/* ============================================================
   作用域隔离：所有样式限定在 #qrcode-tool-root 下
   防止污染 Butterfly 主题的全局样式
============================================================ */

/* 定义局部变量，不使用 :root */
#qrcode-tool-root {
    --qr-primary: #2196F3;
    --qr-success: #4CAF50;
    --qr-bg: #fff;
    --qr-panel-bg: #f8f9fa;
    --qr-border: #e0e0e0;
    --qr-text-main: #333;
    --qr-text-sub: #666;
    
    /* 基础容器设置 */
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: var(--qr-bg);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.05);
    color: var(--qr-text-main); /* 强制重置字体颜色 */
    font-size: 16px; /* 重置基础字号 */
    line-height: 1.6;
}

/* 适配 Butterfly 的夜间模式 */
[data-theme="dark"] #qrcode-tool-root {
    --qr-bg: #1e1e1e;
    --qr-panel-bg: #2d2d2d;
    --qr-border: #444;
    --qr-text-main: #eee;
    --qr-text-sub: #aaa;
}

/* === Tabs === */
#qrcode-tool-root .tab-group { 
    display: flex; 
    margin-bottom: 20px; 
    background: var(--qr-panel-bg); 
    padding: 4px; 
    border-radius: 8px; 
}
#qrcode-tool-root .tab-item { 
    flex: 1; 
    text-align: center; 
    padding: 10px; 
    cursor: pointer; 
    color: var(--qr-text-sub); 
    border-radius: 6px; 
    transition: 0.3s; 
    user-select: none;
}
#qrcode-tool-root .tab-item.active { 
    background: var(--qr-bg); 
    color: var(--qr-primary); 
    box-shadow: 0 2px 8px rgba(0,0,0,0.05); 
    font-weight: bold; 
}
#qrcode-tool-root .mode-panel { display: none; }
#qrcode-tool-root .mode-panel.active { display: block; animation: qrFadeIn 0.3s ease; }
@keyframes qrFadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* === 文本输入 === */
#qrcode-tool-root .input-group textarea {
    width: 100%; 
    min-height: 48px; 
    max-height: 150px; 
    padding: 12px;
    border: 1px solid var(--qr-border); 
    border-radius: 8px;
    background: var(--qr-panel-bg); 
    color: var(--qr-text-main);
    resize: none; 
    outline: none; 
    transition: 0.3s;
    box-sizing: border-box; /* 防止 padding 撑大宽度 */
}
#qrcode-tool-root .input-group textarea:focus { border-color: var(--qr-primary); }

/* === 风格选择 === */
#qrcode-tool-root .style-section { margin: 20px 0; }
#qrcode-tool-root .style-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
#qrcode-tool-root .style-card {
    background: var(--qr-panel-bg);
    border: 2px solid transparent; 
    border-radius: 8px;
    padding: 12px; 
    text-align: center; 
    cursor: pointer;
    color: var(--qr-text-sub); 
    transition: 0.2s;
    font-size: 0.9rem;
}
#qrcode-tool-root .style-card.active {
    border-color: var(--qr-primary); 
    color: var(--qr-primary);
    background: rgba(33, 150, 243, 0.1); 
    font-weight: bold;
}

/* === 参数面板 === */
#qrcode-tool-root .params-container {
    background: var(--qr-panel-bg);
    padding: 15px; 
    border-radius: 8px; 
    margin-bottom: 20px;
}
#qrcode-tool-root .param-row {
    display: flex; 
    align-items: center;
    justify-content: flex-start;
    gap: 15px; 
    margin-bottom: 12px; 
    font-size: 0.9rem; 
    color: var(--qr-text-sub);
}
#qrcode-tool-root .param-label { 
    font-weight: 500; 
    min-width: 40px; 
    white-space: nowrap;
}
#qrcode-tool-root .param-slider { 
    flex: 1; 
    margin: 0; 
    cursor: pointer;
    /* 重置浏览器默认样式 */
    -webkit-appearance: auto; 
}
#qrcode-tool-root .param-value { 
    width: 30px; 
    text-align: left; 
    font-family: monospace; 
}

/* === 三列紧凑布局 === */
#qrcode-tool-root .row-three-cols {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-top: 15px;
    border-top: 1px solid var(--qr-border);
    padding-top: 15px;
}
#qrcode-tool-root .col-item {
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    justify-content: center;
    gap: 8px;
}
#qrcode-tool-root .col-label { font-size: 0.85rem; color: var(--qr-text-sub); margin-bottom: 4px; }

#qrcode-tool-root .color-picker-wrapper {
    position: relative; 
    width: 100%; 
    height: 36px;
    border: 1px solid var(--qr-border); 
    border-radius: 6px;
    overflow: hidden; 
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    background: #fff; /* 颜色选择器背景保持白色 */
}
#qrcode-tool-root .color-picker-wrapper input[type="color"] {
    position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    padding: 0; margin: 0; cursor: pointer; opacity: 0;
}
#qrcode-tool-root .color-display-block {
    width: 20px; height: 20px; border-radius: 4px; border: 1px solid rgba(0,0,0,0.1);
    margin-right: 8px; pointer-events: none;
}
#qrcode-tool-root .color-text-val { 
    font-family: monospace; font-size: 0.8rem; pointer-events: none; color: #333;
}

#qrcode-tool-root .btn-mini-upload {
    width: 100%; height: 36px;
    padding: 0 10px; font-size: 0.85rem;
    background: var(--qr-bg); 
    border: 1px solid var(--qr-border);
    border-radius: 6px; cursor: pointer; color: var(--qr-text-main);
    transition: 0.2s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    display: flex; align-items: center; justify-content: center;
}
#qrcode-tool-root .btn-mini-upload:hover { border-color: var(--qr-primary); color: var(--qr-primary); }

/* === 上传条 === */
#qrcode-tool-root .upload-bar {
    display: flex; align-items: center; justify-content: center; gap: 15px;
    padding: 15px; 
    border: 2px dashed var(--qr-border);
    border-radius: 8px; background: var(--qr-panel-bg);
    cursor: pointer; transition: 0.3s; margin-bottom: 20px;
}
#qrcode-tool-root .upload-bar:hover { border-color: var(--qr-primary); background: rgba(33, 150, 243, 0.05); }
#qrcode-tool-root .upload-info { display: flex; align-items: center; gap: 8px; color: var(--qr-text-sub); font-size: 0.95rem; }
#fileInput, #logoInput { display: none !important; }

/* === 预览区域 (包含问题1的修复) === */
#qrcode-tool-root .preview-section { 
    display: flex; 
    gap: 20px; 
    margin-bottom: 25px; 
    flex-wrap: wrap; 
}

#qrcode-tool-root .img-box {
    flex: 1; 
    min-width: 250px; 
    height: 300px; /* [调整] 稍微增加高度，确保正方形图片能完整放下 */
    background: var(--qr-panel-bg); 
    border-radius: 8px;
    border: 1px solid var(--qr-border);
    position: relative; /* 关键：为绝对定位的标签提供锚点 */
    padding: 0;         /* [调整] 清除 padding，改用 Flex 居中 */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* 统一左上角标签样式 */
#qrcode-tool-root .img-label {
    position: absolute; 
    top: 10px; 
    left: 10px;
    padding: 4px 10px; 
    border-radius: 4px; 
    font-size: 12px; 
    font-weight: bold;
    color: white;
    z-index: 10; /* 确保在图片之上 */
    background: rgba(0,0,0,0.6); /* 默认灰色半透明 */
    pointer-events: none;
}

/* [修复2] 结果窗口标签统一为蓝色 */
#qrcode-tool-root .img-label.label-blue {
    background: var(--qr-primary);
}

/* 统一图片容器：确保 Logo、上传图、结果图 大小行为一致 */
#qrcode-tool-root .img-content-wrapper {
    width: 100%;
    height: 100%;
    padding: 30px; /* 留出边距，避免贴边，同时也给 Label 留空间 */
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* 统一图片样式：自适应且保持比例 */
#qrcode-tool-root .preview-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 4px;
}

/* [修复3] 结果图片的链接容器也要撑满 */
#qrcode-tool-root #link-result {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* [修复5] 解析结果文本框 - 绝对定位铺满，避免被挤压 */
#qrcode-tool-root #parse-result-text {
    position: absolute;
    top: 0; left: 0;
    width: 100%; 
    height: 100%;
    padding: 40px 20px 20px 20px; /* Top padding 避开 Label */
    border: none;
    background: var(--qr-panel-bg);
    color: var(--qr-text-main);
    resize: none;
    outline: none;
    font-family: Consolas, monospace;
    font-size: 0.95rem;
    overflow-y: auto;
    z-index: 5;
    box-sizing: border-box;
    line-height: 1.5;
}

/* [修复2] 占位文字统一风格 */
#qrcode-tool-root .placeholder-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    color: #999;
    font-size: 1rem;
    pointer-events: none;
    white-space: nowrap;
}

/* === 按钮通用 === */
#qrcode-tool-root .btn {
    width: 100%; padding: 12px; border: none; border-radius: 6px;
    font-size: 1rem; color: white; cursor: pointer;
    display: inline-flex; justify-content: center; align-items: center; gap: 8px;
    transition: 0.2s;
    background: var(--qr-primary);
}
#qrcode-tool-root .btn:hover { filter: brightness(1.1); }
#qrcode-tool-root .btn-download, 
#qrcode-tool-root .btn-cancel { margin-top: 15px; display: none; }
#qrcode-tool-root .btn-download { background: var(--qr-success); }
#qrcode-tool-root .btn-success { background-color: var(--qr-success) !important; }

/* === Loading Spinner === */
#qrcode-tool-root .loading-spinner {
    width: 20px; height: 20px; border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%; border-top-color: #fff; animation: qrSpin 1s infinite linear; display: none;
}
@keyframes qrSpin { to { transform: rotate(360deg); } }

/* ============================================================
   Modal 样式 (独立于 root 之外，但为了安全加特定的前缀 ID)
============================================================ */
#crop-modal.crop-modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.85); z-index: 9999;
    display: flex; justify-content: center; align-items: center;
    backdrop-filter: blur(5px);
}
#crop-modal .crop-modal-content {
    background: #fff; /* Modal 强制白色背景，避免受夜间模式复杂影响 */
    padding: 25px; border-radius: 12px;
    width: 95%; max-width: 500px;
    display: flex; flex-direction: column;
    color: #333;
}
[data-theme="dark"] #crop-modal .crop-modal-content {
    background: #2d2d2d;
    color: #eee;
}

#crop-modal .crop-workspace { 
    width: 100%; 
    min-height: 200px;
    max-height: 60vh;
    background: #333; 
    border-radius: 8px; 
    overflow: hidden; 
    margin-bottom: 20px; 
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

#crop-target-img {
    display: block;
    max-width: 100%;
    max-height: 100%;
}

/* CropperJS 自定义样式覆盖 */
.cropper-bg { background: transparent !important; }

#crop-modal .crop-actions { 
    display: grid; 
    grid-template-columns: 1fr 1fr;
    gap: 15px; 
}
#crop-modal .btn-cancel { 
    display: flex; margin-top: 0; 
    background: #f5f5f5; color: #666; border: 1px solid #ddd;
    width: 100%; padding: 12px; border-radius: 6px; justify-content: center; cursor: pointer;
}
#crop-modal .btn-cancel:hover { background: #e0e0e0; }
#crop-modal .btn-primary { 
    width: 100%; padding: 12px; border: none; border-radius: 6px;
    background: #2196F3; color: white; cursor: pointer;
}