.bkbg-uuid-app {
    font-family: system-ui, -apple-system, sans-serif;
    box-sizing: border-box;
}

.bkbg-uuid-wrap {
    border-radius: 12px;
    padding: 28px;
    margin: 0 auto;
}

.bkbg-uuid-title {
    font-family: var(--bkuuid-tt-ff, inherit);
    font-size: var(--bkuuid-tt-fsd, 26px);
    line-height: var(--bkuuid-tt-lhd, 1.2);
    letter-spacing: var(--bkuuid-tt-lsd, normal);
    word-spacing: var(--bkuuid-tt-wsd, normal);
    font-weight: var(--bkuuid-tt-fw, 700);
    font-style: var(--bkuuid-tt-fst, normal);
    text-decoration: var(--bkuuid-tt-td, none);
    text-transform: var(--bkuuid-tt-tt, none);
    margin: 0 0 6px;
}

.bkbg-uuid-subtitle {
    font-family: var(--bkuuid-st-ff, inherit);
    font-size: var(--bkuuid-st-fsd, 15px);
    line-height: var(--bkuuid-st-lhd, 1.5);
    letter-spacing: var(--bkuuid-st-lsd, normal);
    word-spacing: var(--bkuuid-st-wsd, normal);
    font-weight: var(--bkuuid-st-fw, normal);
    font-style: var(--bkuuid-st-fst, normal);
    text-decoration: var(--bkuuid-st-td, none);
    text-transform: var(--bkuuid-st-tt, none);
    margin: 0 0 22px;
}

.bkbg-uuid-card {
    border-radius: 10px;
    padding: 22px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}

.bkbg-uuid-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.bkbg-uuid-tab-btn {
    border: none;
    border-radius: 6px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.bkbg-uuid-count-btns {
    display: flex;
    gap: 6px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.bkbg-uuid-count-btn {
    border: 2px solid transparent;
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.bkbg-uuid-options {
    display: flex;
    gap: 14px;
    margin-bottom: 14px;
    flex-wrap: wrap;
    align-items: center;
}

.bkbg-uuid-opt-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
    user-select: none;
}

.bkbg-uuid-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.bkbg-uuid-item {
    border-radius: 6px;
    padding: 10px 14px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    letter-spacing: 0.02em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    word-break: break-all;
}

.bkbg-uuid-val {
    flex: 1;
}

.bkbg-uuid-copy-one {
    border-radius: 4px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    white-space: nowrap;
    border: 1px solid;
}

.bkbg-uuid-copy-one:hover { opacity: 0.75; }

.bkbg-uuid-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.bkbg-uuid-btn {
    border: none;
    border-radius: 8px;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.15s;
}

.bkbg-uuid-btn:hover { filter: brightness(0.9); }

.bkbg-uuid-btn-outline {
    background: transparent !important;
    border: 2px solid;
}

.bkbg-uuid-copy-msg {
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s;
    margin-left: auto;
    align-self: center;
}
.bkbg-uuid-copy-msg.bkbg-uuid-show { opacity: 1; }

.bkbg-uuid-history {
    border-radius: 10px;
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-top: 16px;
}

.bkbg-uuid-history-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
}

.bkbg-uuid-history-list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 200px;
    overflow-y: auto;
}

.bkbg-uuid-history-item {
    font-family: monospace;
    font-size: 12px;
    padding: 4px 2px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    color: inherit;
    opacity: 0.75;
}

@media (max-width: 1024px) {
    .bkbg-uuid-title {
        font-size: var(--bkuuid-tt-fst1, var(--bkuuid-tt-fsd, 26px));
        line-height: var(--bkuuid-tt-lht, var(--bkuuid-tt-lhd, 1.2));
        letter-spacing: var(--bkuuid-tt-lst, var(--bkuuid-tt-lsd, normal));
        word-spacing: var(--bkuuid-tt-wst, var(--bkuuid-tt-wsd, normal));
    }
    .bkbg-uuid-subtitle {
        font-size: var(--bkuuid-st-fst1, var(--bkuuid-st-fsd, 15px));
        line-height: var(--bkuuid-st-lht, var(--bkuuid-st-lhd, 1.5));
        letter-spacing: var(--bkuuid-st-lst, var(--bkuuid-st-lsd, normal));
        word-spacing: var(--bkuuid-st-wst, var(--bkuuid-st-wsd, normal));
    }
}
@media (max-width: 767px) {
    .bkbg-uuid-title {
        font-size: var(--bkuuid-tt-fsm, var(--bkuuid-tt-fst1, var(--bkuuid-tt-fsd, 26px)));
        line-height: var(--bkuuid-tt-lhm, var(--bkuuid-tt-lht, var(--bkuuid-tt-lhd, 1.2)));
        letter-spacing: var(--bkuuid-tt-lsm, var(--bkuuid-tt-lst, var(--bkuuid-tt-lsd, normal)));
        word-spacing: var(--bkuuid-tt-wsm, var(--bkuuid-tt-wst, var(--bkuuid-tt-wsd, normal)));
    }
    .bkbg-uuid-subtitle {
        font-size: var(--bkuuid-st-fsm, var(--bkuuid-st-fst1, var(--bkuuid-st-fsd, 15px)));
        line-height: var(--bkuuid-st-lhm, var(--bkuuid-st-lht, var(--bkuuid-st-lhd, 1.5)));
        letter-spacing: var(--bkuuid-st-lsm, var(--bkuuid-st-lst, var(--bkuuid-st-lsd, normal)));
        word-spacing: var(--bkuuid-st-wsm, var(--bkuuid-st-wst, var(--bkuuid-st-wsd, normal)));
    }
}

@media (max-width: 480px) {
    .bkbg-uuid-wrap { padding: 16px; }
    .bkbg-uuid-item { flex-direction: column; align-items: flex-start; }
    .bkbg-uuid-val { font-size: 12px; }
}