:root{--renium: #4040ff;--renium-dark: #2e2ecc;--bg: #f5f6fa;--surface: #ffffff;--border: #e4e6ef;--text: #1a1a2e;--muted: #6b7280;--danger: #e53e3e;--success: #16a34a;font-family:Montserrat,system-ui,-apple-system,sans-serif;color:var(--text)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg)}a{color:var(--renium);text-decoration:none}button{font-family:inherit;cursor:pointer}.btn{background:var(--renium);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-weight:600;font-size:14px;transition:background .15s}.btn:hover{background:var(--renium-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--renium);border:1px solid var(--border)}.btn-ghost:hover{background:#f0f0ff}.btn-sm{padding:6px 12px;font-size:13px}.btn-danger{background:var(--danger)}.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--surface)}.input:focus{outline:2px solid var(--renium);border-color:var(--renium)}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.login-wrap{display:flex;min-height:100%;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:380px}.brand{display:flex;align-items:center;gap:10px;margin-bottom:24px}.brand-mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,#5b9bff,#4040ff)}.brand-name{font-weight:700;font-size:20px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--muted)}.error{color:var(--danger);font-size:13px;margin-top:8px}.layout{display:grid;grid-template-columns:240px 1fr;min-height:100%}.sidebar{background:#14142b;color:#cfd0e0;padding:20px 14px}.sidebar .brand-name{color:#fff}.nav{display:flex;flex-direction:column;gap:4px;margin-top:20px}.nav a{color:#cfd0e0;padding:10px 12px;border-radius:8px;font-size:14px;font-weight:500}.nav a:hover{background:#22224a;color:#fff}.nav a.active{background:var(--renium);color:#fff}.main{padding:28px 32px;overflow:auto}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-title{font-size:22px;font-weight:700;margin:0}.user-chip{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:12px}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;padding:12px;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;border-bottom:1px solid var(--border)}td{padding:12px;border-bottom:1px solid var(--border)}tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge-on{background:#dcfce7;color:var(--success)}.badge-off{background:#f1f1f4;color:var(--muted)}.toolbar{display:flex;gap:10px;margin-bottom:16px;align-items:center}.grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.stat .n{font-size:30px;font-weight:700;color:var(--renium)}.stat .l{color:var(--muted);font-size:13px;margin-top:4px}.muted{color:var(--muted)}