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

body {
    font-family: 'Roboto', sans-serif;
    background-image: url('yes-bank.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    filter: brightness(1.4);
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    max-width: 700px;
    width: 100%;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

h1 {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    font-weight: 700;
    font-size: 2.5rem;
}

#menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

button {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
    padding: 15px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3), 0 0 20px rgba(52, 152, 219, 0.1);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

button:active {
    transform: translateY(0);
}

.section {
    margin-top: 30px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.hidden {
    display: none;
}

h2 {
    color: white;
    margin-bottom: 20px;
    font-weight: 500;
    font-size: 1.5rem;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input {
    padding: 15px;
    border: 2px solid #555;
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    transition: border-color 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

input[type="submit"] {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.4);
}

input[type="submit"]:active {
    transform: translateY(0);
}

#detailsResult {
    white-space: pre-line;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    border-left: 4px solid #3498db;
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
        margin: 10px;
    }

    h1 {
        font-size: 2rem;
    }

    #menu {
        grid-template-columns: 1fr;
    }

    button {
        padding: 12px 15px;
        font-size: 14px;
    }
}