/* =========================================
   FOODSCAN — FRESH GREEN UI
   Clean, modern, responsive design
   ========================================= */

:root {
    --green: #16834a;
    --green-dark: #106b3b;
    --green-light: #eaf7ef;
    --green-soft: #f4fbf6;
    --text: #183126;
    --text-muted: #718078;
    --background: #f5f8f5;
    --surface: #ffffff;
    --border: #e2ebe4;
    --shadow: 0 8px 28px rgba(27, 74, 45, 0.07);
    --radius: 22px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background: var(--background);
    color: var(--text);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 90px;
}

/* Main application */

.app {
    width: 100%;
    max-width: 480px;
    min-height: 100vh;
    margin: 0 auto;
    position: relative;
    background: var(--surface);
    box-shadow: 0 0 50px rgba(28, 65, 41, 0.05);
    padding-bottom: 30px;
}

/* Header */

header,
.header {
    position: relative;
    overflow: hidden;
    padding: 30px 24px 34px;
    color: white;
    background: linear-gradient(
        135deg,
        #16834a 0%,
        #20a45d 60%,
        #36b96e 100%
    );
    border-radius: 0 0 30px 30px;
}

header::after {
    content: "";
    position: absolute;
    width: 170px;
    height: 170px;
    right: -65px;
    top: -75px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.09);
    pointer-events: none;
}

header h1 {
    position: relative;
    z-index: 1;
    font-size: 29px;
    font-weight: 800;
    letter-spacing: -0.8px;
}

header p {
    position: relative;
    z-index: 1;
    margin-top: 7px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.88);
    letter-spacing: 0.2px;
}

/* Main content */

main,
.main {
    padding: 28px 22px;
}

section {
    scroll-margin-top: 20px;
}

/* Welcome section */

.welcome {
    margin-bottom: 26px;
}

.welcome h2 {
    font-size: 25px;
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -0.6px;
    color: var(--text);
}

.welcome p {
    margin-top: 9px;
    max-width: 300px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
}

/* Open Food Facts product search */

.product-search {
    margin: 22px 0;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--green-soft);
}

.product-search h2 {
    margin-bottom: 13px;
    color: var(--text);
    font-size: 19px;
}

.product-search__form label {
    display: block;
    margin-bottom: 7px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 650;
}

.product-search__controls {
    display: flex;
    gap: 8px;
}

.product-search__controls input {
    min-width: 0;
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    font: inherit;
}

.product-search__controls input:focus-visible {
    outline: 3px solid #83d8a1;
    outline-offset: 2px;
}

.product-search__controls button,
.product-search-result button {
    min-height: 44px;
    padding: 10px 14px;
    border: 0;
    border-radius: 12px;
    background: var(--green);
    color: #fff;
    font-size: 13px;
    font-weight: 750;
    cursor: pointer;
}

.product-search__status {
    margin: 10px 0 0;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.5;
}

.product-search__status--error {
    color: #85461f;
}

.product-search__status--loading::before {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-right: 8px;
    border: 2px solid #cfe8d6;
    border-top-color: var(--green);
    border-radius: 50%;
    content: "";
    vertical-align: -2px;
    animation: spin 0.8s linear infinite;
}

.product-search__controls button:disabled {
    cursor: wait;
    opacity: 0.75;
}

.product-search__controls input:disabled,
.product-search-result button:disabled {
    cursor: wait;
    opacity: 0.72;
}

.product-search__results:empty,
.product-search__status:empty {
    display: none;
}

.product-search-result {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 12px;
    margin-top: 10px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
}

.product-search-result__image,
.product-search-result__image-placeholder {
    width: 64px;
    height: 64px;
    border-radius: 10px;
    background: var(--green-soft);
    object-fit: contain;
}

.product-search-result__image-placeholder {
    display: grid;
    place-items: center;
    color: var(--text-muted);
    font-size: 10px;
    text-align: center;
}

.product-search-result__body {
    min-width: 0;
}

.product-search-result h3 {
    margin: 0 0 4px;
    overflow-wrap: anywhere;
    color: var(--text);
    font-size: 14px;
}

.product-search-result p {
    margin: 3px 0;
    overflow-wrap: anywhere;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.45;
}

.product-search-result button {
    min-height: 38px;
    margin-top: 8px;
    padding: 8px 11px;
    font-size: 12px;
}

.product-search__attribution {
    margin: 12px 0 0;
    color: var(--text-muted);
    font-size: 10px;
    line-height: 1.5;
}

.product-search__attribution a {
    color: var(--green-dark);
}

/* Scan option cards */

.scan-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
}

.scan-card {
    min-width: 0;
    padding: 20px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--green-soft);
    cursor: pointer;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        border-color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.scan-card:first-child {
    background: linear-gradient(145deg, #edf9f0, #ffffff);
}

.scan-card:nth-child(2) {
    background: linear-gradient(145deg, #f0f7f2, #ffffff);
}

.scan-card:hover {
    transform: translateY(-3px);
    border-color: #a7d9b8;
    box-shadow: var(--shadow);
}

.scan-card:active {
    transform: scale(0.98);
}

.scan-card h3 {
    margin: 0 0 8px;
    color: var(--text);
    font-size: 16px;
    font-weight: 750;
}

.scan-card p {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.6;
}

/* Icons */

.scan-icon,
.icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 18px;
    border-radius: 16px;
    background: #d9f2e1;
    font-size: 25px;
}

/* Buttons */

button {
    font-family: inherit;
    transition:
        transform 0.15s ease,
        filter 0.15s ease,
        box-shadow 0.15s ease;
}

button:hover {
    filter: brightness(0.97);
}

button:active {
    transform: scale(0.98);
}

button:focus-visible,
.scan-card:focus-visible {
    outline: 3px solid #83d8a1;
    outline-offset: 3px;
}

/* Food preview */

#imagePreview {
    margin-top: 28px !important;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

#imagePreview > h2 {
    color: var(--text);
    font-size: 20px;
    margin-bottom: 12px;
}

#previewImage {
    display: block;
    max-width: 100%;
    max-height: 380px;
    object-fit: contain;
    background: var(--green-soft);
}

/* AI result card */

#aiResult {
    margin-top: 18px;
    padding: 22px;
    overflow-wrap: anywhere;
    border: 1px solid #cfe8d6;
    border-radius: 20px;
    background: linear-gradient(145deg, #ffffff 0%, #f6fcf7 100%);
    color: var(--text);
    box-shadow: var(--shadow);
    line-height: 1.6;
    animation: result-enter 0.28s ease both;
}

#aiResult h2 {
    margin-bottom: 14px;
    color: var(--green-dark);
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

#aiResult h3 {
    margin: 18px 0 11px;
    color: var(--text);
    font-size: 16px;
}

#aiResult hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 18px 0;
}

#aiResult p {
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 13px;
}

#aiResult .result-food-name {
    display: block;
    color: var(--text);
    font-size: 25px;
    line-height: 1.2;
    letter-spacing: -0.6px;
}

#aiResult .result-confidence {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--green-light);
    color: var(--green-dark);
}

#aiResult .result-confidence strong {
    color: var(--green-dark);
}

#aiResult small {
    display: inline;
    margin-left: 3px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 650;
}

.nutrition-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.nutrition-grid > div {
    display: flex;
    min-width: 0;
    min-height: 76px;
    flex-direction: column;
    justify-content: space-between;
    gap: 10px;
    padding: 12px;
    border: 1px solid #e1eee4;
    border-radius: 15px;
    background: #ffffff;
    color: var(--text-muted);
    font-size: 12px;
}

.nutrition-grid > div span {
    line-height: 1.35;
}

.nutrition-grid > div strong {
    color: var(--green-dark);
    font-size: 19px;
    font-weight: 800;
    line-height: 1.1;
}

.result-card--loading {
    border-color: #cfe8d6;
}

.result-card--loading h2::before {
    display: inline-block;
    width: 13px;
    height: 13px;
    margin-right: 9px;
    border: 2px solid #cce6d3;
    border-top-color: var(--green);
    border-radius: 50%;
    content: "";
    vertical-align: -2px;
    animation: spin 0.8s linear infinite;
}

.result-card--error {
    border-color: #f0d8c8 !important;
    background: #fffaf6 !important;
}

.result-card--error h2 {
    color: #9b5125;
}

.result-message {
    margin-top: 24px;
    padding: 16px;
    border-radius: 15px;
    font-size: 14px;
    line-height: 1.55;
}

.result-message--loading {
    border: 1px solid #cfe8d6;
    background: var(--green-soft);
    color: var(--green-dark);
}

.result-message--error {
    border: 1px solid #f0d8c8;
    background: #fffaf6;
    color: #85461f;
}

/* Barcode scanner */

#barcodeScanner {
    margin-top: 26px !important;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--green-soft);
    box-shadow: var(--shadow);
}

#barcodeScanner h2 {
    margin-bottom: 12px;
    color: var(--text);
    font-size: 21px;
}

#barcodeScanner p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

#scannerStatus[aria-busy="true"]::before {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-right: 8px;
    border: 2px solid #cfe8d6;
    border-top-color: var(--green);
    border-radius: 50%;
    content: "";
    vertical-align: -2px;
    animation: spin 0.8s linear infinite;
}

#barcodeVideo {
    display: block;
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    background: #101510;
}

/* Scanner and image action buttons */

#imagePreview button,
#barcodeScanner button {
    min-height: 48px;
    font-weight: 700;
}

/* Packaged food result */

#packageResult {
    margin-top: 24px !important;
    overflow: hidden;
    overflow-wrap: anywhere;
    border-radius: var(--radius);
}

#packageResult > div {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #ffffff !important;
    color: var(--text) !important;
    box-shadow: var(--shadow);
}

#packageResult .package-card {
    padding: 20px;
    line-height: 1.6;
}

#packageResult h2 {
    margin: 16px 0;
    color: var(--text);
    font-size: 21px;
}

#packageResult h3 {
    margin: 20px 0 10px;
    color: var(--green-dark);
    font-size: 16px;
}

#packageResult p {
    margin: 9px 0;
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 14px;
}

#packageResult strong {
    color: var(--text);
}

#packageResult hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 16px 0;
}

#packageResult img {
    max-width: 100%;
}

#packageResult .package-nutrition {
    margin: 16px 0;
}

#packageResult .package-nutrition > div strong {
    font-size: 15px;
}

.alternative-suggestions {
    margin: 16px 0;
    padding: 16px;
    border: 1px solid #cce5d3;
    border-radius: 17px;
    background: linear-gradient(145deg, #f0faf3, #ffffff);
}

#packageResult .alternative-suggestions h3 {
    margin: 0 0 8px;
    color: var(--green-dark);
    font-size: 16px;
}

#packageResult .alternative-suggestions p {
    margin: 7px 0 0;
    font-size: 13px;
}

#packageResult .alternative-suggestions__disclaimer {
    padding-top: 8px;
    border-top: 1px solid #dfede2;
    font-size: 11px;
}

/* Recent scans section */

.recent {
    margin-top: 34px;
    padding: 20px 17px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow);
}

.recent h2,
#scanHistory h2 {
    margin-bottom: 16px;
    color: var(--text);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

#noScans {
    padding: 22px 10px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    background: var(--green-soft);
    border-radius: 14px;
}

/* Dynamically created history section */

#scanHistory {
    margin: 24px 0 !important;
    padding: 20px !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    background: #ffffff !important;
    color: var(--text) !important;
    box-shadow: var(--shadow);
}

#scanHistory h2 {
    color: var(--text);
    font-size: 20px;
}

#scanHistory > div {
    border-top: 1px solid var(--border);
    overflow-wrap: anywhere;
}

#scanHistory p {
    line-height: 1.6;
}

#scanHistory button {
    padding: 10px 14px !important;
    border: 1px solid #cce8d4;
    border-radius: 12px;
    background: var(--green-light);
    color: var(--green-dark);
    font-size: 13px;
    font-weight: 700;
}

#scanHistory .scan-history__clear {
    margin-bottom: 8px;
}

.scan-history__status {
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
}

.scan-history__status:empty {
    display: none;
}

.scan-history__status--error {
    color: #85461f;
}

.scan-history__status--success {
    color: var(--green-dark);
}

.history-card {
    padding: 13px 0;
}

.history-card > strong {
    color: var(--text);
    font-size: 14px;
}

.history-date {
    margin: 4px 0;
    color: var(--text-muted);
    font-size: 11px;
}

.history-details {
    margin: 5px 0 0;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.6;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes result-enter {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Bottom navigation */

.bottom-nav {
    position: fixed;
    z-index: 100;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    max-width: 480px;
    min-height: 72px;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -5px 20px rgba(28, 65, 41, 0.05);
    backdrop-filter: blur(14px);
}

.nav-item {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    gap: 4px;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 12px;
    transition: background 0.2s ease;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

.nav-item:hover {
    background: var(--green-soft);
}

.nav-item:focus-visible {
    outline: 3px solid #83d8a1;
    outline-offset: 2px;
}

#foodScanner,
#nutritionTracker,
#nutritionGoals {
    scroll-margin-bottom: 100px;
}

.nav-icon {
    font-size: 21px;
    line-height: 1.2;
}

.bottom-nav span {
    display: block;
    color: inherit;
    font-size: 11px;
    font-weight: 650;
}

/* General text and images */

img {
    height: auto;
}

hr {
    border-color: var(--border);
}

small {
    font-size: 11px;
    line-height: 1.6;
}

/* Tablet and desktop */

@media (min-width: 700px) {
    body {
        padding: 28px 0 100px;
    }

    .app {
        min-height: calc(100vh - 56px);
        border-radius: 28px;
        overflow: hidden;
    }

    header {
        border-radius: 0 0 28px 28px;
    }

    .bottom-nav {
        bottom: 0;
        border-radius: 18px 18px 0 0;
    }

    main,
    .main {
        padding: 30px 26px;
    }
}

/* Small phones */

@media (max-width: 360px) {
    header {
        padding: 25px 18px 30px;
    }

    main,
    .main {
        padding: 22px 15px;
    }

    .scan-options {
        gap: 10px;
    }

    .scan-card {
        padding: 16px 11px;
    }

    .scan-card h3 {
        font-size: 14px;
    }

    .scan-card p {
        font-size: 11px;
    }

    #aiResult,
    #packageResult .package-card {
        padding: 16px;
    }

    .nutrition-grid {
        gap: 8px;
    }

    .nutrition-grid > div {
        min-height: 70px;
        padding: 10px;
    }
}

/* Respect reduced-motion preferences */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* Single-page section navigation */
.app-view[hidden],
#nutritionTracker > [hidden] {
    display: none !important;
}

.scanner-view {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
    gap: 20px;
    min-width: 0;
}

.scanner-view > .welcome {
    grid-column: 1 / -1;
}

.scanner-view > .product-search {
    grid-column: span 7;
}

.scanner-view > #foodScanner {
    grid-column: span 5;
}

.scanner-view > #imagePreview,
.scanner-view > #barcodeScanner,
.scanner-view > #packageResult {
    grid-column: 1 / -1;
    width: 100%;
}

.home-view {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-content: start;
    gap: 21px;
    min-width: 0;
}

.home-view > .home-welcome,
.home-section-heading,
.home-section-cards,
.home-recent {
    grid-column: 1 / -1;
}

.home-welcome {
    position: relative;
    overflow: hidden;
    margin: 0;
    padding: clamp(26px, 5vw, 50px);
    border: 1px solid #dfeae1;
    border-radius: 26px;
    background: linear-gradient(120deg, #f0f7f2 0%, #fbfdfb 68%, #edf5ef 100%);
    box-shadow: 0 12px 32px rgba(30, 57, 41, 0.055);
}

.home-welcome__eyebrow {
    margin-bottom: 9px;
    color: var(--green-dark) !important;
    font-size: 11px !important;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.home-welcome h2 {
    max-width: 720px;
    font-size: clamp(29px, 5vw, 43px);
}

.home-welcome > p:last-child {
    max-width: 650px;
    font-size: 15px;
}

.home-section-heading h2 {
    color: var(--text);
    font-size: 21px;
    font-weight: 760;
    letter-spacing: -0.4px;
}

.home-section-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 15px;
}

.home-section-card {
    display: grid;
    min-width: 0;
    min-height: 205px;
    grid-template-rows: auto auto 1fr auto;
    gap: 8px;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 19px;
    background: #fff;
    box-shadow: 0 8px 22px rgba(30, 57, 41, 0.045);
    color: var(--text);
    text-decoration: none;
    transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.home-section-card:hover {
    transform: translateY(-2px);
    border-color: #bfd4c4;
    box-shadow: 0 14px 28px rgba(30, 57, 41, 0.08);
}

.home-section-card--scanner {
    background: linear-gradient(145deg, #f1f8f3, #fff 75%);
}

.home-section-card__icon {
    display: grid;
    width: 43px;
    height: 43px;
    place-items: center;
    border: 1px solid #dfeae1;
    border-radius: 14px;
    background: #fff;
    color: var(--green-dark);
    font-size: 20px;
}

.home-section-card__title {
    color: var(--text);
    font-size: 17px;
    font-weight: 760;
    letter-spacing: -0.2px;
}

.home-section-card__description {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.55;
}

.home-section-card__action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
    color: var(--green-dark);
    font-size: 12px;
    font-weight: 740;
}

.brand-home {
    color: inherit;
    text-decoration: none;
}

.brand-home:focus-visible {
    border-radius: 4px;
}

.home-recent {
    margin: 2px 0 0;
}

.nutrition-tracker[data-subview="goals"],
.nutrition-tracker[data-subview="profile"] {
    align-content: start;
}

.nutrition-tracker[data-subview="goals"] > #nutritionGoals,
.nutrition-tracker[data-subview="profile"] > #fitnessProfile {
    grid-column: 1 / -1;
    width: 100%;
    margin: 0;
}

.nutrition-tracker[data-subview="goals"] > #nutritionGoals {
    padding: clamp(20px, 4vw, 34px);
}

.nutrition-tracker[data-subview="profile"] > #fitnessProfile {
    padding: clamp(20px, 4vw, 34px);
}

.bottom-nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    width: min(calc(100% - 24px), 820px);
}

.bottom-nav .nav-item.is-active {
    background: #eaf3ec;
    color: var(--green-dark);
}

.bottom-nav .nav-item[aria-current="page"] {
    border-color: #dce9df;
    font-weight: 800;
}

.home-section-card:focus-visible,
.bottom-nav .nav-item:focus-visible {
    outline: none;
    border-color: var(--green);
    box-shadow: var(--focus-ring);
}

@media (max-width: 760px) {
    .scanner-view {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
    }

    .scanner-view > .welcome,
    .scanner-view > .product-search,
    .scanner-view > #foodScanner,
    .scanner-view > #imagePreview,
    .scanner-view > #barcodeScanner,
    .scanner-view > #packageResult {
        grid-column: 1;
    }

    .home-view {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
    }

    .home-view > .home-welcome,
    .home-section-heading,
    .home-section-cards,
    .home-recent {
        grid-column: 1;
    }

    .home-section-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }
}

@media (max-width: 420px) {
    .home-section-cards {
        grid-template-columns: minmax(0, 1fr);
    }

    .home-section-card {
        min-height: 155px;
        padding: 17px;
    }

    .bottom-nav {
        width: calc(100% - 12px);
        gap: 1px;
        padding: 5px;
    }

    .bottom-nav .nav-item {
        font-size: 9px;
    }
}

/* Nutrition result hierarchy */

.nutrition-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-top: 18px;
}

#aiResult .nutrition-heading h3,
#packageResult .nutrition-heading h3 {
    margin: 0;
}

.nutrition-context {
    flex: 0 0 auto;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 650;
}

.nutrition-source {
    margin: 5px 0 12px !important;
    font-size: 12px !important;
}

.nutrition-source--ai {
    color: var(--green-dark) !important;
}

.nutrition-source--off {
    color: #496858 !important;
}

.calorie-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 86px;
    padding: 16px 18px;
    border: 1px solid #c5e5ce;
    border-radius: 18px;
    background: linear-gradient(120deg, #eaf7ee, #f5fbf6);
    color: var(--green-dark);
}

.calorie-card > span {
    font-size: 14px;
    font-weight: 700;
}

.calorie-card > strong {
    display: flex;
    align-items: baseline;
    gap: 5px;
    color: var(--green-dark);
    font-size: clamp(28px, 8vw, 38px);
    font-weight: 850;
    letter-spacing: -1px;
    line-height: 1;
    overflow-wrap: anywhere;
    text-align: right;
}

.calorie-card small,
.macro-card small,
.nutrition-extra-grid small {
    margin-left: 4px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0;
}

.macro-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
    margin-top: 10px;
}

.macro-card {
    display: flex;
    min-width: 0;
    min-height: 105px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    gap: 9px;
    padding: 12px 11px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: #fff;
}

.macro-card > span,
.nutrition-extra-grid > div > span {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 650;
    line-height: 1.3;
}

.macro-indicator {
    display: block;
    width: 25px;
    height: 4px;
    border-radius: 999px;
    background: var(--green);
}

.macro-card--protein .macro-indicator { background: #16834a; }
.macro-card--carbs .macro-indicator { background: #d89b35; }
.macro-card--fat .macro-indicator { background: #6d8ec4; }

.macro-card > strong,
.nutrition-extra-grid > div > strong {
    display: flex;
    align-items: baseline;
    gap: 3px;
    max-width: 100%;
    color: var(--text);
    font-size: clamp(16px, 4.5vw, 20px);
    font-weight: 800;
    line-height: 1.1;
    overflow-wrap: anywhere;
}

.nutrition-extra-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin-top: 9px;
}

.nutrition-extra-grid > div {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: #fbfdfb;
}

.nutrition-extra-grid > div > strong {
    font-size: 15px;
    text-align: right;
}

/* Daily nutrition tracker */

.nutrition-tracker {
    margin-top: 30px;
    padding: 20px 17px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
}

.nutrition-tracker__heading,
.diary-entries-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
}

.nutrition-tracker__eyebrow {
    margin-bottom: 4px;
    color: var(--green-dark);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nutrition-tracker h2 {
    color: var(--text);
    font-size: 20px;
    line-height: 1.25;
}

.nutrition-tracker h3 {
    color: var(--text);
    font-size: 15px;
}

.nutrition-tracker__date-control {
    display: grid;
    flex: 0 0 auto;
    gap: 5px;
}

.nutrition-tracker__date-control label,
.food-diary-add label,
.diary-edit-form label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
}

.nutrition-tracker__date-control input,
.food-diary-add input,
.diary-edit-form input,
.nutrition-goals__field input {
    min-width: 0;
    min-height: 42px;
    padding: 9px 10px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: #fff;
    color: var(--text);
    font: inherit;
}

.nutrition-tracker__date-control input:focus-visible,
.food-diary-add input:focus-visible,
.diary-edit-form input:focus-visible,
.nutrition-goals__field input:focus-visible,
.food-diary-add button:focus-visible,
.diary-entry button:focus-visible,
.nutrition-goals__form button:focus-visible {
    outline: 3px solid #83d8a1;
    outline-offset: 2px;
}

.nutrition-tracker__privacy,
.diary-date-label {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.55;
}

.diary-status,
.diary-add-status,
.diary-edit-status {
    margin-top: 9px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
}

.diary-status:empty,
.diary-add-status:empty,
.diary-edit-status:empty {
    display: none;
}

.diary-status--error,
.diary-add-status--error,
.diary-edit-status--error {
    color: #85461f;
}

.diary-status--success,
.diary-add-status--success,
.diary-edit-status--success {
    color: var(--green-dark);
}

.nutrition-goals__status {
    margin-top: 9px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
}

.nutrition-goals__status:empty {
    display: none;
}

.nutrition-goals__status--error {
    color: #85461f;
}

.nutrition-goals__status--success {
    color: var(--green-dark);
}

.nutrition-goals__status[hidden] {
    display: none;
}

.nutrition-goals {
    margin-top: 17px;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fbfdfb;
}

.nutrition-goals__heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.nutrition-goals__heading h3 {
    margin: 0;
}

.nutrition-goals__date {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 11px;
}

.nutrition-goals__form {
    display: grid;
    gap: 11px;
    margin-top: 12px;
}

.nutrition-goals__fields {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 9px;
}

.nutrition-goals__field {
    display: grid;
    min-width: 0;
    gap: 5px;
}

.nutrition-goals__field label {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
}

.nutrition-goals__field input {
    width: 100%;
}

.nutrition-goals__field input[aria-invalid="true"] {
    border-color: #b65c3a;
}

.nutrition-goals__form button {
    justify-self: start;
    min-height: 42px;
    padding: 9px 14px;
    border: 0;
    border-radius: 11px;
    background: var(--green);
    color: #fff;
    font: inherit;
    font-size: 12px;
    font-weight: 750;
    cursor: pointer;
}

.nutrition-goals__empty {
    margin-top: 12px;
    padding: 11px;
    border-radius: 12px;
    background: #fff;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
}

.nutrition-goals__progress {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin-top: 12px;
}

.nutrition-goal {
    min-width: 0;
    padding: 12px;
    border: 1px solid #cce5d3;
    border-radius: 13px;
    background: #fff;
}

.nutrition-goal h4 {
    margin-bottom: 8px;
    color: var(--text);
    font-size: 13px;
}

.nutrition-goal > p {
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.nutrition-goal > p strong {
    color: var(--text);
    font-weight: 750;
}

.nutrition-goal progress {
    display: block;
    width: 100%;
    height: 10px;
    margin-top: 10px;
    overflow: hidden;
    border: 0;
    border-radius: 999px;
    background: #e7efe9;
    accent-color: var(--green);
}

.nutrition-goal progress::-webkit-progress-bar {
    border-radius: 999px;
    background: #e7efe9;
}

.nutrition-goal progress::-webkit-progress-value {
    border-radius: 999px;
    background: var(--green);
}

.nutrition-goal progress::-moz-progress-bar {
    border-radius: 999px;
    background: var(--green);
}

.nutrition-goal > .nutrition-goal__progress-label {
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 10px;
}

.nutrition-goal > .nutrition-goal__note--incomplete {
    margin-top: 9px;
    color: #755121;
}

.nutrition-goals [hidden] {
    display: none !important;
}

.diary-summary {
    margin-top: 17px;
    padding: 15px;
    border: 1px solid #cce5d3;
    border-radius: 16px;
    background: linear-gradient(145deg, #f0faf3, #fff);
}

.diary-totals,
.diary-entry__nutrients {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 11px;
}

.diary-total,
.diary-entry__nutrient {
    display: grid;
    min-width: 0;
    gap: 5px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
}

.diary-total span,
.diary-entry__nutrient dt {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 650;
}

.diary-total strong,
.diary-entry__nutrient dd {
    color: var(--text);
    font-size: 16px;
    font-weight: 800;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.diary-incomplete {
    margin-top: 10px;
    color: #755121;
    font-size: 11px;
    line-height: 1.5;
}

.diary-entries-heading {
    margin-top: 20px;
    align-items: baseline;
}

.diary-date-label {
    margin-top: 0;
    text-align: right;
}

.diary-empty {
    margin-top: 10px;
    padding: 14px;
    border-radius: 13px;
    background: var(--green-soft);
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.55;
}

.diary-entries {
    display: grid;
    gap: 10px;
    margin-top: 10px;
    list-style: none;
}

.diary-entry {
    min-width: 0;
    padding: 13px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
}

.diary-entry__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.diary-entry__name {
    color: var(--text);
    font-size: 14px;
    overflow-wrap: anywhere;
}

.diary-entry__quantity {
    flex: 0 0 auto;
    color: var(--text-muted);
    font-size: 11px;
    text-align: right;
}

.diary-entry__nutrients {
    margin-top: 10px;
}

.diary-entry__nutrient {
    grid-template-columns: 1fr auto;
    align-items: baseline;
}

.diary-entry__nutrient dd {
    margin: 0;
    font-size: 13px;
    text-align: right;
}

.diary-entry__actions,
.diary-edit-form__controls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 11px;
}

.diary-entry button,
.food-diary-add button {
    min-height: 42px;
    padding: 9px 12px;
    border: 1px solid #cce8d4;
    border-radius: 11px;
    background: var(--green-light);
    color: var(--green-dark);
    font: inherit;
    font-size: 12px;
    font-weight: 750;
    cursor: pointer;
}

.diary-entry button[data-entry-action="delete"] {
    border-color: #ead7d1;
    background: #fff8f5;
    color: #85461f;
}

.diary-edit-form {
    display: grid;
    gap: 7px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.diary-edit-form__controls {
    margin-top: 2px;
}

.food-diary-add {
    margin: 16px 0;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: var(--green-soft);
}

.food-diary-add h3 {
    margin: 0 0 6px !important;
}

.food-diary-add p {
    font-size: 12px !important;
}

.food-diary-add__controls {
    display: flex;
    align-items: end;
    gap: 9px;
    margin-top: 8px;
}

.food-diary-add__quantity {
    display: grid;
    min-width: 0;
    flex: 1;
    gap: 5px;
}

.food-diary-add button {
    flex: 0 0 auto;
    border: 0;
    background: var(--green);
    color: #fff;
}

.diary-entry [hidden],
.diary-empty[hidden],
.diary-incomplete[hidden] {
    display: none !important;
}

@media (max-width: 600px) {
    .nutrition-goals__fields {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 400px) {
    .nutrition-tracker__heading,
    .diary-entries-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .nutrition-tracker__date-control {
        width: 100%;
    }

    .diary-date-label {
        text-align: left;
    }

    .food-diary-add__controls {
        align-items: stretch;
        flex-direction: column;
    }

    .nutrition-goals__fields,
    .nutrition-goals__progress {
        grid-template-columns: minmax(0, 1fr);
    }

    .nutrition-goals__form button {
        width: 100%;
    }

    .product-search__controls {
        align-items: stretch;
        flex-direction: column;
    }

    .product-search__controls button {
        width: 100%;
    }

    .product-search-result {
        grid-template-columns: 52px minmax(0, 1fr);
        gap: 9px;
        padding: 10px;
    }

    .product-search-result__image,
    .product-search-result__image-placeholder {
        width: 52px;
        height: 52px;
    }

    .product-search-result button {
        width: 100%;
        white-space: normal;
    }
}

.serving-size {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--green-light);
    color: var(--green-dark) !important;
    font-size: 12px !important;
    font-weight: 650;
}

.serving-size[hidden] {
    display: none;
}

.health-score {
    margin: 16px 0;
    padding: 16px;
    border: 1px solid #cce5d3;
    border-radius: 18px;
    background: linear-gradient(145deg, #f0faf3, #ffffff);
}

.health-score__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.health-score__eyebrow {
    margin: 0 0 4px !important;
    color: var(--green-dark) !important;
    font-size: 12px !important;
    font-weight: 750;
    letter-spacing: 0.02em;
}

.health-score__value {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    color: var(--text);
    font-size: 32px;
    font-weight: 850;
    letter-spacing: -1px;
    line-height: 1.1;
    overflow-wrap: anywhere;
}

.health-score__value span {
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0;
}

.health-score__coverage {
    flex: 0 0 auto;
    padding: 6px 9px;
    border-radius: 999px;
    background: #e3f3e8;
    color: var(--green-dark);
    font-size: 11px;
    font-weight: 700;
}

.health-score__note,
.health-score__explanation,
.health-score__missing,
.health-score__method p {
    margin: 9px 0 0 !important;
    color: var(--text-muted) !important;
    font-size: 12px !important;
    line-height: 1.5;
}

.health-score__note {
    color: var(--green-dark) !important;
    font-weight: 650;
}

.health-score__missing {
    color: #697a70 !important;
    font-size: 11px !important;
}

.health-score__method {
    margin-top: 10px;
    border-top: 1px solid #dfede2;
    padding-top: 9px;
}

.health-score__method summary {
    color: var(--green-dark);
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
}

.health-score__method summary:focus-visible {
    outline: 2px solid #83d8a1;
    outline-offset: 3px;
    border-radius: 3px;
}

.health-score__method ul {
    margin: 8px 0 0;
    padding-left: 18px;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.55;
}

.health-score__method li + li {
    margin-top: 4px;
}

@media (max-width: 360px) {
    .macro-grid {
        gap: 6px;
    }

    .macro-card {
        min-height: 100px;
        padding: 10px 8px;
    }

    .macro-card > span {
        font-size: 10px;
    }

    .nutrition-extra-grid > div {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }

    .nutrition-extra-grid > div > strong {
        text-align: left;
    }
}

@media (min-width: 700px) {
    .macro-card {
        min-height: 116px;
        padding: 15px;
    }
}

@supports (height: 100dvh) {
    body,
    .app {
        min-height: 100dvh;
    }
}

/* Premium light fitness-tech visual system */
:root {
    color-scheme: light;
    --green: #176b4a;
    --green-dark: #10543a;
    --green-light: #e7f3ec;
    --green-soft: #f3f8f4;
    --text: #183329;
    --text-muted: #65776d;
    --background: #f4f6f3;
    --surface: #ffffff;
    --border: #e1e8e2;
    --shadow: 0 14px 38px rgba(30, 57, 41, 0.055);
    --radius: 22px;
    --focus-ring: 0 0 0 4px rgba(35, 123, 82, 0.17);
}

html {
    scroll-padding-bottom: 104px;
    scroll-behavior: smooth;
}

body {
    padding: 0 0 104px;
    background:
        radial-gradient(ellipse at 50% -12rem, #e4eee6 0, transparent 40rem),
        var(--background);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.55;
}

.app {
    width: min(100% - 40px, 1160px);
    max-width: none;
    min-height: 100vh;
    margin: 30px auto 0;
    overflow: visible;
    border: 1px solid rgba(221, 230, 222, 0.85);
    border-radius: 30px;
    background: var(--surface);
    box-shadow: 0 28px 80px rgba(27, 53, 38, 0.09);
}

.header,
header {
    min-height: 92px;
    padding: 21px clamp(22px, 5vw, 54px);
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    border-radius: 30px 30px 0 0;
    background: #fff;
    color: var(--text);
}

header::after {
    right: 5%;
    top: -116px;
    width: 240px;
    height: 240px;
    border: 35px solid #edf4ef;
    background: transparent;
}

header h1 {
    font-size: 25px;
    font-weight: 800;
    letter-spacing: -0.8px;
    color: var(--green-dark);
}

header p {
    margin-top: 2px;
    color: var(--text-muted);
    font-size: 13px;
}

main,
.main {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
    gap: 22px;
    padding: clamp(22px, 4vw, 46px) clamp(18px, 4.5vw, 52px) 44px;
}

main > *,
.main > * {
    min-width: 0;
    margin-top: 0;
}

.welcome {
    grid-column: 1 / -1;
    margin: 0 0 2px;
    padding: clamp(22px, 4vw, 36px);
    border: 1px solid #e2ece4;
    border-radius: 24px;
    background: linear-gradient(115deg, #f4f9f5, #fbfdfb 68%, #edf5ef);
}

.welcome h2 {
    color: var(--text);
    font-size: clamp(27px, 4vw, 38px);
    font-weight: 780;
    letter-spacing: -1.2px;
    line-height: 1.15;
}

.welcome p {
    max-width: 560px;
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 15px;
}

.product-search {
    grid-column: span 7;
    margin: 0;
    padding: clamp(18px, 3vw, 26px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
}

.product-search h2,
.nutrition-tracker h2,
.recent h2 {
    color: var(--text);
    font-size: 20px;
    font-weight: 760;
    letter-spacing: -0.35px;
}

.product-search__form label,
.nutrition-tracker__date-control label,
.food-diary-add label,
.diary-edit-form label,
.nutrition-goals__field label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 680;
}

.product-search__controls {
    gap: 10px;
    margin-top: 7px;
}

.product-search__controls input,
.nutrition-tracker__date-control input,
.food-diary-add input,
.diary-edit-form input,
.nutrition-goals__field input {
    min-height: 48px;
    padding: 11px 14px;
    border: 1px solid #d7e2d9;
    border-radius: 13px;
    background: #fff;
    color: var(--text);
    font-size: 14px;
    transition: border-color 140ms ease, box-shadow 140ms ease;
}

button,
.product-search__controls button,
.product-search-result button,
.nutrition-goals__form button,
.food-diary-add button,
.diary-edit-form button,
.diary-entry button,
#imagePreview button,
#barcodeScanner button {
    min-height: 46px;
    padding: 11px 17px;
    border: 1px solid transparent;
    border-radius: 13px;
    background: var(--green);
    color: #fff;
    font: inherit;
    font-size: 13px;
    font-weight: 720;
    line-height: 1.3;
    cursor: pointer;
    transition: background-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

button:hover:not(:disabled),
.product-search__controls button:hover:not(:disabled),
.nutrition-goals__form button:hover:not(:disabled),
.food-diary-add button:hover:not(:disabled),
.diary-entry button:hover:not(:disabled) {
    background: var(--green-dark);
}

button:active:not(:disabled) {
    transform: translateY(1px);
}

button:disabled {
    cursor: wait;
    opacity: 0.65;
}

input:focus-visible,
button:focus-visible,
a:focus-visible,
summary:focus-visible,
.scan-card:focus-visible {
    outline: none;
    border-color: var(--green);
    box-shadow: var(--focus-ring);
}

.product-search__status,
.diary-status,
.diary-add-status,
.diary-edit-status,
.nutrition-goals__status {
    font-size: 13px;
}

.product-search__status--error,
.diary-status--error,
.diary-add-status--error,
.diary-edit-status--error,
.nutrition-goals__status--error {
    color: #a24336;
}

.product-search__status--loading::before,
#scannerStatus[aria-busy="true"]::before {
    border-color: #d9e7dc;
    border-top-color: var(--green);
}

.product-search__results {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.product-search-result {
    grid-template-columns: 60px minmax(0, 1fr);
    align-content: start;
    gap: 11px;
    margin: 0;
    padding: 12px;
    border-color: #e5ebe6;
    border-radius: 15px;
    background: #fbfcfb;
    transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.product-search-result:hover {
    transform: translateY(-1px);
    border-color: #cadbce;
    box-shadow: 0 8px 20px rgba(30, 57, 41, 0.06);
}

.product-search-result__image,
.product-search-result__image-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: #f0f4f1;
}

.product-search-result__body,
.product-search-result p,
#packageResult p,
#packageResult small,
.diary-entry__name {
    min-width: 0;
    overflow-wrap: anywhere;
}

.product-search-result h3 {
    margin-bottom: 5px;
    font-size: 14px;
    font-weight: 740;
    line-height: 1.35;
}

.product-search-result p {
    margin-top: 3px;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.45;
}

.product-search-result button {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 40px;
    margin-top: 2px;
    padding: 9px 12px;
}

.product-search__attribution {
    margin-top: 14px;
    color: #78867e;
    font-size: 10px;
    line-height: 1.6;
}

.product-search__attribution a,
.nav-item {
    color: var(--green-dark);
}

.scan-options {
    grid-column: span 5;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    margin: 0;
}

.scan-card,
.scan-card:first-child,
.scan-card:nth-child(2) {
    min-height: 119px;
    padding: 18px 18px 18px 78px;
    border: 1px solid #dce8df;
    border-radius: 19px;
    background: #f8fbf8;
    color: var(--text);
    box-shadow: none;
    transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.scan-card:nth-child(2) {
    background: #f7f9f6;
}

.scan-card:hover {
    transform: translateY(-2px);
    border-color: #b9d2c1;
    box-shadow: 0 10px 22px rgba(30, 57, 41, 0.07);
}

.scan-card h3 {
    margin-top: 5px;
    color: var(--text);
    font-size: 15px;
    font-weight: 740;
}

.scan-card p {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
}

.scan-icon {
    top: 20px;
    left: 18px;
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border: 1px solid #dce9df;
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(30, 57, 41, 0.05);
    font-size: 21px;
}

#imagePreview,
#barcodeScanner,
#packageResult,
#aiResult,
.nutrition-tracker,
.recent {
    grid-column: 1 / -1;
    min-width: 0;
}

#imagePreview,
#barcodeScanner,
#packageResult > div,
#aiResult,
.nutrition-tracker,
.recent {
    border-color: var(--border);
    border-radius: 21px;
    box-shadow: var(--shadow);
}

#imagePreview,
#barcodeScanner {
    padding: clamp(18px, 3vw, 26px) !important;
    border: 1px solid var(--border);
    background: #fff;
}

#imagePreview img {
    max-height: 380px;
    object-fit: contain;
    background: #f7f9f7;
}

#barcodeScanner > div {
    border-radius: 16px !important;
    background: #15231b !important;
}

#barcodeScanner p,
#scannerStatus {
    color: var(--text-muted);
    font-size: 13px;
}

#barcodeScanner button {
    background: #41564a !important;
}

#packageResult > div,
#aiResult {
    padding: clamp(18px, 3vw, 28px);
    border: 1px solid var(--border);
    background: #fff;
}

#packageResult h2,
#aiResult h2 {
    color: var(--text);
    font-size: 22px;
    letter-spacing: -0.4px;
}

#packageResult .nutrition-heading,
.nutrition-heading {
    border-color: var(--border);
    background: #f8faf8;
}

.nutrition-tracker {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px;
    margin: 4px 0 0;
    padding: clamp(18px, 3vw, 28px);
    border: 1px solid var(--border);
    background: #fff;
}

.nutrition-tracker__heading,
.nutrition-tracker__privacy,
#diaryStatus,
#diaryEmptyState,
.diary-entries-heading,
#diaryEntries {
    grid-column: 1 / -1;
}

.nutrition-tracker__heading {
    align-items: center;
}

.nutrition-tracker__eyebrow {
    color: var(--green);
}

.nutrition-tracker h2 {
    font-size: 25px;
}

.nutrition-tracker__date-control input {
    min-width: 170px;
}

.nutrition-tracker__privacy {
    margin: -7px 0 0;
    padding: 10px 13px;
    border-radius: 12px;
    background: #f5f8f5;
    font-size: 11px;
}

.nutrition-goals {
    grid-column: span 7;
    margin: 0;
    padding: 19px;
    border-color: var(--border);
    border-radius: 17px;
    background: #fbfcfb;
}

.nutrition-goals__heading h3,
.diary-summary h3,
.diary-entries-heading h3 {
    font-size: 16px;
    font-weight: 750;
}

.nutrition-goals__fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px;
}

.nutrition-goals__form button {
    min-height: 45px;
    padding-inline: 17px;
    font-size: 13px;
}

.nutrition-goal {
    border-color: var(--border);
    border-radius: 13px;
}

.nutrition-goal progress {
    height: 11px;
    accent-color: var(--green);
}

.nutrition-goal progress::-webkit-progress-value,
.nutrition-goal progress::-moz-progress-bar {
    background: var(--green);
}

.diary-summary {
    grid-column: span 5;
    align-self: stretch;
    margin: 0;
    padding: 19px;
    border-color: var(--border);
    border-radius: 17px;
    background: #f6f9f6;
}

.diary-totals {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}

.diary-total,
.diary-entry__nutrient {
    border-color: #e5ebe6;
    border-radius: 13px;
}

.diary-entries-heading {
    align-items: center;
    margin-top: 4px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.diary-entries {
    gap: 10px;
}

.diary-entry {
    padding: 16px;
    border-color: var(--border);
    border-radius: 16px;
}

.diary-entry__actions {
    flex-wrap: wrap;
}

.diary-entry button[data-entry-action="delete"] {
    border-color: #ecd9d6;
    background: #fff;
    color: #904a40;
}

.diary-empty,
.nutrition-goals__empty {
    padding: 16px;
    border: 1px dashed #cedbd1;
    border-radius: 14px;
    background: #fafcfb;
    color: var(--text-muted);
}

.food-diary-add {
    margin-top: 20px;
    padding: 18px;
    border-color: var(--border);
    border-radius: 16px;
    background: #f8faf8;
}

.food-diary-add h3 {
    font-size: 17px;
}

.recent {
    margin: 0;
    padding: 20px;
    border: 1px solid var(--border);
    background: #fff;
}

.recent h2 {
    margin-bottom: 12px;
}

.bottom-nav {
    position: fixed;
    z-index: 100;
    right: 50%;
    bottom: max(14px, env(safe-area-inset-bottom));
    left: auto;
    display: grid;
    width: min(calc(100% - 28px), 680px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
    padding: 8px;
    transform: translateX(50%);
    border: 1px solid rgba(218, 228, 220, 0.94);
    border-radius: 19px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 14px 38px rgba(23, 48, 33, 0.15);
    backdrop-filter: blur(14px);
}

.nav-item {
    display: flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: 13px;
    color: #64766a;
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 140ms ease, color 140ms ease;
}

.nav-item:hover,
.nav-item:focus-visible {
    background: #edf5ef;
    color: var(--green-dark);
}

.nav-icon {
    font-size: 16px;
}

@media (min-width: 1000px) {
    body {
        padding: 1px 0 120px;
    }

    .app {
        min-height: calc(100vh - 32px);
        margin-top: 16px;
    }
}

@media (max-width: 760px) {
    .app {
        width: min(100% - 24px, 620px);
        margin-top: 12px;
        border-radius: 24px;
    }

    .header,
    header {
        border-radius: 24px 24px 0 0;
    }

    main,
    .main {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
        padding: 20px 16px 32px;
    }

    .welcome,
    .product-search,
    .scan-options,
    #imagePreview,
    #barcodeScanner,
    #packageResult,
    #aiResult,
    .nutrition-tracker,
    .recent {
        grid-column: 1;
    }

    .scan-options {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .scan-card,
    .scan-card:first-child,
    .scan-card:nth-child(2) {
        min-height: 160px;
        padding: 68px 14px 15px;
    }

    .scan-icon {
        top: 13px;
        left: 14px;
    }

    .nutrition-tracker {
        grid-template-columns: minmax(0, 1fr);
        gap: 13px;
        padding: 18px 15px;
    }

    .nutrition-tracker__heading,
    .nutrition-tracker__privacy,
    #diaryStatus,
    #diaryEmptyState,
    .diary-entries-heading,
    #diaryEntries,
    .nutrition-goals,
    .diary-summary {
        grid-column: 1;
    }

    .nutrition-goals,
    .diary-summary {
        padding: 16px;
    }

    .nutrition-goals__progress {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-search__results {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 420px) {
    .app {
        width: 100%;
        margin: 0;
        border: 0;
        border-radius: 0;
    }

    .header,
    header {
        min-height: 78px;
        padding: 17px 19px;
        border-radius: 0;
    }

    .welcome {
        padding: 20px;
        border-radius: 18px;
    }

    .product-search {
        padding: 16px;
    }

    .product-search__controls {
        align-items: stretch;
        flex-direction: column;
    }

    .product-search__controls button,
    .nutrition-goals__form button,
    .food-diary-add button {
        width: 100%;
    }

    .scan-options {
        gap: 9px;
    }

    .scan-card,
    .scan-card:first-child,
    .scan-card:nth-child(2) {
        min-height: 153px;
        padding: 61px 11px 12px;
    }

    .scan-card h3 {
        font-size: 13px;
    }

    .scan-card p {
        font-size: 11px;
    }

    .nutrition-tracker__heading,
    .diary-entries-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .nutrition-tracker__date-control,
    .nutrition-tracker__date-control input {
        width: 100%;
    }

    .nutrition-goals__fields {
        gap: 9px;
    }

    .nutrition-goals__progress,
    .diary-totals {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-search-result {
        grid-template-columns: 52px minmax(0, 1fr);
        gap: 9px;
        padding: 10px;
    }

    .product-search-result__image,
    .product-search-result__image-placeholder {
        width: 52px;
        height: 52px;
    }

    .nav-item {
        min-height: 48px;
        flex-direction: column;
        gap: 1px;
        padding: 5px 3px;
        font-size: 10px;
        line-height: 1.25;
        text-align: center;
    }
}

@media (max-width: 340px) {
    .nutrition-goals__fields,
    .nutrition-goals__progress,
    .diary-totals {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* Fitness profile and transparent target estimate */
.fitness-profile {
    grid-column: span 7;
    min-width: 0;
    padding: clamp(17px, 2.5vw, 23px);
    border: 1px solid var(--border);
    border-radius: 18px;
    background: linear-gradient(150deg, #f8fbf8, #fff 70%);
}

.nutrition-goals {
    grid-column: span 5;
}

.fitness-profile__heading h3 {
    color: var(--text);
    font-size: 19px;
    font-weight: 760;
    letter-spacing: -0.3px;
}

.fitness-profile__intro,
.fitness-profile__disclaimer {
    margin-top: 8px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.6;
}

.fitness-profile__fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 13px;
    margin-top: 17px;
}

.fitness-profile__field {
    display: grid;
    min-width: 0;
    align-content: start;
    gap: 6px;
}

.fitness-profile__field--wide {
    grid-column: 1 / -1;
}

.fitness-profile__field label {
    color: var(--text);
    font-size: 12px;
    font-weight: 700;
}

.fitness-profile__field input,
.fitness-profile__field select {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 9px 11px;
    border: 1px solid #d7e2d9;
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    font: inherit;
    font-size: 13px;
}

.fitness-profile__field small {
    color: var(--text-muted);
    font-size: 10px;
    line-height: 1.45;
}

.fitness-profile__field input:focus-visible,
.fitness-profile__field select:focus-visible {
    outline: none;
    border-color: var(--green);
    box-shadow: var(--focus-ring);
}

.fitness-profile__field [aria-invalid="true"] {
    border-color: #a24336;
}

.fitness-profile__actions {
    margin-top: 16px;
}

.fitness-profile__actions button,
.fitness-estimate__apply {
    min-height: 44px;
    padding: 10px 15px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: var(--green);
    color: #fff;
    font: inherit;
    font-size: 12px;
    font-weight: 720;
    cursor: pointer;
}

.fitness-profile__actions button:hover,
.fitness-estimate__apply:hover {
    background: var(--green-dark);
}

.fitness-profile__status {
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
}

.fitness-profile__status:empty {
    display: none;
}

.fitness-profile__status--success {
    color: var(--green-dark);
}

.fitness-profile__status--error {
    color: #a24336;
}

.fitness-estimate {
    margin-top: 15px;
    padding: 15px;
    border: 1px solid #dbe8de;
    border-radius: 15px;
    background: #fff;
}

.fitness-estimate[hidden] {
    display: none !important;
}

.fitness-estimate h4 {
    color: var(--text);
    font-size: 15px;
}

.fitness-estimate > p,
.fitness-estimate__method p {
    margin-top: 7px;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.55;
}

.fitness-estimate__targets {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 12px;
}

.fitness-estimate__targets dt,
.fitness-estimate__targets dd {
    min-width: 0;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: #fafcfb;
}

.fitness-estimate__targets dt {
    align-self: end;
    color: var(--text-muted);
    font-size: 11px;
}

.fitness-estimate__targets dd {
    color: var(--green-dark);
    font-size: 14px;
    font-weight: 760;
}

.fitness-estimate__method {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.fitness-estimate__method summary {
    color: var(--green-dark);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
}

.fitness-estimate__apply {
    width: 100%;
    margin-top: 13px;
}

.fitness-profile__disclaimer {
    margin-top: 13px;
    padding-top: 11px;
    border-top: 1px solid var(--border);
    font-size: 10px;
}

@media (max-width: 760px) {
    .fitness-profile,
    .nutrition-goals {
        grid-column: 1;
    }
}

@media (max-width: 420px) {
    .fitness-profile__fields {
        grid-template-columns: minmax(0, 1fr);
    }

    .fitness-profile__field--wide {
        grid-column: 1;
    }

    .fitness-profile__actions button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* Keep the five primary destinations on a single, equal-width bottom row. */
.bottom-nav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    width: min(calc(100% - 20px), 820px);
    gap: clamp(0px, 1vw, 5px);
    padding: 6px clamp(3px, 1.5vw, 10px);
}

.bottom-nav .nav-item {
    min-width: 0;
    min-height: 50px;
    flex-direction: column;
    justify-content: center;
    gap: 1px;
    padding: 4px 2px;
    white-space: nowrap;
}

.bottom-nav .nav-item .nav-icon {
    font-size: clamp(13px, 3.8vw, 17px);
    line-height: 1.1;
}

.bottom-nav .nav-item > span:not(.nav-icon) {
    min-width: 0;
    font-size: clamp(8px, 2.5vw, 11px);
    line-height: 1.15;
    white-space: nowrap;
}

body {
    padding-bottom: 120px;
}

.tracker-tools {
    grid-column: 1 / -1;
    min-width: 0;
    margin: 0;
    padding: clamp(18px, 3vw, 28px);
    border: 1px solid var(--border);
    border-radius: 21px;
    background: #fff;
    box-shadow: var(--shadow);
}

.tracker-tools__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 12px;
}

.tracker-tools h3 {
    color: var(--text);
    font-size: 21px;
    letter-spacing: -0.4px;
}

.tracker-tools h4 {
    color: var(--text);
    font-size: 15px;
}

.tracker-tools__note,
.tracker-tools__privacy {
    max-width: 920px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.6;
}

.tracker-tools__sources {
    margin: 7px 0 14px;
    font-size: 12px;
}

.tracker-tools__sources a {
    color: var(--green-dark);
    text-underline-offset: 3px;
}

.food-library__search {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 12px;
    max-width: 720px;
    margin: 16px 0;
}

.food-library__search label {
    grid-column: 1 / -1;
    font-size: 13px;
    font-weight: 700;
}

.food-library__search input,
.food-library-card input,
.day-plan-slot select,
.day-plan-slot input,
.weight-history__form input,
.weight-record__edit input {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: #fff;
    color: var(--text);
    font: inherit;
}

.food-library__search input:focus-visible,
.food-library-card input:focus-visible,
.day-plan-slot select:focus-visible,
.day-plan-slot input:focus-visible,
.weight-history__form input:focus-visible,
.weight-record__edit input:focus-visible {
    outline: 3px solid #83d8a1;
    outline-offset: 2px;
}

.food-library__search button,
.food-library-card button,
.tracker-tools__heading button,
.day-plan-form > button,
.weight-history__form button,
.weight-record button,
.weight-record__edit button,
.meal-suggestion button {
    min-height: 44px;
    padding: 9px 14px;
    border: 1px solid var(--green);
    border-radius: 11px;
    background: var(--green);
    color: #fff;
    font: inherit;
    font-size: 13px;
    font-weight: 730;
    cursor: pointer;
}

.tracker-tools button:focus-visible {
    outline: 3px solid #83d8a1;
    outline-offset: 2px;
}

.food-library__results,
.meal-suggestions,
.weight-trends {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.food-library-card,
.meal-suggestion,
.day-plan-slot,
.weight-trend-card {
    min-width: 0;
    padding: 15px;
    border: 1px solid #e3ebe5;
    border-radius: 15px;
    background: #fbfcfb;
}

.food-library-card h4,
.meal-suggestion h4,
.weight-trend-card h4 {
    margin-bottom: 6px;
}

.food-library-card p,
.meal-suggestion p,
.day-plan-slot__summary,
.weight-trend-card p {
    margin: 6px 0;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.55;
    overflow-wrap: anywhere;
}

.food-library-card__nutrition,
.meal-suggestion__nutrition {
    color: var(--text) !important;
    font-weight: 650;
}

.food-library-card__form,
.weight-history__form,
.weight-record__edit {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 9px;
    margin-top: 12px;
}

.food-library-card__form label,
.weight-history__form label,
.weight-record__edit label,
.meal-suggestion label,
.day-plan-slot label {
    display: block;
    margin: 0 0 5px;
    color: var(--text);
    font-size: 11px;
    font-weight: 700;
}

.food-library-card__form button {
    grid-column: 1 / -1;
}

.tracker-tool-status {
    margin: 8px 0;
    color: var(--text-muted);
    font-size: 12px;
}

.tracker-tool-status--error {
    color: #a24336;
}

.tracker-tool-status--success {
    color: var(--green-dark);
}

.tracker-tool-status--empty,
.tracker-tools__empty {
    padding: 13px;
    border: 1px dashed #cedbd1;
    border-radius: 12px;
    color: var(--text-muted);
}

.meal-suggestion {
    display: grid;
    align-content: start;
    gap: 5px;
}

.meal-suggestion select,
.meal-suggestion input {
    width: 100%;
    min-width: 0;
    min-height: 42px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    font: inherit;
}

.day-plan-form {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.day-plan-form > p {
    margin: 6px 0 14px;
    color: var(--text-muted);
    font-size: 12px;
}

.day-plan-slots {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.day-plan-slot select,
.day-plan-slot input {
    margin-bottom: 9px;
    font-size: 12px;
}

.day-plan-totals {
    margin: 13px 0;
    padding: 12px;
    border-radius: 12px;
    background: #f1f7f2;
    color: var(--text);
    font-size: 12px;
    line-height: 1.6;
}

.weight-history__form {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
    max-width: 720px;
    margin: 15px 0;
}

.weight-history__entries {
    display: grid;
    gap: 8px;
    margin: 12px 0;
    padding: 0;
    list-style: none;
}

.weight-record {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 13px;
}

.weight-record p {
    flex: 1 1 230px;
    margin: 0;
    font-size: 13px;
    font-weight: 650;
}

.weight-record button[data-weight-action="delete"],
.weight-record__edit button[data-weight-action="cancel"] {
    border-color: #e7d4d1;
    background: #fff;
    color: #904a40;
}

.weight-record__edit {
    flex-basis: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.diary-entry__source {
    margin: -4px 0 10px;
    color: var(--text-muted);
    font-size: 11px;
}

@media (max-width: 760px) {
    .food-library__results,
    .meal-suggestions,
    .weight-trends {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .day-plan-slots {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .tracker-tools__heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .food-library__results,
    .meal-suggestions,
    .weight-trends,
    .day-plan-slots {
        grid-template-columns: minmax(0, 1fr);
    }

    .food-library__search,
    .food-library-card__form,
    .weight-history__form {
        grid-template-columns: minmax(0, 1fr);
    }

    .food-library__search label,
    .food-library-card__form button {
        grid-column: 1;
    }

    .food-library__search button,
    .weight-history__form button {
        width: 100%;
    }

    .weight-record__edit {
        grid-template-columns: minmax(0, 1fr);
    }
}