/* DemoVisa Store - Custom Styles */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Mobile-first approach */
* {
    box-sizing: border-box;
    margin: 0px;
    padding: 0px;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

.main-content {
    margin-top: 64px; /* Account for fixed navbar */
}

/* Navigation Styles */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--secondary-color) !important;
}

/* Mobile Navigation */
@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(0,0,0,0.9);
        border-radius: 10px;
        margin-top: 10px;
        padding: 15px;
    }
    
    .navbar-nav .nav-link {
        padding: 10px 15px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.min-vh-50 {
    min-height: 50vh;
}

.hero-buttons .btn {
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Feature Cards */
.feature-card {
    border: none;
    border-radius: 15px;
    transition: all 0.3s ease;
    background: white;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.feature-icon {
    color: var(--secondary-color);
}

/* Product Cards */
.product-card {
    border: none;
    border-radius: 15px;
    transition: all 0.3s ease;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-price h4 {
    margin: 0;
    font-size: 1.5rem;
}

/* Category Cards */
.category-card .card {
    border: none;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.category-card:hover .card {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.hover-shadow {
    transition: box-shadow 0.3s ease;
}

.hover-shadow:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Forms */
.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* Chat Styles */
.chat-container {
    height: 500px;
    border: 1px solid #dee2e6;
    border-radius: 10px;
    overflow: hidden;
}

.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 20px;
    background: #f8f9fa;
}

.chat-message {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 15px;
    max-width: 70%;
}

.chat-message.user {
    background: var(--secondary-color);
    color: white;
    margin-left: auto;
}

.chat-message.admin {
    background: white;
    color: #333;
    border: 1px solid #dee2e6;
}

.chat-input {
    border-top: 1px solid #dee2e6;
    padding: 15px;
    background: white;
}

/* Footer */
footer {
    background: var(--dark-color) !important;
}

.social-links a {
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color) !important;
}

/* Crypto Payment Icons */
.crypto-icons i {
    transition: transform 0.3s ease;
}

.crypto-icons i:hover {
    transform: scale(1.1);
}

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

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

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.1rem;
    }
}

@media (max-width: 992px) {
    .hero-section {
        min-height: 50vh;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2.2rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 10px;
    }
    
    .product-image {
        height: 220px;
    }
    
    .category-card .card-body {
        padding: 1.5rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
    }
    
    .navbar-nav {
        text-align: center;
        margin-top: 1rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 45vh;
        padding: 2rem 0;
    }
    
    .hero-section h1 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .hero-section .lead {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-buttons .btn {
        font-size: 0.9rem;
        padding: 0.75rem 1.5rem;
    }
    
    .product-image {
        height: 200px;
    }
    
    .chat-message {
        max-width: 90%;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn-group .btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .table-responsive {
        font-size: 0.85rem;
    }
    
    .pagination {
        font-size: 0.9rem;
    }
    
    .pagination .page-link {
        padding: 0.5rem 0.75rem;
    }
    
    .hero-image i {
        font-size: 4rem !important;
    }
    
    .feature-icon i {
        font-size: 2rem !important;
    }
    
    .stat-item h3 {
        font-size: 1.5rem;
    }
    
    .stat-item i {
        font-size: 2rem !important;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .hero-section {
        min-height: 40vh;
        padding: 1.5rem 0;
    }
    
    .hero-section h1 {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    .hero-section .lead {
        font-size: 0.9rem;
        line-height: 1.4;
    }
    
    .hero-buttons .btn {
        font-size: 0.85rem;
        padding: 0.6rem 1.2rem;
    }
    
    .product-image {
        height: 180px;
    }
    
    .card-title {
        font-size: 1rem;
    }
    
    .card-text {
        font-size: 0.85rem;
    }
    
    .btn {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }
    
    .btn-lg {
        font-size: 0.9rem;
        padding: 0.6rem 1.2rem;
    }
    
    .btn-sm {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .hero-image i {
        font-size: 3rem !important;
    }
    
    .feature-icon i {
        font-size: 1.5rem !important;
    }
    
    .stat-item h3 {
        font-size: 1.2rem;
    }
    
    .stat-item i {
        font-size: 1.5rem !important;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.5rem;
    }
    
    .h1, h1 {
        font-size: 1.5rem;
    }
    
    .h2, h2 {
        font-size: 1.3rem;
    }
    
    .h3, h3 {
        font-size: 1.1rem;
    }
    
    .h4, h4 {
        font-size: 1rem;
    }
    
    .h5, h5 {
        font-size: 0.9rem;
    }
    
    .h6, h6 {
        font-size: 0.85rem;
    }
    
    .lead {
        font-size: 0.9rem;
    }
    
    .text-muted {
        font-size: 0.8rem;
    }
    
    .badge {
        font-size: 0.7rem;
        padding: 0.3rem 0.5rem;
    }
    
    .form-control {
        font-size: 0.9rem;
        padding: 0.6rem 0.8rem;
    }
    
    .form-label {
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
    }
    
    .alert {
        font-size: 0.85rem;
        padding: 0.75rem;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .modal-content {
        border-radius: 0.5rem;
    }
    
    .modal-header {
        padding: 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-footer {
        padding: 0.75rem 1rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem 0.3rem;
        font-size: 0.8rem;
    }
    
    .pagination .page-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .d-flex.gap-2 {
        gap: 0.5rem !important;
    }
    
    .d-flex.gap-3 {
        gap: 0.75rem !important;
    }
    
    .d-flex.gap-4 {
        gap: 1rem !important;
    }
    
    .row.g-4 > * {
        padding-right: calc(var(--bs-gutter-x) * 0.5);
        padding-left: calc(var(--bs-gutter-x) * 0.5);
    }
    
    .row.g-4 {
        --bs-gutter-x: 1rem;
        --bs-gutter-y: 1rem;
    }
}

/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 400px) {
    .hero-section h1 {
        font-size: 1.3rem;
    }
    
    .hero-section .lead {
        font-size: 0.85rem;
    }
    
    .btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .product-image {
        height: 160px;
    }
    
    .hero-image i {
        font-size: 2.5rem !important;
    }
    
    .feature-icon i {
        font-size: 1.2rem !important;
    }
    
    .stat-item h3 {
        font-size: 1rem;
    }
    
    .stat-item i {
        font-size: 1.2rem !important;
    }
}

/* Touch-friendly improvements */
@media (max-width: 768px) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .btn-sm {
        min-height: 36px;
        min-width: 36px;
    }
    
    .form-control {
        min-height: 44px;
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .pagination .page-link {
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .table th,
    .table td {
        min-height: 44px;
        vertical-align: middle;
    }
    
    .modal-dialog {
        max-width: 95%;
        margin: 1rem auto;
    }
    
    .accordion-button {
        min-height: 44px;
        font-size: 0.9rem;
    }
    
    .dropdown-toggle::after {
        margin-left: 0.5rem;
    }
    
    .input-group .btn {
        min-width: 44px;
    }
}

/* Landscape orientation fixes */
@media (max-width: 768px) and (orientation: landscape) {
    .hero-section {
        min-height: 30vh;
        padding: 1rem 0;
    }
    
    .hero-section h1 {
        font-size: 1.5rem;
    }
    
    .hero-section .lead {
        font-size: 0.9rem;
    }
    
    .modal-dialog {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-image i,
    .feature-icon i,
    .stat-item i {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Print styles */
@media print {
    .navbar,
    .btn,
    .modal,
    .footer {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0 !important;
    }
    
    .card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
    
    .text-muted {
        color: #666 !important;
    }
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Alert Styles */
.alert {
    border: none;
    border-radius: 10px;
    font-weight: 500;
}

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

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

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

/* Badge Styles */
.badge {
    font-size: 0.75rem;
    padding: 0.5em 0.75em;
    border-radius: 50px;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Table Styles */
.table {
    border-radius: 10px;
    overflow: hidden;
}

.table thead th {
    background: var(--primary-color);
    color: white;
    border: none;
    font-weight: 600;
}

.table tbody tr {
    transition: background-color 0.3s ease;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Pagination */
.pagination .page-link {
    border: none;
    color: var(--primary-color);
    border-radius: 8px;
    margin: 0 2px;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background: var(--primary-color);
    border: none;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 10px;
}

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