:root{--red: #8b1a1a;--red-bright: #b51a1a;--ink: #1a1d24;--bg: #f4f5f7;--card: #ffffff;--line: #e4e7ec;--muted: #6b7280;--radius: 12px;--shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .06)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Inter,Segoe UI,system-ui,-apple-system,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}.full-center{height:100%;display:flex;align-items:center;justify-content:center;color:var(--muted)}.app-shell{display:flex;height:100%}.sidebar{width:248px;flex:0 0 248px;background:linear-gradient(180deg,#1f2430,#14161d);color:#e7e9ee;display:flex;flex-direction:column;padding:20px 16px}.brand{background:#fff;border-radius:var(--radius);padding:14px;display:flex;justify-content:center;margin-bottom:24px}.brand img{height:76px;width:auto}.nav{display:flex;flex-direction:column;gap:4px}.nav-link{display:block;padding:10px 14px;border-radius:8px;color:#c3c7d1;text-decoration:none;font-weight:500;transition:background .15s,color .15s}.nav-link:hover{background:#ffffff0f;color:#fff}.nav-link.active{background:var(--red);color:#fff}.sidebar-footer{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}.sidebar-footer .user{font-size:13px;color:#c3c7d1}.app-version{flex-basis:100%;margin-top:12px;font-size:11px;color:var(--muted)}.content{flex:1;overflow:auto;padding:32px 40px}.page-title{font-size:22px;font-weight:700;margin:0 0 4px}.page-sub{color:var(--muted);margin:0 0 24px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:20px}.card h2{font-size:16px;margin:0 0 16px}label{display:block;font-weight:600;margin-bottom:6px;font-size:13px}input[type=text],input[type=password],input[type=number],select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:#fff}input:focus,select:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px #8b1a1a1f}.field{margin-bottom:16px}.row{display:flex;gap:16px}.row>*{flex:1}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:8px;border:none;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red-bright)}.btn-primary:disabled{background:#c9a9a9;cursor:not-allowed}.btn-secondary{background:#eef0f3;color:var(--ink)}.btn-secondary:hover{background:#e2e5ea}.btn-link{background:none;border:none;color:#c3c7d1;cursor:pointer;font-size:13px;font-family:inherit;text-decoration:underline}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}th{font-size:12px;text-transform:uppercase;color:var(--muted);letter-spacing:.04em}tr:last-child td{border-bottom:none}.alert{padding:12px 14px;border-radius:8px;margin-bottom:16px;font-size:13px}.alert.error{background:#fdecec;color:#9b1c1c;border:1px solid #f5c6c6}.alert.success{background:#e9f7ef;color:#1e7e4f;border:1px solid #b7e4c7}.muted{color:var(--muted)}.checkbox-cell{width:36px;text-align:center}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}.badge-valid{background:#e9f7ef;color:#1e7e4f;border:1px solid #b7e4c7}.badge-expired{background:#fdecec;color:#9b1c1c;border:1px solid #f5c6c6}.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2a0d0d,#11131a);padding:24px}.login-card{width:100%;max-width:380px;background:#fff;border-radius:16px;padding:32px;box-shadow:0 20px 50px #00000059}.login-logo{display:flex;justify-content:center;margin-bottom:24px}.login-logo img{height:90px}.login-card h1{font-size:20px;text-align:center;margin:0 0 24px}.login-card .btn{width:100%;justify-content:center;margin-top:8px}