.king-addons-satc {
    --ka-satc-bg: #ffffff;
    --ka-satc-text: #1f2933;
    --ka-satc-btn-bg: #1f2933;
    --ka-satc-btn-text: #ffffff;
    position: fixed;
    left: 0;
    right: 0;
    z-index: 9998;
    background: var(--ka-satc-bg);
    color: var(--ka-satc-text);
    box-shadow: 0 -2px 18px rgba(0, 0, 0, .12);
    transform: translateY(100%);
    transition: transform 260ms ease;
}

.king-addons-satc--bottom { bottom: 0; }

.king-addons-satc--top {
    top: 0;
    bottom: auto;
    transform: translateY(-100%);
    box-shadow: 0 2px 18px rgba(0, 0, 0, .12);
}

.king-addons-satc.is-visible { transform: translateY(0); }

.king-addons-satc__inner {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
}

.king-addons-satc__thumb img {
    display: block;
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
}

.king-addons-satc__meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1 1 auto;
}

.king-addons-satc__title {
    font-weight: 600;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.king-addons-satc__price { font-size: .95em; }

.king-addons-satc__button {
    flex: 0 0 auto;
    background: var(--ka-satc-btn-bg);
    color: var(--ka-satc-btn-text);
    padding: 12px 26px;
    border-radius: 4px;
    text-decoration: none;
    line-height: 1.2;
}

.king-addons-satc__button:hover,
.king-addons-satc__button:focus { color: var(--ka-satc-btn-text); opacity: .9; }

@media (max-width: 600px) {
    .king-addons-satc__inner { gap: 10px; padding: 8px 12px; }
    .king-addons-satc__thumb { display: none; }
    .king-addons-satc__button { padding: 10px 16px; }
}

@media (prefers-reduced-motion: reduce) {
    .king-addons-satc { transition: none; }
}