/* ==========================================================================
   Calorie Tables — Listing + Food Detail
   ========================================================================== */

/* --- Macro Colors --- */
:root {
    --color-macro-protein: #2196F3;  /* Blue — matches Flutter app */
    --color-macro-carbs: #FF9800;    /* Orange — correct */
    --color-macro-fat: #E91E63;      /* Pink — correct */
}

/* ==========================================================================
   LISTING PAGE
   ========================================================================== */

/* === Hero / Top Section === */
.foods-listing {
    padding-top: calc(80px + var(--spacing-xl));
    padding-bottom: var(--spacing-2xl);
    min-height: 80vh;
}

/* === Intro Text === */
.foods-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: 1.7;
    text-align: center;
}

/* === A-Z Letter Filter Bar === */
.foods-filter {
    display: flex;
    align-items: center;
    gap: 4px;
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-sm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.foods-filter::-webkit-scrollbar {
    display: none;
}
.foods-filter-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 4px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-tertiary);
    font-size: var(--text-small);
    font-weight: 500;
    font-family: var(--font-primary);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}
.foods-filter-letter:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-card);
}
.foods-filter-letter.active,
.foods-filter-letter[aria-current="true"] {
    color: #fff;
    background: var(--color-accent-green);
    font-weight: 600;
}

/* === Foods Grid (2-column like blog) === */
.foods-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

/* === Food Card (mini nutrition card) === */
.food-card {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    overflow: visible;
}
.food-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.food-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    position: relative;
}
.food-card-illustration {
    width: 80px;
    height: 80px;
    object-fit: contain;
    flex-shrink: 0;
    margin-top: -24px;
    margin-bottom: -20px;
}
.food-card-name {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text-primary);
    margin: 0;
}
.food-card-calories {
    line-height: 1;
    margin-top: var(--spacing-sm);
}
.food-card-cal-value {
    font-size: var(--text-h2);
    font-weight: 700;
    color: var(--color-accent-green);
}
.food-card-cal-unit {
    font-size: var(--text-small);
    font-weight: 400;
    color: var(--color-text-tertiary);
    margin-left: 6px;
}

/* Mini macro progress bars in card */
.food-card-macros {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}
.food-card-macro-item {
    text-align: center;
}
.food-card-macro-value {
    font-size: var(--text-body);
    font-weight: 700;
    display: block;
}
.food-card-macro-value.protein { color: var(--color-macro-protein); }
.food-card-macro-value.carbs { color: var(--color-macro-carbs); }
.food-card-macro-value.fat { color: var(--color-macro-fat); }
.food-card-macro-label {
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 4px;
}
.food-card-macro-bar {
    height: 6px;
    background: rgba(255,255,255,0.08);
    border-radius: 3px;
    overflow: hidden;
}
.food-card-macro-fill {
    height: 100%;
    border-radius: 2px;
    transition: width var(--transition-normal);
}
.food-card-macro-fill.protein { background: var(--color-macro-protein); }
.food-card-macro-fill.carbs { background: var(--color-macro-carbs); }
.food-card-macro-fill.fat { background: var(--color-macro-fat); }

/* === Empty State === */
.foods-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: var(--text-body-lg);
    padding: var(--spacing-2xl) 0;
}

/* === CTA (same as blog-cta) === */
.food-cta {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin-top: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
.food-cta h2 {
    font-size: var(--text-h3);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-sm);
}
.food-cta p {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    margin: 0 0 var(--spacing-md);
    line-height: 1.6;
}
.food-cta-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}
.food-cta-badges img {
    height: 48px;
    width: auto;
    transition: opacity var(--transition-fast);
}
.food-cta-badges a:hover img {
    opacity: 0.8;
}

/* ==========================================================================
   DETAIL PAGE
   ========================================================================== */

/* === Main Wrapper === */
.food-detail {
    padding-top: calc(80px + var(--spacing-md));
    padding-bottom: var(--spacing-2xl);
}
.food-detail .container {
    max-width: 800px;
}
.food-detail h1 {
    font-size: clamp(32px, 5vw, 44px);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-sm);
    letter-spacing: -0.02em;
}
.food-detail h2 {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}
.food-cta h2 {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}
.food-intro {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0 0 var(--spacing-lg);
}
.nutrition-per {
    font-size: var(--text-small);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
}
.foods-source {
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* === Back Link === */
.food-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-tertiary);
    text-decoration: none;
    font-size: var(--text-small);
    font-weight: 500;
    transition: color var(--transition-fast);
    margin-bottom: var(--spacing-md);
}
.food-back:hover {
    color: var(--color-accent-green);
}

/* === Nutrition Overview Card === */
.nutrition-card {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}
.nutrition-big-number {
    font-size: clamp(48px, 8vw, 72px);
    font-weight: 700;
    color: var(--color-accent-green);
    line-height: 1;
    margin-bottom: 4px;
}
.nutrition-big-number span {
    font-size: var(--text-body-lg);
    font-weight: 400;
    color: var(--color-text-tertiary);
    margin-left: 8px;
}

/* === Nutrition Header (kcal + illustration) === */
.nutrition-header.has-illustration {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}
.nutrition-header-text {
    flex: 1;
}
.nutrition-header-illustration {
    height: 100px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

/* === Macro Grid (P / C / F) === */
.nutrition-macros {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}
.nutrition-macro-item {
    text-align: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
    border-top: 3px solid transparent;
}
.nutrition-macro-item.protein { border-top-color: var(--color-macro-protein); }
.nutrition-macro-item.carbs { border-top-color: var(--color-macro-carbs); }
.nutrition-macro-item.fat { border-top-color: var(--color-macro-fat); }

.nutrition-macro-item .macro-value {
    font-size: var(--text-h3);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}
.nutrition-macro-item .macro-unit {
    font-size: var(--text-caption);
    font-weight: 400;
    color: var(--color-text-tertiary);
    margin-left: 2px;
}
.nutrition-macro-item .macro-label {
    display: block;
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === Detail page — 3 separate macro progress rows === */
.macro-progress {
    margin-top: var(--spacing-md);
}
.macro-progress-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}
.macro-progress-label {
    width: 70px;
    font-size: var(--text-small);
    color: var(--color-text-secondary);
    flex-shrink: 0;
}
.macro-progress-bar {
    flex: 1;
    height: 8px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    overflow: hidden;
}
.macro-progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width var(--transition-normal);
}
.macro-progress-fill.protein { background: var(--color-macro-protein); }
.macro-progress-fill.carbs { background: var(--color-macro-carbs); }
.macro-progress-fill.fat { background: var(--color-macro-fat); }
.macro-progress-value {
    width: 40px;
    text-align: right;
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

/* === Portion Calculator (slider) === */
.food-calc {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
}
.food-calc h2 {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}
.food-calc-input {
    margin-bottom: var(--spacing-md);
}
.food-calc-input label {
    display: block;
    font-size: var(--text-small);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}
.food-calc-slider-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}
.food-calc-slider-row input[type="range"] {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
}
.food-calc-slider-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-accent-green);
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
}
.food-calc-slider-row input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-accent-green);
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
}
.food-calc-grams {
    font-size: var(--text-h3);
    font-weight: 700;
    color: var(--color-text-primary);
    min-width: 70px;
    text-align: right;
}
.food-calc-sentence {
    font-size: var(--text-body-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}
.food-calc-sentence strong {
    font-size: var(--text-h2);
    color: var(--color-accent-green);
}
.food-calc-macros {
    display: flex;
    gap: var(--spacing-lg);
    font-size: var(--text-body);
    color: var(--color-text-secondary);
}
.food-calc-macro strong {
    color: var(--color-text-primary);
    font-weight: 600;
}
.food-calc-macro.protein strong { color: var(--color-macro-protein); }
.food-calc-macro.carbs strong { color: var(--color-macro-carbs); }
.food-calc-macro.fat strong { color: var(--color-macro-fat); }

@media (max-width: 480px) {
    .food-calc-macros {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    .food-calc-sentence strong {
        font-size: var(--text-h3);
    }
}

/* === Portion Table === */
.portion-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}
.portion-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-small);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.portion-table thead th {
    background: rgba(76, 175, 80, 0.15);
    color: var(--color-text-primary);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}
.portion-table tbody td {
    padding: 10px 16px;
    color: var(--color-text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.portion-table tbody tr:last-child td {
    border-bottom: none;
}
.portion-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}
.portion-table tbody td:first-child {
    font-weight: 500;
    color: var(--color-text-primary);
}

/* === Nutrition Facts Table === */
.nutrition-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}
.nutrition-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-body);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.nutrition-table thead th {
    background: rgba(76, 175, 80, 0.15);
    color: var(--color-text-primary);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}
.nutrition-table tbody td {
    padding: 10px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.nutrition-table tbody tr:last-child td {
    border-bottom: none;
}
.nutrition-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}
.nutrition-table tbody td:first-child {
    color: var(--color-text-secondary);
}
.nutrition-table thead th:last-child {
    text-align: right;
}
.nutrition-table tbody td:last-child {
    color: var(--color-text-primary);
    font-weight: 500;
    text-align: right;
}
/* Highlight row (e.g. Calories) */
.nutrition-row-highlight {
    background: rgba(76, 175, 80, 0.08);
}
.nutrition-row-highlight td {
    font-weight: 600;
    color: var(--color-text-primary);
}

/* === Variations Section === */
.food-variations {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}
.food-variation-card {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}
.food-variation-card:hover {
    background: var(--color-bg-card-hover);
}
.food-variation-card h3 {
    font-size: var(--text-body);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-xs);
}
.food-variation-card p {
    font-size: var(--text-small);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}
.food-variation-card .variation-kcal {
    font-size: var(--text-body-lg);
    font-weight: 700;
    color: var(--color-accent-green);
    margin-top: var(--spacing-xs);
}

/* === FAQ — uses global .faq-section + .faq-item from style.css === */
/* Detail page h2 above FAQ should have consistent spacing */
.food-detail .faq-section {
    margin-bottom: var(--spacing-lg);
}

/* === Quick Answer Box === */
.food-answer-box {
    border-left: 4px solid var(--color-accent-green);
    background: rgba(76, 175, 80, 0.08);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}
.food-answer-text {
    font-size: var(--text-body-lg);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-xs);
}
.food-answer-number {
    font-size: clamp(36px, 6vw, 48px);
    color: var(--color-accent-green);
    margin: 0 6px;
}
.food-answer-macros {
    font-size: var(--text-small);
    color: var(--color-text-secondary);
    margin: 0;
}

/* === Table of Contents (pill nav) === */
.food-toc {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--spacing-md);
}
.food-toc a {
    display: inline-flex;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-caption);
    font-weight: 500;
    transition: all var(--transition-fast);
}
.food-toc a:hover {
    border-color: var(--color-accent-green);
    color: var(--color-accent-green);
    background: rgba(76, 175, 80, 0.08);
}

/* === Inline CTA === */
.food-inline-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}
.food-inline-cta p {
    margin: 0;
    font-size: var(--text-small);
    color: var(--color-text-secondary);
}
.food-inline-cta-link {
    white-space: nowrap;
    color: var(--color-accent-green);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-small);
}
.food-inline-cta-link:hover {
    text-decoration: underline;
}

/* === Compare Table === */
.food-compare-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}
.food-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-small);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.food-compare-table thead th {
    background: rgba(76, 175, 80, 0.15);
    color: var(--color-text-primary);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}
.food-compare-table tbody td {
    padding: 10px 16px;
    color: var(--color-text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.food-compare-table tbody tr:last-child td { border-bottom: none; }
.food-compare-table tbody td a {
    color: var(--color-accent-green);
    text-decoration: none;
}
.food-compare-table tbody td a:hover { text-decoration: underline; }
.food-compare-current {
    background: rgba(76, 175, 80, 0.05);
}
.food-compare-current td {
    color: var(--color-text-primary);
}
.food-compare-summary {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* === Related Food Links (SEO internal links) === */
.food-related-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}
.food-related-link {
    display: inline-flex;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-small);
    transition: all var(--transition-fast);
}
.food-related-link:hover {
    border-color: var(--color-accent-green);
    color: var(--color-accent-green);
    background: rgba(76, 175, 80, 0.08);
}
.food-related-link strong {
    color: var(--color-accent-green);
    margin-left: 4px;
}

/* Active nav highlight */
.nav-link-active { color: #4CAF50 !important; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Tablet */
@media (max-width: 768px) {
    .foods-grid {
        grid-template-columns: 1fr;
    }
    .food-card-name {
        font-size: 24px;
    }
    .food-card-cal-value {
        font-size: var(--text-h3);
    }
    .nutrition-card {
        padding: var(--spacing-md);
    }
    .nutrition-big-number {
        font-size: 48px;
    }
    .nutrition-macros {
        gap: var(--spacing-sm);
    }
    .food-variations {
        grid-template-columns: 1fr;
    }
    .food-cta {
        padding: var(--spacing-lg);
    }
    .portion-table,
    .nutrition-table {
        font-size: var(--text-caption);
    }
    .portion-table thead th,
    .portion-table tbody td,
    .nutrition-table thead th,
    .nutrition-table tbody td {
        padding: 8px 12px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .foods-listing {
        padding-top: calc(80px + var(--spacing-lg));
    }
    .foods-filter {
        gap: 3px;
        padding: var(--spacing-xs) 0;
    }
    .foods-filter-letter {
        min-width: 30px;
        height: 30px;
        font-size: var(--text-caption);
    }
    .food-card-name {
        font-size: 24px;
    }
    .nutrition-macros {
        grid-template-columns: 1fr;
    }
    .nutrition-macro-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        text-align: left;
        padding: var(--spacing-sm);
    }
    .nutrition-macro-item .macro-label {
        margin-top: 0;
        order: -1;
    }
    .food-cta {
        padding: var(--spacing-md);
    }
    .food-cta-badges {
        flex-direction: column;
    }
    .macro-progress-label {
        width: 55px;
        font-size: var(--text-caption);
    }
    .food-inline-cta {
        flex-direction: column;
        text-align: center;
    }
    .food-toc {
        gap: 6px;
    }
    .food-toc a {
        padding: 4px 10px;
        font-size: 11px;
    }
}