body {
    background: linear-gradient(45deg, #ff6f61, #ffb900);
    color: #fff;
    font-family: 'Roboto', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin: 0;
    overflow-x: hidden;
}

.container {
    background: rgba(0, 0, 0, 0.8);
    border-radius: 15px;
    padding: 30px;
    width: 90%;
    max-width: 1200px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.3);
    margin-top: 20px;
    margin-bottom: 20px;
}

h3 {
    color: #ffd700;
    font-weight: bold;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 30px;
}

.form-label {
    font-weight: bold;
    color: #ffd700;
}

.btn-primary {
    background-color: #ffd700;
    border: none;
    color: #000;
    font-weight: bold;
    transition: all 0.3s ease;
    padding: 10px 20px;
    border-radius: 8px;
}

.btn-primary:hover {
    background-color: #ffcc00;
    color: #000;
}

.form-control, .form-select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #ffd700;
    color: #fff;
    border-radius: 8px;
    padding: 10px;
    transition: all 0.3s ease;
}

.form-control::placeholder, .form-select option {
    color: #ccc;
}

.form-control:focus, .form-select:focus {
    border-color: #ffcc00;
    box-shadow: 0 0 5px #ffd700;
}

.form-select {
    color: white;
}

.form-select:focus {
    color: black;
    background-color: rgba(255, 255, 255, 0.1);
}

.form-select option {
    color: black;
}

.form-select:disabled {
    background-color: #ccc;
    color: #666;
}

.form-select:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.form-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.form-container .form-section {
    flex: 1;
    margin-right: 20px;
}

.form-container .result-section {
    flex: 1;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffd700;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.form-section, .result-section {
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .form-container {
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .form-section, .result-section {
        width: 100%;
        margin-right: 0;
        margin-left: 0;
    }

    .form-section .form-control, .form-section .form-select {
        width: 80%;
        margin: 10px 0;
    }

    .form-container .result-section {
        margin-top: 20px;
    }
}

@media (min-width: 769px) {
    .form-section, .result-section {
        margin-right: 20px;
    }
}

.btn-primary {
    background-color: #ff6f61;
    border: none;
    color: white;
    padding: 15px 25px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 10px;
    box-shadow: 0px 5px 15px rgba(255, 105, 97, 0.4);
    transition: background-color 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    background-color: #ff3b2b;
    box-shadow: 0px 8px 25px rgba(255, 105, 97, 0.6);
}

.form-control, .form-select {
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    background-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 8px #ff6f61;
    border-color: #ff6f61;
}

.form-control::placeholder {
    color: #ffd700;
}

.form-select option {
    color: #333;
    background-color: #f8f8f8;
}