body {
    background: #f9fafb;
    color: #111827;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    padding: 30px 20px;
    text-align: center;
}

header h2 {
    font-size: 1.6rem;
    font-weight: 800;
}

main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

section div {
    background: #ffffff;
    padding: 35px;
    border-radius: 16px;
    width: 350px;

    display: flex;
    justify-content: center;
    align-items: center;

    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
}

select {
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    font-size: 0.95rem;
    outline: none;
    transition: 0.2s ease;
}

select:focus {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

input[type="submit"] {
    background: #dc2626;
    color: white;
    font-weight: 700;
    cursor: pointer;
    border: none;
    padding: 12px;
    border-radius: 10px;
    transition: 0.2s ease;
}

input[type="submit"]:hover {
    background: #b91c1c;
    transform: scale(1.03);
}

a {
    display: inline-block;
    padding: 12px 18px;
    background: #dc2626;
    color: white;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    transition: 0.2s ease;
}

a:hover {
    background: #b91c1c;
    transform: scale(1.05);
}

footer {
    background: #ffffff;
    color: #6b7280;
    text-align: center;
    padding: 25px 15px;
    font-size: 0.85rem;
    border-top: 1px solid #e5e7eb;
}