:root{--bg:#f4f7fb;--panel:#ffffff;--text:#132238;--muted:#5c6b7d;--line:#d9e2ec;--brand:#0f766e;--brand-dark:#0b5a54;--danger:#c53030}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,SF Pro Text,-apple-system,BlinkMacSystemFont,sans-serif;background:radial-gradient(circle at 10% 10%,#e6f6f4,var(--bg) 40%);color:var(--text)}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:24px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}.grid{display:grid;grid-gap:16px;gap:16px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}button,input,select{width:100%;border-radius:10px;border:1px solid var(--line);padding:10px 12px;font-size:14px}button{background:var(--brand);border:none;color:#fff;font-weight:600;cursor:pointer}button:hover{background:var(--brand-dark)}.error{color:var(--danger);font-size:13px}.topnav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.topnav nav{display:flex;gap:10px}.badge{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 10px}.table{width:100%;border-collapse:collapse}.table td,.table th{border-bottom:1px solid var(--line);text-align:left;padding:10px;font-size:14px}.muted{color:var(--muted)}@media (max-width:720px){.container{padding:14px}.topnav{flex-direction:column;align-items:flex-start}}