/* AI内容生成平台 - 公共样式 */
:root {
  --primary-color: #667eea;
  --primary-dark: #5a67d8;
  --secondary-color: #764ba2;
  --success-color: #48bb78;
  --danger-color: #f56565;
  --warning-color: #ed8936;
  --info-color: #38b2ac;
  --dark-color: #2d3748;
  --gray-color: #718096;
  --light-gray: #e2e8f0;
  --white: #ffffff;
  --bg-color: #f7fafc;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-color);
  color: var(--dark-color);
  line-height: 1.6;
}

/* 通用按钮样式 */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background-color: var(--light-gray);
  color: var(--dark-color);
}

.btn-secondary:hover {
  background-color: #cbd5e0;
}

.btn-danger {
  background-color: var(--danger-color);
  color: var(--white);
}

.btn-danger:hover {
  background-color: #e53e3e;
}

.btn-success {
  background-color: var(--success-color);
  color: var(--white);
}

.btn-success:hover {
  background-color: #38a169;
}

.btn-block {
  width: 100%;
  display: block;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 表单样式 */
.form-group {
  margin-bottom: 15px;
}

.form-label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: var(--dark-color);
}

.form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--light-gray);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

textarea.form-input {
  min-height: 100px;
  resize: vertical;
}

select.form-input {
  cursor: pointer;
}

/* 卡片样式 */
.card {
  background: var(--white);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.card-header {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--dark-color);
}

/* 提示消息 */
.message {
  padding: 12px 20px;
  border-radius: 8px;
  margin-bottom: 15px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-success {
  background-color: #c6f6d5;
  color: #22543d;
  border-left: 4px solid var(--success-color);
}

.message-error {
  background-color: #fed7d7;
  color: #742a2a;
  border-left: 4px solid var(--danger-color);
}

.message-warning {
  background-color: #fefcbf;
  color: #744210;
  border-left: 4px solid var(--warning-color);
}

/* 加载状态 */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--gray-color);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--light-gray);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 15px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 模态框 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--white);
  border-radius: 12px;
  padding: 25px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--gray-color);
}

.modal-close:hover {
  color: var(--dark-color);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

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

.table th,
.table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--light-gray);
}

.table th {
  background-color: #f8fafc;
  font-weight: 600;
  color: var(--dark-color);
}

.table tr:hover {
  background-color: #f7fafc;
}

/* 标签样式 */
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.tag-success {
  background-color: #c6f6d5;
  color: #22543d;
}

.tag-danger {
  background-color: #fed7d7;
  color: #742a2a;
}

.tag-warning {
  background-color: #fefcbf;
  color: #744210;
}

.tag-info {
  background-color: #bee3f8;
  color: #2c5282;
}

/* 响应式 */
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .table {
    font-size: 12px;
  }
  
  .table th,
  .table td {
    padding: 8px;
  }
}

/* 工具类 */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-success {
  color: var(--success-color);
}

.text-danger {
  color: var(--danger-color);
}

.text-muted {
  color: var(--gray-color);
}

.mt-1 { margin-top: 5px; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 20px; }
.mb-1 { margin-bottom: 5px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 15px; }
.mb-4 { margin-bottom: 20px; }

.flex {
  display: flex;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gap-1 { gap: 5px; }
.gap-2 { gap: 10px; }
.gap-3 { gap: 15px; }