:root { --pf-accent: #000000; }

.pf-addons-wrapper { margin: 24px 0; border-top: 1px solid #e5e5e5; }

.pf-addon-header {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; padding: 16px 0; background: none; border: none;
    border-bottom: 1px solid #e5e5e5; cursor: pointer;
    font-size: 15px; font-weight: 600; color: #1a1a1a;
    text-align: left; transition: color 0.2s; font-family: inherit;
}
.pf-addon-header:hover { color: var(--pf-accent); }
.pf-addon-title { flex: 1; }
.pf-addon-chevron { display: flex; align-items: center; transition: transform 0.3s; color: #666; }
.pf-addon-section.pf-open .pf-addon-chevron { transform: rotate(180deg); }

.pf-addon-body { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.pf-addon-section.pf-open .pf-addon-body { max-height: 2000px; }

.pf-addon-item {
    display: flex; align-items: center; gap: 16px;
    padding: 14px 0; border-bottom: 1px solid #f0f0f0; transition: background-color 0.2s;
}
.pf-addon-item:last-child { border-bottom: 1px solid #e5e5e5; }
.pf-addon-item:hover { background-color: #fafafa; }
.pf-addon-item.pf-selected { background-color: #f5f5f5; }

.pf-addon-image {
    flex-shrink: 0; width: 64px; height: 64px;
    border-radius: 8px; overflow: hidden; background: #f5f5f5;
}
.pf-addon-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

.pf-addon-info { flex: 1; min-width: 0; }
.pf-addon-name { font-size: 14px; font-weight: 500; color: #1a1a1a; line-height: 1.4; }

.pf-addon-price { flex-shrink: 0; font-size: 14px; font-weight: 600; color: #1a1a1a; white-space: nowrap; }
.pf-addon-price del { color: #999; font-weight: 400; margin-right: 4px; }
.pf-addon-price ins { text-decoration: none; }

.pf-addon-action { flex-shrink: 0; }
.pf-addon-toggle {
    width: 36px; height: 36px; border-radius: 50%;
    border: 2px solid #d0d0d0; background: #fff; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.25s; padding: 0; color: #666;
}
.pf-addon-toggle:hover { border-color: var(--pf-accent); color: var(--pf-accent); }

.pf-addon-toggle .pf-icon-check { display: none; }
.pf-addon-toggle .pf-icon-plus { display: flex; }

.pf-addon-item.pf-selected .pf-addon-toggle {
    background: var(--pf-accent); border-color: var(--pf-accent); color: #fff;
}
.pf-addon-item.pf-selected .pf-addon-toggle .pf-icon-check { display: flex; }
.pf-addon-item.pf-selected .pf-addon-toggle .pf-icon-plus { display: none; }

@media (max-width: 600px) {
    .pf-addon-image { width: 52px; height: 52px; }
    .pf-addon-item { gap: 10px; padding: 10px 0; }
    .pf-addon-name { font-size: 13px; }
    .pf-addon-price { font-size: 13px; }
    .pf-addon-toggle { width: 32px; height: 32px; }
}