:root {
  --bg: #0c1118;
  --panel: #141b24;
  --panel2: #1a2330;
  --line: #2c3848;
  --text: #e7eef7;
  --muted: #8fa0b3;
  --accent: #d4a017;
  --accent2: #b8860b;
  --ok: #3dbe8c;
  --warn: #e0a44a;
  --danger: #e06a6a;
  --info: #5b9fd6;
  --radius: 12px;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1000px 500px at 0% 0%, #1a2433 0%, transparent 55%),
    radial-gradient(800px 400px at 100% 0%, #2a2210 0%, transparent 45%),
    var(--bg);
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); font-size: 0.9rem; }
.mono { font-family: var(--mono); font-size: 0.82rem; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.danger { color: var(--danger); }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  display: grid;
  gap: 14px;
  box-shadow: 0 24px 60px rgba(0,0,0,.4);
}
.brand, .brand-sm {
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--accent);
}
.brand { font-size: 1.55rem; }
.brand-sm { font-size: 1.1rem; padding: 8px 4px 18px; }

label { display: grid; gap: 6px; font-size: 0.85rem; color: var(--muted); }
input, select, button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--text);
  padding: 10px 12px;
}
button {
  cursor: pointer;
  background: var(--accent);
  color: #1a1405;
  border: none;
  font-weight: 600;
}
button.secondary { background: var(--panel2); color: var(--text); border: 1px solid var(--line); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
button.danger-btn { background: var(--danger); color: #1a0a0a; }
button.ok-btn { background: var(--ok); color: #062016; }
button:hover { filter: brightness(1.06); }

.app { display: grid; grid-template-columns: 230px 1fr; min-height: 100vh; }
.sidebar {
  padding: 18px 14px;
  border-right: 1px solid var(--line);
  background: rgba(20,27,36,.9);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sidebar nav { display: grid; gap: 4px; flex: 1; }
.nav {
  text-align: left;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  font-weight: 500;
}
.nav.active, .nav:hover {
  background: var(--panel2);
  color: var(--text);
  border-color: var(--line);
}
.sidebar .ghost { margin-top: auto; }

main { padding: 22px 26px 40px; }
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.top h1 { margin: 0; font-size: 1.35rem; font-weight: 600; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.card .label { color: var(--muted); font-size: 0.8rem; margin-bottom: 6px; }
.card .value { font-size: 1.45rem; font-weight: 700; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}
.panel h2 { margin: 0 0 12px; font-size: 1rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }

.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.switch-row:last-child { border-bottom: none; }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  border: 1px solid var(--line);
  background: var(--panel2);
}
.badge.block { border-color: var(--danger); color: var(--danger); }
.badge.pause { border-color: var(--warn); color: var(--warn); }
.badge.low { border-color: var(--ok); color: var(--ok); }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--line); }
  .sidebar nav { grid-template-columns: repeat(2, 1fr); }
}