/* ========== VARIÁVEIS E ESTILOS GERAIS ========== */
:root {
    --primary-color: #4361ee;
    --primary-dark: #3a0ca3;
    --primary-light: #e9ecef;
    --secondary-color: #4cc9f0;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
    --shadow-xl: 0 10px 20px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
    padding-top: 76px; /* Altura da navbar fixa */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Garantir que o conteúdo principal ocupe o espaço disponível */
main {
    flex: 1;
    padding-bottom: 2rem;
}

/* ========== NAVBAR ========== */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    box-shadow: var(--shadow-md);
    padding: 0.75rem 0;
    transition: var(--transition);
}

.navbar.fixed-top {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: white !important;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: translateY(-2px);
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    margin: 0 0.2rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: white !important;
}

/* Dropdown na navbar */
.navbar .dropdown-menu {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    min-width: 200px;
    margin-top: 0.5rem;
}

.navbar .dropdown-item {
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    margin: 0.1rem 0;
    transition: var(--transition);
    color: var(--gray-700);
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

/* Badge do carrinho */
.carrinho-contador {
    font-size: 0.7rem;
    padding: 0.25em 0.6em;
    min-width: 20px;
    min-height: 20px;
    text-align: center;
    line-height: 1;
    vertical-align: middle;
}

/* ========== BOTÕES ========== */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: var(--transition);
    border: none;
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    border: none;
}

.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    background: transparent;
}

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

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

/* ========== CARDS ========== */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl) !important;
}

.card-header {
    background-color: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background-color: white;
    border-top: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
}

/* Cards de produto */
.produto-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.produto-card .card-img-top {
    height: 200px;
    object-fit: cover;
    width: 100%;
    transition: transform 0.5s ease;
}

.produto-card:hover .card-img-top {
    transform: scale(1.05);
}

.produto-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.produto-card .card-title {
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.produto-card .card-text {
    color: var(--gray-600);
    font-size: 0.875rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== FORMS ========== */
.form-control {
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
    outline: none;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.input-group-text {
    background-color: var(--gray-100);
    border: 2px solid var(--gray-300);
    border-right: none;
    color: var(--gray-600);
}

.input-group .form-control {
    border-left: none;
}

.input-group .form-control:focus {
    border-left: none;
}

/* Validação de formulários */
.is-valid {
    border-color: var(--success-color) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem 1.25rem;
    padding-right: 2.5rem;
}

.is-invalid {
    border-color: var(--danger-color) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem 1.25rem;
    padding-right: 2.5rem;
}

.invalid-feedback {
    display: block;
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.valid-feedback {
    display: block;
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ========== AVATARS ========== */
.avatar-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
    color: white;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.avatar-circle-sm {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

.avatar-circle-md {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
}

.avatar-circle-lg {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

/* ========== BADGES ========== */
.badge {
    border-radius: 20px;
    padding: 0.35em 0.65em;
    font-weight: 500;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.badge-secondary {
    background-color: var(--secondary-color);
}

.badge-success {
    background-color: var(--success-color);
}

.badge-warning {
    background-color: var(--warning-color);
    color: var(--gray-900);
}

.badge-danger {
    background-color: var(--danger-color);
}

/* ========== HERO SECTION ========== */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 6rem 0;
    margin-top: -76px; /* Compensa a navbar fixa */
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,202.7C672,203,768,181,864,181.3C960,181,1056,203,1152,213.3C1248,224,1344,224,1392,224L1440,224L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom center;
    background-size: cover;
    opacity: 0.2;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-section p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

/* ========== UTILITÁRIOS ========== */
.object-fit-cover {
    object-fit: cover;
}

.object-fit-contain {
    object-fit: contain;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

.shadow-xl {
    box-shadow: var(--shadow-xl) !important;
}

.rounded-lg {
    border-radius: var(--border-radius-lg) !important;
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }
    
    .hero-section {
        padding: 4rem 0;
        margin-top: -60px;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .navbar-brand {
        font-size: 1.5rem;
    }
    
    .navbar-nav {
        padding: 1rem 0;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        margin: 0.25rem 0;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1.125rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* ========== ESTILOS PARA ELEMENTOS ESPECÍFICOS ========== */

/* Steps/Passos */
.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-md);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--gray-300);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0.5rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--gray-300);
}

/* Progress bars customizados */
.progress-custom {
    height: 10px;
    border-radius: 5px;
    background-color: var(--gray-200);
    overflow: hidden;
}

.progress-custom .progress-bar {
    border-radius: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
}

/* Alerts personalizados */
.alert-custom {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.25rem;
}

.alert-custom-primary {
    background-color: rgba(67, 97, 238, 0.1);
    color: var(--primary-dark);
    border-left: 4px solid var(--primary-color);
}

.alert-custom-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-custom-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-custom-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

/* ========== PAGINAÇÃO ========== */
.pagination .page-link {
    border: none;
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition);
}

.pagination .page-link:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-sm);
}

/* ========== MODAIS ========== */
.modal-content {
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--gray-200);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* ========== TABELAS ========== */
.table {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
}

.table thead th {
    border-bottom: 2px solid var(--gray-300);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    color: var(--gray-600);
    padding: 1rem;
    background-color: var(--gray-100);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-200);
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: var(--gray-100);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--gray-50);
}

.table-striped tbody tr:nth-of-type(odd):hover {
    background-color: var(--gray-100);
}