/**
 * Pistoia Capitale del Libro 2026 - Pagina Eventi
 * Stylesheet principale
 */

/* ============================================
   CSS Variables & Base
   ============================================ */
:root {
    /* Colori principali */
    --color-primary: #C75B2A;
    --color-primary-dark: #A84820;
    --color-primary-light: #D97B4A;
    --color-secondary: #1B365D;
    --color-accent: #E8A857;

    /* Colori neutri */
    --color-white: #FFFFFF;
    --color-off-white: #F8F6F3;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-600: #666666;
    --color-gray-800: #333333;
    --color-black: #1A1A1A;

    /* Tipografia */
    --font-display: Newsreader, Arial, Helvetica, sans-serif;
    --font-body: Figtree, Arial, Helvetica, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ============================================
   Base Styles
   ============================================ */
.eventi-page {
    font-family: var(--font-body);
    color: var(--color-gray-800);
    line-height: 1.6;
    background-color: var(--color-white);
}

.eventi-page .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    box-sizing: border-box;
}

/* ============================================
   Hero Section
   ============================================ */
.eventi-hero {
    position: relative;
    height: 380px;
    /* Gradiente di fallback - sostituisci con immagine inline nel template se preferisci */
    background: linear-gradient(135deg, #1B365D 0%, #2a4a7a 50%, #1B365D 100%);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(27, 54, 93, 0.4) 0%,
        rgba(27, 54, 93, 0.6) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
}

.hero-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
    opacity: 0.9;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.2;
    margin: 0;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

/* ============================================
   Category Filters
   ============================================ */
.category-filters {
    position: relative;
    z-index: 100;
    padding: 0;
    background: transparent;
}

.category-filters .container {
    max-width: 1147px;
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    padding: 10px 24px;
    box-shadow: var(--shadow-md);
    transform: translateY(-50%);
}

.filter-tabs {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: var(--space-xs) 0;
}

.filter-tabs::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    flex-shrink: 0;
    padding: var(--space-xs) var(--space-md);
    border: none;
    border-right: 1px solid rgba(255,255,255,0.3);
    border-radius: 0;
    background: transparent;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.filter-tab:last-child {
    border-right: none;
}

.filter-tab:hover {
    background: rgba(255,255,255,0.1);
}

.filter-tab.active {
    background: transparent;
    color: var(--color-white);
}

.filter-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-md);
    right: var(--space-md);
    height: 2px;
    background: var(--color-white);
}

/* ============================================
   Search & Filters Bar
   ============================================ */

.search-filters {
    padding-top: 0;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-gray-200);
    position: relative;
}

.filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex: 1;
    min-width: 280px;
    max-width: 400px;
}

.search-box input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-gray-800);
    outline: none;
}

.search-box input::placeholder {
    color: var(--color-gray-600);
}

.search-btn {
    padding: var(--space-sm);
    background: var(--color-primary);
    border: none;
    color: var(--color-white);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.filter-dropdown {
    position: relative;
}

.dropdown-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-gray-800);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.dropdown-btn svg {
    transition: transform var(--transition-fast);
}

.dropdown-btn.open svg {
    transform: rotate(180deg);
}

.dropdown-content {
    position: fixed;
    min-width: 220px;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    padding: 16px;
    display: none;
    z-index: 999999 !important;
    max-height: 300px;
    overflow-y: auto;
}

.dropdown-content.open {
    display: block !important;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-content input[type="date"] {
    width: 100%;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    margin-bottom: var(--space-xs);
}

.apply-filter {
    width: 100%;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.apply-filter:hover {
    background: var(--color-primary-dark);
}

/* ============================================
   Section Titles
   ============================================ */
.section-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--color-gray-800);
    margin-bottom: var(--space-lg);
    text-align: center;
}

/* ============================================
   Eventi in Evidenza - Carousel
   ============================================ */
.eventi-evidenza {
    padding: var(--space-2xl) 0;
    background: var(--color-white);
}

.carousel-wrapper {
    position: relative;
    padding: 0 var(--space-2xl);
}

.eventi-carousel {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: var(--space-sm) 0;
}

.eventi-carousel::-webkit-scrollbar {
    display: none;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    color: var(--color-gray-800);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.carousel-nav:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.carousel-prev {
    left: 0;
}

.carousel-next {
    right: 0;
}

/* ============================================
   Event Card
   ============================================ */
.evento-card {
    flex-shrink: 0;
    width: 280px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.evento-card.evidenza {
    width: 300px;
}

.evento-data {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-off-white);
}

.evento-data .giorno {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1;
}

.evento-data .mese-giorno {
    display: flex;
    flex-direction: column;
}

.evento-data .mese {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.evento-data .giorno-settimana {
    font-size: 0.65rem;
    color: var(--color-gray-600);
    letter-spacing: 0.03em;
}

.evento-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.evento-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.evento-card:hover .evento-image img {
    transform: scale(1.05);
}

.evento-info {
    padding: var(--space-md);
}

.evento-titolo {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 var(--space-xs);
    color: var(--color-gray-800);
}

.evento-titolo a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.evento-titolo a:hover {
    color: var(--color-primary);
}

.evento-ora {
    font-size: 0.85rem;
    color: var(--color-gray-600);
}

/* ============================================
   Tutti gli Eventi - Grid
   ============================================ */
.tutti-eventi {
    padding: var(--space-2xl) 0 var(--space-3xl);
    background: var(--color-off-white);
}

.eventi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.eventi-grid .evento-card {
    width: 100%;
}

/* Load More Button */
.load-more-wrapper {
    text-align: center;
    margin-top: var(--space-2xl);
}

.btn-load-more {
    display: inline-block;
    padding: var(--space-sm) var(--space-xl);
    background: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-xl);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-load-more:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet landscape */
@media (max-width: 1024px) {
    .eventi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .category-filters .container {
        max-width: 95%;
        margin: 0 auto;
    }

    .carousel-wrapper {
        padding: 0 var(--space-xl);
    }
}

/* Tablet portrait */
@media (max-width: 768px) {
    /* Hero */
    .eventi-hero {
        height: 280px;
    }

    .hero-title {
        font-size: 1.875rem;
        padding: 0 var(--space-sm);
    }

    .hero-label {
        font-size: 0.75rem;
    }

    /* Category Filters - riduce overlap su mobile */
    .category-filters .container {
        transform: translateY(-30%);
        padding: 8px 16px;
        border-radius: var(--radius-lg);
    }

    .filter-tabs {
        padding: var(--space-xs) 0;
        /* Indicatore scroll */
        -webkit-overflow-scrolling: touch;
    }

    .filter-tab {
        padding: 6px var(--space-sm);
        font-size: 0.85rem;
    }

    .filter-tab.active::after {
        left: var(--space-sm);
        right: var(--space-sm);
    }

    /* Search Filters */
    .search-filters {
        padding: var(--space-sm) 0;
    }

    .filters-row {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-xs);
    }

    .search-box {
        max-width: none;
        min-width: auto;
    }

    .filter-dropdown {
        width: 100%;
    }

    .dropdown-btn {
        width: 100%;
        justify-content: space-between;
    }

    .dropdown-content {
        /* Su mobile il JS imposta left/right dinamicamente */
        min-width: auto;
        max-width: calc(100vw - 20px);
    }

    /* Carousel */
    .carousel-wrapper {
        padding: 0;
    }

    .carousel-nav {
        display: none;
    }

    .eventi-carousel {
        padding: var(--space-sm) var(--space-md);
        gap: var(--space-md);
        scroll-snap-type: x mandatory;
    }

    .eventi-carousel .evento-card {
        scroll-snap-align: start;
    }

    /* Grid */
    .eventi-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        padding: 0 var(--space-xs);
    }

    /* Cards */
    .evento-card,
    .evento-card.evidenza {
        width: 280px;
    }

    .eventi-grid .evento-card {
        width: 100%;
    }

    /* Sections */
    .eventi-evidenza,
    .tutti-eventi {
        padding: var(--space-xl) 0;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--space-md);
    }

    /* Load more */
    .btn-load-more {
        width: 100%;
        max-width: 300px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    /* Hero */
    .eventi-hero {
        height: 240px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    /* Category Filters */
    .category-filters .container {
        transform: translateY(-20%);
        padding: 6px 12px;
        border-radius: var(--radius-md);
    }

    .filter-tabs {
        gap: 0;
    }

    .filter-tab {
        padding: 6px 10px;
        font-size: 0.75rem;
    }

    .filter-tab.active::after {
        left: 10px;
        right: 10px;
        height: 1.5px;
    }

    /* Search */
    .search-box input {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.9rem;
    }

    .dropdown-btn {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.85rem;
    }

    /* Cards */
    .evento-card,
    .evento-card.evidenza {
        width: 240px;
    }

    .evento-data .giorno {
        font-size: 1.5rem;
    }

    .evento-data .mese {
        font-size: 0.65rem;
    }

    .evento-info {
        padding: var(--space-sm);
    }

    .evento-titolo {
        font-size: 0.875rem;
    }

    .evento-ora {
        font-size: 0.8rem;
    }

    /* Sections */
    .section-title {
        font-size: 1.25rem;
    }

    .tutti-eventi {
        padding: var(--space-lg) 0 var(--space-xl);
    }

    .load-more-wrapper {
        margin-top: var(--space-lg);
        padding: 0 var(--space-sm);
    }

    .btn-load-more {
        width: 100%;
        padding: var(--space-sm) var(--space-md);
        font-size: 0.85rem;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.25rem;
    }

    .filter-tab {
        padding: 5px 8px;
        font-size: 0.7rem;
    }

    .evento-card,
    .evento-card.evidenza {
        width: 220px;
    }

    .section-title {
        font-size: 1.125rem;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.evento-card {
    animation: fadeInUp 0.5s ease backwards;
}

.eventi-grid .evento-card:nth-child(1) { animation-delay: 0.05s; }
.eventi-grid .evento-card:nth-child(2) { animation-delay: 0.1s; }
.eventi-grid .evento-card:nth-child(3) { animation-delay: 0.15s; }
.eventi-grid .evento-card:nth-child(4) { animation-delay: 0.2s; }
.eventi-grid .evento-card:nth-child(5) { animation-delay: 0.25s; }
.eventi-grid .evento-card:nth-child(6) { animation-delay: 0.3s; }
.eventi-grid .evento-card:nth-child(7) { animation-delay: 0.35s; }
.eventi-grid .evento-card:nth-child(8) { animation-delay: 0.4s; }
.eventi-grid .evento-card:nth-child(9) { animation-delay: 0.45s; }

/* Loading State */
.evento-card.loading {
    pointer-events: none;
}

.evento-card.loading .evento-image {
    background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-200) 50%, var(--color-gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   The Events Calendar - Stili Aggiuntivi
   ============================================ */
.evento-badge {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    padding: 4px 10px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

.evento-luogo {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gray-600);
    margin-top: 4px;
}

.evento-luogo::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-right: 4px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z'/%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    vertical-align: middle;
}

.venue-option,
.organizer-option {
    display: block;
    padding: 8px 4px;
    cursor: pointer;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-gray-100);
    transition: background var(--transition-fast);
}

.venue-option:last-of-type,
.organizer-option:last-of-type {
    border-bottom: none;
    margin-bottom: var(--space-xs);
}

.venue-option:hover,
.organizer-option:hover {
    background: var(--color-gray-100);
}

.venue-option input,
.organizer-option input {
    margin-right: 8px;
}

.no-organizers {
    color: var(--color-gray-600);
    font-size: 0.85rem;
    padding: var(--space-xs) 0;
    text-align: center;
}

#organizer-dropdown,
#data-dropdown {
    min-width: 220px;
    max-height: 300px;
    overflow-y: auto;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-image::after {
    content: '📚';
    font-size: 3rem;
    opacity: 0.3;
}

.no-events,
.no-events-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-gray-600);
    font-size: 1.1rem;
}

.error-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-xl);
    color: #c53030;
    font-size: 1rem;
}

/* Loading State Grid */
.eventi-grid.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.eventi-grid.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Featured Event Highlight */
.evento-card.evidenza {
    position: relative;
}

.evento-card.evidenza::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}