:root{--brand-blue: #2667b0;--brand-blue-dark: #1c4d85;--good: #2e7d32;--bad: #c62828;--bg: #f7f8fa;--card-border: #e3e5e8}.nav-link{color:#333;text-decoration:none}.nav-link:hover{color:var(--brand-blue)}.card{background:#fff;border:1px solid var(--card-border);border-radius:10px;padding:20px}.btn-primary{padding:10px 18px;background:var(--brand-blue);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600}.btn-primary:hover{background:var(--brand-blue-dark)}.btn-primary:disabled{background:#9db8d4}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#fafafa}button{cursor:pointer;transition:background-color .15s ease,color .15s ease,transform .08s ease,border-color .15s ease}button:active{transform:scale(.96)}button:disabled{cursor:default;opacity:.5;transform:none}textarea{transition:border-color .15s ease;animation:fadeIn .2s ease}.section-fade{animation:fadeSlideIn .22s ease}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}