* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", Segoe UI, sans-serif;
  color: #222;
  background: #f5f6f8;
  line-height: 1.6;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

header {
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  padding: 16px 0 0;
}
header .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
header h1 { font-size: 18px; margin: 0; flex: 1 0 auto; }
header nav { display: flex; gap: 12px; }
header nav a {
  color: #555;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
}
header nav a.active { background: #2563eb; color: #fff; }
header nav a:hover:not(.active) { background: #eef2ff; }
header .actions { display: flex; gap: 8px; margin-left: auto; padding-bottom: 8px; }

button {
  font: inherit;
  padding: 6px 14px;
  border: 1px solid #d1d5db;
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
}
button:hover { background: #f3f4f6; }
button.primary { background: #2563eb; color: #fff; border-color: #2563eb; }
button.primary:hover { background: #1d4ed8; }
button.danger { color: #b91c1c; border-color: #fecaca; }
button.danger:hover { background: #fef2f2; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

main { padding: 24px 20px 60px; }

/* ---- select step ---- */
.channel-group {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
}
.channel-group > header {
  padding: 12px 16px;
  background: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  gap: 10px;
}
.channel-group > header .chan-name { font-weight: 600; }
.channel-group ul { list-style: none; margin: 0; padding: 8px 16px; }
.channel-group li { padding: 6px 0; }
.channel-group label { cursor: pointer; }

/* ---- fill step ---- */
.form-section {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  margin-bottom: 16px;
  padding: 16px 20px;
}
.form-section h2 {
  margin: 0 0 12px;
  font-size: 16px;
  color: #111;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
}
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
  color: #374151;
}
.field .label-en { color: #9ca3af; font-size: 12px; margin-left: 6px; }
.field .req { color: #dc2626; margin-left: 2px; }
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font: inherit;
  background: #fff;
}
.field textarea { min-height: 72px; resize: vertical; }
.field .hint { color: #6b7280; font-size: 12px; margin-top: 4px; }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.toolbar .count { color: #6b7280; font-size: 13px; }

/* ---- generate step ---- */
.generate-list { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 8px 20px; }
.generate-list li { padding: 6px 0; border-bottom: 1px dashed #f0f0f0; }
.generate-list li:last-child { border-bottom: 0; }
.gen-status-ok { color: #16a34a; }
.gen-status-err { color: #dc2626; }

.empty {
  text-align: center;
  padding: 40px;
  color: #9ca3af;
  background: #fff;
  border: 1px dashed #d1d5db;
  border-radius: 8px;
}

footer { color: #9ca3af; font-size: 12px; text-align: center; padding: 20px 0 40px; }