/* === to-other.css - 格式转换页面通用样式 === */
/* 适用页面：to-png / to-webp / jpg-to-gif */
/* 适配低饱和深蓝商务设计系统 */

.tool-content {
    padding: var(--space-xl) 20px;
    max-width: 1440px;
    margin: 0 auto;
}

.tool-content .page-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.tool-content .page-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.tool-content .page-subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* === 上传区域 === */
.upload-container {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.upload-zone {
    padding: 60px 40px;
    text-align: center;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all 0.3s;
    border: 3px dashed var(--color-border);
    margin: 20px;
    border-radius: var(--radius-md);
}

.upload-zone:hover {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border-color: var(--color-accent);
}

.upload-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.btn-upload {
    padding: 14px 32px;
    background: var(--color-accent);
    color: var(--text-on-accent);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-upload:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.upload-hint {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

.upload-rules {
    font-size: 12px;
    color: var(--color-text-tertiary);
}

/* === 编辑区域 - 左右布局 === */
.editor-layout {
    display: none;
    gap: 30px;
    align-items: flex-start;
}

.editor-layout.active {
    display: flex;
}

/* 左侧预览区 */
.preview-section {
    flex: 0 0 70%;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 20px;
    border: 1px solid var(--color-border);
}

.preview-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-bottom: 20px;
}

.btn-circle {
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    color: var(--text-on-accent);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 18px;
    position: relative;
}

.btn-circle:hover {
    background: var(--color-accent-hover);
    transform: scale(1.05);
}

.badge-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-danger);
    color: var(--text-on-accent);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 700;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.preview-card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease;
}

.preview-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.preview-image-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preview-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.image-info {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
}

.btn-delete {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    opacity: 0;
    visibility: hidden;
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.9);
}

.preview-card:hover .btn-delete {
    opacity: 1;
    visibility: visible;
}

.preview-card-footer {
    padding: 12px;
    text-align: center;
}

.filename {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 4px;
    word-break: break-all;
}

.dimensions {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

/* === 右侧配置区 === */
.config-section {
    flex: 0 0 calc(30% - 30px);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
}

.config-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 16px;
}

.config-description {
    margin-bottom: 24px;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.config-options {
    margin-bottom: 24px;
}

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

.input-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.number-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: border-color 0.3s;
}

.number-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* 自定义复选框 */
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    margin-bottom: 12px;
    user-select: none;
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    position: relative;
    transition: all 0.3s;
    flex-shrink: 0;
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}

.checkbox-label {
    font-size: 14px;
    color: var(--color-text-primary);
}

/* 主按钮 */
.btn-primary {
    background: var(--color-accent);
    color: var(--text-on-accent);
    border: none;
    border-radius: var(--radius-sm);
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    margin-top: auto;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.btn-primary:disabled {
    background: var(--color-border);
    cursor: not-allowed;
    transform: none;
}

/* 隐藏文件输入 */
#fileInput {
    display: none;
}

/* === 预览进度区域 === */
.progress-area {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    width: 100%;
    display: none;
}

.progress-header h3 {
    font-size: 18px;
    color: var(--color-accent);
    margin: 0 0 15px 0;
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    width: 0%;
    transition: width 0.3s ease;
}

/* === 响应式 === */
@media (max-width: 1024px) {
    .editor-layout { flex-direction: column; }
    .preview-section, .config-section { flex: 0 0 100%; }
}

@media (max-width: 768px) {
    .tool-content { padding: 20px 10px; }
    .tool-content .page-title { font-size: 24px; }
    .upload-zone { padding: 40px 20px; }
    .btn-upload { padding: 12px 24px; font-size: 14px; }
    .preview-grid { grid-template-columns: 1fr; }
    .preview-image-wrapper { height: 150px; }
}