/* 九宫格切图页面样式 */
.upload-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.upload-box {
    border: 2px dashed #cbd5e1;
    border-radius: 16px;
    padding: 3rem 2rem;
    background: #f8fafc;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
}

.upload-box:hover,
.upload-box.dragover {
    border-color: var(--primary);
    background: #eff6ff;
}

.upload-box .icon {
    width: 64px;
    height: 64px;
    background: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    margin-bottom: 1rem;
}

.upload-box .title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 0.3rem;
}

.upload-box .hint {
    font-size: 0.9rem;
    color: #94a3b8;
}

.hidden-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

#fileList {
    text-align: left;
    margin-top: 1.5rem;
    display: none;
}

.file-header {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.file-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 10px 14px;
    margin-bottom: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.file-item .num {
    background: #dbeafe;
    color: var(--primary);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 10px;
}

.btn-wrap {
    text-align: center;
    margin-top: 1rem;
}