/**
 * Calculadora de Macronutrientes
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 */

/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
    /* Cores Principais - Paleta Canva */
    --primary-color: #00767A;
    /* Escurecido para atingir 4.5:1 com texto branco */
    --secondary-color: #5512B8;
    /* Escurecido */
    --accent-color: #D60051;
    /* Escurecido */
    --surface-color: #F6AD55;
    /* Ajustado */
    --text-color: #1A202C;

    /* Cores Derivadas */
    --primary-hover: #00767A;
    --primary-light: #E6F9FA;
    --secondary-light: #F3EBFF;
    --accent-light: #FFE6EF;

    /* Cores de Fundo */
    --bg-color: #FFFFFF;
    --bg-secondary: #F7FAFC;
    --bg-tertiary: #EDF2F7;

    /* Cores de Texto */
    --text-primary: #1A202C;
    --text-secondary: #2D3748;
    --text-muted: #4A5568;
    --text-light: #718096;

    /* Cores de Estado */
    --success-color: #2F855A;
    --warning-color: #C05621;
    --error-color: #C53030;
    --info-color: #2B6CB0;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Espaçamentos */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.7rem;
    --font-size-sm: 0.8rem;
    --font-size-base: 0.9rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.15rem;
    --font-size-2xl: 1.35rem;
    --font-size-3xl: 1.6rem;
    --font-size-4xl: 2rem;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Dark Mode Support (System & Class) */
@media (prefers-color-scheme: dark) {
    :root:not(.light-theme) {
        --bg-color: #0F172A;
        --bg-secondary: #1E293B;
        --bg-tertiary: #334155;
        --text-primary: #F8FAFC;
        --text-secondary: #E2E8F0;
        --text-muted: #94A3B8;
        --text-light: #64748B;
        --surface-color: #1E293B;
        --primary-light: rgba(0, 196, 204, 0.1);
        --secondary-light: rgba(125, 42, 231, 0.15);
        /* Aumentada a opacidade para melhor visibilidade */
        --accent-light: rgba(255, 74, 139, 0.1);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    }
}

body {
    transition: background-color var(--transition-base), color var(--transition-base);
}

.dark-theme,
:root.dark-theme {
    --bg-color: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --text-primary: #F8FAFC;
    --text-secondary: #E2E8F0;
    --text-muted: #94A3B8;
    --text-light: #64748B;
    --surface-color: #1E293B;
    --primary-light: rgba(0, 196, 204, 0.1);
    --secondary-light: rgba(125, 42, 231, 0.15);
    /* Aumentada a opacidade */
    --accent-light: rgba(255, 74, 139, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

img,
video,
canvas,
svg {
    max-width: 100%;
    height: auto;
}

html {
    font-size: 18px;
    /* Aumentado em 20% (de 15px) */
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-color);
    padding-top: 60px;
    min-height: 100vh;
    overflow-x: hidden;
    width: 100%;
    position: relative;
    touch-action: manipulation;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

h5 {
    font-size: var(--font-size-base);
}

h6 {
    font-size: var(--font-size-sm);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-base);
    font-weight: 500;
}

.dark-theme a {
    color: #00D1D9;
}

@media (prefers-color-scheme: dark) {
    :root:not(.light-theme) a {
        color: #00D1D9;
        /* Cor um pouco mais clara para contrastar no fundo escuro */
    }
}

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

}

/* ========================================
   HEADER
   ======================================== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    box-shadow: var(--shadow-md);
    z-index: var(--z-fixed);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
}

.app-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.header-logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.desktop-nav {
    display: none;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    min-height: 48px;
    white-space: normal;
    /* Permitir quebra de linha */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    max-width: 100%;
    text-align: center;
}

.btn:active {
    transform: translateY(1px);
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--text-secondary);
    color: white;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
    min-height: 36px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 40px;
}

.btn-icon:hover {
    background: var(--bg-tertiary);
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
    min-height: calc(100vh - 60px);
    padding-bottom: 80px;
}

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

/* ========================================
   SECTIONS
   ======================================== */
.section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.section-header h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    color: var(--text-muted);
    margin: 0;
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.welcome-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--bg-tertiary);
}

.welcome-icon {
    margin-bottom: var(--spacing-md);
}

.hero-logo {
    height: 80px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.1));
}

.welcome-card h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.welcome-actions {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
    width: 100%;
}

/* ========================================
   QUICK STATS
   ======================================== */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
}

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

.stat-icon {
    font-size: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-md);
}

.stat-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
}

/* ========================================
   PROGRESS RINGS
   ======================================== */
.progress-section {
    margin-bottom: var(--spacing-xl);
}

.progress-section h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.progress-rings {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    justify-items: center;
}

.progress-ring-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle-bg {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 8;
}

.progress-ring-circle {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 326.73;
    stroke-dashoffset: 326.73;
    transition: stroke-dashoffset 0.5s ease;
}

.progress-ring-label {
    text-align: center;
}

.progress-percentage {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.progress-name {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ========================================
   QUICK ACTIONS
   ======================================== */
.quick-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: var(--font-size-base);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    background: var(--bg-color);
    color: var(--text-primary);
    transition: all var(--transition-base);
    min-height: 48px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group input::placeholder {
    color: var(--text-light);
}

.form-helper {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* ========================================
   CALCULATOR RESULTS
   ======================================== */
.calculator-results {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--primary-light);
    border-radius: var(--radius-xl);
    border: 1px solid var(--primary-color);
}

.calculator-results h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.result-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-tertiary);
}

.result-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.result-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
}

.result-unit {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.results-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ========================================
   MANUAL ADJUSTMENT
   ======================================== */
.manual-adjustment {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--secondary-light);
    border-radius: var(--radius-xl);
    border: 1px solid var(--secondary-color);
}

.manual-adjustment h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   DATE SELECTOR
   ======================================== */
.date-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

#current-date {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 120px;
    text-align: center;
}

/* ========================================
   DAILY SUMMARY
   ======================================== */
.daily-summary {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.summary-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.summary-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.summary-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.summary-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.summary-bar-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

/* ========================================
   MEALS LIST
   ======================================== */
.meals-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.meal-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.meal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.meal-title {
    display: flex;
    flex-direction: column;
}

.meal-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.meal-time {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.meal-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.meal-macros {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--bg-tertiary);
}

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

.meal-macro-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.meal-macro-value {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

/* ========================================
   HISTORY
   ======================================== */
.period-selector {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.period-btn {
    padding: 8px 16px;
    border: 2px solid var(--bg-tertiary);
    background: transparent;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    font-weight: 600;
}

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

.history-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.history-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--bg-tertiary);
    transition: transform var(--transition-base);
}

.history-item:hover {
    transform: translateY(-2px);
}

.history-date {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--bg-tertiary);
    padding-bottom: var(--spacing-xs);
}

.history-macros {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.history-macro-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.history-macro-item .macro-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.history-macro-item .macro-value {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

@media (min-width: 600px) {
    .history-macros {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   EMPTY STATE
   ======================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.empty-state i {}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   MODAL
   ======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal);
    padding: var(--spacing-md);
    overflow-y: auto;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--bg-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--bg-tertiary);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* ========================================
   FOODS SECTION
   ======================================== */
.foods-section {
    margin: var(--spacing-lg) 0;
}

.foods-section h4 {
    margin-bottom: var(--spacing-md);
}

#foods-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.food-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.food-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.food-item-number {
    font-weight: 600;
    color: var(--primary-color);
}

.remove-food-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--error-color);
    color: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.remove-food-btn:hover {
    background: #E53E3E;
}

.food-inputs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.food-macros-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

@media (min-width: 600px) {
    .food-macros-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.meal-totals {
    background: var(--primary-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.meal-totals h4 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.totals-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

/* ========================================
   FAQ
   ======================================== */
.faq-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-secondary);
}

.faq-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-icon {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-answer[hidden] {
    display: none;
}

/* ========================================
   BOTTOM NAVIGATION
   ======================================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 65px;
    background: var(--bg-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: var(--z-fixed);
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 16px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-xs);
    transition: all var(--transition-base);
    min-width: 64px;
    min-height: 48px;
}

.nav-item i {
    font-size: 1.25rem;
    transition: transform var(--transition-base);
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item.active i {
    transform: scale(1.15);
}

.nav-item-fab {
    width: 56px;
    height: 56px;
    background: var(--primary-color);
    border-radius: 50%;
    margin-top: -28px;
    color: white !important;
    box-shadow: 0 4px 12px rgba(0, 196, 204, 0.4);
}

.nav-item-fab i {
    font-size: 1.5rem;
}

.nav-item-fab span {
    display: none;
}

/* ========================================
   FOOTER
   ======================================== */
.app-footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: 8rem;
}

.app-footer p {
    margin-bottom: var(--spacing-sm);
}

.b20-link {
    color: var(--primary-color);
    font-weight: 600;
    transition: all var(--transition-base);
}

.b20-link:hover {
    text-decoration: underline;
    transform: scale(1.05);
}

/* ========================================
   TOAST
   ======================================== */
.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: var(--bg-color);
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: all var(--transition-slow);
    z-index: var(--z-tooltip);
    box-shadow: var(--shadow-xl);
    max-width: 90%;
    text-align: center;
    pointer-events: none;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ========================================
   UTILITIES
   ======================================== */
.hidden {
    display: none !important;
}

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

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

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

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

/* ========================================
   SETTINGS SECTION
   ======================================== */
.settings-container {
    display: grid;
    gap: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.settings-card {
    margin-bottom: var(--spacing-md);
}

.settings-card h3 {
    margin-bottom: var(--spacing-lg);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--bg-tertiary);
}

.btn-error:hover {
    background: #e53e3e !important;
}

.share-link-container {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    border: 1px solid var(--bg-tertiary);
}

.share-link-container input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
    outline: none;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.share-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white !important;
    font-size: 1.2rem;
    transition: all var(--transition-base);
    text-decoration: none !important;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    color: white;
    text-decoration: none;
}

.share-btn.whatsapp {
    background-color: #25D366;
}

.share-btn.facebook {
    background-color: #1877F2;
}

.share-btn.twitter {
    background-color: #000000;
}

.share-btn.linkedin {
    background-color: #0077B5;
}

/* Fix for hidden classes */
.hidden {
    display: none !important;
}

/* Toast update */
.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: var(--bg-color);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-tooltip);
    transition: transform var(--transition-base), opacity var(--transition-base);
    opacity: 0;
    pointer-events: none;
    text-align: center;
    white-space: normal;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}