:root{--navy:#1d3652;--green:#16b883;--ink:#1f2d3a;--muted:#5c6b7a;--line:#e4eaf0;--bg:#f4f7fa;--white:#fff;--danger:#c0392b;color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}a{color:var(--green)}.container{max-width:920px;margin:0 auto;padding:32px 24px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.card+.card{margin-top:20px}h1,label{color:var(--navy)}label{display:block;font-size:13px;font-weight:700;margin:14px 0 6px}input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}.btn,button{display:inline-block;background:var(--green);color:#fff;border:0;border-radius:8px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;text-decoration:none}.btn.secondary,button.secondary{background:#fff;color:var(--navy);border:1px solid var(--line)}.btn.danger,button.danger{background:var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}table{width:100%;border-collapse:collapse;margin-top:12px}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);font-size:14px}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.err{color:var(--danger)}.err,.ok{font-size:13px;margin-top:8px}.ok{color:var(--green)}.muted{color:var(--muted);font-size:13px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--bg);font-size:12px;font-weight:700}nav.top{background:var(--navy);color:#fff;padding:14px 24px;display:flex;gap:18px;align-items:center}nav.top a{color:#cfe9df;text-decoration:none;font-size:14px}nav.top .brand{color:#fff;font-weight:800;margin-right:auto}