/* === CSS PARA PRODUTOS.PHP - INTEGRADO COM DARK MODE === */

/* === VARIÁVEIS CSS PARA DARK/LIGHT MODE === */
:root {
    /* Cores Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    --bg-card: #ffffff;
    --bg-modal: #ffffff;
    --bg-gradient: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Cores de Accent */
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --accent-hover: #5a6fd8;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --accent-light: #e8f4fd;
    --accent-border: #bdd9f2;
    
    /* Cores de Estado */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);
    
    /* Transições */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Bordas */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
}

/* Dark Mode Variables */
[data-tema="escuro"], [data-theme="dark"] {
    --bg-primary: #1a202c;
    --bg-secondary: #2d3748;
    --bg-tertiary: #4a5568;
    --bg-card: #2d3748;
    --bg-modal: #2d3748;
    --bg-gradient: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #a0aec0;
    --border-color: #4a5568;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.7);
    
    --accent-light: rgba(102, 126, 234, 0.15);
    --accent-border: rgba(102, 126, 234, 0.3);
    
    --success-bg: rgba(16, 185, 129, 0.15);
    --warning-bg: rgba(245, 158, 11, 0.15);
    --error-bg: rgba(239, 68, 68, 0.15);
    --info-bg: rgba(102, 126, 234, 0.1);
}

/* === BASE === */
body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
}

/* === CONTAINER PRINCIPAL === */
.produtos-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
}

/* === HEADER DA PÁGINA === */
.produtos-header {
    margin-bottom: 3rem;
    text-align: center;
}

.page-title {
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    position: relative;
    letter-spacing: -0.02em;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

/* === BUSCA === */
.busca-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.busca-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 1rem;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all var(--transition-normal);
    outline: none;
}

.busca-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.busca-input::placeholder {
    color: var(--text-muted);
}

.busca-btn {
    padding: 1rem 2rem;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.busca-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.busca-limpar {
    position: absolute;
    right: 120px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--error);
    color: white;
    border: none;
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.busca-limpar:hover {
    transform: translateY(-50%) scale(1.1);
}

/* === FILTROS === */
.filtros-container {
    background: var(--bg-gradient);
    padding: 2rem;
    border-radius: var(--radius-xl);
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.filtros-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.filtros-header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.filtros-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.filtro-grupo h3 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.filtro-opcoes {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.filtro-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
    white-space: nowrap;
}

.filtro-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.filtro-btn.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.filtro-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.875rem;
    min-width: 200px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filtro-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.checkbox:hover {
    background: var(--accent-light);
}

.checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
}

.limpar-filtros {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.limpar-filtros:hover {
    background: var(--accent-light);
    text-decoration: none;
}

/* === RESULTADOS === */
.resultados-info {
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-size: 1rem;
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.resultados-info span {
    font-weight: 700;
    color: var(--accent-primary);
}

/* === GRID DE PRODUTOS === */
.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.produto-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    background: var(--bg-gradient);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.produto-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.produto-card:hover::before {
    transform: scaleX(1);
}

.produto-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-primary);
}

.produto-imagem {
    height: 250px;
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.produto-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: transform var(--transition-slow);
    padding: 1rem;
}

.produto-thumb:hover {
    transform: scale(1.05);
}

.produto-sem-imagem {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1.125rem;
    flex-direction: column;
    gap: 0.5rem;
}

.produto-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 5;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.badge-disponivel {
    background: linear-gradient(135deg, var(--success), #0d9488);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.badge-indisponivel {
    background: linear-gradient(135deg, var(--error), #dc2626);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.produto-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.produto-titulo {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.produto-meta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: auto;
}

.produto-codigo {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.875rem;
    font-family: 'Monaco', 'Menlo', monospace;
    background: var(--accent-light);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent-border);
    width: fit-content;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.produto-quantidade {
    color: var(--success);
    font-weight: 600;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--success-bg);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(16, 185, 129, 0.2);
    width: fit-content;
}

.produto-info-disponibilidade {
    color: var(--error);
    font-weight: 600;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--error-bg);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(239, 68, 68, 0.2);
    width: fit-content;
}

/* === SEM PRODUTOS === */
.sem-produtos {
    text-align: center;
    padding: 4rem 2rem;
    border-radius: var(--radius-xl);
    background: var(--bg-gradient);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    margin: 3rem 0;
}

.sem-produtos h3 {
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.sem-produtos p {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* === BOTÕES === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primario {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primario:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    color: white;
    text-decoration: none;
}

.btn-secundario {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secundario:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    text-decoration: none;
    transform: translateY(-2px);
}

/* === PAGINAÇÃO === */
.paginacao {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.paginacao-item {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    font-weight: 500;
    background: var(--bg-card);
    min-width: 44px;
    text-align: center;
}

.paginacao-item:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    text-decoration: none;
    transform: translateY(-2px);
}

.paginacao-item.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* === MODAL === */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    padding: 2rem;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-container {
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    animation: scaleIn 0.3s ease;
    background: var(--bg-gradient);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
}

@keyframes scaleIn {
    from { 
        transform: scale(0.9);
        opacity: 0;
    }
    to { 
        transform: scale(1);
        opacity: 1;
    }
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    opacity: 1;
    transform: scale(1.1);
}

.modal-content {
    padding: 2rem;
}

.modal-content img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

.modal-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.modal-info p {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-info p:last-child {
    margin-bottom: 0;
}

.modal-info strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* === ERRO === */
.erro {
    color: var(--error);
    background: var(--error-bg);
    padding: 1.5rem;
    border: 1px solid var(--error);
    border-radius: var(--radius-md);
    margin: 2rem 0;
    text-align: center;
    font-weight: 500;
}

body.modal-open {
    overflow: hidden;
}

/* === RESPONSIVIDADE === */
@media (max-width: 1024px) {
    .produtos-container {
        padding: 1.5rem;
    }
    
    .produtos-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .filtros-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .produtos-container {
        padding: 1rem;
    }
    
    .busca-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .busca-limpar {
        position: static;
        transform: none;
        width: auto;
        height: auto;
        padding: 0.75rem 1.5rem;
        border-radius: var(--radius-full);
        align-self: flex-start;
    }
    
    .filtros-container {
        padding: 1.5rem;
    }
    
    .filtros-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .filtro-opcoes {
        justify-content: center;
    }
    
    .produtos-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .produto-imagem {
        height: 200px;
    }
    
    .produto-info {
        padding: 1rem;
    }
    
    .paginacao {
        gap: 0.25rem;
    }
    
    .paginacao-item {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .modal {
        padding: 1rem;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .produtos-container {
        padding: 0.75rem;
    }
    
    .produtos-grid {
        grid-template-columns: 1fr;
    }
    
    .produto-card {
        max-width: 100%;
    }
    
    .modal-header {
        padding: 1rem;
    }
    
    .modal-content {
        padding: 1rem;
    }
    
    .modal-header h3 {
        font-size: 1rem;
    }
}

/* === MELHORIAS DE ACESSIBILIDADE === */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* === FOCUS STATES === */
.busca-input:focus,
.filtro-select:focus,
.btn:focus,
.paginacao-item:focus,
.modal-close:focus,
.produto-thumb:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}