/* ============================================
   DiningScan.com - Main Stylesheet
   Health Green Theme | Mobile-First Design
   ============================================ */

:root {
    --color-primary: #2D6A4F;
    --color-primary-light: #40916C;
    --color-primary-lighter: #52B788;
    --color-primary-dark: #1B4332;
    --color-primary-bg: #D8F3DC;
    --color-accent: #95D5B2;
    --color-warning: #E9C46A;
    --color-error: #E76F51;
    --color-success: #2A9D8F;
    --color-info: #457B9D;
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAF9;
    --color-gray-100: #F1F5F3;
    --color-gray-200: #E2E8E5;
    --color-gray-300: #CBD5D0;
    --color-gray-400: #94A39C;
    --color-gray-500: #64746B;
    --color-gray-600: #475952;
    --color-gray-700: #334139;
    --color-gray-800: #1E2923;
    --color-gray-900: #0F1512;

    --color-carbs: #E9C46A;
    --color-protein: #E76F51;
    --color-fat: #457B9D;
    --color-fiber: #52B788;
    --color-energy: #2D6A4F;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(27, 67, 50, 0.05);
    --shadow-md: 0 4px 12px rgba(27, 67, 50, 0.08);
    --shadow-lg: 0 8px 24px rgba(27, 67, 50, 0.12);
    --shadow-xl: 0 16px 48px rgba(27, 67, 50, 0.16);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    --header-height: 64px;
    --container-max: 1200px;
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

/* ========== Reset & Base ========== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: var(--safe-area-top);
    padding-bottom: var(--safe-area-bottom);
}

::selection {
    background: var(--color-primary-bg);
    color: var(--color-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-light);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

button {
    font-family: inherit;
}

ul, ol {
    list-style-position: outside;
}

/* ========== Utilities ========== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1rem;
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-gray-500);
}

.text-primary {
    color: var(--color-primary);
}

/* ========== Header ========== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-200);
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-primary-dark);
    transition: opacity var(--transition-fast);
}

.logo:hover {
    color: var(--color-primary-dark);
    opacity: 0.85;
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.logo-text {
    letter-spacing: -0.02em;
}

.main-nav {
    position: relative;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-gray-700);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.nav-toggle:hover {
    background: var(--color-gray-100);
}

.nav-toggle i {
    width: 24px;
    height: 24px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-full);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link i {
    width: 16px;
    height: 16px;
}

.nav-link:hover,
.nav-link.active {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

/* ========== Main ========== */

.site-main {
    flex: 1;
}

/* ========== Hero ========== */

.hero-section {
    padding: 2.5rem 0 1.5rem;
    text-align: center;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(600px, 80%);
    height: 200px;
    background: radial-gradient(ellipse at center, var(--color-primary-bg) 0%, transparent 70%);
    opacity: 0.6;
    pointer-events: none;
    z-index: -1;
}

.hero-content {
    position: relative;
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    line-height: 1.2;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========== Cards ========== */

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* ========== Upload Section ========== */

.upload-section {
    padding: 1rem 0 3rem;
}

.upload-card {
    padding: 2rem;
    margin-bottom: 2rem;
}

.upload-area {
    position: relative;
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-lg);
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    background: var(--color-gray-50);
    cursor: default;
}

.upload-area.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
    transform: scale(1.01);
}

.upload-area.has-file {
    border-style: solid;
    border-color: var(--color-primary-lighter);
    background: var(--color-white);
    min-height: auto;
}

.upload-placeholder {
    text-align: center;
    padding: 2rem;
}

.upload-icon-wrap {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: var(--color-primary-bg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.upload-area.drag-over .upload-icon-wrap {
    transform: scale(1.1);
}

.upload-icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

.upload-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 0.5rem;
}

.upload-hint {
    color: var(--color-gray-500);
    margin-bottom: 1.5rem;
    font-size: var(--font-size-sm);
}

.upload-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.preview-container {
    position: relative;
    width: 100%;
    padding: 1rem;
}

.preview-image {
    width: 100%;
    max-height: 400px;
    object-fit: contain;
    border-radius: var(--radius-md);
    margin: 0 auto;
}

.preview-overlay {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 2;
}

.analyze-form {
    margin-top: 1.5rem;
    text-align: center;
}

/* ========== Buttons ========== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    line-height: 1.4;
    white-space: nowrap;
    text-decoration: none;
}

.btn i {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    color: var(--color-white);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-gray-300);
}

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

.btn-analyze {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    min-width: 220px;
    border: none;
}

.btn-analyze:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.btn-analyze:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: var(--font-size-xs);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    color: var(--color-gray-600);
}

.btn-icon:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.btn-icon.active {
    background: var(--color-primary-bg);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-edit-mode.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.btn-clear {
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: var(--color-white);
}

.btn-clear:hover {
    background: var(--color-error);
    color: var(--color-white);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ========== Spinner ========== */

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
    flex-shrink: 0;
}

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

/* ========== Alerts ========== */

.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.alert i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-error {
    background: #FEF2F0;
    color: var(--color-error);
    border: 1px solid #F5C6BC;
}

.alert-success {
    background: #EDF9F7;
    color: var(--color-success);
    border: 1px solid #A8E6CF;
}

.alert-info {
    background: #EDF4F8;
    color: var(--color-info);
    border: 1px solid #B8D4E8;
}

/* ========== Features Grid ========== */

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-card {
    padding: 1.5rem;
    text-align: center;
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    background: var(--color-primary-bg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ========== Disclaimer ========== */

.disclaimer-inline {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: #FFF8E7;
    border: 1px solid #F5E6B8;
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
}

.disclaimer-inline i {
    width: 20px;
    height: 20px;
    color: var(--color-warning);
    flex-shrink: 0;
    margin-top: 2px;
}

.disclaimer-inline p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ========== Info Section ========== */

.info-section {
    padding: 0 0 3rem;
}

.info-article {
    padding: 2rem;
}

.info-article h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary-dark);
    margin-bottom: 1.5rem;
}

.steps-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.steps-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    font-size: var(--font-size-sm);
}

.steps-list strong {
    display: block;
    color: var(--color-gray-800);
    margin-bottom: 0.25rem;
}

.steps-list p {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ========== Page Header ========== */

.page-header {
    padding: 2rem 0 1rem;
}

.page-header-content {
    max-width: 800px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.breadcrumb i {
    width: 14px;
    height: 14px;
}

.breadcrumb a {
    color: var(--color-gray-500);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--color-gray-500);
    font-size: var(--font-size-lg);
    max-width: 700px;
    line-height: 1.7;
}

/* ========== Results Page ========== */

.results-section {
    padding: 1rem 0 3rem;
}

.results-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.food-preview-card {
    padding: 1.5rem;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.card-header h2 {
    font-size: var(--font-size-lg);
    color: var(--color-primary-dark);
    flex: 1;
}

.card-header i {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.food-image-wrap {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1rem;
    background: var(--color-gray-100);
}

.food-image {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
}

.ingredients-card {
    padding: 1.5rem;
}

.ingredients-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.ingredient-item {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.ingredient-item:hover {
    border-color: var(--color-primary-lighter);
}

.ingredient-item.is-editing {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.12);
}

.ingredient-view {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
}

.ingredient-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ingredient-icon i {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.ingredient-info {
    flex: 1;
    min-width: 0;
}

.ingredient-name {
    display: block;
    font-weight: 600;
    color: var(--color-gray-800);
    word-break: break-word;
}

.ingredient-weight {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.ingredient-edit {
    padding: 1rem;
    background: var(--color-gray-50);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background: var(--color-white);
    color: var(--color-gray-800);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.15);
}

.form-input[readonly] {
    background: var(--color-gray-50);
    color: var(--color-gray-600);
    cursor: not-allowed;
}

.form-input[readonly]:focus {
    border-color: var(--color-gray-300);
    box-shadow: none;
}

/* English date picker */
.date-picker-input {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23475952' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.en-date-picker {
    position: absolute;
    z-index: 1200;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem;
}

.en-date-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.en-date-picker-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary-dark);
}

.en-date-picker-nav {
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    color: var(--color-gray-700);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.en-date-picker-nav:hover {
    background: var(--color-primary-bg);
    border-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.en-date-picker-weekdays,
.en-date-picker-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
}

.en-date-picker-weekday {
    text-align: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-500);
    padding: 0.25rem 0;
}

.en-date-picker-day {
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    min-height: 2rem;
    font-size: var(--font-size-sm);
    color: var(--color-gray-800);
    cursor: pointer;
}

.en-date-picker-day:hover:not(.is-disabled):not(.is-empty) {
    background: var(--color-primary-bg);
}

.en-date-picker-day.is-selected {
    background: var(--color-primary);
    color: #fff;
}

.en-date-picker-day.is-disabled {
    color: var(--color-gray-300);
    cursor: not-allowed;
}

.en-date-picker-day.is-empty {
    pointer-events: none;
}

.edit-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.add-ingredient-wrap {
    margin-bottom: 1.5rem;
}

.form-actions {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-200);
}

/* ========== Nutrition Details ========== */

.nutrition-section {
    padding: 1rem 0 3rem;
}

.nutrition-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-card {
    padding: 2rem;
    text-align: center;
}

.summary-card h3 {
    font-size: var(--font-size-lg);
    color: var(--color-primary-dark);
    margin-top: 1rem;
    margin-bottom: 0.25rem;
}

.summary-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.macro-rings {
    padding: 1.5rem;
}

.macro-rings-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-lg);
    color: var(--color-primary-dark);
    margin-bottom: 1.5rem;
    justify-content: center;
    font-weight: 700;
}

.macro-rings-title i {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.macro-rings-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.macro-ring-item {
    text-align: center;
}

.macro-label {
    display: block;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-top: 0.5rem;
    font-size: var(--font-size-sm);
}

.macro-amount {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* Circular Progress */

.circular-progress {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto;
}

.circular-progress.small {
    width: 80px;
    height: 80px;
}

.circular-progress.medium {
    width: 100px;
    height: 100px;
}

.circular-progress svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
    display: block;
}

.progress-bg {
    fill: none;
    stroke: var(--color-gray-200);
    stroke-width: 8;
}

.circular-progress.small .progress-bg,
.circular-progress.small .progress-fill {
    stroke-width: 6;
}

.circular-progress.medium .progress-bg,
.circular-progress.medium .progress-fill {
    stroke-width: 7;
}

.progress-fill {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 327;
    stroke-dashoffset: 327;
    transition: stroke-dashoffset 1s ease-out, stroke var(--transition-base);
}

.circular-progress.small .progress-fill {
    stroke-dasharray: 214;
    stroke-dashoffset: 214;
}

.circular-progress.medium .progress-fill {
    stroke-dasharray: 264;
    stroke-dashoffset: 264;
}

.progress-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.progress-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    margin-bottom: 2px;
}

.circular-progress.small .progress-icon {
    width: 14px;
    height: 14px;
}

.progress-value {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    line-height: 1;
}

.circular-progress.small .progress-value {
    font-size: var(--font-size-sm);
}

.circular-progress.medium .progress-value {
    font-size: var(--font-size-lg);
}

.progress-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    text-transform: lowercase;
}

.page-record-view .energy-card .progress-label {
    color: #DC2626;
}

/* Macro color variants */

.circular-progress[data-macro="carbs"] .progress-fill {
    stroke: var(--color-carbs);
}

.circular-progress[data-macro="protein"] .progress-fill {
    stroke: var(--color-protein);
}

.circular-progress[data-macro="fat"] .progress-fill {
    stroke: var(--color-fat);
}

.circular-progress[data-macro="energy"] .progress-fill {
    stroke: var(--color-energy);
}

/* Food Info Bar */

.food-info-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
}

.food-info-thumb {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.food-info-details {
    flex: 1;
    min-width: 200px;
}

.food-info-details h3 {
    font-size: var(--font-size-base);
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.food-info-fullday {
    margin-bottom: 2rem;
}

.food-info-fullday {
    margin-bottom: 2rem;
}

.food-info-meal-block {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding: 1rem 1.5rem 1.25rem;
    margin-bottom: 1rem;
}

.food-info-meal-block:last-child {
    margin-bottom: 0;
}

.meal-block-header {
    display: flex;
    align-items: center;
}

.meal-block-badge {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    line-height: 1.2;
}

.food-info-meal-body {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
}

.food-info-meal-block .food-info-details {
    flex: 1;
    min-width: 200px;
}

.food-info-meal-block .food-info-thumb {
    width: 100px;
    height: 100px;
}

.ingredient-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ingredient-tags li {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    background: var(--color-gray-100);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.ingredient-tags li:hover {
    background: var(--color-primary-bg);
}

.ingredient-tags i {
    width: 12px;
    height: 12px;
    color: var(--color-primary);
}

/* Nutrition Categories */

.nutrition-category {
    margin-bottom: 2rem;
}

.category-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.category-icon i {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

.macro-icon { background: linear-gradient(135deg, #2D6A4F, #40916C); }
.micro-icon { background: linear-gradient(135deg, #40916C, #52B788); }
.other-icon { background: linear-gradient(135deg, #1B4332, #2D6A4F); }

.category-header h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary-dark);
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

.category-desc {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.subcategory {
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.subcategory-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-primary-bg);
    font-weight: 600;
}

.subcategory-title i {
    width: 20px;
    height: 20px;
}

.nutrition-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.nutrient-card {
    padding: 1rem 1.25rem;
    transition: transform var(--transition-fast);
}

.nutrient-card:hover {
    transform: translateY(-2px);
}

.nutrient-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.nutrient-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.nutrient-name {
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
}

.nutrient-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    line-height: 1.2;
}

.nutrient-value small {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-500);
    margin-left: 0.25rem;
}

.nutrient-bar {
    height: 6px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    margin-top: 0.5rem;
    overflow: hidden;
}

.nutrient-bar-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-lighter));
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

.nutrient-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.nutrient-item:hover {
    background: var(--color-primary-bg);
}

.nutrient-item-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.nutrient-item-info {
    flex: 1;
    min-width: 0;
}

.nutrient-item-name {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.nutrient-item-value {
    display: block;
    font-weight: 700;
    color: var(--color-primary-dark);
    font-size: var(--font-size-sm);
}

/* Other Properties */

.other-properties-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.property-card {
    padding: 1.5rem;
    text-align: center;
}

.property-card h3 {
    font-size: var(--font-size-lg);
    color: var(--color-primary-dark);
    margin: 1rem 0 0.5rem;
}

.property-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    line-height: 1.6;
}

.property-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
}

.property-stat-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.property-stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary-dark);
    line-height: 1;
}

.property-stat-unit {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

/* ========== Content Pages ========== */

.content-page {
    padding: 2rem 0 3rem;
}

.content-card {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.content-card h1 {
    font-size: var(--font-size-3xl);
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.content-card .last-updated {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: 2rem;
}

.content-card h2 {
    font-size: var(--font-size-xl);
    color: var(--color-primary-dark);
    margin: 2rem 0 0.75rem;
}

.content-card h3 {
    font-size: var(--font-size-lg);
    color: var(--color-gray-800);
    margin: 1.5rem 0 0.5rem;
}

.content-card p {
    margin-bottom: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.content-card ul,
.content-card ol {
    margin: 0 0 1rem 1.5rem;
    color: var(--color-gray-600);
}

.content-card li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.content-card a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.faq-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.faq-item {
    border-bottom: 1px solid var(--color-gray-200);
    padding: 1rem 0;
}

.faq-item:first-child {
    padding-top: 0;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-800);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    padding: 0;
    gap: 1rem;
    line-height: 1.5;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question i {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-item.open .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.open .faq-answer {
    max-height: 500px;
    padding-top: 0.75rem;
}

.faq-answer p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin: 0;
    line-height: 1.7;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    margin-bottom: 0.375rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========== Footer ========== */

.site-footer {
    background: var(--color-primary-dark);
    color: var(--color-gray-300);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.footer-logo i {
    width: 24px;
    height: 24px;
    color: var(--color-primary-lighter);
}

.footer-desc {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    max-width: 320px;
}

.footer-links h3 {
    color: var(--color-white);
    font-size: var(--font-size-base);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.disclaimer-banner {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.disclaimer-banner i {
    width: 20px;
    height: 20px;
    color: var(--color-warning);
    flex-shrink: 0;
    margin-top: 2px;
}

.disclaimer-banner p {
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.disclaimer-banner strong {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
}

/* ========== Page-Specific Body Classes ========== */

.page-home .hero-section {
    padding-top: 3rem;
}

.page-results .page-header {
    background: linear-gradient(180deg, var(--color-primary-bg) 0%, transparent 100%);
    margin-bottom: 0.5rem;
}

.page-nutrition-details .page-header {
    background: linear-gradient(180deg, var(--color-primary-bg) 0%, transparent 100%);
}

.page-about .content-card,
.page-faq .content-card {
    border-top: 4px solid var(--color-primary);
}

/* ========== Ad Placement ========== */

.ad-container {
    text-align: center;
    margin: 2rem 0;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    border: 1px dashed var(--color-gray-200);
}

.ad-container ins {
    display: block;
}

/* ========== Loading Overlay ========== */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.loading-overlay.hidden {
    display: none;
}

.loading-card {
    text-align: center;
    padding: 2rem;
}

.loading-card p {
    margin-top: 1rem;
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

/* ========== Animations ========== */

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in-delay-1 {
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.fade-in-delay-2 {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.fade-in-delay-3 {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-transition {
    animation: pageSlideIn 0.4s ease-out;
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateX(10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.stagger-item {
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }
.stagger-item:nth-child(7) { animation-delay: 0.35s; }
.stagger-item:nth-child(8) { animation-delay: 0.4s; }
.stagger-item:nth-child(9) { animation-delay: 0.45s; }
.stagger-item:nth-child(10) { animation-delay: 0.5s; }

/* ========== Scrollbar ========== */

@media (hover: hover) {
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }

    ::-webkit-scrollbar-track {
        background: var(--color-gray-100);
    }

    ::-webkit-scrollbar-thumb {
        background: var(--color-gray-300);
        border-radius: var(--radius-full);
    }

    ::-webkit-scrollbar-thumb:hover {
        background: var(--color-gray-400);
    }
}

/* ========== Reduced Motion ========== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .progress-fill {
        transition: none;
    }

    .nutrient-bar-fill {
        transition: none;
    }
}

/* ========== Print Styles ========== */

@media print {
    .site-header,
    .site-footer,
    .nav-toggle,
    .btn,
    .disclaimer-inline,
    .disclaimer-banner,
    .nutrition-actions,
    .ad-container {
        display: none !important;
    }

    body {
        background: white;
        color: black;
        font-size: 12pt;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }

    .circular-progress svg {
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }

    .nutrient-bar-fill {
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }

    a[href^="/"]::after,
    a[href^="#"]::after {
        content: "";
    }
}

/* ========== Responsive: Small Mobile ========== */

@media (max-width: 374px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .upload-card {
        padding: 1.25rem;
    }

    .upload-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .upload-buttons .btn {
        width: 100%;
    }

    .btn-analyze {
        min-width: auto;
        width: 100%;
    }

    .macro-rings-grid {
        gap: 1rem;
    }
}

/* ========== Responsive: Mobile Nav ========== */

@media (max-width: 767px) {
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        background: var(--color-white);
        border: 1px solid var(--color-gray-200);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        padding: 0.5rem;
        min-width: 200px;
        margin-top: 0.5rem;
        z-index: 200;
    }

    .nav-list.open {
        display: flex;
    }

    .nav-link {
        width: 100%;
        padding: 0.75rem 1rem;
    }

    .page-title {
        font-size: var(--font-size-2xl);
    }

    .summary-card {
        padding: 1.5rem;
    }

    .food-info-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .nutrition-actions {
        flex-direction: column;
    }

    .nutrition-actions .btn {
        width: 100%;
    }
}

/* ========== Responsive: Tablet ========== */

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .nutrition-grid.cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .other-properties-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .upload-area {
        min-height: 320px;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-section {
        padding: 3.5rem 0 2rem;
    }

    .results-layout {
        grid-template-columns: 1fr 1.5fr;
    }

    .summary-grid {
        grid-template-columns: 1fr 1.5fr;
    }

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

    .nutrition-grid.cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .upload-card {
        padding: 2.5rem;
    }

    .content-card {
        padding: 2.5rem 3rem;
    }
}

/* ========== Responsive: Desktop ========== */

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }

    .hero-subtitle {
        font-size: var(--font-size-xl);
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }

    .ingredients-card {
        padding: 2rem;
    }

    .food-preview-card {
        padding: 2rem;
    }

    .subcategory {
        padding: 2rem;
    }

    .nutrient-card {
        padding: 1.25rem 1.5rem;
    }
}

/* ========== Responsive: Large Desktop ========== */

@media (min-width: 1280px) {
    :root {
        --container-max: 1280px;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .macro-rings-grid {
        gap: 3rem;
    }

    .circular-progress {
        width: 140px;
        height: 140px;
    }

    .progress-value {
        font-size: var(--font-size-2xl);
    }
}

/* ========== Responsive: Landscape Mobile ========== */

@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        padding: 1.5rem 0 1rem;
    }

    .upload-area {
        min-height: 200px;
    }

    .site-header {
        position: relative;
    }
}

/* ========== High Contrast ========== */

@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--color-gray-800);
    }

    .btn-primary,
    .btn-analyze {
        border: 2px solid var(--color-primary-dark);
    }

    .nav-link.active {
        outline: 2px solid var(--color-primary);
    }

    .form-input {
        border-width: 2px;
    }
}

/* Auth & Account */
.auth-card { max-width: 480px; margin: 0 auto; }
.auth-form { margin-top: 1.5rem; }
.auth-switch { text-align: center; margin-top: 1.5rem; color: var(--color-gray-500); }

.auth-forgot {
    margin: -0.25rem 0 1rem;
    text-align: right;
}

.auth-forgot a {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}
.btn-block { width: 100%; }
.alert-success { background: #E8F5E9; color: #2D6A4F; border: 1px solid #A5D6A7; }
.alert-info { background: #E8F4FD; color: #1B5E8A; border: 1px solid #B3D9F2; }
.account-layout { padding-bottom: 3rem; }
.account-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
.account-membership-card h2, .account-records-card h2 { display: flex; align-items: center; gap: 0.5rem; color: var(--color-primary-dark); margin-bottom: 1rem; }
.membership-badge { display: inline-block; padding: 0.5rem 1rem; border-radius: var(--radius-full); font-weight: 700; margin-bottom: 1rem; }
.membership-badge.premium { background: #FFF8E7; color: #B8860B; }
.membership-badge.free { background: var(--color-primary-bg); color: var(--color-primary); }
.membership-info { list-style: none; margin-bottom: 1rem; }
.membership-info li { padding: 0.375rem 0; color: var(--color-gray-600); }
.upgrade-banner { background: linear-gradient(135deg, var(--color-primary-bg), #fff); border-radius: var(--radius-md); padding: 1.25rem; margin: 1rem 0; text-align: center; }
.upgrade-banner-prominent { border: 2px solid var(--color-primary-lighter); box-shadow: var(--shadow-md); }
.date-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.date-tag { background: var(--color-gray-100); padding: 0.375rem 0.75rem; border-radius: var(--radius-full); font-size: var(--font-size-sm); color: var(--color-primary); }
.data-table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
.data-table th, .data-table td { padding: 0.75rem; border-bottom: 1px solid var(--color-gray-200); text-align: left; }
.data-table th { background: var(--color-gray-50); font-weight: 600; }
.status-badge { padding: 0.25rem 0.625rem; border-radius: var(--radius-full); font-size: var(--font-size-xs); font-weight: 600; }
.status-completed { background: #E8F5E9; color: #2D6A4F; }
.status-pending { background: #FFF8E7; color: #B8860B; }
.table-responsive { overflow-x: auto; }
.form-hint { font-size: var(--font-size-sm); color: var(--color-gray-500); }

/* Save analysis */
.save-analysis-section { padding: 0 0 1rem; }
.save-analysis-banner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.5rem; border: 2px solid var(--color-primary-lighter); background: linear-gradient(135deg, #f8faf9, var(--color-primary-bg)); }
.save-banner-content { display: flex; align-items: flex-start; gap: 1rem; flex: 1; }
.save-banner-icon { width: 40px; height: 40px; color: var(--color-primary); flex-shrink: 0; }
.save-analysis-banner h2 { color: var(--color-primary-dark); margin-bottom: 0.25rem; }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.modal-content { position: relative; z-index: 1; max-width: 420px; width: 100%; padding: 2rem; text-align: center; }
.meal-choice-grid { display: grid; gap: 0.75rem; margin-top: 1rem; }
.meal-choice-btn { width: 100%; padding: 1rem; }

/* Upgrade modal */
.upgrade-modal-content { text-align: center; max-width: 440px; }
.upgrade-modal-icon { width: 56px; height: 56px; margin: 0 auto 1rem; background: #FFF8E7; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.upgrade-modal-icon i { width: 32px; height: 32px; color: #E9C46A; }
.upgrade-modal-content h2 { color: var(--color-primary-dark); margin-bottom: 0.75rem; }
.upgrade-modal-content p { color: var(--color-gray-600); margin-bottom: 1.5rem; }
.upgrade-modal-actions { display: flex; flex-direction: column; gap: 0.75rem; }

/* Admin */
.admin-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.admin-header-actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.admin-page-heading { margin-bottom: 1.5rem; }
.admin-page-heading h1 { color: var(--color-primary-dark); margin-bottom: 0.35rem; }
.admin-page-heading p { color: var(--color-gray-600); margin: 0; }
.admin-card-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.admin-card-heading h2 { margin: 0; color: var(--color-primary-dark); }
.admin-badge { background: var(--color-gray-100); color: var(--color-primary); padding: 0.25rem 0.75rem; border-radius: var(--radius-full); font-size: var(--font-size-sm); font-weight: 600; }
.admin-empty-state { color: var(--color-gray-600); margin: 0; }
.contact-messages-table .contact-message-date { white-space: nowrap; }
.contact-messages-table .contact-message-body { min-width: 280px; max-width: 480px; white-space: pre-wrap; word-break: break-word; line-height: 1.5; }
.admin-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.admin-stat-card { padding: 1.25rem; text-align: center; }
.admin-stat-value { font-size: var(--font-size-2xl); font-weight: 800; color: var(--color-primary); }
.admin-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
.record-notice { margin-top: 1rem; }
.download-pdf-btn { min-width: 260px; }

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