:root {
  --bg: #f6f7f9;
  --panel: #fff;
  --border: #e4e7eb;
  --text: #1a1d21;
  --muted: #6b7280;
  --brand: #3b82f6;
  --brand-dark: #2563eb;
  --danger: #dc2626;
  --ok: #16a34a;
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
}
.top {
  display: flex; align-items: center; gap: 32px;
  padding: 12px 24px; background: #fff; border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 18px; text-decoration: none; color: var(--text); }
.top nav a { margin-right: 20px; color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--brand); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 24px; }

h1 { margin: 0 0 20px; }
h2 { margin-top: 40px; }
h3 { margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
code { background: #eef1f4; padding: 1px 6px; border-radius: 3px; font-size: 12px; }

.cards { display: flex; gap: 16px; flex-wrap: wrap; margin: 20px 0; }
.card {
  flex: 1 1 160px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 18px 20px;
}
.card .k { font-size: 28px; font-weight: 700; }
.card .l { color: var(--muted); font-size: 13px; }

table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { background: #f9fafb; font-weight: 600; }
tr:last-child td { border-bottom: 0; }

.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 20px; margin: 20px 0;
}

form input[type=text], form input[type=email], form input[type=number], form input[type=file], form textarea, form select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font: inherit;
}
form input[type=text], form input[type=email], form input[type=number], form textarea { width: 100%; }
form textarea { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; }
label { display: block; margin-bottom: 14px; font-weight: 500; }
label input, label textarea { margin-top: 4px; font-weight: 400; }
.row { display: flex; gap: 16px; }
.row > label { flex: 1; }

button, .actions a {
  padding: 8px 16px; background: #fff; border: 1px solid var(--border);
  border-radius: 6px; cursor: pointer; font: inherit; text-decoration: none; color: var(--text);
}
button:hover { border-color: var(--brand); color: var(--brand); }
button.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
button.primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
button.danger { background: transparent; color: var(--danger); border-color: transparent; }
button.danger:hover { background: #fee; border-color: var(--danger); }

.actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.actions form { margin: 0; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-draft { background: #eef1f4; color: #4b5563; }
.badge-running { background: #dcfce7; color: #166534; }
.badge-paused { background: #fef3c7; color: #92400e; }
.badge-done { background: #dbeafe; color: #1e40af; }

.search { margin: 16px 0; display: flex; gap: 8px; }
.search input { flex: 1; max-width: 320px; }

.campaign-form .actions { margin-top: 20px; }