:root {
  --bg: #14171c;
  --surface: #1b1f26;
  --surface2: #232833;
  --border: #2c313c;
  --text: #e7e9ec;
  --text-muted: #8b93a1;
  --accent: #2a78d6;
  --ok: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --unknown: #8b93a1;
}

* { box-sizing: border-box; }

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

main { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 24px; border-bottom: 1px solid var(--border);
}
.brand { color: var(--text); font-weight: 600; text-decoration: none; font-size: 15px; letter-spacing: 0.02em; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.lan-link { color: var(--text-muted); text-decoration: none; font-size: 12px; opacity: 0.6; transition: opacity 0.15s; }
.lan-link:hover { opacity: 1; }
.logout { color: var(--text-muted); text-decoration: none; font-size: 13px; }

.login-box {
  max-width: 320px; margin: 80px auto; text-align: center;
}
.login-box form { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.login-box input, .login-box button {
  padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 14px;
}
.login-box button { background: var(--accent); border: none; cursor: pointer; font-weight: 500; }
.error { color: var(--critical); font-size: 13px; }

.strip { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.strip-item {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 8px; font-size: 12px;
}

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-ok { background: var(--ok); }
.dot-warning { background: var(--warning); }
.dot-critical { background: var(--critical); }
.dot-unknown { background: var(--unknown); }

.card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px;
}
.hostcard {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; text-decoration: none; color: var(--text); display: block;
  transition: border-color 0.15s;
}
.hostcard:hover { border-color: var(--accent); }
.hostcard-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.hostcard-name { font-weight: 500; font-size: 14px; }
.hostcard { overflow: hidden; }
.hostcard canvas { width: 100%; height: 36px; display: block; }
.hostcard-sub { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }

.back { color: var(--text-muted); text-decoration: none; font-size: 13px; }
h1 { font-size: 20px; font-weight: 500; margin: 8px 0 16px; }

.services { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.svc-chip { font-size: 11px; padding: 4px 9px; border-radius: 999px; background: var(--surface2); }
.svc-ok { border: 1px solid var(--ok); color: var(--ok); }
.svc-warning { border: 1px solid var(--warning); color: var(--warning); }
.svc-critical { border: 1px solid var(--critical); color: var(--critical); }
.svc-unknown { border: 1px solid var(--unknown); color: var(--unknown); }

.range-buttons { display: flex; align-items: center; gap: 6px; margin-bottom: 16px; }
.range-buttons .spacer { flex: 1; }
.range-btn {
  background: var(--surface); border: 1px solid var(--border); color: var(--text-muted);
  padding: 5px 12px; border-radius: 8px; font-size: 12px; cursor: pointer;
}
.range-btn.active { color: var(--text); border-color: var(--accent); }

.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(480px, 100%), 1fr)); gap: 18px; }
.metric-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; }
.metric-card-wide { grid-column: 1 / -1; }
.metric-title { font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }

.heatmap-wrap { margin-bottom: 24px; }
/* Month labels and the cell grid below scroll together as one unit -
 * clipped here rather than each row separately, so overflowing label
 * text (e.g. "Mar" doesn't fit its 11px column) can't bleed past this
 * box and widen the whole page on narrow screens. */
.heatmap-scroll { overflow-x: auto; }
.heatmap-months { display: flex; gap: 3px; margin-bottom: 4px; padding-left: 1px; width: max-content; }
.heatmap-month-label { width: 11px; font-size: 10px; color: var(--text-muted); flex-shrink: 0; }
.heatmap-grid { display: flex; gap: 3px; width: max-content; }
.heatmap-week { display: flex; flex-direction: column; gap: 3px; }
.heatmap-cell { width: 11px; height: 11px; border-radius: 2px; background: var(--surface2); }
.heatmap-empty { background: transparent; }
.heatmap-level-1 { background: #3a1414; }
.heatmap-level-2 { background: #5c1f1f; }
.heatmap-level-3 { background: #8a2a2a; }
.heatmap-level-4 { background: var(--critical); }
.heatmap-error { font-size: 12px; color: var(--text-muted); }

@media (max-width: 640px) {
  main { padding: 16px 14px 40px; }

  .topbar { padding: 12px 16px; flex-wrap: wrap; gap: 8px; }
  .topbar-right { gap: 16px; }
  .lan-link { font-size: 13px; opacity: 0.75; }
  .logout { font-size: 14px; }

  .login-box { margin: 48px auto; padding: 0 12px; }
  .login-box input, .login-box button { padding: 12px; font-size: 16px; } /* 16px avoids iOS auto-zoom-on-focus */

  .card-grid { grid-template-columns: 1fr; gap: 10px; }
  .hostcard { padding: 16px 18px; }
  .hostcard-name { font-size: 15px; }
  .hostcard-sub { font-size: 13px; }

  .strip-item { padding: 8px 14px; font-size: 13px; }

  .svc-chip { font-size: 12px; padding: 6px 11px; }

  .range-buttons { gap: 8px; }
  .range-btn { padding: 8px 14px; font-size: 13px; }

  .metric-grid { gap: 12px; }
  .metric-card { padding: 14px 14px; }

  .heatmap-cell { width: 10px; height: 10px; }
}