:root {
  color-scheme: light dark;
  --bg: #0b0d12;
  --card: #151821;
  --border: #262b38;
  --text: #e6e8ee;
  --muted: #8a90a2;
  --ok: #2fd66b;
  --bad: #ff4d5e;
  --warn: #ffb020;
  --accent: #5b8def;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 18px; margin: 0; }
header nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 14px; }
header nav a.active { color: var(--text); font-weight: 600; }

main { padding: 24px; max-width: 1100px; margin: 0 auto; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.card-header .name { font-weight: 600; font-size: 15px; }

.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.ok { background: var(--ok); }
.dot.bad { background: var(--bad); }
.dot.unknown { background: var(--muted); }

.uptime-pct { font-size: 13px; color: var(--muted); }
.uptime-pct.ok { color: var(--ok); }
.uptime-pct.warn { color: var(--warn); }
.uptime-pct.bad { color: var(--bad); }

.sparkline { display: flex; gap: 2px; margin-top: 10px; height: 24px; align-items: flex-end; }
.sparkline .bar { width: 4px; border-radius: 1px; flex-shrink: 0; }
.sparkline .bar.ok { background: var(--ok); height: 100%; }
.sparkline .bar.bad { background: var(--bad); height: 100%; }

.meta { color: var(--muted); font-size: 12px; margin-top: 8px; }

.signin-box {
  text-align: center;
  padding: 80px 20px;
}
.signin-box a.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 16px;
}

.or-divider { color: var(--muted); margin: 20px 0 12px; }

.admin-login-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 280px;
  margin: 0 auto;
}
.admin-login-form input {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
}
.admin-login-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 600;
  cursor: pointer;
}
.admin-login-form .form-error {
  color: var(--bad);
  font-size: 13px;
  margin: 0;
}

select, button {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
}
button { cursor: pointer; }
button:hover { border-color: var(--accent); }

.controls { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; }

table.logs { width: 100%; border-collapse: collapse; font-family: ui-monospace, SFMono-Regular, monospace; font-size: 12.5px; }
table.logs td, table.logs th { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
table.logs th { color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; }
table.logs td.msg { white-space: pre-wrap; word-break: break-word; }
tr.sev-error td.msg { color: var(--bad); }
tr.sev-warn td.msg, tr.sev-warning td.msg { color: var(--warn); }
td.sev { text-transform: uppercase; font-size: 11px; color: var(--muted); }
td.ts { color: var(--muted); white-space: nowrap; }

.empty { color: var(--muted); padding: 40px; text-align: center; }
.error-banner { background: #3a1620; color: var(--bad); border: 1px solid var(--bad); border-radius: 8px; padding: 12px; margin-bottom: 16px; }