:root {
  --bg: #0b0d12;
  --surface: #12151c;
  --surface2: #1a1f2b;
  --border: #2a3142;
  --text: #e8ecf4;
  --muted: #8b95a8;
  --accent: #5eead4;
  --accent2: #818cf8;
  --up: #34d399;
  --down: #f87171;
  --radius: 14px;
  --font: 'Outfit', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(94, 234, 212, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 234, 212, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

header, main, footer {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
}

.brand { display: flex; align-items: center; gap: .6rem; }
.brand h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.logo { color: var(--accent); font-size: 1.2rem; }
.tag {
  font-size: .7rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: .15rem .5rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

nav { display: flex; gap: .5rem; align-items: center; }

.tab, .btn {
  font-family: var(--font);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: .45rem .9rem;
  border-radius: 10px;
  cursor: pointer;
  font-size: .9rem;
  transition: .15s;
}

.tab:hover, .btn:hover { border-color: var(--accent); }
.tab.active { background: var(--surface2); border-color: var(--accent); color: var(--accent); }
.btn.primary { background: linear-gradient(135deg, #2dd4bf, #6366f1); border: none; color: #0b0d12; font-weight: 600; }
.btn.ghost { background: transparent; }
.btn.danger { border-color: var(--down); color: var(--down); }
.btn.sm { padding: .3rem .6rem; font-size: .8rem; }

.hidden { display: none !important; }
.muted { color: var(--muted); font-size: .85rem; }
.error { color: var(--down); font-size: .85rem; margin-top: .5rem; }

.view { animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

select, input, textarea {
  font-family: var(--font);
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .5rem .7rem;
  border-radius: 8px;
  font-size: .9rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}

.card .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.card .value { font-size: 1.8rem; font-weight: 700; font-family: var(--mono); margin-top: .2rem; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  margin-bottom: 1rem;
}

.panel.inner { background: var(--surface2); }
.panel h3 { font-size: .95rem; color: var(--muted); margin-bottom: 1rem; font-weight: 600; }

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .65rem .5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; }

.badge {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  font-family: var(--mono);
}
.badge.up { background: rgba(52, 211, 153, .15); color: var(--up); }
.badge.down { background: rgba(248, 113, 113, .15); color: var(--down); }

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.admin-grid .full { grid-column: 1 / -1; }

.form {
  display: grid;
  gap: .6rem;
  margin-bottom: 1rem;
}

.form-actions {
  display: flex;
  gap: .5rem;
}

.admin-list { display: grid; gap: .6rem; }

.svc-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .5rem;
  padding: .7rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.svc-item:hover, .svc-item.selected { border-color: var(--accent2); }
.svc-item .meta { font-size: .8rem; color: var(--muted); font-family: var(--mono); }
.svc-actions { display: flex; gap: .4rem; }

.detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .8rem;
  margin-bottom: 1rem;
}

.detail-meta .item { background: var(--surface2); padding: .8rem; border-radius: 10px; }
.detail-meta .item span { display: block; color: var(--muted); font-size: .75rem; }
.detail-meta .item strong { font-family: var(--mono); }

dialog {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 1.5rem;
  width: min(380px, calc(100vw - 2rem));
  margin: auto;
  position: fixed;
  inset: 0;
  max-height: calc(100vh - 2rem);
  overflow: auto;
}

dialog::backdrop { background: rgba(0,0,0,.6); backdrop-filter: blur(4px); }
.dialog-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1rem; }
#login-form { display: grid; gap: .8rem; }
#login-form h2 { font-size: 1.25rem; font-weight: 600; }

footer {
  display: flex;
  gap: 1rem;
  padding-bottom: 2rem;
  font-size: .85rem;
}

footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--accent); }

@media (max-width: 768px) {
  .admin-grid { grid-template-columns: 1fr; }
  header { flex-direction: column; gap: 1rem; align-items: stretch; }
  nav { justify-content: flex-end; flex-wrap: wrap; }
}