:root{--primary: #1e88e5;--accent: #4caf50;--bg: #f4f6f9;--card: #ffffff;--text: #1a1a1a;--muted: #5f6b7a;--border: #e2e6ec;--danger: #e53935}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.center{display:grid;place-items:center;min-height:100vh}.muted{color:var(--muted)}.badge{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:2px 8px;font-size:12px}.app-shell{display:flex;min-height:100vh}.sidebar{width:230px;background:#11202e;color:#e8edf3;display:flex;flex-direction:column;padding:18px 12px}.brand{font-weight:800;font-size:18px;padding:8px 10px 18px}.nav-link{display:block;padding:10px 12px;border-radius:10px;color:#c7d2dd;text-decoration:none;margin-bottom:4px}.nav-link:hover{background:#1b2f42}.nav-link.active{background:var(--primary);color:#fff}.nav-group-btn{width:100%;display:flex;align-items:center;justify-content:space-between;background:transparent;border:none;cursor:pointer;font:inherit;text-align:left}.nav-group-btn.active-parent{color:#fff}.nav-group-btn .chevron{font-size:12px;opacity:.8}.nav-sub{margin:2px 0 4px 10px;padding-left:8px;border-left:1px solid #25394c}.nav-sub .nav-link{font-size:14px;padding:8px 12px}.main{flex:1;display:flex;flex-direction:column}.topbar{height:60px;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px}.content{padding:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:16px}h1{font-size:22px;margin:0 0 16px}h2{font-size:17px;margin:0 0 12px}.btn{background:var(--primary);color:#fff;border:none;cursor:pointer;padding:10px 16px;border-radius:10px;font-weight:600;font-size:14px}.btn:hover{filter:brightness(1.05)}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger)}.btn.small{padding:6px 10px;font-size:13px}.btn:disabled{opacity:.6;cursor:default}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field label{font-size:13px;color:var(--muted);font-weight:600}input,select,textarea{border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;background:#fff;width:100%}input[type=checkbox],input[type=radio]{width:auto;padding:0;margin:0;flex:0 0 auto;width:18px;height:18px;cursor:pointer}textarea{resize:vertical;min-height:90px}.perm-list{display:flex;flex-direction:column;gap:6px;max-width:540px}.perm-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border:1px solid var(--border);border-radius:10px;cursor:pointer;background:#fff}.perm-item:hover{background:#f7f9fb}.perm-text{display:flex;flex-direction:column;line-height:1.3}.perm-name{font-weight:600}.perm-key{font-size:12px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}th{font-size:12px;color:var(--muted);text-transform:uppercase}.row{display:flex;gap:10px;align-items:center}.row.wrap{flex-wrap:wrap}.spread{display:flex;justify-content:space-between;align-items:center}.error{color:var(--danger);font-size:13px;margin:8px 0}.ok{color:var(--accent);font-size:13px;margin:8px 0}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.module-card{cursor:pointer}.module-card.disabled{opacity:.55;cursor:default}.login-box{width:340px}