/* ============================================================
   KidneyFoods — Main Stylesheet
   Mobile-first | No framework dependency
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
    --primary:       #0891b2;
    --primary-dark:  #0e7490;
    --primary-light: #ecfeff;

    --safe:     #059669;
    --moderate: #d97706;
    --limit:    #ea580c;
    --avoid:    #dc2626;

    --gray-50:  #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    --radius:    6px;
    --radius-lg: 10px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow:    0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-lg: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);

    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: 0.2s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--gray-50);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.main-content {
    flex: 1;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: var(--font); }

/* ---- Layout ---- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ---- Site Header ---- */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    height: 64px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    white-space: nowrap;
}
.logo-icon { font-size: 1.5rem; }
.logo-text { color: var(--gray-900); }
.logo-text span { color: var(--primary); }

.main-nav {
    display: none;
    gap: 4px;
    align-items: center;
    margin-left: auto;
}
.nav-link {
    padding: 6px 12px;
    border-radius: var(--radius);
    font-weight: 500;
    color: var(--gray-600);
    transition: all 0.15s;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.nav-link:hover, .nav-link.active { 
    color: var(--primary); 
    background: var(--primary-light); 
}
.nav-donate { color: var(--gray-600); font-weight: 500; }
.nav-donate:hover { color: var(--primary); background: var(--primary-light); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}
.nav-toggle {
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--gray-700);
    padding: 4px 8px;
}
.supporter-star { font-size: 0.7rem; }

@media (min-width: 768px) {
    .main-nav { display: flex; }
    .nav-toggle { display: none; }
    .header-actions { margin-left: 0; }
}

/* Mobile nav open */
.site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    z-index: 99;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-sm { padding: 6px 14px; font-size: 0.875rem; border-radius: 8px; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); color: var(--primary); }

.btn-ghost { background: transparent; color: var(--gray-700); border-color: var(--gray-200); }
.btn-ghost:hover { background: var(--gray-100); }

.btn-danger { background: #fee2e2; color: var(--avoid); border-color: #fca5a5; }
.btn-danger:hover { background: var(--avoid); color: #fff; }

.btn-kofi { background: #ff5f5f; color: #fff; border-color: #ff5f5f; font-size: 1rem; }
.btn-kofi:hover { background: #e54e4e; border-color: #e54e4e; color: #fff; }

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 11px 16px;
    border: 1.5px solid #dadce0;
    border-radius: 8px;
    background: #fff;
    color: #3c4043;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(60,64,67,.08);
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn-google:hover {
    background: #f8faff;
    border-color: #b0b8c4;
    box-shadow: 0 2px 6px rgba(60,64,67,.15);
    color: #1a1a1a;
    text-decoration: none;
}
.btn-google:active {
    background: #f1f3f4;
    box-shadow: none;
}

/* ---- Flash Messages ---- */
.flash {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    font-weight: 500;
}
.flash button { background: none; border: none; font-size: 1rem; cursor: pointer; opacity: 0.7; }
.flash-success { background: #dcfce7; color: #166534; }
.flash-error { background: #fee2e2; color: #991b1b; }

/* ---- Badges ---- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.badge-safe { background: #d1fae5; color: #065f46; }
.badge-moderate { background: #fef3c7; color: #78350f; }
.badge-limit { background: #fed7aa; color: #7c2d12; }
.badge-avoid { background: #fee2e2; color: #7f1d1d; }

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }
.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--gray-700);
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 1rem;
    font-family: var(--font);
    color: var(--gray-900);
    background: #fff;
    transition: border-color var(--transition);
    outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(8,145,178,.12);
}

/* ---- Cards (general) ---- */
.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

/* ============================================================
   FOOD CARDS — Based on your sketch
   ============================================================ */
.food-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.food-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}
.food-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}
.food-card-image-wrap {
    width: 100%;
    height: 190px;
    background: var(--gray-100);
    border: 2px solid var(--gray-200);
    overflow: hidden;
    position: relative;
    border-radius: var(--radius) var(--radius) 0 0;
    flex-shrink: 0;
}
.food-card-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.food-card-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    color: var(--gray-300);
    font-size: 0;
}
.food-card-image-placeholder svg {
    width: 32px;
    height: 32px;
    color: var(--gray-300);
}
.food-card-rating {
    position: absolute;
    top: 10px;
    right: 10px;
}

.food-card-body {
    padding: 14px 16px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.food-card-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 2px;
    text-align: center;
}
.food-card-meta {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-align: center;
    margin-bottom: 12px;
}
.food-card-meta strong { color: var(--gray-700); }

.food-nutrients {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    padding: 10px 12px;
    margin-top: auto;
}
.nutrient-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 3px 0;
    border-bottom: 1px solid var(--gray-100);
}
.nutrient-row:last-child { border-bottom: none; }
.nutrient-label {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--gray-700);
}
.nutrient-value {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--gray-900);
}

.food-card-actions {
    padding: 0 16px 14px;
    display: flex;
    gap: 8px;
}
.food-card-actions .btn { flex: 1; justify-content: center; }

/* ---- CKD Summary Card (Food Detail Sidebar) ---- */
.ckd-summary-card {
    margin-top: 16px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 14px 16px;
}
.ckd-summary-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray-400);
    margin-bottom: 10px;
}

/* ---- Serving Size Adjuster ---- */
.serving-adjuster {
    background: var(--primary-light);
    border: 1px solid rgba(22,163,127,0.2);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin: 14px 0 20px;
}
.serving-adjuster-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    margin-bottom: 10px;
    color: var(--gray-700);
    flex-wrap: wrap;
    gap: 4px;
}
.serving-adjuster-header strong {
    color: var(--primary-dark);
    font-size: 0.9rem;
}
.serving-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: rgba(22,163,127,0.25);
    outline: none;
    cursor: pointer;
}
.serving-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(22,163,127,0.4);
    border: 2px solid #fff;
}
.serving-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(22,163,127,0.4);
}
.serving-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--gray-400);
    margin-top: 4px;
}

/* ---- Food Notes & Rating boxes ---- */
.food-notes-box {
    background: var(--primary-light);
    border: 1px solid rgba(22,163,127,0.2);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-top: 16px;
}
.food-notes-title {
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--primary-dark);
    font-size: 0.9rem;
}
.food-notes-box p {
    font-size: 0.875rem;
    color: var(--gray-700);
    margin: 0;
}
.food-rating-box {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.6;
}
.food-rating-box strong { color: var(--gray-700); }

/* ---- Affiliate Section ---- */
.affiliate-section {
    margin: 40px 0;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.affiliate-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--gray-100);
}
.affiliate-title {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 4px;
}
.affiliate-sub {
    font-size: 0.8rem;
    color: var(--gray-400);
    margin: 0;
}
.affiliate-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}
@media (min-width: 640px) {
    .affiliate-grid { grid-template-columns: 1fr 1fr; }
}
.affiliate-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-100);
    border-right: none;
    text-decoration: none;
    color: var(--gray-900);
    transition: background var(--transition);
}
.affiliate-card:last-child { border-bottom: none; }
@media (min-width: 640px) {
    .affiliate-card:nth-child(odd) { border-right: 1px solid var(--gray-100); }
    .affiliate-card:nth-last-child(-n+2) { border-bottom: none; }
}
.affiliate-card:hover { background: var(--gray-50); }
.affiliate-logo {
    flex-shrink: 0;
    width: 80px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.affiliate-logo-amazon  { background: #ff9900; color: #111; }
.affiliate-logo-walmart { background: #0071ce; color: #fff; }
.affiliate-logo-instacart { background: #00b140; color: #fff; }
.affiliate-logo-thrive  { background: #1a1a2e; color: #e0b84f; }
.affiliate-info { flex: 1; }
.affiliate-name { font-weight: 700; font-size: 0.9rem; }
.affiliate-desc { font-size: 0.75rem; color: var(--gray-400); margin-top: 2px; }
.affiliate-arrow { color: var(--gray-300); font-size: 1.1rem; flex-shrink: 0; }
.affiliate-card:hover .affiliate-arrow { color: var(--primary); }
.affiliate-disclosure {
    padding: 12px 24px;
    border-top: 1px solid var(--gray-100);
    font-size: 0.75rem;
    color: var(--gray-400);
    background: var(--gray-50);
    line-height: 1.5;
}
.affiliate-disclosure strong { color: var(--gray-500); }

/* ---- Food Detail Page ---- */
.food-detail-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin: 32px 0;
}
@media (min-width: 768px) {
    .food-detail-layout { grid-template-columns: 360px 1fr; }
}

.food-detail-image-wrap {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gray-100);
    border: 2px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
}
.food-detail-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.food-detail-info h1 { font-size: 1.8rem; margin-bottom: 8px; }
.food-detail-serving {
    color: var(--gray-500);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.nutrient-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 20px 0;
}
.nutrient-detail-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 14px 16px;
}
.nutrient-detail-card .nd-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}
.nutrient-detail-card .nd-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--gray-900);
}
.nutrient-detail-card .nd-unit {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* CKD bar */
.ckd-bar-wrap { margin: 6px 0 0; }
.ckd-bar-track {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 4px;
}
.ckd-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease;
}
.ckd-bar-label { font-size: 0.7rem; color: var(--gray-400); margin-top: 2px; }

/* ============================================================
   CATEGORY TABS
   ============================================================ */
.category-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 24px 0;
}
.cat-tab {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius);
    border: 1.5px solid var(--gray-200);
    background: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.cat-tab:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.cat-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.cat-tab-count {
    background: rgba(0,0,0,0.12);
    color: inherit;
    border-radius: 100px;
    padding: 2px 9px;
    font-size: 0.78rem;
    font-weight: 700;
}

/* Mobile: 2-column grid */
@media (max-width: 600px) {
    .category-tabs {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .cat-tab {
        padding: 12px 14px;
        font-size: 0.875rem;
        justify-content: space-between;
    }
}

/* ---- Search Bar ---- */
.search-bar-wrap {
    position: relative;
    max-width: 480px;
}
.search-bar-wrap input {
    padding-left: 44px;
}
.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 1.1rem;
    pointer-events: none;
}

/* ============================================================
   MEAL CALCULATOR PAGE
   ============================================================ */
.calculator-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 24px 0;
}
@media (min-width: 900px) {
    .calculator-layout { grid-template-columns: 1fr 400px; align-items: start; }
}

/* Calculator: Category Filter Tabs */
.calc-cat-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    padding-bottom: 4px;
}
.calc-cat-tab {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1.5px solid var(--gray-200);
    background: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}
.calc-cat-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}
.calc-cat-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* Left: ingredient search panel */
.calc-panel {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}
.calc-panel-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    font-weight: 700;
    font-size: 1rem;
    background: var(--gray-50);
    display: flex;
    align-items: center;
    gap: 8px;
}
.calc-panel-body { padding: 16px 20px; }

/* Ingredient search results */
#ingredientResults {
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    margin-top: 10px;
    background: #fff;
}
.ingredient-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: background var(--transition);
}
.ingredient-result-item:last-child { border-bottom: none; }
.ingredient-result-item:hover { background: var(--primary-light); }
.iri-icon { font-size: 1.5rem; }
.iri-info { flex: 1; }
.iri-name { font-weight: 600; font-size: 0.9rem; }
.iri-meta { font-size: 0.75rem; color: var(--gray-500); }
.iri-badge { flex-shrink: 0; }

/* Current meal items */
#mealItems { margin-top: 8px; }
.meal-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
}
.meal-item:last-child { border-bottom: none; }
.mi-icon { font-size: 1.3rem; flex-shrink: 0; }
.mi-info { flex: 1; min-width: 0; }
.mi-name { font-weight: 600; font-size: 0.9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mi-nutrients { font-size: 0.75rem; color: var(--gray-500); }
.mi-qty {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}
.mi-qty-btn {
    width: 32px;
    height: 36px;
    border: 1.5px solid var(--gray-200);
    border-radius: 8px;
    background: var(--gray-50);
    color: var(--gray-700);
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}
.mi-qty-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}
.mi-qty-btn:active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.mi-qty input {
    width: 68px;
    height: 36px;
    padding: 0 6px;
    border: 1.5px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    color: var(--gray-800);
}
.mi-qty input:focus {
    outline: none;
    border-color: var(--primary);
}
.mi-unit { font-size: 0.78rem; color: var(--gray-500); font-weight: 500; }
.mi-remove {
    background: none;
    border: none;
    color: var(--gray-400);
    font-size: 1.1rem;
    padding: 4px;
    transition: color var(--transition);
}
.mi-remove:hover { color: var(--avoid); }
.meal-empty {
    text-align: center;
    color: var(--gray-400);
    padding: 32px 0;
    font-size: 0.95rem;
}

/* Right: totals panel */
.calc-totals-panel {
    position: sticky;
    top: 80px;
}

.nutrient-total-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
}
.nutrient-total-row:last-child { border-bottom: none; }
.ntr-label { flex: 1; font-weight: 600; font-size: 0.9rem; color: var(--gray-700); }
.ntr-value { font-weight: 800; font-size: 1.05rem; }
.ntr-limit { font-size: 0.75rem; color: var(--gray-400); }
.ntr-bar-wrap { width: 100%; }
.ntr-bar-track {
    height: 6px;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 4px;
}
.ntr-bar-fill { height: 100%; border-radius: 3px; transition: width 0.4s ease; }

/* ---- Save Meal Panel ---- */
.save-meal-box {
    margin-top: 16px;
    padding: 16px;
    background: var(--primary-light);
    border: 1px solid rgba(22,163,127,0.2);
    border-radius: var(--radius);
}
.save-meal-box h4 { font-size: 0.95rem; margin-bottom: 8px; color: var(--primary-dark); }
.save-counter { font-size: 0.8rem; color: var(--gray-500); margin-top: 6px; }
.save-counter.limit-reached { color: var(--avoid); }

/* ---- Print / Export ---- */
@media print {
    .site-header, .site-footer, .calc-panel, .no-print, .header-actions, .btn { display: none !important; }
    .calculator-layout { grid-template-columns: 1fr !important; }
    .calc-totals-panel { position: static !important; }
    body { background: #fff; }
    .print-header { display: block !important; }
}
.print-header {
    display: none;
    text-align: center;
    margin-bottom: 24px;
}

/* ============================================================
   HOMEPAGE
   ============================================================ */
.hero {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 72px 0;
    text-align: center;
}
.hero h1 {
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 540px;
    margin: 0 auto 28px;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.stats-bar {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 20px 0;
}
.stats-bar-inner {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number { color: var(--primary); }
.stat-label { font-size: 0.8rem; color: var(--gray-500); font-weight: 500; }

.section { padding: 48px 0; }
.section-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.section-subtitle { color: var(--gray-500); margin-bottom: 28px; }

/* Category cards on homepage */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}
.category-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: var(--gray-900);
}
.category-card:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}
.category-card-icon { font-size: 2.5rem; margin-bottom: 10px; }
.category-card-name { font-weight: 700; font-size: 0.9rem; }
.category-card-count { font-size: 0.75rem; color: var(--gray-400); margin-top: 4px; }

/* How it works */
.how-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
}
.how-item {
    text-align: center;
    padding: 24px 20px;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}
.how-icon { 
    font-size: 0;
    margin-bottom: 12px; 
    display: flex;
    align-items: center;
    justify-content: center;
}
.how-icon svg { width: 32px; height: 32px; color: var(--primary); }
.how-title { font-weight: 700; margin-bottom: 6px; }
.how-desc { font-size: 0.875rem; color: var(--gray-500); }

/* CTA banner */
.cta-banner {
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
}
.cta-banner h2 { font-size: 1.6rem; margin-bottom: 8px; }
.cta-banner p { opacity: 0.85; margin-bottom: 20px; }
.cta-banner .btn-primary { background: #fff; color: var(--primary); border-color: #fff; }
.cta-banner .btn-primary:hover { background: var(--gray-100); }

/* ============================================================
   AUTH PAGES (login/register)
   ============================================================ */
.auth-page {
    min-height: calc(100vh - 130px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
}
.auth-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    padding: 36px 32px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow);
}
.auth-card h1 { font-size: 1.5rem; font-weight: 800; margin-bottom: 4px; }
.auth-card .auth-sub { color: var(--gray-500); margin-bottom: 24px; }
.auth-divider { text-align: center; margin: 16px 0; color: var(--gray-400); font-size: 0.85rem; position: relative; }
.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gray-200);
}
.auth-divider span { position: relative; background: #fff; padding: 0 12px; }

/* ============================================================
   DASHBOARD
   ============================================================ */
.dashboard-header {
    background: var(--gray-50);
    padding: 32px 0;
    border-bottom: 1px solid var(--gray-200);
}
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin: 24px 0;
}
.dash-stat {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 16px 20px;
    text-align: center;
}
.dash-stat-num { font-size: 2rem; font-weight: 900; color: var(--primary); }
.dash-stat-label { font-size: 0.8rem; color: var(--gray-500); font-weight: 500; }

.saved-meal-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--gray-100);
}
.saved-meal-item:last-child { border-bottom: none; }
.smi-info { flex: 1; }
.smi-name { font-weight: 700; margin-bottom: 2px; }
.smi-meta { font-size: 0.8rem; color: var(--gray-500); }
.smi-nutrients {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.smi-nutrient { font-size: 0.75rem; background: var(--gray-100); padding: 2px 8px; border-radius: 100px; font-weight: 600; }

/* ============================================================
   DONATE PAGE
   ============================================================ */
.donate-hero {
    text-align: center;
    padding: 60px 0 40px;
}
.donate-hero h1 { font-size: 2rem; font-weight: 900; margin-bottom: 12px; }
.donate-hero p { font-size: 1.05rem; color: var(--gray-500); max-width: 500px; margin: 0 auto 28px; }

.perks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin: 32px 0;
}
.perk-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.perk-icon { font-size: 2rem; margin-bottom: 10px; }
.perk-title { font-weight: 700; margin-bottom: 6px; }
.perk-desc { font-size: 0.875rem; color: var(--gray-500); }

.supporter-banner {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 1px solid #f59e0b;
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 24px 0;
}
.supporter-banner-icon { font-size: 3rem; }
.supporter-banner h3 { font-size: 1.1rem; margin-bottom: 4px; }
.supporter-banner p { font-size: 0.875rem; color: #78350f; }

/* ============================================================
   ADMIN
   ============================================================ */
.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: calc(100vh - 64px);
    gap: 0;
}
.admin-sidebar {
    background: var(--gray-900);
    padding: 24px 16px;
    color: #fff;
}
.admin-sidebar h3 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gray-400); margin-bottom: 8px; }
.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--gray-200);
    font-size: 0.9rem;
    transition: all var(--transition);
    margin-bottom: 2px;
}
.admin-nav-link:hover, .admin-nav-link.active { background: rgba(255,255,255,0.1); color: #fff; }
.admin-main { padding: 24px 32px; }

/* ============================================================
   UTILITY
   ============================================================ */
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.font-bold { font-weight: 700; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }

.page-header {
    padding: 32px 0 24px;
    border-bottom: 1px solid var(--gray-200);
    background: #fff;
    margin-bottom: 32px;
}
.page-header h1 { font-size: 1.8rem; font-weight: 900; margin-bottom: 4px; }
.page-header p { color: var(--gray-500); }

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 12px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { color: var(--gray-300); }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}
.empty-state-icon { font-size: 4rem; margin-bottom: 12px; }
.empty-state h3 { font-size: 1.1rem; color: var(--gray-700); margin-bottom: 6px; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
    text-align: left;
    padding: 10px 16px;
    background: var(--gray-50);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    border-bottom: 1px solid var(--gray-200);
}
.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9rem;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--gray-50); }

/* Responsive */
@media (min-width: 640px) {
    .category-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
    .food-grid { grid-template-columns: repeat(4, 1fr); }
    .category-grid { grid-template-columns: repeat(6, 1fr); }
}

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
    background: var(--gray-900);
    color: var(--gray-400);
    margin-top: 64px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0 32px;
}

@media (min-width: 768px) {
    .footer-inner {
        grid-template-columns: 220px 1fr;
        gap: 48px;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.footer-brand .logo-icon {
    font-size: 2rem;
}
.footer-brand strong {
    font-size: 1.1rem;
    color: #fff;
    font-weight: 800;
}
.footer-brand p {
    font-size: 0.875rem;
    color: var(--gray-400);
    line-height: 1.5;
    max-width: 200px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 24px;
}

.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #fff;
    margin-bottom: 12px;
}
.footer-col a {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-bottom: 8px;
    transition: color var(--transition);
}
.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 16px 0;
}
.footer-bottom-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.footer-bottom p {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-align: center;
    line-height: 1.6;
}
.footer-data-credit {
    font-size: 0.75rem !important;
    color: var(--gray-600) !important;
}
.footer-data-credit a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition);
}
.footer-data-credit a:hover {
    color: var(--primary);
}

/* ============================================================
   ADMIN RESPONSIVE
   ============================================================ */
@media (max-width: 767px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }
    .admin-sidebar {
        padding: 16px;
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        align-items: center;
    }
    .admin-sidebar h3 {
        width: 100%;
        margin-bottom: 4px;
    }
    .admin-nav-link {
        padding: 6px 10px;
        font-size: 0.8rem;
        margin-bottom: 0;
    }
    .admin-main {
        padding: 16px;
    }
    .data-table {
        font-size: 0.8rem;
    }
    .data-table th, .data-table td {
        padding: 8px 10px;
    }
}

/* ============================================================
   ADMIN PANEL — Extended Styles
   ============================================================ */

/* Admin layout override — full-height sidebar */
.admin-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: calc(100vh - 64px);
    gap: 0;
}
@media (max-width: 768px) {
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .admin-sidebar.open { display: flex; flex-direction: column; position: fixed; inset: 0; z-index: 200; overflow-y: auto; }
}

.admin-sidebar {
    background: #1a1f2e;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 64px);
    position: sticky;
    top: 64px;
    height: calc(100vh - 64px);
    overflow-y: auto;
}
.admin-logo {
    padding: 20px 16px 14px;
    font-size: 0.95rem;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 8px;
}
.admin-logo a:hover { opacity: 0.85; }

.sidebar-section-label {
    padding: 6px 16px 4px;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #64748b;
    font-weight: 700;
}
.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 16px;
    border-radius: 0;
    color: #94a3b8;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s;
    text-decoration: none;
    position: relative;
}
.admin-nav-link:hover { background: rgba(255,255,255,0.06); color: #e2e8f0; }
.admin-nav-link.active {
    background: rgba(22,163,127,0.15);
    color: #34d399;
    border-right: 3px solid #16a37f;
}
.anl-icon { width: 18px; text-align: center; flex-shrink: 0; }
.anl-badge {
    margin-left: auto;
    background: rgba(255,255,255,0.1);
    color: #94a3b8;
    font-size: 0.7rem;
    padding: 1px 6px;
    border-radius: 100px;
    font-weight: 700;
}

.sidebar-footer {
    margin-top: auto;
    padding: 12px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* Admin main content */
.admin-main {
    padding: 28px 32px;
    background: var(--gray-50);
    min-height: calc(100vh - 64px);
    overflow-x: auto;
}
@media (max-width: 768px) { .admin-main { padding: 16px; } }

/* Admin page header */
.admin-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.admin-page-header h1 {
    font-size: 1.4rem;
    font-weight: 900;
    margin: 0;
}
.admin-page-header .subtitle {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 2px;
}

/* Stat cards row */
.admin-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}
.admin-stat-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.asc-icon  { font-size: 1.6rem; }
.asc-value { font-size: 1.8rem; font-weight: 900; color: var(--gray-900); line-height: 1; margin-top: 4px; }
.asc-label { font-size: 0.78rem; color: var(--gray-500); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.asc-trend { font-size: 0.75rem; color: var(--safe); font-weight: 600; margin-top: 2px; }

/* Admin card / panel */
.admin-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
}
.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    gap: 12px;
    flex-wrap: wrap;
}
.admin-card-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.admin-card-body { padding: 20px; }

/* Improved data table */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.data-table thead th {
    background: var(--gray-50);
    padding: 10px 14px;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray-500);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}
.data-table tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: #fafafa; }

/* Inline action buttons in table */
.action-btns { display: flex; gap: 6px; align-items: center; flex-wrap: nowrap; }

/* Search bar in admin */
.admin-search-wrap {
    position: relative;
    max-width: 320px;
}
.admin-search-wrap input { padding-left: 36px; }
.admin-search-wrap .search-icon {
    position: absolute;
    left: 11px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 0.9rem;
    pointer-events: none;
}

/* Tab nav inside admin card */
.admin-tabs {
    display: flex;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 20px;
    gap: 0;
}
.admin-tab {
    padding: 9px 18px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.15s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: inherit;
}
.admin-tab:hover { color: var(--primary); }
.admin-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Form grid for add/edit */
.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.form-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
@media (max-width: 640px) {
    .form-grid-2, .form-grid-3, .form-grid-4 { grid-template-columns: 1fr 1fr; }
}

/* Toggle switch */
.toggle-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}
.toggle {
    width: 40px; height: 22px;
    background: var(--gray-200);
    border-radius: 11px;
    position: relative;
    transition: background 0.2s;
    flex-shrink: 0;
}
.toggle::after {
    content: '';
    position: absolute;
    width: 16px; height: 16px;
    background: #fff;
    border-radius: 50%;
    top: 3px; left: 3px;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle.on { background: var(--primary); }
.toggle.on::after { transform: translateX(18px); }

/* Image preview */
.img-preview-wrap {
    width: 100%;
    height: 140px;
    border: 2px dashed var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    font-size: 3rem;
    cursor: pointer;
    transition: border-color 0.2s;
    position: relative;
}
.img-preview-wrap:hover { border-color: var(--primary); }
.img-preview-wrap img { width: 100%; height: 100%; object-fit: cover; }
.img-preview-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.5);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
}
.img-preview-wrap:hover .img-preview-overlay { display: flex; }

/* Alert boxes */
.admin-alert {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.875rem;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.admin-alert-info    { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }
.admin-alert-success { background: #f0fdf4; border: 1px solid #86efac; color: #166534; }
.admin-alert-warn    { background: #fef3c7; border: 1px solid #fde68a; color: #92400e; }
.admin-alert-danger  { background: #fee2e2; border: 1px solid #fca5a5; color: #991b1b; }

/* Category color dot */
.cat-dot {
    display: inline-block;
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Recent activity list */
.activity-list { list-style: none; }
.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.85rem;
}
.activity-item:last-child { border-bottom: none; }
.activity-icon {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.activity-text { flex: 1; line-height: 1.4; }
.activity-time { font-size: 0.75rem; color: var(--gray-400); white-space: nowrap; }

/* Settings form section */
.settings-section {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
}
.settings-section-header {
    padding: 14px 20px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.settings-section-body { padding: 20px; }
.settings-row {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-100);
}
.settings-row:last-child { border-bottom: none; }
.settings-row-label { width: 200px; flex-shrink: 0; }
.settings-row-label strong { display: block; font-size: 0.875rem; margin-bottom: 2px; }
.settings-row-label span  { font-size: 0.78rem; color: var(--gray-500); }
.settings-row-input { flex: 1; }
@media (max-width: 640px) {
    .settings-row { flex-direction: column; gap: 8px; }
    .settings-row-label { width: 100%; }
}

/* Meal viewer */
.meal-items-list { font-size: 0.82rem; color: var(--gray-500); }
.meal-items-list span { display: inline-block; margin-right: 4px; }

/* ============================================================
   User Menu Dropdown
   ============================================================ */
.user-menu {
    position: relative;
    display: inline-block;
}
.user-menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    background: transparent;
    border: 1.5px solid var(--gray-300);
    color: var(--gray-700);
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    line-height: 1.4;
    white-space: nowrap;
}
.user-menu-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}
.user-menu-caret {
    font-size: 0.6rem;
    transition: transform .2s;
    margin-left: 2px;
    opacity: 0.6;
}
.user-menu.open .user-menu-caret {
    transform: rotate(180deg);
}
.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,.12);
    min-width: 200px;
    z-index: 999;
    overflow: hidden;
    display: none;
    flex-direction: column;
}
.user-menu.open .user-menu-dropdown {
    display: flex;
    flex-direction: column;
    animation: dropIn .15s ease;
}
@keyframes dropIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}
.user-menu-item {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    transition: background .1s;
    white-space: nowrap;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}
.user-menu-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}
.user-menu-item svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}
.user-menu-divider {
    height: 1px;
    background: var(--gray-100);
    flex-shrink: 0;
}
.user-menu-logout { color: #dc2626; }
.user-menu-logout:hover { background: #fef2f2; color: #b91c1c; }

/* ============================================================
   User Settings Page
   ============================================================ */
.settings-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    overflow: hidden;
}
.settings-card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-100);
    background: var(--gray-50);
}
.settings-card-header h2 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
}
.settings-card-body {
    padding: 24px;
}
.settings-card-danger {
    border-color: #fecaca;
}
.settings-card-danger .settings-card-header {
    background: #fef2f2;
    border-bottom-color: #fecaca;
}
.settings-card-danger .settings-card-header h2 {
    color: #dc2626;
}

/* ============================================================
   Responsive Breakpoints — Mobile First
   ============================================================ */

/* ---- Breadcrumb — always wrappable, current page distinct ---- */
.breadcrumb {
    flex-wrap: wrap;
}
/* separators stay gray-300; last <span> = current page — make it readable */
.breadcrumb > span:last-child {
    color: var(--gray-700);
    font-weight: 500;
    max-width: min(220px, 55vw);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
@media (max-width: 480px) {
    .breadcrumb { font-size: 0.78rem; gap: 4px; }
    .breadcrumb > span:last-child { max-width: 140px; }
}

/* Mobile: stack food grid to 2 cols on small screens */
@media (max-width: 480px) {
    .food-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .food-card-image-wrap { height: 140px; }
    .food-card-name { font-size: 0.875rem; }
    .hero { padding: 40px 0; }
    .hero h1 { font-size: 1.6rem; }
    .section { padding: 32px 0; }
    .category-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .category-card { padding: 16px 12px; }
    .category-card-icon { font-size: 1.8rem; }
    .stats-bar-inner { gap: 24px; }
}

/* Tablet */
@media (min-width: 481px) and (max-width: 767px) {
    .food-grid { grid-template-columns: repeat(2, 1fr); }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---- Food Detail Page — mobile ---- */
@media (max-width: 640px) {
    /* Reduce h1 size */
    .food-detail-info h1 { font-size: 1.35rem; }

    /* Tighter layout gap */
    .food-detail-layout { gap: 20px; margin: 16px 0; }

    /* Nutrient grid: 1 column on very small screens */
    .nutrient-detail-grid { grid-template-columns: 1fr; }
    /* The macros span-2 card: reset to span 1 */
    .nutrient-detail-card[style*="span 2"] { grid-column: span 1 !important; }

    /* Nutrient macro row: allow it to wrap nicely */
    .nutrient-detail-card > div[style*="display:flex"] { gap: 16px; }

    /* Serving slider — hide middle label */
    .serving-slider-labels span:nth-child(2) { display: none; }
    .serving-slider-labels { justify-content: space-between; }

    /* Affiliate section */
    .affiliate-header { padding: 14px 16px; }
    .affiliate-card { padding: 12px 16px; gap: 10px; }
    .affiliate-logo { width: 60px; font-size: 0.6rem; }
    .affiliate-disclosure { padding: 10px 16px; }

    /* Page header */
    .page-header { padding: 20px 0 16px; margin-bottom: 20px; }
    .page-header h1 { font-size: 1.4rem; }
}

/* ---- Calculator responsive ---- */
@media (max-width: 899px) {
    .calc-totals-panel { position: static; }
}

/* ---- Data tables — horizontal scroll on mobile ---- */
@media (max-width: 768px) {
    .admin-card { overflow-x: auto; }
    .data-table { min-width: 600px; }

    /* Stats bar gap reduction */
    .stats-bar-inner { gap: 28px; }
}

/* ---- Admin responsive ---- */
@media (max-width: 768px) {
    .admin-layout { flex-direction: column; }
    .admin-sidebar { width: 100%; height: auto; }
    .admin-sidebar-nav { display: flex; flex-wrap: wrap; gap: 4px; padding: 8px; }
    .admin-main { padding: 16px; }
    .admin-stats-row { grid-template-columns: repeat(2, 1fr); }
    .data-table { font-size: 0.8rem; }

    /* Form grids */
    .form-grid-3, .form-grid-4 { grid-template-columns: 1fr 1fr; }
}

/* ---- Very small screens (< 360px) ---- */
@media (max-width: 360px) {
    .food-grid { grid-template-columns: 1fr; }
    .nutrient-detail-grid { grid-template-columns: 1fr; }
    .food-detail-info h1 { font-size: 1.2rem; }
    .btn { padding: 8px 14px; font-size: 0.875rem; }
}