:root{--bg:#0f1720;--panel:#162131;--panel2:#1d2a3b;--line:#314153;--text:#e9eef5;--muted:#91a1b5;--blue:#2196f3;--green:#28b66f;--red:#ef4444;--amber:#f4b740}
*{box-sizing:border-box}body{margin:0;background:#d7e0e8;color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:14px}.sidebar{position:fixed;inset:0 auto 0 0;width:220px;background:#0b0d10;border-right:1px solid #222;display:flex;flex-direction:column}.brand{padding:22px 20px;color:#22a8ff;font-weight:800;font-size:20px;letter-spacing:.3px;display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:12px;flex:0 0 auto;box-shadow:0 10px 18px rgba(0,0,0,.24)}.brand-text{display:flex;flex-direction:column}.brand span{display:block;color:#8594a6;font-size:12px;margin-top:4px;font-weight:600}.brand.big{padding:0 0 12px}.sidebar nav{display:flex;flex-direction:column}.sidebar nav a{color:#cbd5e1;text-decoration:none;padding:15px 20px;border-left:4px solid transparent}.sidebar nav a.active,.sidebar nav a:hover{background:#2196f3;color:white;border-left-color:#8bd4ff}.side-foot{margin-top:auto;padding:18px 20px;color:#76869a;font-size:12px;border-top:1px solid #20242a}.side-foot a{color:#9bd3ff}.main{margin-left:220px;min-height:100vh;color:#1f2937}.topbar{min-height:88px;background:#edf3f8;border-bottom:1px solid #c7d2dc;display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:12px}.topbar h1{margin:0;color:#111827;font-size:24px}.topbar p{margin:6px 0 0;color:#64748b}.version{background:#162131;color:#dbeafe;border-radius:999px;padding:8px 12px}.content{padding:20px 24px}.grid{display:grid;gap:14px}.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.cards-six{grid-template-columns:repeat(6,minmax(0,1fr))}.two{grid-template-columns:1.2fr .8fr}.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:16px;box-shadow:0 2px 8px rgba(15,23,42,.08)}.card.dark{background:var(--panel);color:var(--text);border-color:#2e3c4e}.label{font-size:12px;color:#64748b;font-weight:700;text-transform:uppercase}.dark .label{color:#a9b7c8}.value{font-size:30px;font-weight:800;margin-top:8px}.ok{color:var(--green)}.bad{color:var(--red)}.warn{color:var(--amber)}.muted{color:#64748b}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px;border-bottom:1px solid #d4dde6;vertical-align:top}th{font-size:12px;color:#64748b;text-transform:uppercase}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-weight:700;font-size:12px}.badge.on{background:#dcfce7;color:#166534}.badge.off{background:#fee2e2;color:#991b1b}.badge.tx{background:#fef3c7;color:#92400e}.bar{height:10px;background:#d6dee8;border-radius:999px;overflow:hidden}.bar span{display:block;height:100%;background:var(--blue)}.chart-row{display:grid;grid-template-columns:150px 1fr 45px;align-items:center;gap:10px;margin:10px 0}.pie-wrap{display:grid;grid-template-columns:170px 1fr;gap:18px;align-items:center;margin:12px 0 20px}.pie{width:164px;height:164px;border-radius:50%;display:grid;place-items:center;position:relative;box-shadow:inset 0 0 0 1px rgba(15,23,42,.08)}.pie.empty{background:#cbd5e1}.pie:after{content:"";position:absolute;inset:34px;background:#f8fafc;border-radius:50%;box-shadow:0 0 0 1px rgba(148,163,184,.35)}.pie span{position:relative;z-index:1;font-weight:800;font-size:24px;color:#111827}.pie-legend{display:grid;gap:8px}.pie-legend-row{display:grid;grid-template-columns:14px minmax(80px,1fr) auto;align-items:center;gap:8px;color:#334155}.pie-legend-row i{width:12px;height:12px;border-radius:3px;display:block}.pie-legend-row span{color:#64748b;font-size:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.btn,button{background:#2563eb;color:white;border:0;border-radius:7px;padding:9px 12px;text-decoration:none;cursor:pointer;font-weight:700}.btn.gray{background:#475569}.btn.red{background:#dc2626}.btn.green{background:#16a34a}input,select{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:7px;background:white}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.alert{padding:12px;border-radius:8px;margin:10px 0}.alert.good{background:#dcfce7;color:#166534}.alert.bad{background:#fee2e2;color:#991b1b}.footer{padding:18px 24px;color:#64748b;font-size:12px}.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#101826}.login-card{width:350px;background:#172235;border:1px solid #314153;border-radius:10px;padding:24px;color:var(--text)}.login-card input{margin:6px 0 12px;background:#0f1720;color:white;border-color:#334155}.login-card button{width:100%;margin-top:6px}@media(max-width:1200px){.cards-six{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1000px){.cards,.cards-six,.two,.three,.pie-wrap{grid-template-columns:1fr}.sidebar{position:static;width:auto}.main{margin-left:0}.pie{margin:auto}.topbar{flex-direction:column;align-items:flex-start}}