body {
  background: #f5f6fa;
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.admin-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 60px;
}

.admin-header {
  text-align: center;
  padding: 32px 0 24px;
}

.admin-header h1 {
  font-size: 1.5rem;
  color: #333;
}

.admin-header p {
  font-size: 0.85rem;
  color: #888;
  margin-top: 6px;
}

.admin-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.admin-card h3 {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.code-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.9rem;
}

.code-row:last-child {
  border-bottom: none;
}

.code-str {
  font-family: monospace;
  font-size: 1rem;
  font-weight: bold;
  color: #333;
  letter-spacing: 2px;
}

.code-type {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 10px;
}

.code-type-vip {
  background: #dbeafe;
  color: #2563eb;
}

.code-type-svip {
  background: #ede9fe;
  color: #7c3aed;
}

.code-status {
  font-size: 0.78rem;
  color: #aaa;
  flex: 1;
  text-align: right;
}

.gen-form {
  display: flex;
  gap: 10px;
  align-items: center;
}

.gen-form select {
  padding: 8px 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}

.gen-form select:focus {
  border-color: var(--color-primary, #3b82f6);
}

.result-box {
  margin-top: 12px;
  padding: 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  word-break: break-all;
}

.result-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.result-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.result-empty {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  color: #6b7280;
  text-align: center;
}

.btn-copy {
  padding: 4px 10px;
  font-size: 0.78rem;
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-copy:hover {
  background: #e5e7eb;
}

.btn-copy.copied {
  background: #d1fae5;
  border-color: #6ee7b7;
  color: #065f46;
}

.notice {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.88rem;
  color: #92400e;
  margin-bottom: 20px;
}

.admin-access-denied {
  margin-top: 20px;
}

.loading {
  text-align: center;
  padding: 24px;
  color: #aaa;
}

.admin-list-message {
  text-align: center;
  padding: 20px;
  color: #aaa;
}

.admin-list-error {
  color: #e11d48;
}

.back-link {
  display: inline-block;
  margin-bottom: 16px;
  color: #888;
  font-size: 0.85rem;
  text-decoration: none;
}

.back-link:hover {
  color: #333;
}