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

:root {
    --color-primary: #DC143C;
    --color-primary-dark: #B71C1C;
    --color-text: #333;
    --color-text-light: #666;
    --color-bg: #f5f5f5;
    --color-border: #ddd;
    --color-white: #fff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--color-text);
    background-color: var(--color-white);
}

/* Header */
header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-top {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: var(--color-primary);
}

header nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

header nav a {
    text-decoration: none;
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

header nav a:hover {
    color: var(--color-primary);
}

.header-buttons {
    display: flex;
    gap: 15px;
}

.header-buttons button {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.header-buttons button:hover {
    background-color: var(--color-bg);
}

/* Sección de Películas */
.peliculas-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px 20px;
}

.peliculas-header {
    margin-bottom: 30px;
}

.peliculas-header h1 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--color-text);
}

.tabs {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid var(--color-border);
}

.tab-btn {
    background: none;
    border: none;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: var(--color-text);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Contenido Principal */
.peliculas-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}

/* Sidebar Filtros */
.filtros-sidebar {
    background-color: var(--color-white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.filtro-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--color-border);
}

.filtro-icon {
    font-size: 18px;
}

.filtro-header h3 {
    font-size: 18px;
    color: var(--color-text);
}

.filtro-grupo {
    margin-bottom: 20px;
}

.filtro-grupo h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filtro-header-expandible {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.expand-icon {
    font-size: 18px;
    font-weight: bold;
    transition: transform 0.3s;
}

.filtro-grupo.expanded .expand-icon {
    transform: rotate(45deg);
}

.filtro-ciudades,
.filtro-cines,
.filtro-dias,
.filtro-generos,
.filtro-idiomas,
.filtro-formatos,
.filtro-censura {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filtro-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 4px;
    transition: all 0.3s;
}

.filtro-item:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.filtro-item input[type="checkbox"],
.filtro-item input[type="radio"] {
    cursor: pointer;
    accent-color: var(--color-primary);
}

.filtro-grupo hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 20px 0;
}

/* Grid de Películas */
.peliculas-grid-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.peliculas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    width: 100%;
}

.pelicula-card {
    background-color: transparent;
    border-radius: 0;
    overflow: visible;
    box-shadow: none;
    transition: all 0.3s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.pelicula-card:hover {
    box-shadow: none;
    transform: none;
}

.pelicula-poster {
    position: relative;
    width: 100%;
    height: 350px;
    overflow: hidden;
    background-color: #000;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.pelicula-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.pelicula-card:hover .pelicula-poster img {
    transform: scale(1.1);
}

.pelicula-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.pelicula-card:hover .pelicula-overlay {
    opacity: 1;
}

.btn-comprar {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-comprar:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(220, 20, 60, 0.4);
}

.pelicula-info {
    padding: 5px 0;
    background-color: transparent;
}

.pelicula-titulo {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    min-height: 1em;
}

.pelicula-genero {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 8px;
}

.pelicula-metadata {
    font-size: 13px;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.4;
}

.pelicula-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.pelicula-duracion {
    font-size: 12px;
    color: var(--color-text-light);
}

.pelicula-clasificacion {
    display: inline-block;
    background-color: var(--color-text-light);
    color: var(--color-white);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

/* Ver más */
.ver-mas-container {
    display: flex;
    justify-content: center;
    padding: 30px 0;
}

.btn-ver-mas {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border: none;
    padding: 12px 40px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-ver-mas:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(220, 20, 60, 0.4);
}

/* Responsive */
@media (max-width: 1024px) {
    .peliculas-content {
        grid-template-columns: 1fr;
    }
    
    .filtros-sidebar {
        position: relative;
        top: auto;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
        padding: 20px;
    }
    
    .filtro-grupo {
        margin-bottom: 0;
    }
    
    .filtro-grupo hr {
        display: none;
    }
    
    .filtro-header {
        grid-column: 1 / -1;
        margin-bottom: 10px;
    }
    
    .peliculas-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 15px;
    }
    
    header nav {
        display: none;
    }
    
    .peliculas-header h1 {
        font-size: 24px;
    }
    
    .tabs {
        overflow-x: auto;
        padding-bottom: 0;
    }
    
    .filtros-sidebar {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .peliculas-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 15px;
    }
    
    .pelicula-poster {
        height: 240px;
    }
}

@media (max-width: 480px) {
    .peliculas-section {
        padding: 15px 10px;
    }
    
    .peliculas-header h1 {
        font-size: 20px;
    }
    
    .filtros-sidebar {
        grid-template-columns: 1fr;
        padding: 15px;
    }
    
    .peliculas-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 12px;
    }
    
    .pelicula-poster {
        height: 200px;
    }
    
    .pelicula-info {
        padding: 12px;
    }
    
    .pelicula-titulo {
        font-size: 13px;
    }
}