:root {
  --bg: #0f1419;
  --card: #1a2027;
  --border: #2a3540;
  --text: #e6edf3;
  --muted: #7d8590;
  --accent: #2f81f7;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar .host { color: var(--muted); font-weight: normal; font-size: 13px; margin-left: 8px; }
.topbar .user { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.topbar .user a { color: var(--accent); text-decoration: none; }

main { max-width: 1200px; margin: 0 auto; padding: 20px; }
main.center { text-align: center; padding-top: 80px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}
.card h2 { margin: 0 0 16px 0; font-size: 16px; }
.card h3 { margin: 20px 0 10px 0; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }

.muted { color: var(--muted); font-size: 12px; font-weight: normal; }

.btn {
  display: inline-block;
  padding: 6px 14px;
  background: #21262d;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  font-size: 13px;
}
.btn:hover { background: #2d333b; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn-primary:hover { background: #1f6feb; }
.btn-danger { color: var(--err); border-color: transparent; background: transparent; padding: 2px 8px; }
.btn-danger:hover { background: rgba(248,81,73,0.15); }

.grid { display: grid; gap: 12px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 700px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }

.metric {
  background: #0f1419;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px;
}
.metric .label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.metric .value { font-size: 24px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.metric .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: normal; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

.s-active { color: var(--ok); }
.s-inactive { color: var(--muted); }
.s-failed { color: var(--err); }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  transition: all 0.15s;
  margin-bottom: 12px;
}
.dropzone.drag { border-color: var(--accent); background: rgba(47,129,247,0.08); }
.dropzone p { margin: 4px 0; }

#upload-status { margin-bottom: 12px; min-height: 1.2em; font-size: 13px; }
#upload-status.ok { color: var(--ok); }
#upload-status.err { color: var(--err); }

.logs-controls { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.logs-controls label { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.logs-controls select, .logs-controls input[type=number] {
  background: #0f1419;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 13px;
}

.logs {
  background: #0a0e13;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font-family: "SF Mono", Consolas, Monaco, monospace;
  font-size: 12px;
  max-height: 500px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}