/* ============================================
   DESIGN TOKENS & VARIABLES (Theming)
   ============================================ */
:root {
    /* Tipografía Global */
    --font-primary: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    
    /* Espaciados y Bordes Base */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
}

/* TEMA CLARO (Default - Original) */
:root, [data-theme="light"] {
    --bg-color: #f3f6f3;
    --card-bg: #ffffff;
    --text-color: #2a2a2a;
    --text-light: #5f6a76;
    --border-color: #d7d7d7;
    
    --primary-color: #ff8c00;
    --secondary-color: #1f2937;
    
    --star-gold: #ffb400;
    --star-empty: #dfe2e6;
    --checkbox-checked: #2d7d45;
    --consumed-bg: #eaf8ee;
    --badge-bg: #245c35;
    --badge-text: #f7fff6;

    --search-bg: rgba(255, 255, 255, 0.85);
    --input-bg: rgba(255, 255, 255, 0.95);
    --card-shadow-dark: none; /* No shadow color in light mode */
}

/* TEMA OSCURO (Untappd Style) */
[data-theme="dark"] {
    --bg-color: #121214; /* Ceniza Untappd */
    --card-bg: #1c1c1f;
    --text-color: #f1f1f1;
    --text-light: #a1a1aa;
    --border-color: #2a2a2e;
    --search-bg: rgba(28, 28, 31, 0.85);
    
    --primary-color: #ffb400;     /* Naranja/Amarillo Untappd */
    --secondary-color: #ff8c00;   
    
    --star-gold: #ffb400;         
    --star-empty: #444446;        
    --checkbox-checked: #ffb400;
    --consumed-bg: #2a220a;       /* Tinte naranja muy oscuro */
    --badge-bg: #ffb400;
    --badge-text: #121214;

    --input-bg: rgba(44, 44, 46, 0.8);
    
    /* Sombras más intensas en modo noche (+10%) */
    --shadow-sm: 0 2px 8px rgba(255, 180, 0, 0.16);
    --shadow-md: 0 4px 14px rgba(255, 180, 0, 0.22);
    --shadow-hover: 0 12px 24px rgba(255, 180, 0, 0.33);
    
    /* Sombra amarilla elegante para tarjetas y border al hacer hover */
    --card-shadow-dark: 0 0 8px rgba(255, 180, 0, 0.15);
}

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

html {
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] input[type="search"]::-webkit-search-cancel-button {
    display: none; /* Anulamos la X nativa de Safari porque usaremos una custom */
}
input[type="search"]::-webkit-search-cancel-button {
    display: none; /* Anulamos en modo claro también */
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ============================================
   CONTENEDOR PRINCIPAL
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* ============================================
   HEADER
   ============================================ */
.header {
    text-align: center;
    margin-bottom: 4px; /* Aún más reducido, casi pegado */
    padding-bottom: 0;
    border-bottom: 2px solid var(--primary-color);
    border-radius: var(--radius-md); 
    overflow: hidden;
    background: var(--card-bg);
}

.header img {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* ============================================
   SECCIÓN DE CONTROLES TOP (FUERA DEL STICKY)
   ============================================ */
.top-row-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: transparent;
    flex-wrap: nowrap; 
    gap: 12px; /* Equilibrado */
    margin-bottom: var(--spacing-sm);
}

.switches-container {
    display: flex;
    gap: 12px; /* Misma separación que el clear-btn */
    align-items: center;
}

.toggle-switch {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 78px; 
    height: 36px; 
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 18px; /* 20% más redondeado respecto al radio md */
    cursor: pointer;
    padding: 0 8px;
    font-size: 0.9rem;
    font-family: 'Varela Round', 'Outfit', sans-serif; /* Tipografía más redonda */
    font-weight: 700;
    user-select: none;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.toggle-option {
    z-index: 2;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 36px;
    height: 28px;
    background: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 14px; /* Acompaña al redondeo exterior */
    z-index: 1;
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(34px);
}

.toggle-switch:not(.active) .toggle-option:first-child {
    color: var(--text-color);
}
.toggle-switch.active .toggle-option:last-child {
    color: var(--text-color);
}
#themeIconDark {
    color: #999999;
    transition: color 0.3s ease;
}
.toggle-switch.active #themeIconDark {
    color: #ffb400; /* Color amarillo dorado para la luna en modo noche */
}

.clear-btn {
    background: rgba(255, 59, 48, 0.1);
    color: #ff453a;
    border: 1px solid rgba(255, 69, 58, 0.3);
    padding: 0.4rem 0.6rem; 
    border-radius: 18px; /* Redondez aumentada */
    font-weight: 700;
    font-family: 'Varela Round', 'Outfit', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem; 
    height: 36px; 
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.clear-btn:hover {
    background: rgba(255, 59, 48, 0.2);
    transform: translateY(-2px);
}

/* ============================================
   SECCIÓN DE BÚSQUEDA (GLASSMORPHISM STICKY)
   ============================================ */
.search-sticky {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: var(--search-bg);
    padding: 1rem 0.5rem 1.5rem; /* Menos padding lateral para que las flechas toquen el borde */
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
    margin-bottom: var(--spacing-md);
}

.search-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.8rem;
    padding: 0 1rem; /* Restaura el padding para la caja de texto */
}

.carousel-wrapper {
    display: flex;
    align-items: center;
    gap: 2px; /* Flechas muy pegadas a las letras */
    margin-bottom: 0.8rem;
}

.carousel-arrow {
    background: transparent; /* Sin fondo para mezclar con el contenedor */
    color: var(--text-color);
    border: none;
    border-radius: 0;
    width: 24px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: bold;
    font-size: 1.4rem;
    flex-shrink: 0;
    transition: all 0.2s ease;
    box-shadow: none;
    padding: 0;
    margin: 0;
}

.carousel-arrow:hover {
    background: transparent;
    color: var(--primary-color);
    transform: scale(1.1);
}

.alphabet-search {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 4px;
    /* Ocultar barra de desplazamiento */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    flex-grow: 1;
    scroll-behavior: auto; /* Controlado por JS para evitar saltos raros si usamos smooth en clones */
}

.alphabet-search::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.letter-btn {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    background: #ffb400; /* Naranja más suave estilo Untappd */
    color: #ffffff; 
    border: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .letter-btn {
    color: #000000; /* Letra negra en modo noche */
}

.letter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    filter: brightness(1.1);
}

.text-search,
.style-search {
    flex: 1;
    max-width: 300px;
}

.text-search input,
.style-search input {
    width: 100%;
    padding: 0.85rem 2.5rem 0.85rem 1.2rem; /* Más padding a la derecha para la X */
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    font-size: 1rem;
    font-family: inherit;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.text-search,
.style-search {
    position: relative;
}

.clear-search-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, opacity 0.2s ease;
}

[data-theme="dark"] .clear-search-btn {
    color: var(--primary-color);
}

.clear-search-btn.hidden {
    opacity: 0;
    pointer-events: none;
}

.text-search input::placeholder,
.style-search input::placeholder {
    color: var(--text-light);
}

.text-search input:focus,
.style-search input:focus {
    border-color: var(--primary-color);
    background: var(--card-bg);
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 180, 0, 0.15);
}

/* ============================================
   ESTADÍSTICAS
   ============================================ */
.stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: 1.4rem;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat-item {
    background: var(--card-bg);
    padding: 0.5rem 1.5rem; /* Más anchos, menos altos */
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    flex: 1;
    min-width: 140px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ============================================
   GRID DE FÁBRICAS Y TARJETAS
   ============================================ */
.breweries-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.brewery-card {
    scroll-margin-top: 160px;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-md), var(--card-shadow-dark);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
}

@media (hover: hover) and (pointer: fine) {
    .brewery-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }
}

.brewery-header {
    background: var(--primary-color); /* Naranja corporativo */
    padding: 0.6rem var(--spacing-md); 
    display: flex;
    align-items: center;
    gap: var(--spacing-xs); /* Menos espacio horizontal entre logo e info */
}

[data-theme="dark"] .brewery-header {
    background: linear-gradient(135deg, #1f1b13 0%, #15120a 100%);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.brewery-logo {
    flex-shrink: 0;
    width: 70px; /* Logo más pequeño reduce altura total */
    height: 100%;
    min-height: 70px;
    border-radius: var(--radius-sm);
    background: #fff; /* Fondo blanco para logos por defecto */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.brewery-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 6px;
}

.brewery-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.brewery-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: #000000; /* Negro para modo día para máxima visibilidad */
    margin: 0;
}

[data-theme="dark"] .brewery-name {
    color: var(--primary-color); /* Naranja/amarillo característico en modo noche */
}

.brewery-origin {
    font-size: 0.95rem;
    color: #ffffff; 
    opacity: 0.9;
    margin: 2px 0 0 0; /* Equilibrado para mantener la distancia inferior y acercarlo al título */
}

.beers-list {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ============================================
   TARJETA DE CERVEZA
   ============================================ */
.beer-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    background: var(--bg-color);
    transition: border-color 0.2s, background-color 0.2s;
    position: relative;
    overflow: hidden; /* Necesario para la marca de agua */
}

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

.beer-id {
    display: none;
}

.beer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 2; /* Sobre la marca de agua */
}

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

.beer-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.3;
}

.beer-check {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.check-label {
    font-weight: 500;
}

.beer-checkbox {
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: var(--checkbox-checked);
    flex-shrink: 0;
}

.beer-item.checked-beer {
    background: var(--consumed-bg);
    border-color: var(--primary-color);
}

.beer-item.hidden-by-style {
    display: none;
}

/* MARCA DE AGUA 5 ESTRELLAS */
.five-stars-badge {
    display: none;
    background-image: url('../imagenes/5estrellas.webp');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    width: 100px;
    height: 100px;
    position: absolute;
    bottom: 55px; /* Más arriba, un 15% del contenedor aproximadamente */
    right: 10px;
    opacity: 0.7;
    pointer-events: none; 
    z-index: 1;
    transform: rotate(-15deg);
}

.beer-item.five-stars .five-stars-badge {
    display: block;
}

/* ============================================
   SISTEMA DE ESTRELLAS
   ============================================ */
.rating-section {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.rating-block {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.rating-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-light);
    letter-spacing: 0.05em;
    min-width: 60px;
}

.stars-container {
    display: flex;
    gap: 4px;
}

.star {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--star-empty);
    transition: transform 0.1s;
    user-select: none;
}

@media (hover: hover) and (pointer: fine) {
    .star:hover {
        transform: scale(1.15);
    }
}

.star.filled {
    color: var(--star-gold);
}

.star.readonly {
    cursor: default;
}
.star.readonly:hover {
    transform: scale(1);
}

.star-icon {
    width: 100%;
    height: 100%;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.star.filled .star-icon {
    transform: scale(1.15);
}

.rating-value {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ============================================
   UNTAPPD LINK
   ============================================ */
.untappd-link {
    display: block; /* Ocupa el ancho completo */
    width: 100%;
    padding: 8px 12px;
    background: #ffb400; /* Untappd Yellow */
    color: #000;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    transition: opacity 0.2s, transform 0.2s;
    margin-top: var(--spacing-sm);
    box-sizing: border-box; /* Asegura que el padding no desborde */
}

.untappd-link:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast-message {
    background: rgba(30, 30, 30, 0.95);
    color: #fff;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 0.95rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   SCROLL TO TOP BOTÓN
   ============================================ */
.scroll-top-btn {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: transparent; /* Minimalista */
    color: var(--text-color);
    border: 2px solid var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease, color 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.scroll-top-btn svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.scroll-top-btn.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 20px);
}

.scroll-top-btn:hover {
    transform: translate(-50%, -5px);
    background: var(--text-color);
    color: var(--bg-color);
}

/* ============================================
   ESTADOS VACÍOS Y ERRORES
   ============================================ */
.empty-state, .error-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: fadeIn 0.4s ease-out forwards;
}

.empty-state h3, .error-state h3 {
    font-size: 1.5rem;
    color: var(--text-color);
}

.empty-state p, .error-state p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.header-fallback {
    padding: 2rem 0;
    text-align: center;
}

.header-fallback h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.hidden {
    display: none !important;
}

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

/* ============================================
   FOOTER
   ============================================ */
.page-footer {
    background-color: var(--primary-color);
    width: 100%;
    margin-top: var(--spacing-lg);
    text-align: center;
    border-radius: var(--radius-md); /* Redondeado igual que tarjetas */
    overflow: hidden;
}

.footer-image {
    width: 100%;
    height: auto;
    display: block;
    /* Eliminado mix-blend-mode como se solicitó */
}

.footer-text {
    font-size: 0.8rem;
    color: #121214;
    margin: 0.4rem 0;
    font-weight: 500;
    padding-bottom: 0.5rem;
}

.footer-text a {
    color: inherit;
    text-decoration: none;
    font-weight: 700;
}

.footer-text a:hover {
    text-decoration: underline;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }
    .stats {
        gap: var(--spacing-sm);
    }
    .toast-container {
        width: 90%;
        bottom: 10px;
    }
    .toast-message {
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    .search-section {
        flex-direction: row;
    }
    .text-search, .style-search {
        flex: 1;
        max-width: none;
    }
    .brewery-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .brewery-logo {
        width: 80px;
        height: 80px;
        border-radius: 50%;
    }
    .top-controls {
        flex-direction: column;
        width: 100%;
    }
    .top-controls button {
        width: 100%;
    }
}