:root{--bg:#f4f6fb;--card:#fff;--text:#182033;--muted:#6b7280;--brand:#2563eb;--green:#16a34a;--red:#dc2626;--yellow:#ca8a04}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:Inter,Arial,sans-serif;color:var(--text)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:390px;background:#fff;padding:32px;border-radius:18px;box-shadow:0 20px 60px #0001}input,select,textarea{width:100%;padding:12px;border:1px solid #d7dce6;border-radius:10px;background:#fff}label{font-size:13px;font-weight:700;margin:12px 0 6px;display:block}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:white;border:0;border-radius:10px;padding:11px 16px;text-decoration:none;font-weight:700;cursor:pointer}.btn.red{background:var(--red)}.btn.green{background:var(--green)}.btn.gray{background:#475569}.btn.small{padding:7px 10px;font-size:12px}.layout{display:flex;min-height:100vh}.sidebar{width:250px;background:#0f172a;color:#fff;padding:24px 18px;position:fixed;top:0;bottom:0}.brand{font-size:22px;font-weight:900;margin-bottom:28px}.sidebar a{display:block;color:#cbd5e1;text-decoration:none;padding:12px 14px;border-radius:10px;margin:5px 0}.sidebar a:hover,.sidebar a.active{background:#1e293b;color:#fff}.main{margin-left:250px;padding:28px;width:calc(100% - 250px)}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:#fff;border-radius:18px;padding:20px;box-shadow:0 10px 30px #0000000d}.card h3{margin:0 0 8px;font-size:14px;color:var(--muted)}.value{font-size:26px;font-weight:900}.green-t{color:var(--green)}.red-t{color:var(--red)}.yellow-t{color:var(--yellow)}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}.table th,.table td{padding:13px;border-bottom:1px solid #eef2f7;text-align:left;font-size:14px}.table th{background:#f8fafc;color:#475569}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.full{grid-column:1/-1}.alert{padding:12px;border-radius:10px;margin-bottom:14px;background:#ecfdf5;color:#166534}.error{background:#fef2f2;color:#991b1b}.actions{display:flex;gap:8px;flex-wrap:wrap}.section-title{display:flex;justify-content:space-between;align-items:center;margin:25px 0 14px}@media(max-width:900px){.sidebar{position:relative;width:100%;height:auto}.layout{display:block}.main{margin:0;width:100%}.grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}}