:root{--bg:#f5f7fb;--card:#fff;--text:#111827;--muted:#6b7280;--brand:#2563eb;--border:#e5e7eb;--danger:#dc2626;--ok:#16a34a}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--brand);text-decoration:none}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card,.card{background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:0 10px 25px #0001}.login-card{width:390px;padding:32px}.brand{font-weight:800;font-size:26px;margin-bottom:5px}.muted{color:var(--muted)}label{display:block;margin:14px 0 6px;font-weight:600}input,select,textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;font:inherit}textarea{min-height:160px}.btn{display:inline-block;border:0;background:var(--brand);color:white;padding:11px 15px;border-radius:10px;font-weight:700;cursor:pointer}.btn.secondary{background:#111827}.btn.danger{background:var(--danger)}.btn.light{background:#e5e7eb;color:#111827}.error{background:#fee2e2;color:#991b1b;padding:12px;border-radius:10px}.success{background:#dcfce7;color:#166534;padding:12px;border-radius:10px}.layout{display:flex;min-height:100vh}.sidebar{width:260px;background:#0f172a;color:white;padding:22px;position:fixed;inset:0 auto 0 0}.sidebar .logo{font-size:22px;font-weight:900;margin-bottom:28px}.sidebar a{display:block;color:#cbd5e1;padding:12px 14px;border-radius:10px;margin:4px 0}.sidebar a:hover,.sidebar a.active{background:#1e293b;color:#fff}.main{margin-left:260px;width:calc(100% - 260px)}.topbar{height:68px;background:white;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 26px}.content{padding:26px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat{background:white;border:1px solid var(--border);border-radius:18px;padding:22px}.stat strong{font-size:34px;display:block}.card{padding:22px;margin-top:18px}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid var(--border);padding:12px;text-align:left}.badge{background:#eef2ff;color:#3730a3;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:700}.actions{display:flex;gap:8px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.full{grid-column:1/-1}@media(max-width:900px){.sidebar{position:static;width:100%}.layout{display:block}.main{margin:0;width:100%}.grid,.form-grid{grid-template-columns:1fr}}