:root{--blue:#0b4dae;--red:#ff5757;--ink:#0f172a;--muted:#64748b;--bg:#f5f7fb;--card:#fff;--line:#e2e8f0;--shadow:0 18px 45px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:290px 1fr}.sidebar{background:#071b45;color:#fff;padding:24px;display:flex;flex-direction:column;gap:24px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--red));display:grid;place-items:center;font-weight:900}.brand small,.sidebar-footer small{color:#b7c4df}.nav{display:grid;gap:7px}.nav-link{padding:11px 13px;border-radius:14px;color:#d8e3f8}.nav-link:hover,.nav-link.active{background:rgba(255,255,255,.13);color:#fff}.sidebar-footer{margin-top:auto}.main{padding:30px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.eyebrow{margin:0 0 4px;text-transform:uppercase;letter-spacing:.14em;color:var(--blue);font-size:12px;font-weight:800}.topbar h1{margin:0;font-size:34px;letter-spacing:-.04em}.card,.stat-card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.card{padding:22px;margin-bottom:22px}.card-head{display:flex;justify-content:space-between;gap:16px;margin-bottom:18px}.card-head h2{margin:0}.card-head p{margin:4px 0 0;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:22px}.stat-card{padding:20px;display:grid;gap:8px}.stat-card span{color:var(--muted);font-weight:800}.stat-card strong{font-size:34px}.stat-card small{color:var(--blue);font-weight:900}.btn{border:0;border-radius:14px;background:var(--blue);color:#fff;padding:10px 15px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.btn-light{background:#eef4ff;color:var(--blue)}.btn-danger{background:#fee2e2;color:#991b1b}.full{width:100%}.alert{padding:13px 15px;border-radius:14px;margin-bottom:16px;font-weight:700}.alert.success{background:#dcfce7;color:#166534}.alert.danger{background:#fee2e2;color:#991b1b}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:16px;background:#f8fafc;border:1px solid var(--line);border-radius:20px;margin-bottom:22px}.field{display:grid;gap:7px}.field span{font-size:13px;font-weight:800;color:#334155}.field input:not([type=checkbox]),.field select,.field textarea{width:100%;border:1px solid #d6deec;border-radius:14px;padding:12px 13px;font:inherit;background:#fff}.field input[type=checkbox]{width:22px;height:22px}.wide{grid-column:1/-1}.form-actions{display:flex;justify-content:flex-end;gap:8px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}th{background:#f8fafc;color:#475569;font-size:12px;text-transform:uppercase;letter-spacing:.08em}tr:last-child td{border-bottom:0}.actions{display:flex;gap:8px}.actions form{margin:0}.pill{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}.pill.ok{background:#dcfce7;color:#166534}.pill.off{background:#f1f5f9;color:#64748b}.login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#dfeaff,transparent 35%),var(--bg)}.login-card{width:min(430px,92vw);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:30px}.muted{color:var(--muted)}@media(max-width:1000px){.app-shell{grid-template-columns:1fr}.sidebar{height:auto;position:relative}.stats-grid,.form-grid{grid-template-columns:1fr}.main{padding:18px}.topbar{flex-direction:column;gap:12px}}