/* ==========================================
   DOESITLAST.COM - PREMIUM DESIGN v2
   Elegant, Fluid, Dark Mode Ready
   ========================================== */

/* ==========================================
   CSS VARIABLES - Light Theme (Default)
   ========================================== */
:root {
    /* Primary Palette - Verde Menta (Mejor contraste) */
    --primary: #059669;
    --primary-light: #10b981;
    --primary-dark: #047857;
    --accent-emerald: #34d399;
    --accent-teal: #14b8a6;
    
    /* Semantic Colors */
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --danger: #ef4444;
    --danger-light: #f87171;
    --success: #10b981;
    --info: #3b82f6;
    
    /* Neutrals - Light Theme */
    --white: #ffffff;
    --cream: #fefef9;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Backgrounds */
    --bg-primary: #fefef9;
    --bg-secondary: #ffffff;
    --bg-tertiary: #fafafa;
    
    /* Text */
    --text-primary: #171717;
    --text-secondary: #525252;
    --text-tertiary: #737373;
    
    /* Borders */
    --border-light: #e5e5e5;
    --border-medium: #d4d4d4;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography - Nuevas fuentes más legibles */
    --font-display: 'Fraunces', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Borders */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================
   DARK MODE THEME - MEJORADO
   ========================================== */
[data-theme="dark"] {
    /* Primary - MÁS BRILLANTE en dark mode */
    --primary: #34d399;
    --primary-light: #6ee7b7;
    --primary-dark: #10b981;
    --accent-emerald: #6ee7b7;
    --accent-teal: #5eead4;
    
    /* Neutrals - Inverted */
    --gray-50: #171717;
    --gray-100: #262626;
    --gray-200: #404040;
    --gray-300: #525252;
    --gray-400: #737373;
    --gray-500: #a3a3a3;
    --gray-600: #d4d4d4;
    --gray-700: #e5e5e5;
    --gray-800: #f5f5f5;
    --gray-900: #fafafa;
    
    /* Backgrounds - Más contraste */
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #262626;
    
    /* Text - Más brillante */
    --text-primary: #ffffff;
    --text-secondary: #e5e5e5;
    --text-tertiary: #a3a3a3;
    
    /* Borders - Más visibles */
    --border-light: #333333;
    --border-medium: #525252;
    
    /* Glassmorphism */
    --glass-bg: rgba(26, 26, 26, 0.8);
    --glass-border: rgba(255, 255, 255, 0.15);
    
    /* Shadows - More subtle in dark mode */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.6);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.8);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.9);
}

/* ==========================================
   RESET & BASE
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   HEADER - Glass with Navigation
   ========================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-base);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.logo:hover {
    transform: translateY(-2px);
    color: var(--primary-dark);
}

.logo-icon {
    font-size: 2rem;
    animation: gentle-float 3s ease-in-out infinite;
}

@keyframes gentle-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-4px) rotate(2deg); }
}

.logo-text {
    font-family: var(--font-display);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
    justify-content: flex-end;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
}

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

.nav-link.active {
    color: var(--primary);
    background: var(--gray-100);
}

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    padding: 0.5rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.theme-toggle:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: rotate(180deg);
}

/* Language Toggle Switch - Minimalist Design */
.lang-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.lang-btn:hover {
    opacity: 0.8;
}

/* Toggle labels */
.lang-text {
    transition: all var(--transition-base);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.8125rem;
    min-width: 22px;
    text-align: center;
}

/* Estado inactivo */
.lang-btn .lang-text {
    color: var(--text-tertiary);
    font-weight: 400;
    opacity: 0.5;
}

/* Toggle track - línea más larga y visible */
.lang-toggle-track {
    position: relative;
    width: 64px;
    height: 2px;
    background: var(--border-medium);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.lang-btn:hover .lang-toggle-track {
    background: var(--border-light);
}

/* Toggle thumb - círculo más grande */
.lang-toggle-thumb {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--text-tertiary);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-base);
}

/* Estado activo - cuando está en ES (izquierda) */
.lang-btn[data-lang="es"] .lang-text:first-child {
    color: var(--primary);
    font-weight: 700;
    opacity: 1;
    transform: scale(1.1);
}

.lang-btn[data-lang="es"] .lang-toggle-track {
    background: var(--primary);
}

.lang-btn[data-lang="es"] .lang-toggle-thumb {
    left: 0;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.15);
}

/* Estado activo - cuando está en EN (derecha) */
.lang-btn[data-lang="en"] .lang-text:last-child {
    color: var(--primary);
    font-weight: 700;
    opacity: 1;
    transform: scale(1.1);
}

.lang-btn[data-lang="en"] .lang-toggle-track {
    background: var(--primary);
}

.lang-btn[data-lang="en"] .lang-toggle-thumb {
    left: calc(100% - 12px);
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.15);
}

/* Dark mode adjustments */
[data-theme="dark"] .lang-toggle-track {
    background: var(--gray-700);
}

[data-theme="dark"] .lang-toggle-thumb {
    background: var(--gray-500);
}

[data-theme="dark"] .lang-btn:hover .lang-toggle-track {
    background: var(--gray-600);
}

[data-theme="dark"] .lang-btn[data-lang="es"] .lang-toggle-track,
[data-theme="dark"] .lang-btn[data-lang="en"] .lang-toggle-track {
    background: var(--primary);
}

[data-theme="dark"] .lang-btn[data-lang="es"] .lang-toggle-thumb,
[data-theme="dark"] .lang-btn[data-lang="en"] .lang-toggle-thumb {
    background: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.lang-flag {
    display: none; /* Ocultar banderas */
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
    padding: 0.5rem;
}

/* ==========================================
   HERO
   ========================================== */
.hero {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(135deg, 
        rgba(5, 150, 105, 0.05) 0%, 
        rgba(20, 184, 166, 0.05) 50%,
        rgba(245, 158, 11, 0.05) 100%
    );
    position: relative;
    z-index: 10; /* POSITIVO para estar encima de secciones negativas */
    overflow: visible; /* IMPORTANTE: Permite que dropdown salga */
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: pulse-glow 8s ease-in-out infinite;
    z-index: 0; /* Detrás de todo */
}

.hero > * {
    position: relative;
    z-index: auto; /* No crear contexto de apilamiento */
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: fade-in-up 0.8s var(--transition-base) backwards;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
    animation: fade-in-up 0.8s var(--transition-base) 0.1s backwards;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   SEARCH BOX
   ========================================== */
.search-container {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    animation: fade-in-up 0.8s var(--transition-base) 0.2s backwards;
    z-index: 100;
    padding-bottom: 2rem; /* Espacio extra para el dropdown */
}

.search-box {
    position: relative;
    margin-bottom: var(--spacing-md);
    z-index: 100; /* IMPORTANTE */
}

.search-icon {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    pointer-events: none;
    opacity: 0.4;
    transition: all var(--transition-base);
    z-index: 1;
}

.search-input {
    width: 100%;
    padding: 1.5rem 1.5rem 1.5rem 4rem;
    font-size: 1.125rem;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
    font-family: var(--font-body);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.1), var(--shadow-md);
    transform: translateY(-2px);
}

.search-input:focus + .search-icon {
    opacity: 0.7;
    transform: translateY(-50%) scale(1.1);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

/* ==========================================
   AUTOCOMPLETE - FIXED Z-INDEX
   ========================================== */
.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    width: 100%; /* Mismo ancho que el input */
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden; /* SIN scroll horizontal */
    display: none;
    z-index: 9999; /* SUPER ALTO para estar sobre TODO */
}

.autocomplete-dropdown.active {
    display: block;
    animation: slide-down-fade 0.3s var(--transition-base);
}

@keyframes slide-down-fade {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.autocomplete-item {
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-light);
    min-width: 0; /* Permite que flex items se compriman */
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
    background: var(--gray-100);
    transform: translateX(4px);
}

.autocomplete-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.autocomplete-text {
    flex: 1;
    min-width: 0; /* Permite truncar texto */
    overflow: hidden;
}

.autocomplete-name {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.autocomplete-category {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================
   RECENT SEARCHES
   ========================================== */
.recent-searches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    justify-content: center;
    animation: fade-in 0.5s var(--transition-base) 0.3s backwards;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.recent-tag {
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    cursor: pointer;
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-xs);
}

.recent-tag:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   RESULTS SECTION - LOWER Z-INDEX
   ========================================== */
.results-section {
    padding: var(--spacing-xl) 0;
    opacity: 1;
    transition: opacity var(--transition-slow);
    position: relative;
    /* NO necesita z-index - no contiene dropdown */
}

.results-section.hidden {
    display: none;
    opacity: 0;
}

.food-result-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid var(--border-light);
    animation: scale-fade-in 0.5s var(--transition-bounce);
    position: relative;
    /* NO necesita z-index */
}

@keyframes scale-fade-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.result-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
}

.result-icon {
    font-size: 4rem;
    animation: pop-in 0.6s var(--transition-bounce) 0.2s backwards;
}

@keyframes pop-in {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.result-info h2 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    color: var(--primary);
}

.result-category {
    color: var(--text-secondary);
    font-size: 1rem;
    font-family: var(--font-body);
}

/* Storage Grid */
.storage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.storage-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.storage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--border-medium);
    transition: all var(--transition-base);
}

.storage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.storage-card.pantry::before {
    background: linear-gradient(90deg, var(--warning), var(--warning-light));
}

.storage-card.fridge::before {
    background: linear-gradient(90deg, var(--primary), var(--accent-emerald));
}

.storage-card.freezer::before {
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

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

.storage-title {
    font-size: 1.125rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.storage-icon {
    font-size: 1.5rem;
}

.storage-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-safe {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.storage-duration {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-sm) 0;
}

/* Tips Section */
.tips-section {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--primary);
}

.tips-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
}

.tips-list {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.tip-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.tip-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    color: var(--primary);
}

/* Warnings */
.warnings-section {
    background: linear-gradient(135deg, 
        rgba(239, 68, 68, 0.1) 0%, 
        rgba(248, 113, 113, 0.1) 100%
    );
    border-left: 4px solid var(--danger);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.warnings-title {
    font-size: 1.25rem;
    color: var(--danger);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ==========================================
   POPULAR FOODS SECTION
   ========================================== */

.popular-section {
    padding: var(--spacing-2xl) 0;
    margin: var(--spacing-xl) 0;
}

.popular-header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    position: relative; /* ← Importante */
}

.popular-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
    flex: 1; /* ← Importante */
    text-align: center; /* ← Ahora sí funciona */
}

.view-all-link {
    position: absolute; /* ← Importante */
    right: 0; /* ← Posicionar a la derecha */
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--primary);
    text-decoration: none;
    transition: all var(--transition-base);
}

.view-all-link:hover {
    color: var(--primary-dark);
    transform: translateX(4px);
}

/* Popular Grid */
.popular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
}

/* Popular Item */
.popular-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-body);
    /* Reset button styles */
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.popular-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
    background: var(--bg-primary);
}

.popular-item:active {
    transform: translateY(-2px);
}

/* Animación wiggle en hover del emoji */
.popular-item:hover .popular-emoji {
    animation: wiggle 0.5s ease-in-out;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

.popular-emoji {
    font-size: 2.5rem;
    line-height: 1;
    display: block;
}

.popular-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    line-height: 1.4;
}

/* Dark Mode */
[data-theme="dark"] .popular-item {
    background: var(--bg-primary);
}

[data-theme="dark"] .popular-item:hover {
    background: var(--bg-secondary);
}

/* ==========================================
   SECTION TITLES - Reutilizable para todas las secciones
   ========================================== */

.section-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin: 0 0 var(--spacing-xl) 0;
}



/* Responsive */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.25rem;
    }
}
/* Responsive */
@media (max-width: 768px) {
    .popular-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .popular-title {
        font-size: 1.5rem;
    }
    
    .view-all-link {
        font-size: 0.875rem;
    }
    
    .popular-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .popular-item {
        padding: var(--spacing-md);
    }
    
    .popular-emoji {
        font-size: 2rem;
    }
    
    .popular-name {
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .popular-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
/* ==========================================
   VIRTUAL FRIDGE
   ========================================== */

.fridge-add {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr auto;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-medium);
    overflow: visible; /* IMPORTANTE: Permite que dropdown salga */
}

.fridge-add input,
.fridge-add select {
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    transition: all var(--transition-base);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.fridge-add input:focus,
.fridge-add select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.add-fridge-btn {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-base);
}

.add-fridge-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.fridge-items {
    display: grid;
    gap: var(--spacing-sm);
}

.fridge-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--border-medium);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xs);
}

.fridge-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.fridge-item.expiring-soon {
    border-left-color: var(--warning);
    background: linear-gradient(90deg, 
        rgba(245, 158, 11, 0.1) 0%, 
        var(--bg-secondary) 100%
    );
}

.fridge-item.expired {
    border-left-color: var(--danger);
    background: linear-gradient(90deg, 
        rgba(239, 68, 68, 0.1) 0%, 
        var(--bg-secondary) 100%
    );
}

.fridge-item-icon {
    font-size: 2rem;
}

.fridge-item-name {
    font-weight: 600;
    color: var(--text-primary);
}

.fridge-item-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.fridge-item-status {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.delete-fridge-item {
    background: var(--danger);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.delete-fridge-item:hover {
    background: #dc2626;
    transform: scale(1.05);
}

/* ==========================================
   FRIDGE PAGE STYLES
   ========================================== */
.virtual-fridge-page {
    padding: var(--spacing-3xl) 0;
    min-height: calc(100vh - 200px);
    position: relative;
    z-index: 10; /* POSITIVO para que dropdown esté encima de info-section */
}

.fridge-page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.virtual-fridge-page .virtual-fridge {
    max-height: none;
    opacity: 1;
    overflow: visible; /* IMPORTANTE: Permite que dropdown salga */
}

.virtual-fridge-page .fridge-add {
    grid-template-columns: 2fr 1.5fr 1fr auto;
}

.fridge-autocomplete-wrapper {
    position: relative;
}

.fridge-input {
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    transition: all var(--transition-base);
    background: var(--bg-secondary);
    color: var(--text-primary);
    width: 100%;
}

.fridge-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.fridge-autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-height: 300px;
    overflow-y: auto;
    overflow-x: hidden;
    display: none;
    z-index: 9999;
}

.fridge-autocomplete-dropdown.active {
    display: block;
}

.fridge-autocomplete-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-light);
    min-width: 0; /* Permite que flex items se compriman */
}

.fridge-autocomplete-item:last-child {
    border-bottom: none;
}

.fridge-autocomplete-item:hover,
.fridge-autocomplete-item:focus {
    background: var(--bg-tertiary);
    outline: none;
}

/* ==========================================
   STATS BAR ANIMADO - Infinite Scroll
   ========================================== */

.stats-ticker {
    width: 100%;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        rgba(5, 150, 105, 0.03) 0%,
        rgba(5, 150, 105, 0.08) 50%,
        rgba(5, 150, 105, 0.03) 100%
    );
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-lg) 0;
    margin: var(--spacing-2xl) 0;
    position: relative;
}

/* Fade effect en los bordes */
.stats-ticker::before,
.stats-ticker::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.stats-ticker::before {
    left: 0;
    background: linear-gradient(
        to right,
        var(--bg-primary) 0%,
        transparent 100%
    );
}

.stats-ticker::after {
    right: 0;
    background: linear-gradient(
        to left,
        var(--bg-primary) 0%,
        transparent 100%
    );
}

/* Track que se mueve */
.stats-ticker-track {
    display: flex;
    gap: var(--spacing-2xl);
    animation: scroll-left 40s linear infinite;
    width: fit-content;
}

/* Animación de scroll infinito */
@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%); /* -50% porque duplicamos el contenido */
    }
}

/* Pausa animación al hacer hover */
.stats-ticker:hover .stats-ticker-track {
    animation-play-state: paused;
}

/* Stat Item */
.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    white-space: nowrap;
    transition: all var(--transition-base);
    flex-shrink: 0; /* Importante para que no se compriman */
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.stat-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1;
}

/* Dark Mode */
[data-theme="dark"] .stats-ticker {
    background: linear-gradient(
        135deg,
        rgba(16, 185, 129, 0.03) 0%,
        rgba(16, 185, 129, 0.08) 50%,
        rgba(16, 185, 129, 0.03) 100%
    );
}

[data-theme="dark"] .stats-ticker::before {
    background: linear-gradient(
        to right,
        var(--bg-primary) 0%,
        transparent 100%
    );
}

[data-theme="dark"] .stats-ticker::after {
    background: linear-gradient(
        to left,
        var(--bg-primary) 0%,
        transparent 100%
    );
}

[data-theme="dark"] .stat-item {
    background: var(--bg-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .stats-ticker {
        padding: var(--spacing-md) 0;
        margin: var(--spacing-xl) 0;
    }
    
    .stats-ticker-track {
        gap: var(--spacing-lg);
        animation-duration: 30s; /* Más rápido en mobile */
    }
    
    .stat-item {
        padding: var(--spacing-xs) var(--spacing-md);
        gap: var(--spacing-xs);
    }
    
    .stat-icon {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 1rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* Fade más pequeño en mobile */
    .stats-ticker::before,
    .stats-ticker::after {
        width: 50px;
    }
}

/* Reduce motion para accesibilidad */
@media (prefers-reduced-motion: reduce) {
    .stats-ticker-track {
        animation: none;
    }
}

/* ==========================================
   AFFILIATE SECTION
   ========================================== */
.affiliate-section {
    padding: var(--spacing-2xl) 0;
    position: relative;
    /* NO necesita z-index - no contiene dropdown */
}


.affiliate-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Forzar 3 columnas en desktop */
    gap: var(--spacing-md);
}

/* ASEGURAR 3 columnas en tablets grandes y desktop */
@media (min-width: 769px) {
    .affiliate-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

.affiliate-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-base);
    display: block;
    box-shadow: var(--shadow-xs);
}

.affiliate-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.affiliate-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.affiliate-card h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary);
}

.affiliate-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-links.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--glass-bg);
        backdrop-filter: blur(12px);
        padding: var(--spacing-md);
        border-top: 1px solid var(--border-light);
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .search-input {
        font-size: 1rem;
        padding: 1.25rem 1.25rem 1.25rem 3.5rem;
    }
    
    .storage-grid {
        grid-template-columns: 1fr;
    }
    
    .popular-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .fridge-add {
        grid-template-columns: 1fr;
    }
    
    .fridge-item {
        grid-template-columns: auto 1fr;
        gap: var(--spacing-sm);
    }
    
    .fridge-item-status,
    .delete-fridge-item {
        grid-column: 1 / -1;
    }
    
    .info-grid,
    .affiliate-grid {
        grid-template-columns: 1fr;
    }
    
    .logo-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .result-header {
        flex-direction: column;
        text-align: center;
    }
    
    .result-icon {
        font-size: 3rem;
    }
    
    .result-info h2 {
        font-size: 1.5rem;
    }
}

/* FAQ Page Header */
.faq-page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
    min-height: 60vh;
}

.faq-grid {
    display: grid;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.faq-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 2px solid var(--border-light);
    transition: all var(--transition-base);
}

.faq-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.faq-highlight {
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    border-color: var(--primary);
}

[data-theme="dark"] .faq-highlight {
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.faq-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.faq-question h3 {
    color: var(--primary);
    font-size: 1.25rem;
    margin: 0;
    line-height: 1.4;
}

.faq-answer {
    padding-left: calc(2rem + var(--spacing-md));
}

.faq-answer p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.6;
}

.faq-answer ul {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0;
}

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

.faq-rule-box {
    background: rgba(251, 191, 36, 0.1);
    border-left: 4px solid var(--warning);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-md);
}

[data-theme="dark"] .faq-rule-box {
    background: rgba(251, 191, 36, 0.15);
}

.faq-rule-box h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--warning);
    font-size: 1.1rem;
}

.faq-rule-box p {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.faq-rule-list {
    margin: var(--spacing-sm) 0 0 0;
}

.faq-rule-list li {
    padding: var(--spacing-xs) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-days {
    background: var(--primary);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
}

.faq-tip {
    background: rgba(52, 211, 153, 0.1);
    border-left: 4px solid var(--primary);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0 0 0;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

[data-theme="dark"] .faq-tip {
    background: rgba(52, 211, 153, 0.15);
}

.faq-examples {
    margin-top: var(--spacing-lg);
}

.faq-examples h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--primary);
    font-size: 1.1rem;
}

.faq-example-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.faq-example {
    display: grid;
    grid-template-columns: 1fr auto 120px;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.example-dish {
    font-weight: 500;
    color: var(--text-primary);
}

.example-arrow {
    color: var(--primary);
    font-size: 1.25rem;
}

.example-time {
    text-align: right;
    font-weight: 600;
    color: var(--primary);
}

.faq-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-md) 0;
}

.faq-column h4 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1rem;
}

.faq-yes {
    color: var(--success);
}

.faq-no {
    color: var(--danger);
}

.faq-column ul {
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .faq-answer {
        padding-left: 0;
    }
    
    .faq-question {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .faq-example {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .example-arrow {
        display: none;
    }
    
    .example-time {
        text-align: center;
        margin-top: var(--spacing-xs);
    }
}

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */
@media (prefers-reduced-motion: no-preference) {
    .popular-card {
        opacity: 0;
        animation: fade-in-up 0.6s var(--transition-base) forwards;
    }
    
    .popular-card:nth-child(1) { animation-delay: 0.1s; }
    .popular-card:nth-child(2) { animation-delay: 0.15s; }
    .popular-card:nth-child(3) { animation-delay: 0.2s; }
    .popular-card:nth-child(4) { animation-delay: 0.25s; }
    .popular-card:nth-child(5) { animation-delay: 0.3s; }
    .popular-card:nth-child(6) { animation-delay: 0.35s; }
    .popular-card:nth-child(7) { animation-delay: 0.4s; }
    .popular-card:nth-child(8) { animation-delay: 0.45s; }
    
    .info-card {
        opacity: 0;
        animation: fade-in-up 0.6s var(--transition-base) forwards;
    }
    
    .info-card:nth-child(1) { animation-delay: 0.1s; }
    .info-card:nth-child(2) { animation-delay: 0.2s; }
    .info-card:nth-child(3) { animation-delay: 0.3s; }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* El spinner en sí */
.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Spinner pequeño para botones */
.btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 8px;
}

/* ==========================================
   2. ANIMACIONES AL AÑADIR A NEVERA
   Por qué: Hace la acción más satisfactoria
   ========================================== */

/* Animación de "pop" cuando se añade */
@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(-20px);
    }
    60% {
        transform: scale(1.05) translateY(0);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Clase para items nuevos */
.fridge-item.new-item {
    animation: popIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Shake animation cuando hay error */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s;
}

/* Pulse para botón de añadir */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(5, 150, 105, 0);
    }
}

.pulse {
    animation: pulse 0.6s;
}

/* ==========================================
   3. CONFETTI CONTAINER
   Por qué: Celebrar acciones completadas
   ========================================== */

#confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    overflow: hidden;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--primary);
    top: -10px;
    opacity: 0;
    animation: confetti-fall 3s ease-out forwards;
}

@keyframes confetti-fall {
    0% {
        opacity: 1;
        transform: translateY(0) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotate(720deg);
    }
}

/* ==========================================
   4. EMPTY STATE MEJORADO
   Por qué: Más atractivo e informativo
   ========================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.empty-state-icon {
    font-size: 5rem;
    opacity: 0.3;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.empty-state-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--text-primary);
    margin: 0;
}

.empty-state-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 500px;
    line-height: 1.6;
}

.empty-state-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    margin-top: var(--spacing-md);
}

.empty-state-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   5. ORDENAMIENTO DE NEVERA - CONTROLES
   Por qué: Útil cuando tienes muchos items
   ========================================== */

.fridge-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.fridge-stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.fridge-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-radius: 0;
    padding: 0;
}

.stat-value {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.sort-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.sort-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.sort-select {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sort-select:hover {
    border-color: var(--primary);
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

/* ==========================================
   6. BADGES DE ESTADO (para ordenar visuales)
   ========================================== */

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.fresh {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.status-badge.expired {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* ==========================================
   7. TOAST NOTIFICATIONS (alternativa a confetti)
   Por qué: Feedback inmediato de acciones
   ========================================== */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    transform: translateX(400px);
    opacity: 0;
    pointer-events: all;
    transition: all var(--transition-base);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-icon {
    font-size: 1.5rem;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.toast-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

/* Dark mode para toast */
[data-theme="dark"] .toast {
    background: var(--bg-secondary);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ==========================================
   8. RESPONSIVE PARA NUEVOS ELEMENTOS
   ========================================== */

@media (max-width: 768px) {
    .fridge-controls {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .fridge-stats {
        width: 100%;
        justify-content: space-between;
    }
    
    .sort-controls {
        width: 100%;
    }
    
    .sort-select {
        flex: 1;
    }
    
    .toast-container {
        right: 10px;
        left: 10px;
    }
    
    .toast {
        min-width: auto;
    }
    
    .empty-state {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .empty-state-icon {
        font-size: 4rem;
    }
    
    .empty-state-title {
        font-size: 1.5rem;
    }
}

/* ==========================================
   NUEVO FOOTER PROFESIONAL
   ========================================== */

.footer-new {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

/* Footer Grid */
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

/* Footer Column */
.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Footer Brand */
.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-logo {
    font-size: 2rem;
}

.footer-brand-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: #059669;
    margin: 0;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin: 0;
}

/* Footer Social */
.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Footer Titles */
.footer-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: #059669;
    margin: 0 0 var(--spacing-sm) 0;
}

/* Footer Links */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-base);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Support Link - Color diferente tipo café/cálido ☕ */
.support-link {
    color: #d97706 !important; /* Ámbar/café */
    font-weight: 500 !important; /* Ligeramente más bold */
}

.support-link:hover {
    color: #ea580c !important; /* Naranja vivo */
    text-decoration: underline;
}

/* Dark Mode - Colores más brillantes */
[data-theme="dark"] .support-link {
    color: #fbbf24 !important; /* Amarillo dorado */
}

[data-theme="dark"] .support-link:hover {
    color: #fcd34d !important; /* Amarillo brillante */
}

/* Dark Mode - Footer Brand & Titles */
[data-theme="dark"] .footer-brand-name {
    color: #34d399; /* Verde esmeralda brillante */
}

[data-theme="dark"] .footer-title {
    color: #34d399; /* Verde esmeralda brillante */
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.footer-disclaimer-short {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin: 0;
    text-align: right;
}

/* Dark Mode General */
[data-theme="dark"] .footer-new {
    background: var(--bg-primary);
    border-top-color: var(--border-light);
}

[data-theme="dark"] .social-link {
    background: var(--bg-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
    
    .footer-column:last-child {
        grid-column: span 3;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-column:first-child {
        grid-column: span 2;
    }
    
    .footer-column:last-child {
        grid-column: span 2;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-disclaimer-short {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-column:first-child,
    .footer-column:last-child {
        grid-column: span 1;
    }
    
    .footer-new {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
}

/* ==========================================
   FOODS.HTML PAGE - SPECIFIC STYLES
   ========================================== */

/* Foods Hero */
.foods-hero {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(
        135deg,
        rgba(5, 150, 105, 0.03) 0%,
        rgba(5, 150, 105, 0.08) 50%,
        rgba(5, 150, 105, 0.03) 100%
    );
    border-bottom: 1px solid var(--border-light);
}

.foods-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.foods-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Foods Controls */
.foods-controls {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
    position: sticky;
    top: 80px;
    z-index: 10;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

/* Modo compacto al hacer scroll */
.foods-controls.sticky-compact {
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.foods-controls.sticky-compact .foods-search-wrapper {
    max-width: 300px;
    margin: 0 var(--spacing-lg) 0 0;
}

.foods-controls.sticky-compact .foods-search-input {
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 2.5rem;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
}

.foods-controls.sticky-compact .foods-search-wrapper .search-icon {
    font-size: 1rem;
    left: var(--spacing-sm);
}

.foods-controls.sticky-compact .category-filters {
    margin-bottom: 0;
    gap: var(--spacing-xs);
    flex: 1;
}

.foods-controls.sticky-compact .category-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8125rem;
}

.foods-controls.sticky-compact .results-count {
    margin-left: var(--spacing-lg);
    white-space: nowrap;
}

.foods-controls.sticky-compact #results-count-text {
    font-size: 0.8125rem;
}

.foods-controls.sticky-compact .foods-controls-inner {
    flex-wrap: nowrap;
}

/* Layout interno del panel de controles */
.foods-controls-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.foods-filter-group {
    display: flex;
    align-items: center;
    flex: 1;
    gap: var(--spacing-md);
}

/* Search Bar */
.foods-search-wrapper {
    position: relative;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.foods-search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
    font-size: 1rem;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.foods-search-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-primary);
}

.foods-search-wrapper .search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    opacity: 0.5;
    pointer-events: none;
}

/* Category Filters */
.category-filters {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.category-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-body);
}

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

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

/* Results Count */
.results-count {
    text-align: center;
}

#results-count-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Foods Grid Section */
.foods-grid-section {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
    min-height: 60vh;
}

/* Category Section */
.food-category-section {
    margin-bottom: var(--spacing-3xl);
}

.category-section-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xl) 0;
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
}

/* Food Cards Grid */
.food-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

/* Food Card */
.food-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.food-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
    background: var(--bg-primary);
}

.food-card:active {
    transform: translateY(-2px);
}

.food-card-icon {
    font-size: 2.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.food-card-content {
    flex: 1;
    min-width: 0;
}

.food-card-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.food-card-category {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm) 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.food-card-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.preview-icon {
    font-size: 1rem;
}

.food-card-arrow {
    font-size: 1.25rem;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.food-card:hover .food-card-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--primary);
}

/* Empty State */
.foods-grid-section .empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.empty-icon {
    font-size: 4rem;
    opacity: 0.3;
    display: block;
    margin-bottom: var(--spacing-lg);
}

.empty-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.empty-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Dark Mode */
[data-theme="dark"] .foods-hero {
    background: linear-gradient(
        135deg,
        rgba(16, 185, 129, 0.03) 0%,
        rgba(16, 185, 129, 0.08) 50%,
        rgba(16, 185, 129, 0.03) 100%
    );
}

[data-theme="dark"] .food-card {
    background: var(--bg-primary);
}

[data-theme="dark"] .food-card:hover {
    background: var(--bg-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .foods-hero {
        padding: var(--spacing-2xl) 0 var(--spacing-xl);
    }
    
    .foods-title {
        font-size: 2rem;
    }
    
    .foods-subtitle {
        font-size: 1rem;
    }
    
    .foods-controls {
        top: 60px;
        padding: var(--spacing-xl) 0;
    }
    
    .foods-controls.sticky-compact {
        padding: var(--spacing-sm) 0;
    }
    
    .foods-controls-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .foods-controls.sticky-compact .foods-controls-inner {
        flex-direction: column;
    }

    .foods-controls.sticky-compact .foods-search-wrapper {
        max-width: 100%;
        margin: 0 0 var(--spacing-sm) 0;
    }

    .foods-filter-group {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .foods-controls.sticky-compact .category-filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .foods-controls.sticky-compact .category-filters::-webkit-scrollbar {
        display: none;
    }

    .foods-controls.sticky-compact .results-count {
        margin-left: 0;
        text-align: left;
    }
    
    .category-section-title {
        font-size: 1.5rem;
    }
    
    .food-cards-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .category-filters {
        gap: var(--spacing-xs);
    }
    
    .category-btn {
        font-size: 0.8125rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .foods-title {
        font-size: 1.75rem;
    }
    
    .foods-subtitle {
        font-size: 0.9375rem;
    }
    
    .food-card {
        padding: var(--spacing-md);
    }
    
    .food-card-icon {
        font-size: 2rem;
    }
}