:root{
  --bg:#0f1419;
  --panel:#161d26;
  --panel2:#1b2430;
  --text:#e6eaf0;
  --muted:#a8b3c2;
  --border:rgba(255,255,255,0.08);
  --accent:#4f8cff;
  --danger:#ff6b6b;
  --success:#4ad295;
  --shadow:0 10px 30px rgba(0,0,0,0.35);
  --radius:10px;
  --radius-sm:8px;
  --space:16px;
  --font:ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.45}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:24px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.brand{display:flex;flex-direction:column;gap:2px}
.brand .title{font-size:18px;font-weight:700;letter-spacing:0.2px}
.brand .sub{font-size:12px;color:var(--muted)}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card .card-body{padding:20px}
.grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:900px){.grid.two{grid-template-columns:1fr 1fr}}
.row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:10px;border:1px solid transparent;background:var(--accent);color:#08101a;font-weight:700;cursor:pointer}
.btn:hover{filter:brightness(1.07)}
.btn.secondary{background:transparent;border-color:var(--border);color:var(--text)}
.btn.danger{background:var(--danger);color:#140708}
.btn.small{padding:8px 10px;border-radius:9px;font-size:13px}
input,select,textarea{width:100%;padding:12px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel2);color:var(--text);outline:none}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:rgba(79,140,255,0.7);box-shadow:0 0 0 3px rgba(79,140,255,0.12)}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.form-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:900px){.form-grid.two{grid-template-columns:1fr 1fr}}
.help{font-size:12px;color:var(--muted);margin-top:6px}
.alert{border:1px solid var(--border);border-radius:12px;padding:12px 14px;background:rgba(255,255,255,0.03)}
.alert.danger{border-color:rgba(255,107,107,0.35);background:rgba(255,107,107,0.08)}
.alert.success{border-color:rgba(74,210,149,0.35);background:rgba(74,210,149,0.08)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--muted)}
.badge.on{color:#0b1a12;border-color:rgba(74,210,149,0.35);background:rgba(74,210,149,0.18)}
.badge.off{border-color:rgba(255,107,107,0.35);background:rgba(255,107,107,0.12)}
.table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:12px;border:1px solid var(--border)}
.table th,.table td{padding:12px 12px;border-bottom:1px solid var(--border);text-align:left}
.table th{font-size:12px;color:var(--muted);background:rgba(255,255,255,0.02)}
.table tr:last-child td{border-bottom:none}
.kpi{display:flex;flex-direction:column;gap:6px}
.kpi .v{font-size:22px;font-weight:800}
.kpi .k{font-size:12px;color:var(--muted)}

/* Toggle switch */
.toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,0.02)}
.toggle .t-title{font-weight:700}
.toggle .t-sub{font-size:12px;color:var(--muted);margin-top:4px}
.switch{position:relative;width:50px;height:28px;flex:0 0 auto}
.switch input{display:none}
.slider{position:absolute;inset:0;border-radius:999px;background:rgba(255,255,255,0.12);border:1px solid var(--border);transition:all .2s ease}
.slider:before{content:"";position:absolute;width:22px;height:22px;left:3px;top:2px;border-radius:50%;background:rgba(230,234,240,0.9);transition:all .2s ease}
.switch input:checked + .slider{background:rgba(79,140,255,0.35);border-color:rgba(79,140,255,0.65)}
.switch input:checked + .slider:before{transform:translateX(22px);background:#cfe1ff}

.footer{margin-top:22px;color:var(--muted);font-size:12px}