/* ==========================================================================
   VARIABLES GLOBALES
   ========================================================================== */
:root {
    --primary-color: #ff8000;
    --primary-hover: #e67300;
    --secondary-color: #0f766e;
    --secondary-hover: #0d5f58;
    
    --bg-color: #d9dce3; 
    --surface-color: #ffffff; 
    --text-main: #1f2937;
    --text-muted: #4b5563; 
    --border-color: #d1d5db; 
    
    /* Sombras*/
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    
    /* Espaciados y bordes */
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Tipografía */
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
}

/* ==========================================================================
   LAYOUT GLOBAL
   ========================================================================== */
.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content,
.listado-main,
.detalle-main,
.login-main,
.register-main,
.edicion-main {
    flex-grow: 1;
    padding-top: 5rem;
    padding-bottom: 3rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    width: 100%;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

/* ==========================================================================
   COMPONENTES GENÉRICOS (Botones y Tarjetas base)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

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

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

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

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

.btn-full {
    width: 100%;
}

.btn-add-cart {
    background-color: #f3f4f6;
    color: var(--text-main);
    padding: 0.5rem;
    border-radius: var(--radius-md);
}

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

/* Clase base compartida para tarjetas (ahorra mucho código) */
.base-card {
    background-color: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

/* ==========================================================================
   HEADER Y FOOTER
   ========================================================================== */
.main-header {
    background-color: var(--secondary-color);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 50;
    height: 4.5rem;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-link {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    color: var(--primary-color);
}

.logo-link span {
    color: var(--primary-color); 
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a { 
    font-weight: 500; 
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.2s, transform 0.2s;
}

.nav-links a:hover { 
    color: var(--primary-color);
    transform: translateY(-1px);
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-cart { 
    background: none; 
    border: none; 
    font-size: 1.35rem; 
    cursor: pointer; 
    color: white; 
    transition: transform 0.2s;
}

.cart-count { 
    background: var(--primary-color);
    color: white; 
    font-size: 0.75rem; 
    padding: 0.15rem 0.4rem; 
    border-radius: var(--radius-full); 
    font-weight: bold; 
    vertical-align: top; 
    margin-left: -8px; 
    border: 2px solid var(--secondary-color);
}

.main-footer {
    background-color: #1f2937;
    color: #d1d5db;
    padding: 3rem 0;
    margin-top: auto;
}

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

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-title {
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    font-size: 0.875rem;
}

/* ==========================================================================
   LOGOS PERSONALIZADOS
   ========================================================================== */

/* Logo del Header */
.header-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 0.75rem;
}

.logo-link {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
}

.search-logo-img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1rem;
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   INICIO (index.html)
   ========================================================================== */
.hero-section {
    background-color: var(--secondary-color);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin: 2rem 0 3rem 0;
}

@media (min-width: 768px) {
    .hero-section {
        flex-direction: row;
        padding: 4rem;
        justify-content: space-between;
    }
}

.hero-text {
    flex: 1;
    color: white;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-image-placeholder {
    width: 200px;
    height: 200px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
}

.address-search-form {
    width: 100%;
    max-width: 500px;
    margin-top: 1rem;
}

.search-input-wrapper {
    display: flex;
    background-color: white;
    border-radius: var(--radius-full);
    padding: 0.5rem;
    box-shadow: var(--shadow-md);
}

.search-input-wrapper .input-icon {
    padding: 0 0.5rem 0 1rem;
    display: flex;
    align-items: center;
}

.search-input-main {
    flex-grow: 1;
    border: none;
    outline: none;
    padding: 0.5rem;
    font-size: 1rem;
}

.btn-search-main {
    padding: 0.75rem 2rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }
}

.category-card {
    @extend .base-card;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.category-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.5rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--surface-color);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.product-image-placeholder {
    height: 150px;
    background-color: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.product-details {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-description {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-color);
}

/* ==========================================================================
   LISTADO DE RESTAURANTES (listado.html)
   ========================================================================== */
.search-section {
    margin-bottom: 2rem;
}

.search-bar {
    display: flex;
    max-width: 600px;
    gap: 0.5rem;
    background: white;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.search-input {
    flex-grow: 1;
    border: none;
    outline: none;
    padding: 0.5rem;
}

.layout-grid-sidebar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .layout-grid-sidebar {
        grid-template-columns: 250px 1fr;
    }
}

.filters-sidebar {
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    height: fit-content;
}

.sidebar-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.filter-group {
    margin-bottom: 1.5rem;
}

.filter-subtitle {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.filter-list li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.restaurant-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.restaurant-card {
    display: flex;
    flex-direction: column;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

@media (min-width: 640px) {
    .restaurant-card {
        flex-direction: row;
    }
}

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

.restaurant-img-placeholder {
    height: 150px;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    overflow: hidden;  
}

@media (min-width: 640px) { 
    .restaurant-img-placeholder { 
        width: 200px; 
        height: auto; 
    } 
}

.restaurant-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    transition: transform 0.3s ease;
}

.restaurant-card:hover .restaurant-cover {
    transform: scale(1.05);
}

.restaurant-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.restaurant-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.restaurant-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.restaurant-delivery {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    background: var(--bg-color);
    padding: 0.5rem;
    border-radius: var(--radius-md);
}

/* ==========================================================================
   DETALLE DE RESTAURANTE (detalle.html)
   ========================================================================== */
.restaurant-header {
    background-color: var(--secondary-color);
    background-image: linear-gradient(135deg, var(--secondary-color) 0%, #042f2e 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 2rem;
    margin-top: -2rem;
    box-shadow: var(--shadow-md);
}

/* Temas dinámicos de color */
.cume-theme { background-image: linear-gradient(135deg, var(--secondary-color), #042f2e); }
.pizza-theme { background-image: linear-gradient(135deg, #e11d48, #9f1239); }
.burger-theme { background-image: linear-gradient(135deg, #d97706, #92400e); }
.sushi-theme { background-image: linear-gradient(135deg, #0f172a, #334155); }
.veggie-theme { background-image: linear-gradient(135deg, #16a34a, #14532d); }

.restaurant-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 1rem;
}

/* Grid moderno para la información */
.restaurant-details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

/* En tablets, 2 columnas */
@media (min-width: 640px) {
    .restaurant-details-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* En pantallas grandes, 3 columnas */
@media (min-width: 1024px) {
    .restaurant-details-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tarjetas translúcidas para cada dato */
.detail-item {
    background: rgba(255, 255, 255, 0.1); /* Fondo blanco semitransparente */
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    backdrop-filter: blur(4px);
    transition: transform 0.2s, background 0.2s;
}

.detail-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.detail-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
}

.detail-value {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
}

/* Etiquetas (Tags) de Categorías */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.tag {
    background-color: var(--primary-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.layout-grid-menu {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .layout-grid-menu {
        grid-template-columns: 1fr 320px;
    }
}

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

.category-title {
    font-size: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    display: inline-block;
}

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

@media (min-width: 1024px) {
    .dish-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.dish-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.dish-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.dish-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.dish-price {
    font-weight: 700;
    color: var(--primary-color);
}

.cart-sidebar {
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    position: sticky;
    top: 5rem;
    height: fit-content;
}

.cart-empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 0;
    margin-bottom: 1rem;
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================================================
   ESTILOS PARA EL AUTOCOMPLETADO (search.js)
   ========================================================================== */
.autocomplete-results {
    position: absolute;
    background-color: var(--surface-color) !important;
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    list-style: none;
    padding: 0;
    margin: 0;
    overflow: hidden;
    top: 100%;
}

.autocomplete-results li {
    padding: 0.75rem 1rem;
    cursor: pointer;
    color: var(--text-main) !important;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
    text-align: left;
}

.autocomplete-results li:hover {
    background-color: #f3f4f6;
    color: var(--primary-color) !important;
}

.search-input-wrapper, .search-bar {
    position: relative;
}

/* ==========================================================================
   ESTILOS PARA EL LISTADO (search.js)
   ========================================================================== */

.section-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 3rem 0;
}

#all-restaurants-container {
    opacity: 0.85;
}

#all-restaurants-container:hover {
    opacity: 1;
}

/* ==========================================================================
   CARRITO DE COMPRAS (Sidebar en detalle.html)
   ========================================================================== */
.cart-sidebar {
    background-color: var(--surface-color);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 6rem;
    height: fit-content;
    overflow: hidden; 
}

.cart-container {
    display: flex;
    flex-direction: column;
}

.sidebar-title {
    padding: 1.5rem 1.5rem 1rem;
    margin: 0;
    border-bottom: 2px solid var(--bg-color);
    font-size: 1.25rem;
    font-weight: 700;
}

.cart-empty-msg {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 1.5rem;
    font-size: 0.95rem;
}

.cart-items-list {
    list-style: none;
    padding: 0 1.5rem;
    margin: 1rem 0;
    max-height: 40vh;
    overflow-y: auto;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px dashed var(--border-color);
    font-size: 0.95rem;
    animation: slideIn 0.3s ease;
}

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

.cart-item-name {
    flex: 1;
    font-weight: 500;
    color: var(--text-main);
    padding-right: 1rem;
    line-height: 1.3;
}

.cart-item-price {
    font-weight: 700;
    color: var(--primary-color);
    margin-right: 0.75rem;
}

.btn-remove-item {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.35rem;
    border-radius: var(--radius-md);
    transition: background-color 0.2s, transform 0.2s;
    display: flex;
}

.btn-remove-item:hover {
    background-color: #fef2f2;
    transform: scale(1.1);
}

.cart-footer {
    padding: 1.5rem;
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(15px); }
    to { opacity: 1; transform: translateX(0); }
}