)}.preset-list{grid-template-columns:repeat(2,minmax(0,1fr))}.tone-panel{padding:20px}.panel-header h2{font-size:34px}.meter-row,.chain-steps{grid-template-columns:1fr}.knob-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=520px){.preset-list,.knob-grid{grid-template-columns:1fr}.panel-header{align-items:flex-start}}