/* ===============================================
   4-product.css - 产品详情页专用样式
   The Ulala Recipe - MVP v2.0
   
   职责：
   - 产品Hero区
   - 快速决策卡
   - 优缺点分析
   - 场景适配网格
   - 数据表格
   - AI工具区
   - 折叠详情
   - 其他产品推荐
   
   特点：
   - 只在product-*.html使用
   - 继承base和components的样式
   - 统一绿+灰配色系统
   =============================================== */

.diy-analysis-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 4px solid #0ea5e9;
    padding: 20px;
    margin-top: 30px;
    border-radius: 8px;
}

.diy-analysis-box h4 {
    margin: 0 0 10px 0;
    color: #0369a1;
}

.diy-analysis-box p {
    margin: 8px 0;
    line-height: 1.6;
}

.prompt-hint {
    background: white;
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    color: #334155;
    border: 1px dashed #cbd5e1;
}

.tool-note {
    font-size: 13px;
    color: #64748b;
    font-style: italic;
}
/* ======================
   Product Hero Section
   ====================== */
.product-hero {
    margin: var(--gap-xl) 0;
}

.product-hero-grid {
    display: grid;
    gap: var(--gap-lg);
}

@media (min-width: 768px) {
    .product-hero-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--gap-2xl);
    }
}

/* Product Image Container */
.product-image-container {
    background: var(--white);
    border-radius: var(--radius);
    padding: var(--gap-lg);
    box-shadow: var(--shadow);
}

.product-image-large {
    width: 100%;
    border-radius: 12px;
}

/* Product Hero Info */
.product-hero-info {
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
    color: var(--gray-900);
}

@media (min-width: 768px) {
    .product-title {
        font-size: 36px;
    }
}

.product-oneliner {
    font-size: 17px;
    color: var(--gray-700);
    margin-bottom: var(--gap-md);
    font-weight: 400;
    line-height: 1.7;
}

.price-info {
    font-size: 15px;
    color: var(--gray-700);
    margin-top: var(--gap-md);
    padding-top: var(--gap-md);
    border-top: 1px solid var(--gray-100);
}

/* ======================
   Quick Decision Card
   ====================== */
.quick-decision-card {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: var(--gap-lg);
    margin: var(--gap-md) 0;
}

.decision-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: var(--gap-md);
    color: var(--gray-900);
}

.decision-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    font-size: 15px;
    line-height: 1.7;
    border-bottom: 1px solid var(--gray-100);
}

.decision-row:last-child {
    border-bottom: none;
}

.decision-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.decision-content {
    flex: 1;
}

.decision-text {
    font-weight: 500;
    color: var(--gray-900);
    display: block;
}

.decision-why {
    display: block;
    font-size: 14px;
    color: var(--gray-700);
    margin-top: 4px;
}

/* Scroll Hint */
.scroll-hint {
    text-align: center;
    color: var(--gray-700);
    font-size: 14px;
    margin-top: 30px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ======================
   Dividers
   ====================== */
.section-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gray-300), transparent);
    margin: 60px 0;
}

.major-divider {
    height: 2px;
    background: linear-gradient(to right, transparent, var(--green), transparent);
    margin: 80px 0;
}

/* ======================
   Layer Spacing System
   ====================== */
.layer-a { margin-bottom: 60px; }
.layer-b { margin-bottom: 80px; }
.layer-c { margin-bottom: 80px; }
.layer-d { margin-bottom: 60px; }
.layer-e { margin-bottom: 60px; }
.layer-f { margin-bottom: 60px; }
.layer-g { margin-bottom: 40px; }

/* ======================
   Pros & Cons Section
   ====================== */
.pros-cons-grid {
    display: grid;
    gap: var(--gap-md);
    margin: var(--gap-lg) 0;
}

@media (min-width: 768px) {
    .pros-cons-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--gap-lg);
    }
}

.pros-box,
.cons-box {
    background: var(--white);
    border-radius: var(--radius);
    padding: var(--gap-lg);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--gray-300);
}

.pros-box {
    border-left-color: var(--green);
}

.cons-box {
    border-left-color: var(--gray-500);
}

.box-title {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: var(--gap-md);
    color: var(--gray-900);
}

.features-list {
    list-style: none;
}

.features-list li {
    margin-bottom: var(--gap-md);
    padding-left: 28px;
    position: relative;
}

.features-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    font-size: 24px;
    line-height: 1;
}

.pros-box .features-list li::before {
    color: var(--green);
}

.cons-box .features-list li::before {
    color: var(--gray-500);
}

.feature-header {
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-icon {
    font-size: 18px;
}

.feature-header strong {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
}

.feature-detail {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.7;
}

/* ======================
   Risk Alert
   ====================== */
.risk-alert {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-left: 4px solid var(--gray-700);
    border-radius: var(--radius);
    padding: var(--gap-lg);
    margin: var(--gap-md) 0;
}

.risk-alert h4 {
    font-size: 17px;
    margin-bottom: var(--gap-md);
    color: var(--gray-900);
}

.risk-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

.risk-item:last-child {
    border-bottom: none;
}

.risk-item strong {
    display: block;
    margin-bottom: 6px;
    font-size: 15px;
    color: var(--gray-900);
}

.risk-item p {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.7;
}

.balance-note {
    background: var(--green-light);
    border-left: 4px solid var(--green);
    border-radius: var(--radius);
    padding: var(--gap-md);
    margin: var(--gap-md) 0;
}

.balance-note h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--gray-900);
}

.balance-note p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-700);
}

/* ======================
   Scenarios Section
   ====================== */
.scenarios-grid {
    display: grid;
    gap: var(--gap-md);
    margin: var(--gap-lg) 0;
}

@media (min-width: 768px) {
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .scenarios-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.scenario-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: var(--gap-md);
    border-left: 4px solid var(--gray-300);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.scenario-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.scenario-card.suitable {
    border-left-color: var(--green);
}

.scenario-card.caution {
    border-left-color: var(--gray-500);
}

.scenario-card.unsuitable {
    border-left-color: var(--gray-500);
}

.scenario-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.scenario-rating {
    font-size: 18px;
    margin-bottom: 12px;
}

.scenario-reason {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.7;
}

.scenario-alternative {
    background: var(--gray-100);
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-top: 12px;
}

.scenario-alternative a {
    color: var(--green-dark);
    font-weight: 600;
}

.scenario-alternative a:hover {
    text-decoration: underline;
}

/* ======================
   Data Tables
   ====================== */
.data-table {
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: var(--gap-md);
    margin: var(--gap-md) 0;
}

.data-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-300);
}

.data-row:last-child {
    border-bottom: none;
}

.data-label {
    font-weight: 600;
    font-size: 15px;
    color: var(--gray-900);
}

.data-value {
    font-size: 15px;
    color: var(--gray-700);
}

/* ======================
   Copyable Box
   ====================== */
.copyable-box {
    position: relative;
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: var(--gap-md);
    margin: var(--gap-md) 0;
}

.copyable-text {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.8;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--gray-900);
}

.copy-button {
    position: absolute;
    top: 12px;
    right: 12px;
}

@media (max-width: 480px) {
    .copy-button {
        position: static;
        width: 100%;
        margin-top: 12px;
    }
}

/* ======================
   Tool & Usage Tips
   ====================== */
.tool-intro {
    background: var(--green-light);
    border-left: 4px solid var(--green);
    border-radius: var(--radius);
    padding: var(--gap-md);
    margin: var(--gap-md) 0;
}

.tool-intro h3 {
    font-size: 17px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.tool-intro p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-700);
}

.tool-intro ol {
    margin: 12px 0;
    padding-left: 24px;
}

.tool-intro li {
    font-size: 15px;
    line-height: 1.7;
    margin: 8px 0;
    color: var(--gray-700);
}

.usage-tips {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-left: 4px solid var(--gray-700);
    border-radius: var(--radius);
    padding: var(--gap-md);
    margin: var(--gap-md) 0;
}

.usage-tips h4 {
    font-size: 17px;
    margin-bottom: var(--gap-md);
    color: var(--gray-900);
}

.usage-tips ul {
    list-style: none;
}

.usage-tips li {
    font-size: 15px;
    line-height: 1.7;
    margin: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--gray-700);
}

.usage-tips li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--gray-700);
    font-size: 20px;
}

/* ======================
   Nutrition Summary
   ====================== */
.nutrition-summary {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: var(--gap-lg);
    margin: var(--gap-md) 0;
}

.nutrition-summary h3 {
    font-size: 17px;
    margin-bottom: var(--gap-md);
    color: var(--gray-900);
}

.suitability-grid {
    display: grid;
    gap: var(--gap-md);
    margin-top: var(--gap-md);
}

@media (min-width: 768px) {
    .suitability-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.suitable-yes,
.suitable-no {
    padding: var(--gap-md);
    border-radius: var(--radius-sm);
}

.suitable-yes {
    background: var(--green-light);
    border-left: 3px solid var(--green);
}

.suitable-no {
    background: var(--gray-100);
    border-left: 3px solid var(--gray-500);
}

.suitable-yes strong,
.suitable-no strong {
    display: block;
    margin-bottom: 8px;
    font-size: 15px;
}

.suitable-yes ul,
.suitable-no ul {
    list-style: none;
    padding-left: 20px;
}

.suitable-yes li,
.suitable-no li {
    font-size: 14px;
    line-height: 1.6;
    margin: 4px 0;
    position: relative;
}

.suitable-yes li::before {
    content: '✓';
    position: absolute;
    left: -20px;
    color: var(--green);
    font-weight: 700;
}

.suitable-no li::before {
    content: '✗';
    position: absolute;
    left: -20px;
    color: var(--gray-500);
    font-weight: 700;
}

/* ======================
   Trust & Disclaimers
   ====================== */
.trust-badge {
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: var(--gap-md);
    font-size: 14px;
    color: var(--gray-700);
    margin: var(--gap-md) 0;
}

.trust-badge p {
    margin: 6px 0;
    line-height: 1.7;
}

.disclaimer {
    background: var(--gray-100);
    border-left: 3px solid var(--gray-500);
    border-radius: var(--radius);
    padding: var(--gap-md);
    margin: var(--gap-md) 0;
}

.disclaimer h4 {
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.disclaimer p,
.disclaimer ul {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.7;
}

.disclaimer ul {
    margin-top: 12px;
    padding-left: 24px;
}

/* ======================
   Allergen Section
   ====================== */
.allergen-section {
    background: #fff8f0;
    border: 2px solid #ff9800;
    border-radius: var(--radius);
    padding: var(--gap-lg);
    margin: var(--gap-md) 0;
}

.section-title-small {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--gap-md);
    display: flex;
    align-items: center;
    gap: 8px;
}

.allergen-content {
    display: flex;
    flex-direction: column;
    gap: var(--gap-md);
}

.allergen-group {
    background: var(--white);
    padding: var(--gap-md);
    border-radius: var(--radius-sm);
}

.allergen-group-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.allergen-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.allergen-list li {
    padding: 8px 12px;
    background: #fff3e0;
    border-left: 3px solid #ff9800;
    border-radius: 4px;
    font-size: 14px;
}

.allergen-list-safe li {
    background: #f1f8f4;
    border-left-color: #4caf50;
}

.allergen-note {
    background: var(--white);
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-700);
}

/* ======================
   Other Products Section
   ====================== */
.other-products-section {
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: var(--gap-2xl) 0;
    margin: var(--gap-2xl) 0;
}

.other-products-grid {
    display: grid;
    gap: var(--gap-md);
    margin: var(--gap-lg) 0;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .other-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--gap-lg);
    }
}

@media (min-width: 1024px) {
    .other-products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.other-product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.other-product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.other-product-card .product-link {
    display: block;
}

.other-product-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.other-product-card h4 {
    padding: 20px 20px 8px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--gray-900);
}

.other-product-card .product-feature {
    padding: 0 20px 20px;
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.7;
}

/* Coming Soon Mini Card */
.other-product-card.coming-soon {
    background: linear-gradient(135deg, #f8f8f8, #efefef);
    border: 2px dashed var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
}

.other-product-card.coming-soon:hover {
    transform: none;
    box-shadow: var(--shadow);
}

.coming-soon-mini {
    text-align: center;
    padding: var(--gap-lg);
}

.coming-soon-mini .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.6;
}

.coming-soon-mini h4 {
    font-size: 19px;
    color: var(--gray-700);
    padding: 0;
    margin-bottom: 8px;
}

.coming-soon-mini p {
    font-size: 14px;
    color: var(--gray-500);
    padding: 0;
}

/* ======================
   Responsive - Mobile
   ====================== */
@media (max-width: 767px) {
    .product-hero-grid {
        grid-template-columns: 1fr;
    }
    
    .product-title {
        font-size: 24px;
    }
    
    .pros-cons-grid {
        grid-template-columns: 1fr;
    }
    
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    
    .suitability-grid {
        grid-template-columns: 1fr;
    }
    
    .other-products-grid {
        grid-template-columns: 1fr;
        padding: 0;
    }
    
    .allergen-section {
        padding: var(--gap-md);
    }
    
    .section-title-small {
        font-size: 16px;
    }
}

/* ======================
   Print Styles
   ====================== */
@media print {
    .scroll-hint,
    .copy-button,
    .other-products-section {
        display: none;
    }
    
    .scenario-card,
    .pros-box,
    .cons-box {
        page-break-inside: avoid;
    }
}