/* ── Reset & base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-up:       #22c55e;
  --color-degraded: #f59e0b;
  --color-down:     #ef4444;
  --color-na:       #6b7280;
  --color-bg:       #0f172a;
  --color-surface:  #1e293b;
  --color-surface2: #0f172a;
  --color-border:   #334155;
  --color-text:     #f1f5f9;
  --color-muted:    #94a3b8;
  --color-link:     #60a5fa;
  --radius:         8px;
  --shadow:         0 1px 3px rgba(0,0,0,.4);
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg:      #f8fafc;
    --color-surface: #ffffff;
    --color-surface2:#f1f5f9;
    --color-border:  #e2e8f0;
    --color-text:    #0f172a;
    --color-muted:   #64748b;
    --color-link:    #2563eb;
  }
}

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

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

/* ── Header ──────────────────────────────────────────────────────────────── */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 24px 16px;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 1400px;
  margin: 0 auto;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.last-updated {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 4px;
}

.overall-badge {
  padding: 8px 18px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
  align-self: center;
}

.overall-up      { background: var(--color-up);       color: #fff; }
.overall-degraded{ background: var(--color-degraded);  color: #fff; }
.overall-down    { background: var(--color-down);      color: #fff; }

.status-summary {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.summary-item {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
}

.summary-up       { background: rgba(34,197,94,.15);  color: var(--color-up); }
.summary-degraded { background: rgba(245,158,11,.15); color: var(--color-degraded); }
.summary-down     { background: rgba(239,68,68,.15);  color: var(--color-down); }
.summary-total    { color: var(--color-muted); background: transparent; }

/* ── Main layout ─────────────────────────────────────────────────────────── */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

/* ── Card grid ───────────────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 16px;
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* ── Target card ─────────────────────────────────────────────────────────── */
.target-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  border-left: 4px solid var(--color-na);
  box-shadow: var(--shadow);
  transition: transform .15s ease, box-shadow .15s ease;
}

.target-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
}

.card-up       { border-left-color: var(--color-up); }
.card-degraded { border-left-color: var(--color-degraded); }
.card-down     { border-left-color: var(--color-down); }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.card-title a {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}

.card-url {
  font-size: 0.72rem;
  color: var(--color-muted);
  margin-top: 2px;
  word-break: break-all;
}

.card-tags {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag {
  font-size: 0.68rem;
  padding: 2px 7px;
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: 99px;
  color: var(--color-muted);
}

.card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.card-meta strong { color: var(--color-text); }

.ssl-expiry {
  font-size: 0.7rem;
  color: var(--color-muted);
  margin-left: 4px;
}

.card-error {
  font-size: 0.75rem;
  color: var(--color-down);
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.25);
  border-radius: 4px;
  padding: 6px 10px;
  margin-bottom: 10px;
  word-break: break-word;
}

/* ── Badges ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge-up       { background: var(--color-up);       color: #fff; }
.badge-degraded { background: var(--color-degraded);  color: #fff; }
.badge-down     { background: var(--color-down);      color: #fff; }
.badge-unknown  { background: var(--color-na);        color: #fff; }

/* ── Check rows ──────────────────────────────────────────────────────────── */
.checks {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 8px;
  margin-bottom: 10px;
}

.check-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 0.78rem;
  padding: 2px 0;
}

.check-label {
  color: var(--color-muted);
  min-width: 80px;
}

.check-detail {
  color: var(--color-text);
  font-size: 0.75rem;
  opacity: 0.85;
  word-break: break-word;
}

.chk-pass { color: var(--color-up);       font-weight: 700; }
.chk-warn { color: var(--color-degraded); font-weight: 700; }
.chk-fail { color: var(--color-down);     font-weight: 700; }
.chk-na   { color: var(--color-na);       font-weight: 400; }

/* ── Sparkline chart ─────────────────────────────────────────────────────── */
.chart-container {
  position: relative;
  height: 60px;
  margin-top: 8px;
}

/* ── Uptime section ──────────────────────────────────────────────────────── */
.uptime-section { margin-top: 40px; }

.uptime-legend {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.uptime-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.uptime-table {
  border-collapse: collapse;
  font-size: 0.75rem;
  min-width: 100%;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.uptime-table thead tr {
  background: var(--color-surface2);
  color: var(--color-muted);
  text-align: center;
}

.uptime-table th,
.uptime-table td {
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  white-space: nowrap;
}

.uptime-table td:first-child {
  text-align: left;
  font-weight: 500;
  min-width: 160px;
  padding-left: 12px;
}

.uptime-table td { text-align: center; }

.uptime-ok      { color: var(--color-up);       }
.uptime-warn    { color: var(--color-degraded); }
.uptime-down    { color: var(--color-down);     }
.uptime-nodata  { color: var(--color-na);       }
.uptime-avg     { font-weight: 700; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 20px;
  font-size: 0.78rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}