/**
 * Cartão Digital - CSS Responsivo com Tailwind CSS v3
 * Layout Masonry Profissional e Mobile-First
 */

/* Reset e Base */
.cartao-digital-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.cartao-digital-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

/* Classes de Altura Tailwind CSS v3 */
.h-48 { height: 12rem; }
.h-64 { height: 16rem; }
.h-72 { height: 18rem; }
.h-96 { height: 24rem; }

/* Cartão Base */
.cartao-digital-item {
    background: #ffffff;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(229, 231, 235, 0.8);
}

.cartao-digital-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: rgba(59, 130, 246, 0.3);
}

/* Cartão Clicável */
.cartao-clickable {
    cursor: pointer;
}

.cartao-clickable:hover .cartao-overlay {
    opacity: 1;
}

/* Imagem do Cartão */
.cartao-image {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 8rem;
    flex-shrink: 0;
}

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

.cartao-digital-item:hover .cartao-img {
    transform: scale(1.05);
}

/* Conteúdo do Cartão */
.cartao-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.cartao-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    color: #1f2937;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cartao-description {
    font-size: 0.875rem;
    line-height: 1.6;
    color: #6b7280;
    margin: 0;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Meta Informações */
.cartao-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid #f3f4f6;
}

.cartao-date {
    font-size: 0.75rem;
    color: #9ca3af;
    font-weight: 500;
}

.cartao-category {
    font-size: 0.75rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Overlay para Links */
.cartao-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(59, 130, 246, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

.cartao-link-icon {
    font-size: 2rem;
    color: white;
    font-weight: bold;
    transform: translateX(-10px);
    transition: transform 0.3s ease;
}

.cartao-overlay:hover .cartao-link-icon {
    transform: translateX(0);
}

/* Estados Vazios */
.cartao-digital-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: #6b7280;
    font-size: 1.125rem;
    background: #f9fafb;
    border-radius: 0.75rem;
    border: 2px dashed #d1d5db;
}

/* Responsividade Mobile-First */

/* Smartphones (até 640px) */
@media (max-width: 640px) {
    .cartao-digital-container {
        padding: 0.75rem;
    }
    
    .cartao-digital-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .cartao-content {
        padding: 1rem;
    }
    
    .cartao-title {
        font-size: 1.125rem;
    }
    
    .cartao-description {
        font-size: 0.8125rem;
        -webkit-line-clamp: 2;
    }
    
    /* Ajuste de alturas para mobile */
    .h-48 { height: 10rem; }
    .h-64 { height: 12rem; }
    .h-72 { height: 14rem; }
    .h-96 { height: 16rem; }
}

/* Tablets (641px - 768px) */
@media (min-width: 641px) and (max-width: 768px) {
    .cartao-digital-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

/* Desktop Pequeno (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .cartao-digital-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop Grande (1025px+) */
@media (min-width: 1025px) {
    .cartao-digital-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    
    .cartao-digital-container[data-colunas="2"] .cartao-digital-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cartao-digital-container[data-colunas="4"] .cartao-digital-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .cartao-digital-container[data-colunas="5"] .cartao-digital-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Animações e Transições Avançadas */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cartao-digital-item {
    animation: fadeInUp 0.6s ease-out;
}

.cartao-digital-item:nth-child(2) { animation-delay: 0.1s; }
.cartao-digital-item:nth-child(3) { animation-delay: 0.2s; }
.cartao-digital-item:nth-child(4) { animation-delay: 0.3s; }
.cartao-digital-item:nth-child(5) { animation-delay: 0.4s; }
.cartao-digital-item:nth-child(6) { animation-delay: 0.5s; }

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .cartao-digital-item {
        background: #1f2937;
        border-color: #374151;
    }
    
    .cartao-title {
        color: #f9fafb;
    }
    
    .cartao-description {
        color: #d1d5db;
    }
    
    .cartao-date {
        color: #9ca3af;
    }
    
    .cartao-meta {
        border-color: #374151;
    }
    
    .cartao-digital-empty {
        background: #1f2937;
        color: #d1d5db;
        border-color: #374151;
    }
}

/* Acessibilidade */
.cartao-digital-item:focus-within {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .cartao-digital-item,
    .cartao-img,
    .cartao-overlay,
    .cartao-link-icon {
        transition: none;
        animation: none;
    }
}

/* Print Styles */
@media print {
    .cartao-digital-grid {
        display: block;
    }
    
    .cartao-digital-item {
        break-inside: avoid;
        margin-bottom: 1rem;
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .cartao-overlay {
        display: none;
    }
}