:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --card: #1a1d24;
  --border: #2a2e37;
  --text: #e6e8eb;
  --muted: #9aa1ac;
  --accent: #4f8cff;
  --danger: #e5534b;
}

* { box-sizing: border-box; }

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

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

.brand { font-weight: 600; }

nav a, nav span {
  margin-left: 16px;
  color: var(--text);
  text-decoration: none;
}

nav a:hover { color: var(--accent); }

.email { color: var(--muted); }

.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  margin-top: 8px;
}

.button-danger { background: var(--danger); margin-left: 8px; }

.status-ok { color: #48c774; }

.muted { color: var(--muted); font-size: 13px; }

.flash {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.flash-ok { background: rgba(72, 199, 116, 0.15); border: 1px solid #48c774; }
.flash-error { background: rgba(229, 83, 75, 0.15); border: 1px solid var(--danger); }