body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: #eef2f7;
    margin: 0;
    padding: 40px;
    color: #333;
}

.container {
    max-width: 900px;
    margin: auto;
    background: #fff;
    padding: 40px 50px;
    border-radius: 12px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.container:hover {
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
}

h2 {
    text-align: center;
    margin-bottom: 35px;
    font-size: 30px;
    color: #2c3e50;
    font-weight: 700;
    letter-spacing: 0.5px;
}

form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
    font-size: 14px;
    font-weight: bold;
}

input[type="number"] {
    padding: 10px 12px;
    border: 1px solid #ccd1d9;
    border-radius: 6px;
    font-size: 15px;
    background-color: #fafafa;
    transition: all 0.25s ease-in-out;
}

input[type="number"]:focus {
    border-color: #007BFF;
    background: #fff;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.25);
    outline: none;
}

button[type="submit"] {
    grid-column: span 2;
    margin-top: 25px;
    padding: 15px;
    background: linear-gradient(135deg, #007BFF, #0056b3);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, background 0.3s;
}

button[type="submit"]:hover {
    background: linear-gradient(135deg, #0056b3, #00408f);
    transform: translateY(-2px);
}

/* Back button styling */
.back-btn {
    display: inline-block;
    margin-bottom: 20px;
    padding: 10px 18px;
    background: #6c757d;
    color: white;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.back-btn:hover {
    background: #5a6268;
}


/* Style for Year Dropdown */
select {
    padding: 10px 5px;
    border: 1px solid #ccd1d9;
    border-radius: 6px;
    font-size: 15px;
    background-color: #fafafa;
    transition: all 0.25s ease-in-out;
    cursor: pointer;
    height: 40px;
}

select:focus {
    border-color: #007BFF;
    background: #fff;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.25);
    outline: none;
}



/* Responsive */
@media (max-width: 768px) {
    form {
        grid-template-columns: 1fr;
    }

    h2 {
        font-size: 24px;
    }
}