:root {
  --bg: #0f1115;
  --card: #181b22;
  --card-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #8b909b;
  --accent: #34d399;
  --accent-2: #60a5fa;
  --danger: #f87171;
  --warn: #fbbf24;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(15, 17, 21, 0.9);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 18px; margin: 0; font-weight: 600; }
.logo { color: var(--danger); font-size: 22px; }

.status { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.on { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.dot.off { background: #4b5563; }

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.banner {
  max-width: 980px;
  margin: 16px auto 0;
  padding: 12px 16px;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid var(--warn);
  border-radius: 10px;
  color: var(--warn);
  font-size: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-head h2 { font-size: 15px; margin: 0; font-weight: 600; letter-spacing: 0.2px; }
.muted { color: var(--muted); font-weight: 400; font-size: 13px; }

.device { text-align: right; display: flex; flex-direction: column; }

.controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.check { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); cursor: pointer; }
.check input { accent-color: var(--accent); }

.btn {
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.btn:hover:not(:disabled) { background: #2a2f3a; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: #052e22; border-color: transparent; }
.btn.primary:hover:not(:disabled) { background: #2bbd89; }
.btn.danger { background: var(--danger); color: #2b0a0a; border-color: transparent; }
.btn.small { padding: 7px 12px; font-size: 13px; }
.controls .btn:not(.primary):not(.danger) { margin-left: auto; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}
.metric { display: flex; flex-direction: column; gap: 8px; }
.metric .label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.big { font-size: 40px; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.big small { font-size: 15px; font-weight: 500; color: var(--muted); margin-left: 6px; }

.pill {
  align-self: flex-start;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--card-2);
  color: var(--muted);
}
.pill.good { background: rgba(52, 211, 153, 0.15); color: var(--accent); }
.pill.bad { background: rgba(248, 113, 113, 0.15); color: var(--danger); }

.acc { display: flex; gap: 16px; }
.acc > div { display: flex; flex-direction: column; }
.acc .axis { font-size: 11px; color: var(--muted); }
.acc span:last-child { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }

.chart {
  width: 100%;
  height: 220px;
  display: block;
  background: #10131a;
  border-radius: 10px;
}

.rec-status { display: flex; align-items: center; gap: 10px; }
.rec-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--danger); animation: pulse 1s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.timer { font-variant-numeric: tabular-nums; font-size: 18px; font-weight: 600; }

.counts { display: flex; gap: 20px; margin: 14px 0; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.counts b { color: var(--text); font-variant-numeric: tabular-nums; }

.downloads { display: flex; gap: 8px; flex-wrap: wrap; }

.log {
  max-height: 180px;
  overflow-y: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.log-line { color: var(--muted); }
.log-line.ok { color: var(--accent); }
.log-line.warn { color: var(--warn); }
.log-line.err { color: var(--danger); }

footer { text-align: center; padding: 20px; border-top: 1px solid var(--border); margin-top: 8px; }