/* 加载横幅 */
.loading-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 24px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-banner span {
    color: var(--color-text-light);
}

/* 处理信息 */
.process-info {
    margin-top: 16px;
    padding: 16px;
    background: rgba(230, 126, 34, 0.05);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.8;
}

.process-info:not(.hidden) {
    display: block;
}

.file-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 进度区域 */
.progress-section {
    padding: 16px;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    margin-top: 16px;
}

.progress-section:not(.hidden) {
    display: block;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.progress-bar {
    height: 8px;
    background: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-status {
    font-size: 12px;
    color: var(--color-text-light);
    text-align: center;
}

/* 进度区域默认隐藏 */
.progress-section,
.process-info {
    display: none;
}

.progress-section:not(.hidden),
.process-info:not(.hidden) {
    display: block;
}

/* 上传区域 */
.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    text-align: center;
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(230, 126, 34, 0.05);
}

.upload-icon {
    color: var(--color-primary);
    margin-bottom: 16px;
}

.upload-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 13px;
    color: var(--color-text-light);
}

/* 文件信息 */
.file-info {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: 16px;
}

.file-info.hidden {
    display: none;
}

.file-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text);
    margin-bottom: 8px;
}

.file-header svg {
    color: var(--color-primary);
}

.file-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-meta span {
    font-size: 13px;
    color: var(--color-text-light);
}

/* 按钮样式 */
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: auto;
}

.btn-sm:hover {
    border-color: var(--color-error);
    color: var(--color-error);
}

/* 预览区域 */
.preview-section {
    margin-top: 24px;
}

.preview-section.hidden {
    display: none;
}

.preview-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.preview-container {
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/9;
}

/* 工作区布局 */
.create-workspace {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.workspace-left,
.workspace-right {
    background: var(--color-background);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

/* 风格选择器 */
.style-selector h3,
.param-panel h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.style-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.style-card {
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.style-card:hover {
    transform: translateY(-2px);
}

.style-card.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.2);
}

.style-thumbnail {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    position: relative;
}

.case-label {
    position: absolute;
    top: 6px;
    left: 6px;
    font-size: 10px;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.style-info {
    padding: 10px;
    background: var(--color-surface);
    text-align: center;
}

.style-info h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.style-info p {
    font-size: 10px;
    color: var(--color-text-light);
}

/* 参数面板 */
.param-panel {
    margin-top: 20px;
}

.param-group {
    margin-bottom: 16px;
}

.param-group label {
    display: block;
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 6px;
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--color-border);
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: none;
}

.slider-value {
    display: inline-block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--color-primary);
    font-weight: 600;
}

/* 操作面板 */
.action-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.btn-lg {
    padding: 14px 24px;
    font-size: 15px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

/* 功能卡片 */
.create-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 32px auto 0;
}

.feature-card {
    background: var(--color-background);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-top: 3px solid var(--color-primary);
}

.feature-card svg {
    color: var(--color-primary);
    margin-bottom: 12px;
}

.feature-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 12px;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* 响应式 */
@media (max-width: 992px) {
    .create-workspace {
        grid-template-columns: 1fr;
    }
    .create-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .style-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .style-thumbnail {
        height: 60px;
    }
    .action-panel {
        flex-direction: row;
    }
    .btn-lg {
        flex: 1;
        padding: 12px 16px;
        font-size: 13px;
    }
}