/* Fonte moderna */
* {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Paleta de cores */
:root {
    --cor-branco: #FFFFFF;
    --cor-preto: #1A1A1A;
    --cor-azul: #0066CC;
    --cor-azul-escuro: #0052A3;
    --cor-azul-claro: #E6F2FF;
    --cor-amarelo: #FFD700;
    --cor-amarelo-claro: #FFF9E6;
    --cor-cinza: #6C757D;
    --cor-cinza-claro: #F8F9FA;
    --cor-sucesso: #28A745;
    --cor-erro: #DC3545;
    --cor-aviso: #FFC107;
}

/* Reset e base */
html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--cor-cinza-claro);
    color: var(--cor-preto);
    line-height: 1.5;
    font-size: 0.95rem;
}

/* Navbar */
.navbar {
    background-color: var(--cor-azul) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.navbar-logo {
    width: 34px;
    height: 34px;
    object-fit: contain;
    border-radius: 8px;
    background-color: #fff;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
    margin: 0 0.25rem;
    border-radius: 6px;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
    background-color: var(--cor-branco);
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    transform: translateY(-2px);
}

.card-header {
    background-color: var(--cor-azul);
    color: var(--cor-branco);
    font-weight: 600;
    border-radius: 12px 12px 0 0 !important;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Botões */
.btn-primary {
    background-color: var(--cor-azul);
    border-color: var(--cor-azul);
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--cor-azul-escuro);
    border-color: var(--cor-azul-escuro);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 102, 204, 0.3);
}

.btn-warning {
    background-color: var(--cor-amarelo);
    border-color: var(--cor-amarelo);
    color: var(--cor-preto);
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-warning:hover {
    background-color: #FFCC00;
    border-color: #FFCC00;
    color: var(--cor-preto);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(255, 215, 0, 0.3);
}

.btn-success {
    background-color: var(--cor-sucesso);
    border-color: var(--cor-sucesso);
    font-weight: 500;
    border-radius: 8px;
}

.btn-danger {
    background-color: var(--cor-erro);
    border-color: var(--cor-erro);
    font-weight: 500;
    border-radius: 8px;
}

.btn-secondary {
    background-color: var(--cor-cinza);
    border-color: var(--cor-cinza);
    font-weight: 500;
    border-radius: 8px;
}

.btn-outline-primary {
    color: var(--cor-azul);
    border-color: var(--cor-azul);
    font-weight: 500;
    border-radius: 8px;
}

.btn-outline-primary:hover {
    background-color: var(--cor-azul);
    border-color: var(--cor-azul);
}

/* Formulários */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #DEE2E6;
    padding: 0.75rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--cor-azul);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
    outline: none;
}

.form-label {
    font-weight: 500;
    color: var(--cor-preto);
    margin-bottom: 0.5rem;
}

/* Tabelas */
.table {
    background-color: var(--cor-branco);
    border-radius: 8px;
    overflow: hidden;
}

.table thead {
    background-color: var(--cor-azul-claro);
}

.table thead th {
    font-weight: 600;
    color: var(--cor-azul);
    border: none;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    border-color: #E9ECEF;
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: var(--cor-azul-claro);
}

/* Alerts */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.5rem;
}

.alert-success {
    background-color: #D4EDDA;
    color: #155724;
}

.alert-danger {
    background-color: #F8D7DA;
    color: #721C24;
}

.alert-warning {
    background-color: var(--cor-amarelo-claro);
    color: #856404;
}

/* Badges */
.badge {
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    border-radius: 6px;
}

/* Utilities */
.text-primary {
    color: var(--cor-azul) !important;
}

.bg-primary {
    background-color: var(--cor-azul) !important;
}

.bg-warning {
    background-color: var(--cor-amarelo) !important;
}

.bg-light {
    background-color: var(--cor-cinza-claro) !important;
}

/* Página principal / Dashboard */
.dashboard-card {
    border-left: 4px solid var(--cor-azul);
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    border-left-color: var(--cor-amarelo);
    transform: translateX(4px);
}

.dashboard-card .card-body {
    padding: 1.5rem;
}

.dashboard-card .card-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--cor-cinza);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.dashboard-card .card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cor-azul);
    margin: 0;
}

.dashboard-card .card-icon {
    font-size: 2.5rem;
    color: var(--cor-amarelo);
    opacity: 0.8;
}

/* Header de páginas */
.page-header {
    background-color: var(--cor-branco);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cor-azul);
    margin: 0;
}

.page-header p {
    color: var(--cor-cinza);
    margin: 0.5rem 0 0 0;
    font-size: 0.9rem;
}

.dashboard-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 12px;
    background-color: white;
    padding: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: 2px solid #E9ECEF;
}

/* Botões de ação */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.action-buttons .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Imagens de produtos */
.product-image {
    width: 100%;
    max-width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid #E9ECEF;
}

.product-image-small {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
}

/* Preview de imagens em formulários */
.img-thumbnail {
    padding: 0.25rem;
    background-color: #fff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    max-width: 100%;
    height: auto;
    transition: all 0.3s ease;
}

.img-thumbnail:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transform: scale(1.02);
}

.border-success {
    border-color: var(--cor-sucesso) !important;
}

.border-3 {
    border-width: 3px !important;
}

/* Container de preview de imagens */
.image-preview-container {
    position: relative;
    display: inline-block;
}

.image-preview-container img {
    display: block;
    transition: opacity 0.3s ease;
}

/* Autocomplete de produtos */
.produto-suggestions {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    border-radius: 8px;
    margin-top: 4px;
}

.suggestion-item {
    transition: background-color 0.2s ease;
}

.suggestion-item:hover {
    background-color: var(--cor-azul-claro) !important;
}

/* Loading spinner */
.spinner-border {
    color: var(--cor-azul);
}

/* Footer */
footer {
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .page-header {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .page-header .d-flex.justify-content-between {
        flex-direction: column;
        align-items: stretch !important;
    }
    
    .page-header .d-flex.justify-content-between .btn {
        width: 100%;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    .dashboard-card .card-value {
        font-size: 1.5rem;
    }
}

/* Input file customizado */
.form-control[type="file"] {
    padding: 0.5rem;
}

/* Scrollbar customizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--cor-cinza-claro);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--cor-azul-escuro);
}

/* Rodapé Spark — fundo claro e texto escuro para boa visibilidade */
.footer-spark {
    background-color: #f8f9fa !important;
}
.footer-spark .footer-spark-text,
.footer-spark .footer-spark-text p,
.footer-spark .footer-spark-text small {
    color: #374151 !important;
}