:root{--navy: #0e2240;--navy-light: #17335c;--gold: #c8a04d;--gold-light: #e2c384;--bg: #f6f7fb;--surface: #ffffff;--text: #1a1f2b;--text-muted: #5b6472;--border: #e4e7ee;--danger: #c0392b;--ok: #2f8f5b;--warn: #c8862f;--radius: 10px;--shadow: 0 1px 2px rgba(14, 34, 64, .06), 0 4px 12px rgba(14, 34, 64, .05)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Be Vietnam Pro,Segoe UI,system-ui,sans-serif}a{color:inherit}.app-shell{display:flex;min-height:100vh}.app-nav{width:220px;flex-shrink:0;background:var(--navy);color:#fff;padding:20px 0}.app-nav .brand{font-weight:700;font-size:18px;padding:0 20px 20px;color:var(--gold-light);letter-spacing:.02em}.app-nav .tenant-name{display:block;font-weight:400;font-size:12px;color:#ffffff8c;letter-spacing:0;margin-top:2px}.app-nav .lang-switch{display:flex;gap:4px;padding:10px 20px;margin-top:8px;border-top:1px solid rgba(255,255,255,.12)}.app-nav .lang-btn{background:transparent;border:1px solid rgba(255,255,255,.25);color:#ffffffb3;font-size:11px;padding:3px 8px;border-radius:4px;cursor:pointer}.app-nav .lang-btn.active{border-color:var(--gold);color:#fff;font-weight:600}.app-nav a{display:block;padding:10px 20px;text-decoration:none;color:#ffffffc7;font-size:14px;border-left:3px solid transparent}.app-nav a:hover{background:var(--navy-light);color:#fff}.app-nav a.active{border-left-color:var(--gold);background:var(--navy-light);color:#fff;font-weight:600}.app-main{flex:1;padding:28px 32px;max-width:1280px}.app-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}.app-header h1{font-size:22px;margin:0;color:var(--navy)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}.code-block{background:var(--navy);color:#d8e0ef;border-radius:6px;padding:10px 12px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-x:auto;margin:0 0 12px;white-space:pre}.card+.card{margin-top:16px}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:16px}.stat-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}.stat-tile .label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.stat-tile .value{font-size:26px;font-weight:700;color:var(--navy);margin-top:4px}.stat-tile .value.gold{color:var(--gold)}table.data-table{width:100%;border-collapse:collapse;font-size:13px}table.data-table th,table.data-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}table.data-table th{color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600}.badge.ok{background:#2f8f5b1f;color:var(--ok)}.badge.warn{background:#c8862f24;color:var(--warn)}.badge.danger{background:#c0392b1f;color:var(--danger)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid var(--navy);background:var(--navy);color:#fff;font-size:13px;font-weight:600;cursor:pointer}.btn:hover{background:var(--navy-light)}.btn.secondary{background:transparent;color:var(--navy)}.btn.gold{background:var(--gold);border-color:var(--gold);color:var(--navy)}.select{padding:6px 10px;border-radius:8px;border:1px solid var(--border);font-size:13px;background:var(--surface)}.device-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.device-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.device-card .device-title{display:flex;justify-content:space-between;align-items:center;font-weight:700;color:var(--navy);margin-bottom:8px}.device-card dl{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;font-size:13px;margin:0}.device-card dt{color:var(--text-muted)}.device-card dd{margin:0}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--navy)}.login-card{background:var(--surface);border-radius:var(--radius);padding:32px;width:320px;box-shadow:var(--shadow)}.login-card h1{color:var(--navy);font-size:20px;margin:0 0 4px}.login-card .gold-underline{width:40px;height:3px;background:var(--gold);margin-bottom:18px}.field{margin-bottom:14px}.field label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:4px}.field input{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px}.error-text{color:var(--danger);font-size:13px;margin-top:8px}.muted{color:var(--text-muted);font-size:13px}