:root{--bg:#f4f6fb;--card:#ffffff;--ink:#172033;--muted:#667085;--line:#e5e7eb;--brand:#2563eb;--brand2:#1e40af;--danger:#dc2626;--side:#0f172a;--side2:#111c33}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}.layout{min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:280px;background:linear-gradient(180deg,var(--side),var(--side2));color:white;display:flex;flex-direction:column;border-right:1px solid #ffffff12}.brand{display:flex;align-items:center;gap:12px;padding:22px 22px 16px;border-bottom:1px solid #ffffff14}.brand img{width:44px;height:44px;border-radius:12px}.brand-title{font-weight:800;letter-spacing:.2px}.brand-subtitle{font-size:12px;color:#aab4c8;margin-top:2px}.userbox{margin:16px 16px 8px;padding:14px;border:1px solid #ffffff18;background:#ffffff0d;border-radius:16px}.avatar{width:38px;height:38px;border-radius:999px;background:#2563eb;display:inline-flex;align-items:center;justify-content:center;font-weight:800;margin-right:10px;vertical-align:middle}.user-meta{display:inline-block;vertical-align:middle;max-width:180px}.user-name{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:12px;color:#b8c2d8}.nav{padding:8px 12px;flex:1;overflow:auto}.nav a{display:flex;align-items:center;gap:10px;color:#d6dce9;text-decoration:none;padding:11px 12px;border-radius:12px;margin:3px 0;font-weight:600}.nav a:hover,.nav a.active{background:#ffffff12;color:white}.nav .sep{height:1px;background:#ffffff14;margin:12px 8px}.side-footer{padding:14px 18px;border-top:1px solid #ffffff14;color:#aab4c8;font-size:12px;line-height:1.5}.content{margin-left:280px;min-height:100vh;padding:30px;max-width:1400px}.public{max-width:520px;margin:0 auto;padding:32px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.topbar h1{margin:0;font-size:28px}.card,.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;margin:14px 0;box-shadow:0 8px 24px #10203b0a}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.stat{font-size:32px;font-weight:800;margin-top:6px}.flash{background:#ecfdf5;border:1px solid #10b981;color:#065f46;padding:12px;border-radius:12px;margin:12px 0}table{width:100%;border-collapse:separate;border-spacing:0;background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}tr:last-child td{border-bottom:0}th{background:#f8fafc;color:#475467;font-size:13px;text-transform:uppercase;letter-spacing:.03em}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #d0d5dd;border-radius:10px;background:white}input[type=checkbox]{width:auto}label{display:block;font-weight:700;margin:10px 0 6px}.btn,button{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:white;border:0;border-radius:10px;padding:10px 14px;text-decoration:none;cursor:pointer;font-weight:700}.btn:hover,button:hover{background:var(--brand2)}.btn.secondary{background:#475467}.btn.danger,button.danger{background:var(--danger)}.actions{display:flex;gap:8px;flex-wrap:wrap}.muted{color:var(--muted)}.login{background:white;padding:30px;border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 30px #10203b12}.badge{display:inline-flex;padding:4px 9px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:700}.badge.ok{background:#ecfdf3;color:#067647}.badge.off{background:#f2f4f7;color:#475467}.badge.warn{background:#fffaeb;color:#b54708}.badge.danger{background:#fef3f2;color:#b42318}.inline-form{display:inline}.help{font-size:13px;color:var(--muted)}@media(max-width:900px){.sidebar{position:relative;width:auto}.content{margin-left:0}.layout{display:block}.nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}}