:root {
  --bg:#0f1117; --card:#1a1d28; --card-hover:#222639; --border:#2a2e3a;
  --text:#e1e4eb; --text-dim:#8b8fa3; --primary:#6366f1; --primary-hover:#818cf8;
  --success:#22c55e; --warning:#f59e0b; --danger:#ef4444; --info:#3b82f6;
  --radius:10px; --shadow:0 2px 8px rgba(0,0,0,0.3);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}

.header{background:var(--card);border-bottom:1px solid var(--border);padding:0 24px;height:56px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:100}
.header h1{font-size:18px;font-weight:600;background:linear-gradient(135deg,var(--primary),var(--info));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-left:8px}
.status-dot.online{background:var(--success);box-shadow:0 0 8px var(--success)}
.status-dot.offline{background:var(--danger);box-shadow:0 0 8px var(--danger)}

.nav-tabs{display:flex;gap:0;background:var(--card);border-bottom:1px solid var(--border);padding:0 16px;overflow-x:auto}
.nav-tab{padding:12px 20px;cursor:pointer;font-size:13px;font-weight:500;color:var(--text-dim);border-bottom:2px solid transparent;transition:all 0.2s;white-space:nowrap;background:none;border-top:none;border-left:none;border-right:none;font-family:inherit}
.nav-tab:hover{color:var(--text);background:var(--card-hover)}
.nav-tab.active{color:var(--primary);border-bottom-color:var(--primary)}

.content{padding:20px 24px;max-width:1600px;margin:0 auto}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:16px}
.card-title{font-size:14px;font-weight:600;color:var(--text-dim);margin-bottom:16px;text-transform:uppercase;letter-spacing:0.5px}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:8px}
.section-header h2{font-size:18px;font-weight:600}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:20px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center;box-shadow:var(--shadow);transition:transform 0.2s}
.stat-card:hover{transform:translateY(-2px)}
.stat-card .value{font-size:28px;font-weight:700;margin-bottom:4px}
.stat-card .label{font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.5px}
.stat-card.g .value{color:var(--success)}
.stat-card.y .value{color:var(--warning)}
.stat-card.r .value{color:var(--danger)}
.stat-card.b .value{color:var(--info)}
.stat-card.p .value{color:var(--primary)}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}
th{font-weight:600;color:var(--text-dim);font-size:11px;text-transform:uppercase;letter-spacing:0.5px}
tr:hover td{background:var(--card-hover)}
.table-wrap{overflow-x:auto}

.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}
.badge.active,.badge.healthy,.badge.success,.badge.resolved{background:rgba(34,197,94,0.15);color:var(--success)}
.badge.warming_up,.badge.pending,.badge.degraded,.badge.pending_warmup{background:rgba(245,158,11,0.15);color:var(--warning)}
.badge.challenge_required,.badge.suspended,.badge.banned,.badge.failed,.badge.dead{background:rgba(239,68,68,0.15);color:var(--danger)}
.badge.running,.badge.created,.badge.login{background:rgba(99,102,241,0.15);color:var(--primary)}
.badge.paused,.badge.two_factor_required{background:rgba(139,143,163,0.15);color:var(--text-dim)}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--border);background:var(--card);color:var(--text);transition:all 0.2s;font-family:inherit;text-decoration:none}
.btn:hover{background:var(--card-hover);border-color:var(--text-dim)}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-hover)}
.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn-danger:hover{opacity:0.85}
.btn-success{background:var(--success);color:#fff;border-color:var(--success)}
.btn-sm{padding:4px 10px;font-size:12px}
.btn-xs{padding:2px 8px;font-size:11px}
.btn-group{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

input,select,textarea{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 12px;color:var(--text);font-size:13px;font-family:inherit;outline:none;transition:border-color 0.2s}
input:focus,select:focus,textarea:focus{border-color:var(--primary)}
input:disabled,select:disabled,textarea:disabled{opacity:0.5}
textarea{resize:vertical;min-height:80px}
label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:4px;margin-top:8px}

.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:200;align-items:center;justify-content:center}
.modal-overlay.open{display:flex}
.modal{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:90%;max-width:680px;max-height:85vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,0.4)}
.modal h2{font-size:16px;margin-bottom:16px}
.modal .form-group{margin-bottom:10px}
.modal .form-group input,.modal .form-group select,.modal .form-group textarea{width:100%}

.search-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.search-bar input{min-width:200px}

.toast{display:none;position:fixed;bottom:24px;right:24px;padding:12px 20px;border-radius:8px;z-index:300;font-size:13px;font-weight:500;box-shadow:0 4px 12px rgba(0,0,0,0.3);animation:slideIn 0.3s ease;max-width:400px}
.toast.show{display:block}
.toast.success{background:var(--success);color:#fff}
.toast.error{background:var(--danger);color:#fff}
.toast.info{background:var(--info);color:#fff}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

.loading{display:none;text-align:center;padding:40px;color:var(--text-dim)}
.loading.show{display:block}
.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto 12px}
@keyframes spin{to{transform:rotate(360deg)}}

.empty{text-align:center;padding:40px;color:var(--text-dim)}
.empty .icon{font-size:40px;margin-bottom:12px;display:block}

.json-view{background:var(--bg);border-radius:8px;padding:12px;font-family:'SF Mono','Fira Code',monospace;font-size:12px;line-height:1.6;overflow-x:auto;white-space:pre-wrap;max-height:400px;overflow-y:auto}

.progress-bar{height:6px;background:var(--bg);border-radius:3px;overflow:hidden;margin-top:4px}
.progress-bar .fill{height:100%;border-radius:3px;transition:width 0.5s ease}
.fill-green{background:var(--success)}.fill-yellow{background:var(--warning)}.fill-red{background:var(--danger)}

.test-node{border:1px dashed var(--success);border-radius:var(--radius);padding:12px;margin:8px 0}
.test-node>.card-title{color:var(--success);margin-bottom:8px}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.text-ellipsis{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

@media(max-width:768px){
  .content{padding:12px} .stat-grid{grid-template-columns:repeat(2,1fr)}
  .nav-tab{padding:10px 14px;font-size:12px} .grid2,.grid3{grid-template-columns:1fr}
  .btn-group{flex-direction:column} .search-bar input{min-width:auto;width:100%}
}