/* 主布局 */
.tool-main {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 计算器区域 */
.calculator-section {
    background: var(--bg-color-50);
    border: 1px solid var(--border-color-10);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
}

/* 当前比例显示 */
.current-ratio-display {
    margin-bottom: 24px;
}

.current-ratio-text {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}



/* 尺寸输入 */
.size-inputs {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.input-section {
    flex: 1;
    max-width: 320px;
}

.input-section label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.size-input {
    position: relative;
}

.size-input input {
    width: 100%;
    height: 56px;
    padding: 0 48px 0 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 24px;
    font-weight: 500;
    text-align: center;
    color: var(--text-color);
    background: var(--bg-color);
    transition: all 0.2s ease;
}

.size-input.focused input {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-color-10);
}

.size-input .unit {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 14px;
    pointer-events: none;
}

.size-separator {
    font-size: 32px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* 输入提示 */
.input-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    min-height: 16px;
    transition: all 0.2s ease;
}

.input-hint.active {
    color: var(--primary-color);
    font-weight: 500;
}

/* 左侧面板组 */
.left-panels {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 比例预设 */
.ratio-presets {
    flex: 1;
}

/* 当前比例详情 */
.ratio-details {
    padding: 16px;
}

.ratio-details h3 {
    margin-bottom: 12px;
}

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

.detail-item {
    padding: 8px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

/* 两行布局的详情内容 */
.detail-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.detail-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.detail-value {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-color);
}

.detail-desc {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
}

/* 面板区域 */
.tool-panels {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
}

/* 比例预设 */
.panel-section {
    background: var(--bg-color-50);
    border: 1px solid var(--border-color-10);
    border-radius: 12px;
    padding: 20px;
}

.panel-section h3 {
    margin-bottom: 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
}

.ratio-tab {
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transform: scale(1);
}

.ratio-tab:hover {
    border-color: var(--primary-color);
    background: var(--primary-color-10);
}

.ratio-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}



.ratio-tab.active .ratio-name {
    color: white;
}



.ratio-tab.active .ratio-desc {
    color: rgba(255, 255, 255, 0.8);
}

/* 预览区域 */
.preview-panel {
    display: flex;
    flex-direction: column;
    min-height: 400px;
    overflow: hidden;
}

.ratio-preview-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 8px;
}

.ratio-preview {
    max-width: 100%;
    max-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}


/* 响应式调整 */
@media (max-width: 1024px) {
    .tool-panels {
        grid-template-columns: 1fr;
    }
    
    .ratio-presets,
    .preview-panel {
        min-width: unset;
        max-width: 100%;
    }
    
    .preview-panel {
        aspect-ratio: auto;
        height: 400px;
    }
}

@media (max-width: 768px) {
    .tool-main {
        padding: 0 16px;
    }
    
    .size-inputs {
        flex-direction: column;
        align-items: center;
    }
    
    .input-section {
        width: 100%;
    }
    
    .size-separator {
        margin: 8px 0;
    }
    
    .ratio-tabs {
        grid-template-columns: repeat(2, 1fr);
    }
}





/* 快捷操作按钮 */
.quick-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-btn:hover {
    border-color: var(--primary-color);
    background: var(--primary-color-10);
    color: var(--primary-color);
}

.action-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.action-btn.active:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    opacity: 0.9;
}

.action-btn iconify-icon {
    font-size: 16px;
}





.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.preview-header h3 {
    margin: 0;
}

.scale-info {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-color);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.preview-area {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        linear-gradient(90deg, var(--border-color-10) 1px, transparent 1px),
        linear-gradient(var(--border-color-10) 1px, transparent 1px);
    background-size: 20px 20px;
    border-radius: 8px;
    overflow: hidden;
    min-height: 300px;
}

.preview-box {
    position: relative;
    background: var(--primary-color-20);
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.preview-box {
    --label-font-size: 12px;
}

.preview-box::after {
    content: attr(data-size);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--label-font-size);
    font-weight: 500;
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.9);
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 小预览框隐藏内部标注 */
.preview-box.small-preview::after {
    display: none;
}

/* 外部标注样式 */
.external-label {
    display: none;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-color);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 比例分类 */
.ratio-category {
    margin-bottom: 20px;
}

.ratio-category:last-child {
    margin-bottom: 0;
}

.ratio-category h4 {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin: 0 0 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 改进比例按钮分组 */
.ratio-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

/* 为不同分类调整布局 */
.ratio-category:nth-child(1) .ratio-tabs,
.ratio-category:nth-child(2) .ratio-tabs,
.ratio-category:nth-child(3) .ratio-tabs,
.ratio-category:nth-child(4) .ratio-tabs {
    grid-template-columns: repeat(2, 1fr);
}

.ratio-tab {
    height: 56px;
    padding: 8px 12px;
    position: relative;
    overflow: hidden;
}

.ratio-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.ratio-tab:hover::before {
    left: 100%;
}

.ratio-name {
    font-size: 15px;
    font-weight: 600;
}

.ratio-desc {
    font-size: 11px;
    opacity: 0.8;
}

/* 输入验证状态 */
.size-input.error input {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.size-input.success input {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.size-input.warning input {
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}



/* 键盘导航支持 */
.ratio-tab:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.action-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* kbd 样式 */
kbd {
    background: var(--bg-color-50);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 12px;
    font-family: monospace;
    color: var(--text-color);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}