/**
 * AI 海报设计 - 页面特有样式
 * 基于 common.css 的扩展
 */

/* ========== 页面头部 ========== */
.page-header {
    text-align: center;
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.page-header h1 i {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ========== 上传区域 ========== */
.upload-section {
    margin-bottom: 0;
}

.upload-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 500;
}

.upload-label i {
    margin-right: 6px;
    color: var(--accent-primary);
}

.upload-count {
    color: var(--text-tertiary);
    font-size: 13px;
    font-weight: normal;
}

.text-required {
    color: var(--danger-color);
    font-weight: normal;
}

.text-muted {
    color: var(--text-tertiary);
    font-weight: normal;
}

/* ========== 图片编号引用 ========== */
.number-reference {
    background-color: var(--bg-tertiary);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
}

.number-reference-title {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.number-reference-title i {
    color: var(--warning-color);
}

.number-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.number-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    font-size: 13px;
    color: var(--text-primary);
}

.number-tag code {
    background-color: var(--accent-primary);
    color: #000;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

[data-theme="light"] .number-tag code {
    color: #fff;
}

/* ========== 图片预览修复 ========== */
.image-preview {
    position: relative;
    width: 100px;
    height: 100px;
    flex-shrink: 0;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.image-preview .image-number {
    position: absolute;
    top: 4px;
    left: 4px;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    z-index: 1;
}

.image-preview .image-preview-delete {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--danger-color);
    border: 2px solid var(--bg-primary);
    color: #fff;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s;
    z-index: 2;
}

.image-preview .image-preview-delete:hover {
    transform: scale(1.1);
}

/* ========== 提示列表 ========== */
.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.tips-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.tips-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.tips-list li strong {
    color: var(--accent-primary);
}

/* ========== 代码高亮 ========== */
code {
    background-color: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--accent-primary);
}

/* ========== 结果图片 ========== */
.result-image {
    max-width: 100%;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s;
}

.result-image:hover {
    transform: scale(1.02);
}

.result-item {
    position: relative;
    margin-bottom: 16px;
}

.result-item .result-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.result-item .result-actions button {
    padding: 8px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.result-item .result-actions button:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* ========== 响应式调整 ========== */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 22px;
    }

    .upload-zone {
        padding: 24px 16px;
    }

    .image-preview-container {
        gap: 8px;
    }

    .image-preview-item {
        width: 80px;
        height: 80px;
    }
}