/* ============================================
   Admin - 管理后台样式
   ============================================ */

#view-admin {
  display: none;
  min-height: 100vh;
  padding-bottom: 50px;
  background: #0d0d1a;
  color: #e0e0e0;
  padding: 0;
}

.admin-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  border-bottom: 1px solid #2a2a4a;
  padding-bottom: 16px;
}

.admin-header h2 {
  font-size: 22px;
  color: #ffd700;
  margin: 0;
}

.admin-header .btn-back {
  background: none;
  border: 1px solid #555;
  color: #aaa;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

.admin-header .btn-back:hover {
  border-color: #ffd700;
  color: #ffd700;
}

/* 统计卡片 */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: linear-gradient(135deg, #1a1a3e, #151530);
  border: 1px solid #2a2a4a;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 32px;
  font-weight: 700;
  color: #ffd700;
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 13px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* 管理模块 */
.admin-section {
  background: #12122a;
  border: 1px solid #2a2a4a;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.admin-section h3 {
  font-size: 16px;
  color: #c8a8ff;
  margin: 0 0 16px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid #222244;
}

/* 兑换码生成 */
.redeem-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.redeem-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.redeem-form label {
  font-size: 12px;
  color: #999;
}

.redeem-form input {
  background: #0d0d1a;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 8px 12px;
  color: #e0e0e0;
  font-size: 14px;
  width: 100px;
}

.redeem-form input:focus {
  border-color: #ffd700;
  outline: none;
}

.redeem-form .btn-primary {
  padding: 8px 20px;
  white-space: nowrap;
}

/* 兑换码结果 */
.redeem-codes-result {
  margin-top: 14px;
  background: #0a0a1a;
  border: 1px solid #2a2a4a;
  border-radius: 8px;
  padding: 14px;
  max-height: 200px;
  overflow-y: auto;
}

.redeem-codes-result .code-item {
  display: inline-block;
  background: #1a1a3e;
  border: 1px solid #3a3a5a;
  border-radius: 4px;
  padding: 4px 10px;
  margin: 3px;
  font-family: monospace;
  font-size: 14px;
  color: #ffd700;
  cursor: pointer;
  transition: all 0.15s;
}

.redeem-codes-result .code-item:hover {
  background: #2a2a5e;
  border-color: #ffd700;
}

.redeem-codes-result .code-item.copied {
  background: #1a3a1a;
  border-color: #4caf50;
  color: #4caf50;
}

/* 用户表格 */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  text-align: left;
  padding: 10px 12px;
  background: #0d0d1a;
  color: #999;
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid #2a2a4a;
}

.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #1a1a3a;
  color: #ccc;
}

.admin-table tr:hover td {
  background: #151530;
}

.admin-table .role-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

.admin-table .role-badge.admin {
  background: rgba(255, 215, 0, 0.15);
  color: #ffd700;
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.admin-table .role-badge.user {
  background: rgba(100, 100, 200, 0.15);
  color: #8888cc;
  border: 1px solid rgba(100, 100, 200, 0.2);
}

/* 知识库管理 */
.knowledge-status {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.knowledge-status .ks-item {
  background: #0d0d1a;
  border: 1px solid #2a2a4a;
  border-radius: 8px;
  padding: 12px 18px;
  text-align: center;
}

.knowledge-status .ks-value {
  font-size: 24px;
  font-weight: 700;
  color: #ffd700;
}

.knowledge-status .ks-label {
  font-size: 12px;
  color: #888;
}

.btn-danger {
  background: linear-gradient(135deg, #8b0000, #a02020);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 20px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #a01010, #c03030);
}

.btn-secondary {
  background: linear-gradient(135deg, #333, #444);
  color: #ddd;
  border: none;
  border-radius: 6px;
  padding: 8px 20px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #444, #555);
}

/* 分页 */
.admin-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.admin-pagination button {
  background: #1a1a3e;
  border: 1px solid #2a2a4a;
  color: #aaa;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

.admin-pagination button:hover {
  border-color: #ffd700;
  color: #ffd700;
}

.admin-pagination button.active {
  background: #ffd700;
  color: #000;
  border-color: #ffd700;
  font-weight: 600;
}

.admin-pagination button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Toast for admin */
.admin-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 9999;
  animation: slideIn 0.3s ease;
  max-width: 400px;
}

.admin-toast.success {
  background: #1a3a1a;
  border: 1px solid #4caf50;
  color: #4caf50;
}

.admin-toast.error {
  background: #3a1a1a;
  border: 1px solid #f44336;
  color: #f44336;
}

.admin-toast.info {
  background: #1a1a3e;
  border: 1px solid #6488cc;
  color: #6488cc;
}

@keyframes slideIn {
  from { transform: translateX(100px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* 操作按钮 */
.action-cell {
  white-space: nowrap;
}

.btn-action {
  background: none;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s;
  margin-right: 4px;
}

.btn-action:hover {
  border-color: #ffd700;
  background: rgba(255, 215, 0, 0.08);
}

.btn-action.btn-delete-user:hover {
  border-color: #f44336;
  background: rgba(244, 67, 54, 0.08);
}

/* 弹窗 */
.admin-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: #1a1a3e;
  border: 1px solid #3a3a5a;
  border-radius: 14px;
  padding: 28px 32px;
  max-width: 440px;
  width: 90%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: #e0e0e0;
  margin-bottom: 12px;
}

.modal-message {
  font-size: 14px;
  color: #aaa;
  line-height: 1.6;
  margin-bottom: 24px;
}

.modal-body {
  font-size: 14px;
  color: #ccc;
  line-height: 1.8;
  margin-bottom: 24px;
}

.modal-body .temp-password {
  display: inline-block;
  background: #0d0d1a;
  border: 1px solid #ffd700;
  border-radius: 6px;
  padding: 6px 14px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 18px;
  color: #ffd700;
  letter-spacing: 2px;
  margin: 8px 0;
  user-select: all;
}

.modal-body small {
  color: #888;
  font-size: 12px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.modal-actions button {
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}