/* 加载动画 */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f4f6;
  border-top: 4px solid #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 小型加载动画 */
.loading-spinner-sm {
  width: 20px;
  height: 20px;
  border: 2px solid #f3f4f6;
  border-top: 2px solid #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* 表格加载效果 */
.skeleton-loader {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 通话状态指示器 */
.call-status {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.call-status.active::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  background-color: #22c55e;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 2s infinite;
}

.call-status.pending::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  background-color: #f59e0b;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 2s infinite;
}

.call-status.ended::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  background-color: #ef4444;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

@keyframes pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 0.8;
  }
}

/* 状态徽章 */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.status-badge.active {
  background-color: #d1fae5;
  color: #065f46;
}

.status-badge.pending {
  background-color: #fef3c7;
  color: #92400e;
}

.status-badge.ended {
  background-color: #fee2e2;
  color: #991b1b;
}

.status-badge.paused {
  background-color: #e5e7eb;
  color: #374151;
}

/* 卡片悬停效果 */
.card-hover {
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: #3b82f6;
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: #2563eb;
}

.btn-secondary {
  background-color: #6b7280;
  color: white;
}

.btn-secondary:hover:not(:disabled) {
  background-color: #4b5563;
}

.btn-success {
  background-color: #10b981;
  color: white;
}

.btn-success:hover:not(:disabled) {
  background-color: #059669;
}

.btn-warning {
  background-color: #f59e0b;
  color: white;
}

.btn-warning:hover:not(:disabled) {
  background-color: #d97706;
}

.btn-danger {
  background-color: #ef4444;
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
}

.btn-outline {
  border: 1px solid #d1d5db;
  background-color: transparent;
  color: #374151;
}

.btn-outline:hover:not(:disabled) {
  background-color: #f9fafb;
  border-color: #9ca3af;
}

/* 表单样式 */
.form-input {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
  transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.form-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input.error {
  border-color: #ef4444;
}

.form-input.error:focus {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.25rem;
}

.form-error {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: #ef4444;
}

.form-help {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: #6b7280;
}

/* 模态框样式 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-content {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
}

/* 通知样式 */
.notification {
  position: fixed;
  top: 1rem;
  right: 1rem;
  max-width: 320px;
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-left: 4px solid #3b82f6;
  padding: 1rem;
  z-index: 40;
  animation: slideIn 0.3s ease-out;
}

.notification.success {
  border-left-color: #10b981;
}

.notification.warning {
  border-left-color: #f59e0b;
}

.notification.error {
  border-left-color: #ef4444;
}

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

/* 进度条 */
.progress-bar {
  width: 100%;
  height: 0.5rem;
  background-color: #e5e7eb;
  border-radius: 9999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background-color: #3b82f6;
  transition: width 0.3s ease-in-out;
}

/* 数据表格样式 */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.data-table th {
  background-color: #f9fafb;
  font-weight: 500;
  color: #374151;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.data-table tr:hover {
  background-color: #f9fafb;
}

.data-table .sortable {
  cursor: pointer;
  user-select: none;
}

.data-table .sortable:hover {
  background-color: #f3f4f6;
}

/* 响应式设计 */
@media (max-width: 640px) {
  .card-hover {
    transform: none;
  }
  
  .card-hover:hover {
    transform: none;
    box-shadow: none;
  }
  
  .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }
  
  .modal-content {
    margin: 1rem;
    max-width: calc(100vw - 2rem);
  }
}

/* 打印样式 */
@media print {
  .btn,
  .loading-spinner,
  .modal-overlay {
    display: none !important;
  }
  
  .card-hover {
    box-shadow: none !important;
  }
}