:root {
  color-scheme: light dark;
  --bg: #f7f7f8;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #666;
  --border: #e0e0e0;
  --accent: #2563eb;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #ca8a04;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15161a;
    --card: #1f2126;
    --text: #eaeaea;
    --muted: #999;
    --border: #33353a;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
nav a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
}
nav a:hover { background: var(--bg); }
nav a.active { background: var(--accent); color: white; }
nav .spacer { flex: 1; }
nav .user { font-size: 13px; color: var(--muted); }
nav button.logout {
  background: none; border: 1px solid var(--border); color: var(--muted);
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 13px;
}

.mode-banner {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}
.mode-banner.dryrun { background: #dbeafe; color: #1e3a8a; }
.mode-banner.live-cloud { background: #dcfce7; color: #14532d; }
.mode-banner.live-webjs { background: #fef3c7; color: #78350f; }

main { max-width: 1000px; margin: 0 auto; padding: 24px 20px 60px; }

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

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }

.stat-row { display: flex; gap: 16px; flex-wrap: wrap; }
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  min-width: 140px;
}
.stat .n { font-size: 26px; font-weight: 700; }
.stat .label { font-size: 12px; color: var(--muted); text-transform: uppercase; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.opted_in, .badge.sent, .badge.delivered, .badge.read, .badge.completed { background: #dcfce7; color: #14532d; }
.badge.pending, .badge.draft, .badge.queued { background: #f1f5f9; color: #475569; }
.badge.opted_out, .badge.failed { background: #fee2e2; color: #7f1d1d; }
.badge.sending { background: #fef3c7; color: #78350f; }

form.inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
input, select, textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
textarea { width: 100%; min-height: 90px; font-family: monospace; }

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
}
button:hover { opacity: 0.9; }
button.secondary { background: var(--border); color: var(--text); }
button.danger { background: var(--danger); }

.error { color: var(--danger); font-size: 13px; margin-top: 6px; }
.muted { color: var(--muted); font-size: 13px; }
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 320px; }
a.link { color: var(--accent); text-decoration: none; }