.ppc-app {
    max-width: 900px;
    margin: 50px auto;
    font-family: Inter, system-ui;
}

.ppc-switcher {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.ppc-switcher span {
    padding: 8px 14px;
    border-radius: 20px;
    background: #f2f2f2;
    cursor: pointer;
    font-weight: 600;
}

.ppc-switcher span.active {
    background: #111;
    color: #fff;
}

.ppc-card {
    background: #fff;
    padding: 30px;
    border-radius: 16px;

}

.ppc-tool input,
.ppc-tool button {
    width: 100%;
    margin-bottom: 12px;

    border-radius: 10px;
    border: 1px solid #ddd;
}

.ppc-tool button {
    background: #111;
    color: #fff;
    border: none;
    font-weight: 700;
}

.range-val {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
}

.ppc-result {
    margin-top: 15px;
    font-size: 22px;
    font-weight: 800;
}