body {
    font-family: 'Inter', 'Segoe UI', 'Roboto', Arial, sans-serif;
    background: #f6f8fa;
    margin: 0;
    min-height: 100vh;
    font-size: x-large;
}

#header {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    margin-bottom: 10px;
    padding-top: 6px;
    padding-bottom: 6px;
}

#header a {
    color: #1976d2;
    text-decoration: none;
    font-weight: 600;
    font-size: 2rem;
    padding: 8px 18px;
    border-radius: 6px;
    transition: background 0.18s, color 0.18s;
}

#header a:focus, a:hover {
    background: #e3f0fd;
    color: #0d47a1;
}

#alerts {
    max-width: 100%;
!important;
    margin: 0 auto 0 auto;
!important;
    padding: 0 16px;
!important;
}

.alert-success {
    background: #e3f0fd;
!important color: #1976d2;
!important border-left: 4 px solid #1976d2;
!important box-shadow: 0 1.5 px 4 px rgba(25, 118, 210, 0.06);
!important
}

.alert-error {
    background: #fde3e3;
!important color: #d21919;
!important border-left: 4 px solid #d21919;
!important box-shadow: 0 1.5 px 4 px rgba(210, 25, 25, 0.2);
!important
}

.alert {
    border-radius: 6px;
!important padding: 3 px;
!important font-size: 1 em;
!important
}

#content {
    margin: 0 auto 32px auto;
    padding: 0 16px;
}

@media (max-width: 700px) {
    nav {
        flex-direction: column;
        gap: 10px;
        padding: 12px 0;
    }

    #content {
        padding: 0 4vw;
    }
}