/* Trysarthi Enterprises - Modern Frontend Styles */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--light-color);
    color: var(--gray-800);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Modern Navigation */
.navbar {
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    background: #ffffff !important;
    border-bottom: 1px solid var(--gray-200);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--gray-700) !important;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
    border-radius: var(--radius);
    margin: 0 0.25rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    background-color: var(--gray-100);
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 100px 0;
    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 width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero-section .lead {
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.95;
    margin-bottom: 2rem;
}

/* Modern Cards */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    background: #ffffff;
}

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

.card-header {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Category Cards */
.category-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-card .card-img-wrapper img {
    transition: transform 0.5s ease;
}

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

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

/* Product Cards */
.product-card {
    border: 1px solid var(--gray-200);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
    background: #ffffff;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.product-card .card-img-top {
    transition: transform 0.5s ease;
    background: var(--gray-100);
}

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

.product-card .card-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .card-text {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

/* Modern Buttons */
.btn {
    border-radius: var(--radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 12px -2px rgba(37, 99, 235, 0.4);
    color: white;
}

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

.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;
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #34d399);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px -2px rgba(16, 185, 129, 0.4);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

/* Forms */
.form-control,
.form-select {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: #ffffff;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Input Groups */
.input-group {
    border-radius: var(--radius);
    overflow: hidden;
}

.input-group .btn {
    border-radius: 0;
}

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

.input-group .btn:last-child {
    border-left: none;
}

/* Badges */
.badge {
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

/* Tables */
.table {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #ffffff;
}

.table thead {
    background: var(--gray-50);
}

.table thead th {
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--gray-200);
    padding: 1rem;
}

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

.table tbody tr:hover {
    background-color: var(--gray-50);
}

.table td {
    padding: 1rem;
    vertical-align: middle;
}

/* Sections */
section {
    padding: 4rem 0;
}

section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--gray-900);
    position: relative;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 2px;
}

/* Footer */
footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

footer h5 {
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 1rem;
}

footer a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #ffffff;
}

footer .list-unstyled li {
    margin-bottom: 0.5rem;
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 2rem;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--gray-600);
}

/* Product Image Gallery */
.gallery-thumb {
    border: 3px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    border-radius: var(--radius);
}

.gallery-thumb:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.gallery-thumb.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Quantity Input */
.quantity-input {
    display: flex;
    align-items: center;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    width: fit-content;
}

.quantity-input button {
    background: var(--gray-100);
    border: none;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
    color: var(--gray-700);
}

.quantity-input button:hover {
    background: var(--primary-color);
    color: white;
}

.quantity-input input {
    border: none;
    width: 60px;
    text-align: center;
    font-weight: 600;
    padding: 0.5rem;
}

.quantity-input input:focus {
    outline: none;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
}

.alert-success {
    background: #d1fae5;
    border-left-color: var(--success-color);
    color: #065f46;
}

.alert-danger {
    background: #fee2e2;
    border-left-color: var(--danger-color);
    color: #991b1b;
}

.alert-info {
    background: #cffafe;
    border-left-color: var(--info-color);
    color: #164e63;
}

.alert-warning {
    background: #fef3c7;
    border-left-color: var(--warning-color);
    color: #92400e;
}

/* Pagination */
.pagination {
    gap: 0.5rem;
}

.page-link {
    border: 2px solid var(--gray-200);
    color: var(--gray-700);
    padding: 0.5rem 1rem;
    border-radius: var(--radius) !important;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

.page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state img {
    max-width: 300px;
    opacity: 0.5;
    margin-bottom: 2rem;
}

.empty-state h3 {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 2rem;
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-up {
    animation: slideIn 0.5s ease;
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

.rounded-xl {
    border-radius: var(--radius-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    section {
        padding: 2rem 0;
    }
    
    section h2 {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .product-card .card-img-top {
        height: 180px;
    }
}

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

/* Focus Visible */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Dropdown Menu Enhancements */
.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.dropdown-item {
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.dropdown-item i {
    width: 20px;
}

/* Sticky Navbar */
.navbar.sticky-top {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
}

/* Product Image Main */
.product-image-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Loading States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Empty State Enhancements */
.empty-state {
    padding: 5rem 2rem;
}

/* Notification Toast */
.alert.position-fixed {
    min-width: 300px;
    max-width: 500px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translate(-50%, -20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}