/* ===================================
   Solo Recetas - Sistema de Diseño
   =================================== */

:root {
    /* Paleta de Colores - Modo Claro (Default) */
    --color-crema: #FAF7F0;
    --color-blanco: #FFFFFF;
    --color-verde-salvia: #9CAF88;
    --color-verde-salvia-oscuro: #7A9270;
    --color-terracota: #D4756C;
    --color-terracota-oscuro: #B85F56;
    --color-texto: #2C3E2E;
    --color-texto-secundario: #6B7B6A;
    --color-texto-claro: #8A9A89;
    --color-borde: rgba(0, 0, 0, 0.05);

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(44, 62, 46, 0.05);
    --shadow-md: 0 4px 6px rgba(44, 62, 46, 0.07);
    --shadow-lg: 0 10px 15px rgba(44, 62, 46, 0.1);
    --shadow-xl: 0 20px 25px rgba(44, 62, 46, 0.15);

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Tipografía */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Bordes */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Navbar */
    --navbar-height: 70px;
}

[data-theme="dark"] {
    --color-crema: #1a1c1a;
    /* Background dark */
    --color-blanco: #242624;
    /* Card background */
    --color-verde-salvia: #9CAF88;
    /* Keep original accent */
    --color-verde-salvia-oscuro: #B5C9A9;
    /* Lighter for hover in dark */
    --color-terracota: #D4756C;
    --color-terracota-oscuro: #E58F87;
    --color-texto: #ECECEC;
    --color-texto-secundario: #B0B0B0;
    --color-texto-claro: #777;
    --color-borde: rgba(255, 255, 255, 0.1);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
}

/* ===================================
   Reset y Base
   =================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-texto);
    background-color: var(--color-crema);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea {
    font-family: inherit;
}

/* ===================================
   Navegación
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background-color: var(--color-blanco);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-verde-salvia);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-terracota);
}

.brand-text {
    background: linear-gradient(135deg, var(--color-verde-salvia), var(--color-terracota));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-texto);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--color-texto-secundario);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

.nav-link svg {
    width: 20px;
    height: 20px;
}

.nav-link:hover {
    color: var(--color-verde-salvia);
    background-color: rgba(156, 175, 136, 0.1);
}

.nav-link.active {
    color: var(--color-verde-salvia);
    background-color: rgba(156, 175, 136, 0.15);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 3px;
    background-color: var(--color-terracota);
    border-radius: var(--radius-full);
}

/* ===================================
   Layout Principal
   =================================== */

.main-content {
    margin-top: var(--navbar-height);
    min-height: calc(100vh - var(--navbar-height));
}

.section {
    display: none;
    padding: var(--spacing-xl) 0;
    animation: fadeIn var(--transition-base);
}

.section.active {
    display: block;
}

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Tipografía
   =================================== */

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-texto-secundario);
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.section-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-texto);
}

/* ===================================
   Componentes: Botones
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-verde-salvia);
    color: var(--color-blanco);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-icon {
    padding: 0.875rem;
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-blanco);
    color: var(--color-texto-secundario);
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.filter-btn:hover {
    background-color: var(--color-verde-salvia);
    color: var(--color-blanco);
}

.filter-btn.active {
    background-color: var(--color-verde-salvia);
    color: var(--color-blanco);
    box-shadow: var(--shadow-md);
}

/* ===================================
   Sección: Inicio - Hero
   =================================== */

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, rgba(156, 175, 136, 0.1), rgba(212, 117, 108, 0.05));
    border-radius: var(--radius-lg);
    margin: 0 var(--spacing-md) var(--spacing-xl);
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 1.1;
    background: linear-gradient(135deg, var(--color-texto), var(--color-verde-salvia));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--color-texto-secundario);
    line-height: 1.5;
}

.recipe-card-featured {
    background-color: var(--color-blanco);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.recipe-image-placeholder,
.recipe-image-featured {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--color-verde-salvia), var(--color-terracota));
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-base);
}

.recipe-card-featured:hover .recipe-image-featured {
    transform: scale(1.02);
}

/* ===================================
   Componentes: Cards
   =================================== */

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

.category-card {
    background-color: var(--color-blanco);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.category-card p {
    color: var(--color-texto-secundario);
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.recipe-card {
    background-color: var(--color-blanco);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    cursor: pointer;
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.recipe-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--color-verde-salvia), var(--color-terracota));
    position: relative;
}

.recipe-time {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.95);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-texto);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.recipe-content {
    padding: var(--spacing-md);
}

.recipe-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.recipe-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(156, 175, 136, 0.15);
    color: var(--color-verde-salvia-oscuro);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.recipe-description {
    color: var(--color-texto-secundario);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* ===================================
   Sección: Recetas - Búsqueda
   =================================== */

.search-header {
    margin-bottom: var(--spacing-lg);
}

.search-bar {
    position: relative;
    max-width: 600px;
    margin-top: var(--spacing-md);
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-texto-claro);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid transparent;
    background-color: var(--color-blanco);
    border-radius: var(--radius-md);
    font-size: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-verde-salvia);
    box-shadow: var(--shadow-lg);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   Sección: Plan Semanal
   =================================== */

.weekly-plan {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

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

.day-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-verde-salvia);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-crema);
}

.meal-slot {
    margin-bottom: var(--spacing-md);
}

.meal-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-texto-secundario);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meal-placeholder {
    padding: var(--spacing-md);
    background-color: var(--color-crema);
    border: 2px dashed var(--color-texto-claro);
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--color-texto-secundario);
    cursor: pointer;
    transition: var(--transition-base);
}

.meal-placeholder:hover {
    background-color: rgba(156, 175, 136, 0.1);
    border-color: var(--color-verde-salvia);
    color: var(--color-verde-salvia);
}

.meal-added {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    background-color: var(--color-crema);
    border-radius: var(--radius-md);
    position: relative;
    cursor: pointer;
    transition: var(--transition-base);
}

.meal-added:hover {
    background-color: rgba(156, 175, 136, 0.1);
    transform: translateX(5px);
}

.meal-thumb {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}

.meal-name {
    font-size: 0.9375rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 20px;
}

.remove-meal {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-color: var(--color-terracota);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    opacity: 0;
    transition: var(--transition-base);
}

.meal-added:hover .remove-meal {
    opacity: 1;
}

.remove-meal:hover {
    background-color: var(--color-terracota-oscuro);
    transform: translateY(-50%) scale(1.1);
}

/* ===================================
   Sección: Chef - Chat
   =================================== */

.chat-container {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--color-blanco);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    height: calc(100vh - 180px);
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: calc(var(--spacing-xl) + var(--spacing-sm)) var(--spacing-lg) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-verde-salvia), var(--color-terracota));
    color: var(--color-blanco);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.chat-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.2), transparent 70%);
    pointer-events: none;
}

.chat-header .page-title,
.chat-header .page-subtitle {
    color: var(--color-blanco);
}

.chat-messages {
    flex: 1;
    height: auto;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    animation: slideIn var(--transition-base);
}

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

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

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--color-verde-salvia);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.message-content {
    flex: 1;
    background-color: var(--color-crema);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .message-avatar {
    background-color: var(--color-terracota);
}

.user-message .message-content {
    background-color: rgba(156, 175, 136, 0.15);
}

[data-theme="dark"] .message-content {
    background-color: var(--color-blanco);
    color: var(--color-texto);
}

[data-theme="dark"] .user-message .message-content {
    background-color: rgba(156, 175, 136, 0.2);
}

.suggestions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.suggestion-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-blanco);
    border: 2px solid var(--color-verde-salvia);
    color: var(--color-verde-salvia);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: left;
    transition: var(--transition-base);
}

.suggestion-btn:hover {
    background-color: var(--color-verde-salvia);
    color: var(--color-blanco);
}

.chat-input-container {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-top: 2px solid var(--color-borde);
    background-color: var(--color-blanco);
}

.chat-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid transparent;
    background-color: var(--color-crema);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-base);
}

.chat-input:focus {
    outline: none;
    border-color: var(--color-verde-salvia);
    background-color: var(--color-blanco);
}

[data-theme="dark"] .chat-input {
    background-color: var(--color-crema);
    color: var(--color-texto);
}

[data-theme="dark"] .chat-input:focus {
    background-color: var(--color-blanco);
}

.chat-input:disabled,
.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Indicador de Pensando */
.thinking-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.thinking-indicator span {
    width: 8px;
    height: 8px;
    background-color: var(--color-verde-salvia);
    border-radius: var(--radius-full);
    animation: thinkingBounce 1.4s infinite ease-in-out both;
}

.thinking-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.thinking-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes thinkingBounce {

    0%,
    80%,
    100% {
        transform: scale(0);
        opacity: 0.5;
    }

    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===================================
   Sección: Perfil
   =================================== */

.profile-content {
    max-width: 800px;
    margin: 0 auto;
}

.profile-card {
    background-color: var(--color-blanco);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
}

.profile-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-verde-salvia), var(--color-terracota));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blanco);
}

.profile-avatar svg {
    width: 50px;
    height: 50px;
}

.profile-card h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.profile-email {
    color: var(--color-texto-secundario);
}

.profile-section {
    background-color: var(--color-blanco);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.preferences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.checkbox-label:hover {
    background-color: var(--color-crema);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-verde-salvia);
}

.empty-state {
    text-align: center;
    color: var(--color-texto-secundario);
    padding: var(--spacing-xl);
}

.loading-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-texto-secundario);
}

.loading-state p {
    margin-top: var(--spacing-md);
    font-size: 1.125rem;
}

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

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--color-crema);
    border-radius: var(--radius-md);
}

.toggle {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-texto-claro);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-blanco);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.toggle input:checked+.toggle-slider {
    background-color: var(--color-verde-salvia);
}

.toggle input:checked+.toggle-slider::before {
    transform: translateX(24px);
}

/* ===================================
   Responsividad
   =================================== */

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-blanco);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
        gap: var(--spacing-xs);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition-base);
        pointer-events: none;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .hero-image {
        order: -1;
    }

    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .recipes-grid {
        grid-template-columns: 1fr;
    }

    .weekly-plan {
        grid-template-columns: 1fr;
    }

    .chat-container {
        border-radius: 0;
        margin: 0;
        width: 100%;
        height: calc(100vh - var(--navbar-height));
        display: flex;
        flex-direction: column;
        box-shadow: none;
    }

    .chat-messages {
        flex: 1;
        /* Take available space */
        height: auto;
        padding: 1rem 1.5rem;
    }

    .message-avatar {
        width: 32px;
        height: 32px;
        font-size: 1.2rem;
    }

    .chat-input-container {
        padding: 12px 24px;
        background-color: var(--color-blanco);
        position: sticky;
        bottom: 0;
        border-top: 1px solid var(--color-crema);
    }
}

@media (max-width: 480px) {
    :root {
        --navbar-height: 60px;
    }

    .nav-brand {
        font-size: 1.25rem;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .hero {
        margin: 0 0 var(--spacing-lg);
        border-radius: 0;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }
}

/* Forced Mobile Chat Styles Override */
@media (max-width: 768px) {
    .chat-container {
        border-radius: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        height: calc(100vh - 60px) !important;
        display: flex !important;
        flex-direction: column !important;
        box-shadow: none !important;
    }

    .chat-messages {
        flex: 1 !important;
        height: auto !important;
        padding-bottom: 0 !important;
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }

    .chat-input-container {
        position: sticky !important;
        bottom: 0 !important;
        background-color: var(--color-blanco) !important;
        border-top: 1px solid var(--color-crema) !important;
        padding: 12px 24px !important;
        z-index: 10;
    }
}


/* Skeleton Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: var(--radius-md);
}

[data-theme="dark"] .skeleton {
    background: linear-gradient(90deg, #2a2c2a 25%, #1f211f 50%, #2a2c2a 75%);
    background-size: 200% 100%;
}

.skeleton-card {
    background: var(--color-blanco);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 380px;
    display: flex;
    flex-direction: column;
}

.skeleton-image {
    height: 200px;
    width: 100%;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
}

[data-theme="dark"] .skeleton-image {
    background: linear-gradient(90deg, #2a2c2a 25%, #1f211f 50%, #2a2c2a 75%);
    background-size: 200% 100%;
}

.skeleton-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skeleton-text {
    height: 16px;
    width: 80%;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 12px;
}

.skeleton-tag {
    height: 20px;
    width: 30%;
    border-radius: 12px;
}


/* Native App Feel */
body {
    -webkit-user-select: none;
    /* Safari */
    -moz-user-select: none;
    /* Firefox */
    -ms-user-select: none;
    /* IE10+/Edge */
    user-select: none;
    /* Standard */
    -webkit-touch-callout: none;
    /* iOS Safari */
    -webkit-tap-highlight-color: transparent;
}

/* Allow selection on ingredients and instructions for usability */
.detail-content,
.recipe-description,
.message-content p {
    -webkit-user-select: text;
    user-select: text;
}

/* ===================================
   Mobile Optimizations for Chat
   =================================== */
/* ===================================
   Mobile Optimizations for Chat
   =================================== */
@media (max-width: 768px) {
    #chef.active {
        padding: 0 !important;
        /* Forced full screen overlay - Native App behavior */
        position: fixed;
        top: var(--navbar-height);
        /* Reset Top to respect navbar */
        left: 0;
        right: 0;
        bottom: 0;
        height: calc(100dvh - var(--navbar-height));
        /* Subtract header height */
        width: 100vw;
        z-index: 900;
        /* Below Navbar (1000) */
        background-color: var(--color-blanco);
        display: flex;
        flex-direction: column;
        overflow: hidden;
        /* Prevent body scroll bleed */
    }

    #chef .container {
        padding: 0;
        height: 100%;
        max-width: 100%;
        width: 100%;
    }

    .chat-container {
        border-radius: 0;
        box-shadow: none;
        height: 100% !important;
        max-height: 100dvh;
        margin: 0;
        width: 100%;
        border: none;
        display: flex;
        flex-direction: column;
    }

    .chat-header {
        border-radius: 0;
        /* Compact padding for mobile */
        padding-top: 24px;
        padding-left: 24px;
        padding-right: 24px;
        padding-bottom: 8px;
        flex-shrink: 0;
        min-height: auto;
    }

    .chat-header .page-title {
        font-size: 1.25rem;
        /* Smaller title for mobile */
        margin-bottom: 2px;
    }

    .chat-header .page-subtitle {
        font-size: 0.8rem;
        margin-bottom: 0;
        opacity: 0.9;
    }

    .chat-messages {
        height: auto;
        flex: 1;
        padding: var(--spacing-md);
        /* Add padding bottom to account for fixed input */
        padding-bottom: 90px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        /* Smooth scroll on iOS */
    }

    .chat-input-container {
        position: fixed;
        bottom: 0 !important;
        /* Force bottom placement */
        left: 0;
        right: 0;
        width: 100%;
        padding: 12px 24px !important;
        /* Match site-wide 24px horizontal padding */
        background-color: var(--color-blanco);
        /* Solid background */
        backdrop-filter: none;
        border: none;
        border-top: 1px solid var(--color-crema);
        border-radius: 0;
        z-index: 2001;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
        display: flex;
        gap: 12px;
        align-items: center;
        /* Center items vertically */
        justify-content: space-between;
        /* Distribute space evenly */
    }

    .chat-input {
        flex: 1;
        /* Take available space */
        background-color: var(--color-crema);
        border-radius: 20px;
        padding: 12px 16px;
        /* Increased padding for better touch target */
        height: auto;
        min-height: 44px;
        /* Increased for better touch target */
        max-height: 120px;
        font-size: 16px;
        resize: none;
        overflow-y: auto;
        /* Allow scrolling when content exceeds max-height */
        font-family: inherit;
        line-height: 1.4;
        /* Prevent zoom on iOS */
        border: 2px solid transparent;
        /* Add border for focus state */
    }

    .chat-input:focus {
        background-color: var(--color-blanco);
        border-color: var(--color-verde-salvia);
        outline: none;
    }

    .chat-input-container .btn-icon {
        border-radius: 50%;
        width: 48px;
        height: 48px;
        min-width: 48px;
        /* Prevent shrinking */
        min-height: 48px;
        /* Prevent shrinking */
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        background-color: var(--color-verde-salvia);
        color: white;
        border: none;
    }
}

/* ===================================
   Load More Button
   =================================== */
.load-more-container {
    grid-column: 1 / -1;
    /* Span full width of grid */
    display: flex;
    justify-content: center;
    padding: var(--spacing-lg) 0;
}

.btn-load-more {
    background-color: transparent;
    border: 2px solid var(--color-verde-salvia);
    color: var(--color-verde-salvia);
    padding: 0.8rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-load-more:hover {
    background-color: var(--color-verde-salvia);
    color: var(--color-blanco);
}

/* =================================== 
   PWA Install Prompt 
   =================================== */
.pwa-install-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--color-blanco);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 2000;
    width: 90%;
    max-width: 400px;
    opacity: 0;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.pwa-icon {
    font-size: 24px;
    background: var(--color-crema);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.pwa-content {
    flex: 1;
}

.pwa-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-texto);
    margin: 0 0 2px 0;
}

.pwa-subtitle {
    font-size: 0.8rem;
    color: var(--color-texto-secundario);
    margin: 0;
}

.pwa-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-install {
    background-color: var(--color-verde-salvia);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-install:hover {
    background-color: var(--color-verde-salvia-oscuro);
}

.btn-dismiss {
    background: none;
    border: none;
    color: var(--color-texto-secundario);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.btn-dismiss:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--color-texto);
}