/* ==========================================================================
   printbao Pricing Engine — P0 样式
   --------------------------------------------------------------------------
   追加到 printbao.css 末尾。包含：
     8. 实时价格显示区
     9. 阶梯分段选择器
    10. 文件上传区
    11. 包装盒 CSS3 3D 折叠（渐进增强，不支持自动降级）
   ========================================================================== */

/* ==========================================================================
   8. 实时价格显示区
   ========================================================================== */
.printbao-price {
    margin: 16px 0;
    padding: 16px 18px;
    background: linear-gradient(135deg, var(--printbao-primary-soft, #eef5ff) 0%, #fff 100%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 14px;
    text-align: center;
}

.printbao-price__label {
    font-size: 12px;
    font-weight: 500;
    color: #8e8e93;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}

.printbao-price__total {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--printbao-primary, #1976d2);
    line-height: 1.1;
    transition: color 0.2s;
}

/* 本地乐观值（服务端未确认）用浅色区分 */
.printbao-price__total.is-local {
    color: #a0a0a8;
}

.printbao-price__unit {
    font-size: 13px;
    color: #6c6c70;
    margin-top: 2px;
}

.printbao-price__breakdown {
    margin-top: 10px;
    text-align: left;
    font-size: 12px;
    color: #4a4a4e;
}

.printbao-price__breakdown ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.printbao-price__breakdown li {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.05);
}

.printbao-price__tier-note {
    margin-top: 8px;
    font-size: 12px;
    font-weight: 600;
    color: #e65100;
    min-height: 1em;
}

/* ==========================================================================
   9. 阶梯分段选择器
   ========================================================================== */
.printbao-tiers {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.printbao-tier-btn {
    flex: 1 1 auto;
    min-width: 80px;
    padding: 10px 12px;
    font-size: 14px;
    font-weight: 600;
    color: #1c1c1e;
    background: #f2f2f7;
    border: 1.5px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s;
}

.printbao-tier-btn:hover {
    background: #e8e8ed;
}

.printbao-tier-btn.is-active {
    background: var(--printbao-primary, #1976d2);
    color: #fff;
    border-color: var(--printbao-primary, #1976d2);
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.25);
}

/* ==========================================================================
   10. 文件上传区
   ========================================================================== */
.printbao-upload {
    margin: 14px 0;
    padding: 20px;
    text-align: center;
    background: #f8f8fa;
    border: 2px dashed #d1d1d6;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.printbao-upload:hover,
.printbao-upload.is-dragover {
    border-color: var(--printbao-primary, #1976d2);
    background: var(--printbao-primary-soft, #eef5ff);
}

.printbao-upload.is-uploading {
    opacity: 0.6;
    pointer-events: none;
}

.printbao-upload__icon {
    font-size: 32px;
    color: #8e8e93;
    line-height: 1;
}

.printbao-upload__text {
    margin-top: 6px;
    font-size: 13px;
    color: #4a4a4e;
}

.printbao-upload__hint {
    font-size: 11px;
    color: #a0a0a8;
    margin-top: 2px;
}

.printbao-upload input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.printbao-upload-list {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    text-align: left;
}

.printbao-upload-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    font-size: 13px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 8px;
    margin-bottom: 4px;
}

/* ==========================================================================
   11. 包装盒 CSS3 3D 折叠（渐进增强）
   --------------------------------------------------------------------------
   在现有 SVG 的 .pb-face / .pb-flap / .pb-glue 面上叠加 3D 变换。
   仅在 .printbao-3d-ready 生效，且父级启用 preserve-3d。
   不支持 transform-style 的浏览器 / prefers-reduced-motion → 保持原 SVG。
   ========================================================================== */
.printbao-figure.printbao-3d-ready {
    perspective: 900px;
}

.printbao-figure.printbao-3d-ready .pb-cube {
    position: relative;
    width: 100%;
    height: 200px;
    transform-style: preserve-3d;
    transform: rotateX(-20deg) rotateY(-30deg);
    transition: transform 0.6s ease;
}

.printbao-figure.printbao-3d-ready:hover .pb-cube {
    transform: rotateX(-15deg) rotateY(-45deg);
}

/* 六个面：用 SVG 面元素的 class 映射（pb-face--front/back/left/right/top/bottom） */
.printbao-figure.printbao-3d-ready .pb-face {
    position: absolute;
    backface-visibility: hidden;
    transition: opacity 0.3s;
}

.printbao-figure.printbao-3d-ready .pb-face--front  { transform: rotateY(0deg)    translateZ(50px); }
.printbao-figure.printbao-3d-ready .pb-face--back   { transform: rotateY(180deg)  translateZ(50px); }
.printbao-figure.printbao-3d-ready .pb-face--right  { transform: rotateY(90deg)   translateZ(50px); }
.printbao-figure.printbao-3d-ready .pb-face--left   { transform: rotateY(-90deg)  translateZ(50px); }
.printbao-figure.printbao-3d-ready .pb-face--top    { transform: rotateX(90deg)   translateZ(50px); }
.printbao-figure.printbao-3d-ready .pb-face--bottom { transform: rotateX(-90deg)  translateZ(50px); }

/* 折叠翻盖动画（如 mailer / folding-carton 的开盒效果） */
.printbao-figure.printbao-3d-ready .pb-flap {
    transform-origin: top center;
    transition: transform 0.5s ease;
}

.printbao-figure.printbao-3d-ready.is-open .pb-flap--top {
    transform: rotateX(110deg);
}

.printbao-figure.printbao-3d-ready .pb-glue {
    opacity: 0.6;
}

/* 用户聚焦某维度时高亮对应面（复用现有 is-active） */
.printbao-figure.printbao-3d-ready .pb-face.is-active {
    filter: drop-shadow(0 0 6px var(--printbao-primary, #1976d2));
}

/* 降级：不支持 preserve-3d 时，CSS 选择器无效，SVG 原样显示 —— 无副作用 */

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 600px) {
    .printbao-price__total { font-size: 28px; }
    .printbao-tier-btn { min-width: 64px; padding: 8px 6px; font-size: 13px; }
    .printbao-upload { padding: 16px 12px; }
}

/* ==========================================================================
   v6.1：参数两列网格（一排两个）
   ========================================================================== */
.printbao-params-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 16px;
}

@media (max-width: 480px) {
    .printbao-params-grid {
        grid-template-columns: 1fr;
    }
}

.printbao-params-panel {
    padding: 16px;
    border: 1px solid #e2e8f0;
    border-top: none;
    border-radius: 0 0 10px 10px;
}

.printbao-param-group {
    background: #f8fafc;
    border: 1px solid #eef2f7;
    border-radius: 10px;
    padding: 12px 14px;
}

.printbao-param-group-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 8px;
}

.printbao-param-options {
    display: flex;
grid-template-columns: repeat(2, 1fr); 
    flex-direction: column;
    gap: 6px;
}

.printbao-param-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    font-size: 13px;
    color: #1e293b;
}

.printbao-param-option:hover {
    border-color: #94a3b8;
}

.printbao-param-option input:checked + .printbao-param-label {
    font-weight: 600;
    color: #2563eb;
}

.printbao-param-price {
    margin-left: auto;
    font-size: 11px;
    color: #64748b;
    white-space: nowrap;
}

/* ==========================================================================
   v6.1：尺寸 CAD 图形显示区（类似 CAD 标注图）
   ========================================================================== */
.printbao-dim-canvas-wrap {
    margin-bottom: 20px;
    padding: 16px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
}

.printbao-dim-canvas-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
}

.printbao-dim-canvas-hint {
    font-size: 11px;
    font-weight: 400;
    color: #94a3b8;
}

.printbao-dim-canvas-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 320 / 220;
    background:
        linear-gradient(#f1f5f9 1px, transparent 1px) 0 0 / 16px 16px,
        linear-gradient(90deg, #f1f5f9 1px, transparent 1px) 0 0 / 16px 16px,
        #fafcff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}

.printbao-dim-canvas-stage canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.printbao-dim-canvas-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: #94a3b8;
    font-size: 13px;
    pointer-events: none;
    transition: opacity 0.2s;
}

.printbao-dim-placeholder-icon {
    font-size: 32px;
    opacity: 0.6;
}

.printbao-dim-canvas-wrap.has-size .printbao-dim-canvas-placeholder {
    opacity: 0;
}

.printbao-dim-readout {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: 10px;
    font-size: 12px;
    color: #475569;
}

.printbao-dim-readout span {
    background: #f1f5f9;
    padding: 3px 10px;
    border-radius: 12px;
    font-variant-numeric: tabular-nums;
}

.printbao-dim-readout strong {
    color: #2563eb;
    font-weight: 600;
}

/* ==========================================================================
   v6.2：标准尺寸（一排两个）+ 自定义尺寸输入框
   ========================================================================== */

/* 尺寸预览区置顶 + 高亮，让「尺寸预览」一眼可见 */
.printbao-dim-canvas-wrap {
    border-color: #bfdbfe;
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 60%);
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.06);
}

/* 标准尺寸：一排两个胶囊 */
.printbao-size-presets {
    margin-bottom: 14px;
}

.printbao-size-presets-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
}

.printbao-size-presets-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 12px;
}

@media (max-width: 480px) {
    .printbao-size-presets-grid {
        grid-template-columns: 1fr;
    }
}

.printbao-size-preset-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border: 1.5px solid #e2e8f0;
    border-radius: 9px;
    background: #fff;
    cursor: pointer;
    font-size: 13px;
    color: #1e293b;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.printbao-size-preset-option:hover {
    border-color: #94a3b8;
}

.printbao-size-preset-option input {
    margin: 0;
    accent-color: #2563eb;
}

/* 选中态：蓝色描边 + 淡蓝底 */
.printbao-size-preset-option:has(input:checked) {
    border-color: #2563eb;
    background: #eff6ff;
    color: #1d4ed8;
    font-weight: 600;
}

/* 自定义尺寸开关（最后一个选项），用虚线区分 */
.printbao-size-preset-custom {
    border-style: dashed;
    color: #475569;
}

/* 自定义尺寸输入框区（默认隐藏，仅当选「自定义」时由 JS 显示） */
.printbao-custom-size {
    display: none;
    margin-top: 4px;
    padding: 14px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 10px;
}

.printbao-custom-size.is-visible {
    display: block;
}

.printbao-custom-size-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 10px;
}

.printbao-custom-size-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px 14px;
}

@media (max-width: 480px) {
    .printbao-custom-size-grid {
        grid-template-columns: 1fr;
    }
}

.printbao-dim-field {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.printbao-dim-field input[type="number"] {
    width: 100%;
    padding: 10px 32px 10px 12px;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    color: #0f172a;
    box-sizing: border-box;
    -moz-appearance: textfield;
}

.printbao-dim-field input[type="number"]::-webkit-outer-spin-button,
.printbao-dim-field input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.printbao-dim-field input[type="number"]:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.printbao-dim-unit {
    position: absolute;
    top: 11px;
    right: 10px;
    font-size: 12px;
    color: #94a3b8;
    pointer-events: none;
}

.printbao-dim-field-label {
    font-size: 12px;
    color: #64748b;
    text-align: center;
}

.printbao-custom-size-hint {
    margin: 10px 0 0;
    font-size: 12px;
    color: #94a3b8;
}

/* ==========================================================================
   v6.9 — 加入购物车 + WhatsApp 更优惠 + 隐藏原生 WC 数量（双保险）
   ========================================================================== */

/* 隐藏原生 WooCommerce 数量输入框（面板内联已有 !important，这里再覆盖一层） */
.single-product .quantity,
.single-product .qty,
.single-product div.quantity,
.woocommerce div.product form.cart div.quantity,
.woocommerce div.product form.cart .quantity {
    display: none !important;
}

/* 操作按钮区 */
.printbao-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
    align-items: center;
}

/* 加入购物车按钮 */
.printbao-btn-add-cart {
    background: #2563eb;
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    flex: 1;
    min-width: 160px;
}
.printbao-btn-add-cart:hover {
    background: #1d4ed8;
}
.printbao-btn-add-cart:disabled {
    background: #9ca3af;
    cursor: not-allowed;
}

/* WhatsApp 更优惠按钮 */
.printbao-btn-whatsapp-better {
    background: #25d366;
    color: #fff;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    flex: 1;
    min-width: 160px;
    text-align: center;
    transition: background 0.2s;
}
.printbao-btn-whatsapp-better:hover {
    background: #1ebe5b;
    color: #fff;
}

/* 购物车成功提示 */
.printbao-cart-notice {
    margin-top: 10px;
}
.printbao-cart-notice a {
    color: #059669;
    font-weight: 600;
    margin: 0 4px;
}

@media (max-width: 480px) {
    .printbao-actions {
        flex-direction: column;
    }
    .printbao-btn-add-cart,
    .printbao-btn-whatsapp-better {
        width: 100%;
        min-width: 0;
    }
}