.used-actions {
    text-align: center;
    margin-bottom: 22px;
}
.used-main-btn {
    display: inline-block;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    padding: 14px 28px;
    border-radius: 14px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(239,68,68,.25);
}
.used-main-btn:hover { opacity: 0.93; }
.used-hint {
    margin-top: 10px;
    font-size: 0.88rem;
    color: var(--text-muted);
}
.brand-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}
.brand-chip {
    padding: 7px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}
.brand-chip.active {
    background: rgba(245,158,11,.2);
    border-color: #f59e0b;
    color: var(--text);
    font-weight: 600;
}
.calc-link {
    color: #93c5fd;
    font-size: 0.85rem;
    text-decoration: none;
    white-space: nowrap;
}
.calc-link:hover { text-decoration: underline; }

.card-used:hover { border-color: #f97316; }
.card-used .card-btn { background: rgba(249,115,22,.15); color: #fb923c; }
.card-used:hover .card-btn { background: #f97316; color: #fff; }
.calc-card { margin-bottom: 20px; }
.model-select {
    width: 100%;
    min-height: 140px;
    padding: 8px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    font-size: 0.9rem;
}
.pick-row { cursor: pointer; }
.pick-row:hover { background: rgba(59,130,246,.08); }
.pick-btn {
    background: rgba(59,130,246,.15);
    border: none;
    color: #93c5fd;
    padding: 6px 12px;
    border-radius: 8px;
    font-family: inherit;
    cursor: pointer;
    font-size: 0.85rem;
}
.pick-btn:hover { background: #3b82f6; color: #fff; }
.iframe-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,.2);
}
.iframe-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    padding: 10px 14px;
    background: rgba(15,23,42,.65);
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}
.iframe-reload, .iframe-external {
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(59,130,246,.15);
    color: #93c5fd;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: none;
}
.iframe-reload:hover, .iframe-external:hover {
    background: #3b82f6;
    color: #fff;
}
.price-iframe {
    width: 100%;
    height: min(85vh, 920px);
    min-height: 640px;
    border: 0;
    display: block;
    background: #fff;
}
.iframe-fallback {
    text-align: center;
    padding: 28px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 16px;
}
.iframe-fallback p {
    margin-bottom: 14px;
    color: var(--text-muted);
}
@media (max-width: 640px) {
    .price-iframe {
        min-height: 520px;
        height: 75vh;
    }
}