:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f2eee7;--bg-elevated:#fffdf9;--surface:#fffdf9;--surface-2:#e9e2d7;--surface-3:#dcd2c3;--text:#211d18;--muted:#645a4e;--muted-strong:#473e34;--line:#d2c7b8;--line-strong:#a99a87;--accent:#b7422e;--accent-strong:#8d2d1e;--accent-soft:#f8dfd9;--accent-ink:#fffdf9;--accent-2:#2859bd;--success:#317051;--success-soft:#dceee4;--header-bg:#f2eee7e0;--selection:#edc8bc;--shadow:#513e2826}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background-color:var(--bg);min-height:100vh;color:var(--text);background-image:radial-gradient(circle,#5d4f3f16 1px,#0000 1.2px);background-size:18px 18px;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.skip-link{z-index:100;background:var(--text);color:var(--surface);border-radius:10px;padding:10px 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11px;font-size:.68rem;font-weight:900}h1{letter-spacing:-.065em;max-width:13ch;margin:0;font-size:clamp(3rem,8vw,6.7rem);line-height:.94}.lede{max-width:62ch;color:var(--muted);margin:26px 0 0;font-size:1rem;line-height:1.7}.actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.button{border:1px solid var(--line);background:var(--surface);border-radius:12px;justify-content:center;align-items:center;min-height:46px;padding:12px 17px;font-size:.82rem;font-weight:850;display:inline-flex}.button-primary{border-color:var(--accent);background:var(--accent);color:var(--accent-ink)}.button:hover{box-shadow:0 12px 28px var(--shadow);transform:translateY(-1px)}.button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.route-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:48px;display:grid}.route-card,.foundation-panel{border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 92%, transparent);box-shadow:0 18px 46px 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0;font-size:1.35rem}.resistor-tone-table header small{color:var(--muted);font-size:.67rem}.tone-table-scroll{overflow-x:auto}.resistor-tone-table table{border-collapse:collapse;width:100%}.resistor-tone-table th,.resistor-tone-table td{border-bottom:1px solid var(--line);text-align:left;padding:8px;font-size:.66rem}.resistor-tone-table button{border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:8px;width:100%;min-width:70px;padding:6px}.resistor-tone-table button[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 16%, transparent)}.resistor-tone-table i{border-radius:4px;grid-template-columns:repeat(6,1fr);height:16px;display:grid;overflow:hidden}.resistor-tone-table b{background:var(--band-color)}.band-palette-lab>header{align-items:start}.palette-inline{border:1px solid color-mix(in srgb, var(--accent) 35%, var(--line));background:color-mix(in srgb,var(--accent-soft) 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