:root{--c-bg: #fbfaf5;--c-fg: #1a1611;--c-muted: #6b6359;--c-line: #e5dfd0;--c-card: #ffffff;--c-accent: #3a5b8c;--c-accent-soft: #d8e2ee;--c-ok: #3f7d52;--c-bad: #b0492f}:root[data-theme=dark]{--c-bg: #0e0c08;--c-fg: #f1ece0;--c-muted: #9c9485;--c-line: #2a2620;--c-card: #16130d;--c-accent: #7ba5d4;--c-accent-soft: #1a232e;--c-ok: #7fb98e;--c-bad: #d98a72}body{background:var(--c-bg);color:var(--c-fg)}.c-page{max-width:760px;margin:0 auto;padding:0 24px 96px}.c-topbar{border-bottom:1px solid var(--c-line);padding:18px 0;margin-bottom:36px}.c-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}.c-brand{display:flex;align-items:center;gap:10px}.c-brand-mark{display:inline-flex;padding:6px;border-radius:8px;background:var(--c-accent-soft);color:var(--c-accent)}.c-brand-name{font-family:Fraunces,serif;font-weight:500;font-size:20px;letter-spacing:-.01em}.c-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-card);color:var(--c-fg);font:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.c-btn:hover{border-color:var(--c-accent);color:var(--c-accent)}.c-btn-ghost{background:transparent}.c-input-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px}.c-field{display:flex;flex-direction:column;gap:6px;flex:1 1 320px}.c-field-label{font-size:12px;color:var(--c-muted);font-weight:500}.c-field input{font:inherit;font-family:JetBrains Mono,monospace;font-size:15px;padding:12px 14px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-card);color:var(--c-fg);outline:none}.c-field input:focus{border-color:var(--c-accent)}.c-input-aux{display:flex;align-items:center;gap:10px}.c-picker{display:inline-flex}.c-picker input[type=color]{inline-size:46px;block-size:46px;padding:0;border:1px solid var(--c-line);border-radius:10px;background:var(--c-card);cursor:pointer}.c-picker input[type=color]::-webkit-color-swatch-wrapper{padding:4px}.c-picker input[type=color]::-webkit-color-swatch{border:none;border-radius:6px}.c-result{margin-top:28px;display:grid;grid-template-columns:180px 1fr;gap:18px}.c-swatch{border-radius:14px;border:1px solid var(--c-line);min-height:160px;display:flex;align-items:center;justify-content:center;background:var(--c-card)}.c-swatch.invalid{background:var(--c-card)}.c-swatch-sample{font-family:Fraunces,serif;font-size:40px;font-weight:500;line-height:1}.c-formats{list-style:none;margin:0;padding:0;display:grid;gap:8px;align-content:start}.c-fmt{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--c-card);border:1px solid var(--c-line);border-radius:12px;padding:11px 14px;cursor:pointer;transition:border-color .15s ease}.c-fmt:hover{border-color:var(--c-accent)}.c-fmt-key{flex:none;font-size:11px;font-weight:600;letter-spacing:.04em;color:var(--c-accent);background:var(--c-accent-soft);padding:3px 8px;border-radius:999px}.c-fmt code{font-family:JetBrains Mono,monospace;font-size:14px;word-break:break-all;text-align:right}.c-formats .c-fmt-bad{color:var(--c-bad);cursor:default}.c-formats .c-fmt-bad:hover{border-color:var(--c-bad)}.c-contrast{margin-top:48px}.c-contrast h2,.c-why h2,.c-faq h2{font-family:Fraunces,serif;font-weight:400;font-size:28px;margin:0 0 12px;letter-spacing:-.01em}.c-contrast-note{font-size:14px;color:var(--c-muted);line-height:1.55;margin:0 0 18px;max-width:64ch}.c-contrast-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.c-cc-card{border:1px solid var(--c-line);border-radius:14px;overflow:hidden}.c-cc-preview{padding:20px 16px;font-size:18px;font-weight:600;text-align:center}.c-cc-body{padding:14px 16px;background:var(--c-card)}.c-cc-ratio{font-family:JetBrains Mono,monospace;font-size:22px;font-weight:600}.c-cc-on{font-size:12px;color:var(--c-muted);margin:2px 0 12px}.c-cc-badges{display:flex;flex-wrap:wrap;gap:6px}.c-badge{font-size:11px;font-weight:600;letter-spacing:.03em;padding:3px 9px;border-radius:999px;border:1px solid var(--c-line)}.c-badge.pass{color:var(--c-ok);border-color:var(--c-ok)}.c-badge.fail{color:var(--c-muted);opacity:.6}.c-why{margin-top:64px}.c-why p{font-size:16px;line-height:1.6;color:var(--c-fg);max-width:64ch;margin:0}.c-faq{margin-top:56px}.c-faq dl{display:grid;gap:18px;margin:0}.c-faq-item{background:var(--c-card);border:1px solid var(--c-line);border-radius:14px;padding:16px 20px}.c-faq-item dt{font-weight:600;margin:0 0 6px}.c-faq-item dd{color:var(--c-muted);line-height:1.55;margin:0}.c-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--c-fg);color:var(--c-bg);padding:10px 18px;border-radius:999px;font-size:14px;box-shadow:0 4px 16px #0000002e;z-index:60}.c-toast[hidden]{display:none!important}@media(max-width:560px){.c-result{grid-template-columns:1fr}.c-swatch{min-height:120px}.c-contrast-grid{grid-template-columns:1fr}}