:root{--primary:#c97830;--primary-hard:#a86120;--primary-soft:#fef0df;--primary-glow:#c9783024;--ink:#1a1f2e;--ink-soft:#5b6170;--ink-mute:#929aa8;--bg-warm:#f5f1ea;--bg-warm-2:#ebe5db;--surface:#fff;--surface-card:#fcfaf7;--line:#e6e0d8;--line-strong:#cbc4bc;--radius:12px}*{box-sizing:border-box;margin:0;padding:0}::selection{background:var(--primary-glow)}html{background:var(--bg-warm);height:100%}body{align-items:center;background:linear-gradient(180deg,var(--bg-warm) 0,var(--bg-warm-2) 100%);background-attachment:fixed;color:var(--ink);display:flex;flex-direction:column;font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,system-ui,sans-serif;min-height:100vh;padding:20px 12px 30px}button{cursor:pointer}button,input{font:inherit}.site-header{margin-bottom:14px;max-width:640px;width:100%}.header-row{align-items:center;display:flex;gap:12px}.header-row :is(.le-icon,.logo){flex-shrink:0;height:48px}.header-row :is(.le-icon,.logo) 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.1s}.control-item:last-child{margin-bottom:0}.control-item:hover{border-color:var(--line-strong)}.control-item .label{align-items:center;color:var(--ink);display:flex;flex-shrink:0;font-size:.85rem;font-weight:500;gap:8px;min-width:80px}.control-item .label i{color:var(--primary);font-size:.95rem;text-align:center;width:20px}.control-item input[type=range]{appearance:none;-webkit-appearance:none;background:var(--bg-warm);border-radius:6px;flex:1;height:6px;min-width:60px;outline:none}.control-item input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:var(--primary);border:3px solid #fff;border-radius:50%;box-shadow:0 0 0 1px var(--primary-hard);cursor:pointer;height:22px;transition:transform .08s;width:22px}.control-item input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.12)}.control-item input[type=range]::-moz-range-thumb{background:var(--primary);border:3px solid 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