:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #8b93a3;
  --accent: #5b9dff;
  --sev-low: #3fae6f;
  --sev-med: #d6a83a;
  --sev-high: #e0663a;
  --sev-crit: #e0435a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 24px 20px 64px; }

header.top { display: flex; align-items: baseline; gap: 14px; margin-bottom: 20px; }
header.top h1 { font-size: 20px; margin: 0; letter-spacing: 0.3px; }
header.top .sub { color: var(--muted); font-size: 13px; }
header.top .oncall {
  margin-left: auto; font-size: 13px; color: var(--muted);
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 12px;
  display: flex; flex-direction: column; align-items: flex-end; gap: 2px; text-align: right;
}
header.top .oncall strong { color: var(--text); }
header.top .oncall-next { font-size: 12px; }

.cards { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 16px; min-width: 120px;
}
.card .n { font-size: 22px; font-weight: 600; }
.card .l { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.card.alert .n { color: var(--sev-high); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.filters a {
  padding: 4px 12px; border: 1px solid var(--border); border-radius: 999px;
  color: var(--muted); font-size: 13px;
}
.filters a.active { background: var(--panel-2); color: var(--text); border-color: var(--accent); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 500; }
tr:hover td { background: var(--panel); }

.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 500; border: 1px solid var(--border);
}
.lane-downtime { color: #ff9aa8; border-color: #5a2933; }
.lane-code_fix { color: #9ad0ff; border-color: #29455a; }
.lane-ops_perf { color: #f0d089; border-color: #5a4c29; }
.lane-unclassified { color: var(--muted); }

.state { font-size: 12px; color: var(--muted); }
.paged { color: var(--sev-crit); font-weight: 600; }

.sev { font-variant-numeric: tabular-nums; font-weight: 600; }
.sev-meter { display: inline-block; width: 44px; height: 6px; border-radius: 3px; background: var(--panel-2); vertical-align: middle; margin-left: 8px; overflow: hidden; }
.sev-meter > span { display: block; height: 100%; }

.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

.detail-grid { display: grid; grid-template-columns: 160px 1fr; gap: 6px 16px; margin: 16px 0 24px; }
.detail-grid dt { color: var(--muted); }
.detail-grid dd { margin: 0; }

details.event { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; margin-bottom: 8px; }
details.event summary { cursor: pointer; display: flex; gap: 12px; align-items: center; }
details.event pre { background: var(--bg); padding: 12px; border-radius: 6px; overflow-x: auto; font-size: 12px; }

.empty { color: var(--muted); padding: 40px; text-align: center; }
.back { display: inline-block; margin-bottom: 12px; }

.userbar { display: flex; justify-content: flex-end; align-items: center; gap: 12px; padding: 8px 20px; border-bottom: 1px solid var(--border); font-size: 13px; }
.userbar .signout button, button.signout { background: none; border: 0; color: var(--accent); cursor: pointer; font-size: 13px; padding: 0; }
.userbar form { display: inline; }

.login-wrap { max-width: 420px; margin-top: 12vh; text-align: center; }
.login-wrap h1 { font-size: 28px; letter-spacing: 0.3px; }
.google-btn button, button.google-btn {
  margin-top: 20px; background: var(--accent); color: #04122b; border: 0;
  border-radius: 10px; padding: 12px 22px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.google-btn { display: inline-block; }

header.top .nav { font-size: 13px; }
header.top .nav a { color: var(--accent); }

.flash { padding: 10px 20px; font-size: 14px; }
.flash-notice { background: #16351f; color: #b6f0c8; border-bottom: 1px solid #285a37; }
.flash-alert { background: #3a1a20; color: #ffb3bf; border-bottom: 1px solid #5a2933; }

.responder-form { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.responder-form input[type="text"], .responder-form input[type="tel"] {
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 8px 12px; font-size: 14px;
}
.responder-form input[type="submit"] {
  background: var(--accent); color: #04122b; border: 0; border-radius: 8px;
  padding: 8px 16px; font-weight: 600; cursor: pointer;
}
.btn-danger button, button.btn-danger {
  background: transparent; color: var(--sev-crit); border: 1px solid #5a2933;
  border-radius: 8px; padding: 4px 12px; font-size: 13px; cursor: pointer;
}
.btn-danger { display: inline; }