* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
        
    body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background: #f5f7fa;
        color: #333;
    }
        
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
        
.navbar-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
        
    .navbar h1 {
        font-size: 1.5rem;
        font-weight: 600;
    }

    .nav-links {
        display: flex;
        gap: 2rem;
        align-items: center;
    }

    .nav-links a {
        color: white;
        text-decoration: none;
        font-weight: 500;
        transition: opacity 0.3s;
    }

    .nav-links a:hover {
        opacity: 0.8;
    }

    .user-info {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .container {
        max-width: 1400px;
        margin: 2rem auto;
        padding: 0 2rem;
    }

    .messages {
        margin-bottom: 1rem;
    }

    .alert {
        padding: 1rem;
        border-radius: 8px;
        margin-bottom: 1rem;
    }

    .alert-success {
        background: #d4edda;
        color: #155724;
        border: 1px solid #c3e6cb;
    }

    .alert-error {
        background: #f8d7da;
        color: #721c24;
        border: 1px solid #f5c6cb;
    }

    .btn {
        padding: 0.6rem 1.5rem;
        border: none;
        border-radius: 6px;
        cursor: pointer;
        font-size: 0.95rem;
        font-weight: 500;
        transition: all 0.3s;
        text-decoration: none;
        display: inline-block;
    }

    .btn-primary {
        background: #667eea;
        color: white;
    }

    .btn-primary:hover {
        background: #5568d3;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    }

    .btn-success {
        background: #28a745;
        color: white;
    }

    .btn-danger {
        background: #dc3545;
        color: white;
    }

    .btn-warning {
        background: #ffc107;
        color: #333;
    }

    .card {
        background: white;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .card-header {
        border-bottom: 2px solid #f0f0f0;
        padding-bottom: 1rem;
        margin-bottom: 1.5rem;
    }

    .card-header h2 {
        font-size: 1.5rem;
        color: #333;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        background: white;
    }

    th, td {
        padding: 1rem;
        text-align: left;
        border-bottom: 1px solid #eee;
    }

    th {
        background: #f8f9fa;
        font-weight: 600;
        color: #555;
    }

    tr:hover {
        background: #f8f9fa;
    }

    .form-group {
        margin-bottom: 1.5rem;
    }

    .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 500;
        color: #555;
    }

    .form-control {
        width: 100%;
        padding: 0.75rem;
        border: 2px solid #e0e0e0;
        border-radius: 6px;
        font-size: 1rem;
        transition: border-color 0.3s;
    }

    .form-control:focus {
        outline: none;
        border-color: #667eea;
    }

    .badge {
        padding: 0.3rem 0.8rem;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 500;
    }

    .badge-success {
        background: #d4edda;
        color: #155724;
    }

    .badge-warning {
        background: #fff3cd;
        color: #856404;
    }

    .badge-danger {
        background: #f8d7da;
        color: #721c24;
    }

    @media print {
        .navbar, .btn, .no-print {
            display: none !important;
        }
    }
    /* LOGIN SECTION */
    .login-container {
    max-width: 450px;
    margin: 5rem auto;
    }

    .login-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    }

    .login-header {
    text-align: center;
    margin-bottom: 2rem;
    }

    .login-header h2 {
    color: #667eea;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    }


/* INDEX FILE SYLING */
    .pos-container {
        display: grid;
        grid-template-columns: 1fr 400px;
        gap: 1.5rem;
    }
    
    .search-section {
        margin-bottom: 1.5rem;
    }
    
    .search-box {
        position: relative;
    }
    
    .search-box input {
        font-size: 1.1rem;
        padding: 1rem;
    }
    
    .search-results {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border: 2px solid #667eea;
        border-top: none;
        max-height: 300px;
        overflow-y: auto;
        z-index: 100;
        display: none;
    }
    
    .search-result-item {
        padding: 1rem;
        border-bottom: 1px solid #eee;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 1rem;
    }
    
    .search-result-item:hover {
        background: #f8f9fa;
    }
    
    .search-result-item img {
        width: 50px;
        height: 50px;
        object-fit: cover;
        border-radius: 6px;
    }
    
    .cart-table img {
        width: 60px;
        height: 60px;
        object-fit: cover;
        border-radius: 6px;
    }
    
    .cart-summary {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 1.5rem;
        border-radius: 12px;
        margin-top: 1rem;
    }
    
    .summary-row {
        display: flex;
        justify-content: space-between;
        margin-bottom: 0.5rem;
        font-size: 1.1rem;
    }
    
    .summary-row.total {
        font-size: 1.5rem;
        font-weight: bold;
        border-top: 2px solid rgba(255,255,255,0.3);
        padding-top: 0.5rem;
        margin-top: 0.5rem;
    }
    
    .quantity-control {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .quantity-control button {
        width: 30px;
        height: 30px;
        border: none;
        background: #667eea;
        color: white;
        border-radius: 4px;
        cursor: pointer;
    }
    
    .quantity-control input {
        width: 60px;
        text-align: center;
        padding: 0.3rem;
    }