:root{color-scheme:light}body{background:#f5f6f8;color:#1f2a37;font-family:Segoe UI,Helvetica Neue,Arial,sans-serif;margin:0}a{color:inherit;text-decoration:none}.app-header{align-items:center;background:#fff;border-bottom:1px solid #e5e7eb;display:flex;justify-content:space-between;padding:16px 24px;position:sticky;top:0;z-index:10}.app-brand a{font-weight:700;letter-spacing:.4px}.app-nav{align-items:center;display:flex;font-weight:600;gap:16px}.link-button{background:none;border:none;color:#0f766e;cursor:pointer;font:inherit;padding:0}.app-main{margin:0 auto;max-width:1100px;padding:32px 24px 64px}.card{background:#fff;border-radius:12px;box-shadow:0 12px 24px #0f172a14;padding:24px}.btn{border:none;border-radius:10px;cursor:pointer;font-weight:600;padding:10px 16px}.btn-primary{background:#0f766e;color:#fff}.btn-secondary{background:#e2e8f0;color:#0f172a}.btn-danger{background:#dc2626;color:#fff}.field{display:flex;flex-direction:column;gap:6px}.field input,.field select,.field textarea{border:1px solid #cbd5f5;border-radius:8px;font-size:14px;padding:10px 12px}.grid{display:grid;gap:16px}@media(min-width:900px){.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}