:root{--bg:#eef2f6;--card:#ffffff;--ink:#15202b;--muted:#5c6b7a;--accent:#0b6e4f;--danger:#b42318;--border:#d5dee7}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;font-family:Segoe UI,system-ui,-apple-system,sans-serif;color:var(--ink);background:linear-gradient(180deg,#e4ebf2 0,var(--bg) 240px)}a{color:var(--accent)}.container{max-width:920px;margin:0 auto;padding:2rem 1.25rem}.card{background:var(--card);border:1px solid var(--border);border-radius:.6rem;padding:1.5rem;box-shadow:0 1px 0 rgba(16,24,40,.04)}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:.4rem;padding:.5rem .9rem;font-weight:600;cursor:pointer;text-decoration:none;background:var(--accent);color:#fff}.btn:hover{filter:brightness(1.05)}.btn.secondary{background:#fff;color:var(--ink);border-color:var(--border)}.btn.danger{background:var(--danger)}.btn.sm{padding:.25rem .55rem;font-size:.85rem}input,select{width:100%;border:1px solid var(--border);border-radius:.4rem;padding:.55rem .7rem;font:inherit;background:#fff}label{display:block;font-size:.9rem;margin-bottom:.3rem;color:var(--muted)}.field{margin-bottom:1rem}.table{width:100%;border-collapse:collapse}.table td,.table th{text-align:left;padding:.55rem .4rem;border-bottom:1px solid var(--border);vertical-align:middle}.muted{color:var(--muted)}.error{color:var(--danger);margin:.75rem 0}.nav{justify-content:space-between;margin-bottom:1.25rem}.nav,.nav-links{display:flex;gap:.75rem;align-items:center}