body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f4f6f9;
}

.app-header {
    background-color: #1f2a37;
}

.app-header .nav-link {
    color: rgba(255, 255, 255, 0.7);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
}

.app-header .nav-link:hover,
.app-header .nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.app-brand {
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    margin-right: 1rem;
}

.app-user {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.app-main {
    flex: 1;
}

.app-footer {
    color: #6b7280;
    font-size: 0.875rem;
    text-align: center;
}

.centered-page {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.narrow-card {
    width: 100%;
    max-width: 400px;
}

.narrow-form {
    max-width: 560px;
}

.address-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.logout-btn {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.logout-btn:hover {
    color: #1f2a37;
    background-color: #fff;
}