.phone-card {
    max-width: 600px;
    margin: 100px auto;
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.phone-card h2 {
    margin-bottom: 30px;
    text-align: center;
    font-size: large;
}
/* Dark Theme */
body.dark .phone-card {
    background-color: rgba(40, 40, 40, 0.9);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid #444;
    color: #f0f0f0;
}

body.dark .phone-card .form-control {
    background-color: #333;
    border: 1px solid #555;
    color: #f0f0f0;
}

body.dark .phone-card .form-control:focus {
    background-color: #3a3a3a;
    border-color: #daa520;
    box-shadow: 0 0 0 0.25rem rgba(218, 165, 32, 0.25);
}

body.dark .phone-card .btn-primary {
    background-color: #daa520;
    border-color: #daa520;
    color: #333;
}

body.dark .phone-card .btn-primary:hover {
    background-color: #ffc040;
    border-color: #ffc040;
}

body.dark .phone-card .btn-outline-primary {
    color: #daa520;
    border-color: #daa520;
}

body.dark .phone-card .btn-outline-primary:hover {
    background-color: #daa520;
    border-color: #daa520;
    color: #333;
}

/* Orange Theme */
body.orange .phone-card {
    background-color: rgba(60, 30, 10, 0.9);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid #663300;
    color: #ffd9b3;
}

body.orange .phone-card .form-control {
    background-color: #442200;
    border: 1px solid #884400;
    color: #ffd9b3;
}

body.orange .phone-card .form-control:focus {
    background-color: #552a00;
    border-color: #ff9933;
    box-shadow: 0 0 0 0.25rem rgba(255, 153, 51, 0.25);
}

body.orange .phone-card .btn-primary {
    background-color: #ff9933;
    border-color: #ff9933;
    color: #332010;
}

body.orange .phone-card .btn-primary:hover {
    background-color: #ffaa44;
    border-color: #ffaa44;
}

body.orange .phone-card .btn-outline-primary {
    color: #ff9933;
    border-color: #ff9933;
}

body.orange .phone-card .btn-outline-primary:hover {
    background-color: #ff9933;
    border-color: #ff9933;
    color: #332010;
}

/* Common Styles */
.phone-card .form-label {
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
}

.phone-card .btn-primary {
    transition: all 0.3s ease;
    font-weight: 500;
}

.phone-card .btn-outline-primary {
    transition: all 0.3s ease;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .phone-card {
        margin: 30px auto;
        padding: 20px;
    }
}