/* Estilos principales para la tienda */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    --gradient-warning: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Layout */
main {
    flex: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Navbar */
.navbar {
    background: var(--dark-color) !important;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    padding: 0.8rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
}

.navbar-brand img {
    max-height: 50px;
    transition: transform 0.3s;
}

.navbar-brand img:hover {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s;
}

.nav-link:hover {
    color: var(--warning-color) !important;
    transform: translateY(-2px);
}

.nav-link.active {
    color: var(--warning-color) !important;
    border-bottom: 2px solid var(--warning-color);
}

#cart-count {
    font-size: 0.7rem;
    padding: 0.25em 0.6em;
    min-width: 20px;
    border-radius: 10px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Cards de productos */
.product-card {
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: white;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border-color: var(--primary-color);
}

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

.product-card:hover img {
    transform: scale(1.1);
}

.product-card .card-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
    height: 50px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-card .card-text {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

/* Selector de precios */
.price-selector {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1.25rem;
    border-radius: 10px;
    margin: 1rem 0;
    border-left: 4px solid var(--primary-color);
}

.price-selector label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    display: block;
}

.price-selector input[type="number"] {
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 0.75rem;
    width: 100px;
    text-align: center;
    transition: all 0.3s;
    font-weight: 600;
    font-size: 1.1rem;
}

.price-selector input[type="number"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    transform: scale(1.05);
}

/* Badges */
.badge {
    font-size: 0.75rem;
    padding: 0.4em 0.8em;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge.bg-primary {
    background: var(--gradient-primary) !important;
}

.badge.bg-success {
    background: var(--gradient-success) !important;
}

.badge.bg-warning {
    background: var(--gradient-warning) !important;
}

/* Botones */
.btn {
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.btn:active {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4192 100%);
    color: white;
}

.btn-success {
    background: var(--gradient-success);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #218838 0%, #1aa179 100%);
    color: white;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

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

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

/* Formularios */
.form-control, .form-select {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.3s;
    font-size: 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    transform: translateY(-2px);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Tablas */
.table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.table th {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1.25rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.table td {
    padding: 1.25rem;
    vertical-align: middle;
    border-color: #f0f0f0;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0,0,0,0.02);
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
    transform: scale(1.01);
    transition: all 0.3s;
}

/* Alertas */
.alert {
    border-radius: 10px;
    border: none;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
    border-left: 4px solid var(--info-color);
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
    color: white;
    margin-top: auto;
    padding: 3rem 0 1.5rem;
}

footer a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
}

footer a:hover {
    color: white;
    text-decoration: underline;
    transform: translateX(5px);
}

footer h5 {
    color: white;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
}

footer h5::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Hero section */
.hero-section {
    background: var(--gradient-primary);
    color: white;
    padding: 5rem 0;
    border-radius: 15px;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    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="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    opacity: 0.9;
}

/* Precios */
.price {
    font-weight: 800;
    color: var(--success-color);
    font-size: 1.5rem;
}

.price-old {
    text-decoration: line-through;
    color: var(--secondary-color);
    font-size: 1rem;
    margin-right: 10px;
}

/* Steps para checkout */
.steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin: 2rem 0;
}

.steps::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color) 0%, #e9ecef 100%);
    z-index: 1;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    flex: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    background: #e9ecef;
    color: #6c757d;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    border: 5px solid white;
    transition: all 0.4s;
}

.step.active .step-number {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 0 5px rgba(13, 110, 253, 0.2);
}

.step.completed .step-number {
    background: var(--gradient-success);
    color: white;
}

/* Cart items */
.cart-item-image {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 10px;
    border: 3px solid #f8f9fa;
    transition: all 0.3s;
}

.cart-item-image:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.quantity-input {
    width: 80px !important;
    text-align: center;
}

/* Modales */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    overflow: hidden;
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border-radius: 15px 15px 0 0;
    padding: 1.5rem 2rem;
}

.modal-title {
    font-weight: 700;
    font-size: 1.5rem;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 1px solid #f0f0f0;
    padding: 1.5rem 2rem;
    background: #f8f9fa;
    border-radius: 0 0 15px 15px;
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(0,0,0,0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section p {
        font-size: 1.1rem;
    }
    
    .product-card {
        margin-bottom: 1.5rem;
    }
    
    .product-card .card-title {
        height: auto;
        -webkit-line-clamp: 3;
    }
    
    .steps {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .steps::before {
        display: none;
    }
    
    .step {
        flex-direction: row;
        align-items: center;
        gap: 1rem;
    }
    
    .step-number {
        margin-bottom: 0;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .hero-section {
        padding: 3rem 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .price-selector input[type="number"] {
        width: 70px;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .product-card {
        background: #2d3748;
        border-color: #4a5568;
    }
    
    .product-card .card-title {
        color: #e2e8f0;
    }
    
    .product-card .card-text {
        color: #a0aec0;
    }
    
    .table {
        background: #2d3748;
        color: #e2e8f0;
    }
    
    .form-control, .form-select {
        background: #4a5568;
        border-color: #718096;
        color: #e2e8f0;
    }
    
    .form-control:focus, .form-select:focus {
        background: #4a5568;
        border-color: var(--primary-color);
    }
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0b5ed7;
}

/* Utilidades */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-lg {
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

.shadow-xl {
    box-shadow: 0 20px 40px rgba(0,0,0,0.2) !important;
}

.rounded-xl {
    border-radius: 15px !important;
}

.rounded-xxl {
    border-radius: 20px !important;
}

/* Whatsapp button flotante */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: all 0.3s;
    animation: float 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Tooltips personalizados */
.custom-tooltip {
    --bs-tooltip-bg: var(--dark-color);
    --bs-tooltip-color: white;
    --bs-tooltip-border-radius: 8px;
}

/* Paginación */
.pagination .page-link {
    color: var(--primary-color);
    border: 2px solid #dee2e6;
    margin: 0 3px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.pagination .page-item.active .page-link {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.pagination .page-link:hover {
    background: #e9ecef;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Progress bars */
.progress {
    height: 10px;
    border-radius: 5px;
    background: #e9ecef;
    overflow: hidden;
}

.progress-bar {
    background: var(--gradient-primary);
    border-radius: 5px;
    transition: width 0.6s ease;
}

/* Cards con hover especial */
.hover-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hover-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}