*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0f1117;--surface:#1a1d27;--border:#2a2d3e;--text:#e2e8f0;--muted:#64748b;--green:#22c55e;--red:#ef4444;--yellow:#eab308;--blue:#3b82f6;--purple:#8b5cf6;--radius:10px}
body{font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
nav{background:var(--surface);border-bottom:1px solid var(--border);padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:60px;position:sticky;top:0;z-index:100}
.nav-brand{font-size:1.2rem;font-weight:700;color:var(--text);text-decoration:none}
.nav-links{display:flex;align-items:center;gap:1rem}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.9rem;transition:color .15s}
.nav-links a:hover{color:var(--text)}
main{max-width:1200px;margin:0 auto;padding:2rem 1.5rem}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem}
.card-sm{padding:1rem}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:2rem}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;text-align:center}
.stat-value{font-size:2rem;font-weight:700;line-height:1}
.stat-label{font-size:.78rem;color:var(--muted);margin-top:.4rem;text-transform:uppercase;letter-spacing:.05em}
.badge{display:inline-flex;align-items:center;gap:.4rem;padding:.25rem .7rem;border-radius:999px;font-size:.75rem;font-weight:600}
.badge-up{background:#14532d33;color:var(--green);border:1px solid #14532d}
.badge-down{background:#7f1d1d33;color:var(--red);border:1px solid #7f1d1d}
.badge-pending{background:#78350f33;color:var(--yellow);border:1px solid #78350f}
.badge-paused{background:#1e293b;color:var(--muted);border:1px solid var(--border)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}
.dot-up{background:var(--green);box-shadow:0 0 6px var(--green);animation:pulse 2s infinite}
.dot-down{background:var(--red);box-shadow:0 0 6px var(--red)}
.dot-pending{background:var(--yellow)}
.dot-paused{background:var(--muted)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.monitors-list{display:flex;flex-direction:column;gap:.75rem}
.monitor-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;align-items:center;gap:1rem;text-decoration:none;color:var(--text);transition:border-color .15s}
.monitor-row:hover{border-color:var(--blue)}
.monitor-row.is-down{border-left:3px solid var(--red)}
.monitor-row.is-up{border-left:3px solid var(--green)}
.monitor-row.is-pending,.monitor-row.is-paused{border-left:3px solid var(--muted)}
.monitor-name{font-weight:600}
.monitor-target{font-size:.8rem;color:var(--muted);margin-top:.2rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:300px}
.monitor-meta{font-size:.85rem;color:var(--muted)}
.type-pill{font-size:.7rem;padding:.2rem .5rem;border-radius:4px;font-weight:700;letter-spacing:.05em;margin-right:.3rem}
.type-http{background:#1e3a5f;color:#60a5fa}
.type-tcp{background:#2d1b69;color:#a78bfa}
.type-ping{background:#14532d33;color:#4ade80}
.type-ssl{background:#78350f33;color:#fbbf24}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;border:none;text-decoration:none;transition:opacity .15s;background:var(--border);color:var(--text)}
.btn:hover{opacity:.85}
.btn-primary{background:var(--blue);color:#fff}
.btn-danger{background:var(--red);color:#fff}
.btn-warning{background:var(--yellow);color:#000}
.btn-sm{padding:.3rem .7rem;font-size:.8rem}
.form-group{margin-bottom:1.25rem}
label{display:block;font-size:.875rem;color:var(--muted);margin-bottom:.4rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{width:100%;background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:.6rem .8rem;font-size:.9rem}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue)}
.form-hint{font-size:.78rem;color:var(--muted);margin-top:.3rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.alert{padding:.8rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}
.alert-success{background:#14532d33;color:var(--green);border:1px solid #14532d}
.alert-error{background:#7f1d1d33;color:var(--red);border:1px solid #7f1d1d}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;flex-wrap:wrap;gap:.75rem}
.page-title{font-size:1.5rem;font-weight:700}
.data-table{width:100%;border-collapse:collapse;font-size:.875rem}
.data-table th{color:var(--muted);font-weight:500;padding:.6rem 1rem;text-align:left;border-bottom:1px solid var(--border)}
.data-table td{padding:.6rem 1rem;border-bottom:1px solid #2a2d3e44}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:#ffffff05}
/* Checkbox toggle */
.toggle-group{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;margin-bottom:.75rem}
.toggle-header{display:flex;align-items:center;gap:.75rem;cursor:pointer;user-select:none}
.toggle-header input[type=checkbox]{width:18px;height:18px;cursor:pointer;accent-color:var(--blue)}
.toggle-label{font-weight:500;font-size:.95rem}
.toggle-body{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border);display:none}
.toggle-body.open{display:block}
.channel-icon{font-size:1.2rem}
/* Admin table */
.user-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.9rem 1.25rem;display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;align-items:center;gap:1rem;margin-bottom:.5rem}
@media(max-width:768px){
    .monitor-row{grid-template-columns:1fr auto}
    .monitor-row .monitor-meta{display:none}
    .form-grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:1fr 1fr}
    .user-row{grid-template-columns:1fr auto}
}