:root {
  --bg:          #12121f;
  --header-bg:   #1a1a2e;
  --card:        #1e1e33;
  --border:      #2c2c47;
  --text:        #e0e0e0;
  --text-dim:    #888888;
  --blue:        #4a90e2;
  --purple:      #7b5ea7;
  --green:       #3ddc97;
  --red:         #e25c5c;
  --sans:        'Inter', system-ui, -apple-system, sans-serif;
  --mono:        'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

.ef-header {
  background: var(--header-bg);
  padding: 32px 20px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.ef-header h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ef-sub {
  margin: 4px 0 0;
  color: var(--text-dim);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ef-main {
  max-width: 560px;
  margin: 40px auto;
  padding: 0 20px;
}

.status-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}

.status-card h2 {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.status-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-ok   { background: var(--green); }
.dot-fail { background: var(--red); }

code {
  background: rgba(255,255,255,0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 13px;
}

.err-detail {
  margin: 16px 0 0;
  padding: 12px;
  background: rgba(226,92,92,0.1);
  border: 1px solid rgba(226,92,92,0.3);
  border-radius: 6px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 12px;
  word-break: break-word;
}

.ef-note {
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 24px;
}

@media (max-width: 480px) {
  .ef-header h1 { font-size: 22px; }
  .ef-main { margin: 24px auto; }
}