:root {
  --bg: #0f1419;
  --bg2: #161d24;
  --card: #1b242d;
  --card-hover: #223039;
  --border: #2b3945;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #4a9eff;
  --ok: #3fb950;
  --down: #f85149;
  --warn: #d29922;
  font-size: 16px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 2rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: .9rem; }

.logo {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #2b6fd0);
  font-weight: 700;
  font-size: 1.4rem;
  color: #fff;
}

h1 { font-size: 1.35rem; font-weight: 600; letter-spacing: .3px; }
.sub { color: var(--muted); font-size: .85rem; }

.meta { display: flex; align-items: center; gap: 1rem; }
.clock { color: var(--muted); font-variant-numeric: tabular-nums; font-size: .9rem; }

.btn {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .45rem .9rem;
  cursor: pointer;
  font-size: .9rem;
  transition: background .15s;
}
.btn:hover { background: var(--card-hover); }

main { flex: 1; padding: 2rem; max-width: 1200px; width: 100%; margin: 0 auto; }

.status-bar {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: .88rem;
}
.status-bar .chip {
  display: inline-flex; align-items: center; gap: .45rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .3rem .8rem;
}
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.ok { background: var(--ok); box-shadow: 0 0 6px rgba(63,185,80,.6); }
.dot.down { background: var(--down); box-shadow: 0 0 6px rgba(248,81,73,.6); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  text-decoration: none;
  color: inherit;
  transition: transform .12s, border-color .12s, background .12s;
  position: relative;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); background: var(--card-hover); }
.card.offline { opacity: .55; }
.card.offline:hover { border-color: var(--down); }

.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: .5rem; }

.card h2 { font-size: 1.15rem; font-weight: 600; }
.card .desc { color: var(--muted); font-size: .88rem; line-height: 1.45; flex: 1; }

.tag {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--accent);
  background: rgba(74,158,255,.12);
  border: 1px solid rgba(74,158,255,.3);
  padding: .15rem .55rem;
  border-radius: 6px;
  white-space: nowrap;
}

.card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .82rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: .7rem;
}

.state { display: inline-flex; align-items: center; gap: .4rem; }
.state.ok { color: var(--ok); }
.state.down { color: var(--down); }

.open-arrow { color: var(--accent); font-size: 1rem; }

.placeholder { margin-top: 1.5rem; }
.soon {
  border: 1.5px dashed var(--border);
  border-radius: 14px;
  padding: 1.6rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  min-height: 100px;
}
.soon .plus { font-size: 1.8rem; color: var(--border); }
.soon small { color: var(--muted); opacity: .8; }
.soon code { color: var(--text); background: var(--bg2); padding: .1rem .35rem; border-radius: 4px; font-size: .8rem; }

.error-banner {
  grid-column: 1 / -1;
  background: rgba(248,81,73,.1);
  border: 1px solid var(--down);
  color: var(--down);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  font-size: .9rem;
}

footer {
  padding: 1rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .8rem;
  text-align: center;
}

.toast {
  position: fixed;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .7rem 1.2rem;
  font-size: .9rem;
  transition: transform .25s;
  pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); }

@media (max-width: 600px) {
  header, main { padding-left: 1rem; padding-right: 1rem; }
}