/* Main Styles */
:root {
    --primary-color: #28a745;
    --primary-dark: #218838;
    --primary-light: #34ce57;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f4f6f9;
}

/* Header Styles */
.header {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand img {
    margin-right: 10px;
}

/* Override Bootstrap's default primary color */
.bg-primary {
    background-color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-primary:hover {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
}

.nav-link.active {
    background-color: var(--primary-dark) !important;
}

/* Main Content Styles */
.card {
    border: none;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

/* POS Grid Styles */
#pos-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    padding: 15px;
}

.product-item {
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Cart Styles */
#cart-container {
    min-height: 300px;
}

/* Footer Styles */
.footer {
    position: relative;
    bottom: 0;
    width: 100%;
    border-top: 1px solid #dee2e6;
}

/* Custom color for links */
a {
    color: var(--primary-color);
}

a:hover {
    color: var(--primary-dark);
}

/* Card hover effects */
.card:hover {
    box-shadow: 0 0 15px rgba(40, 167, 69, 0.1);
}

/* Custom styles for buttons */
.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* Responsive Styles */
@media (max-width: 768px) {
    .navbar-nav {
        margin-top: 15px;
    }
    
    #pos-container {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}