:root{--bg:#faf8f4;--surface:#fff;--text:#1f2933;--muted:#5b6873;--border:#e4ddd1;--primary:#6b4f2c;--primary-hover:#543d20;--primary-contrast:#fff;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);--maxw:640px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:700}p{margin:0 0 1em}a{color:var(--primary)}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:20px 18px}.site-footer,.site-header{width:100%}.site-header{border-bottom:1px solid var(--border);background:var(--surface)}.site-header .container{padding-top:14px;padding-bottom:14px}.site-header a{text-decoration:none;font-weight:700;color:var(--text)}.site-footer{border-top:1px solid var(--border);color:var(--muted);font-size:.85rem;text-align:center}.site-main{min-height:70vh}.card{box-shadow:var(--shadow);padding:18px}.btn,.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;font-size:1rem;font-weight:600;line-height:1;color:var(--text);text-decoration:none;cursor:pointer;transition:background .15s ease,border-color .15s ease}.btn:hover{border-color:var(--primary)}.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.btn-primary{background:var(--primary);border-color:var(--primary);color:var(--primary-contrast)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn-block{width:100%}@media (min-width:700px){body{font-size:18px}}