body {
    background-color: #f8f9fa;
}

.nav-pills .nav-link {
    border-radius: 12px;
    margin: 0 2px;
}

.nav-pills .nav-link.active {
    background-color: #0d6efd;
}

.app-header {
    background: linear-gradient(180deg, #0b5d7a, #0a4e66);
}

.nav-tabs .nav-link {
    color: #0b5d7a;
    font-weight: 500;
}

.nav-tabs .nav-link.active {
    border-bottom: 3px solid #0b5d7a;
    color: #0b5d7a;
}

.card {
    border-radius: 14px;
}

.todo-item.completed {
    opacity: 0.45;
    text-decoration: line-through;
    transition: opacity 0.4s ease;
}

.shopping-item.completed {
    opacity: 0.45;
    text-decoration: line-through;
    transition: opacity 0.4s ease;
}

.settings-emoji {
    font-size: 1.4rem;
    line-height: 1;
    padding-top: 0.45rem;
}