.cpu-guide-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 20000;
    cursor: pointer;
}

.cpu-guide-spot {
    position: fixed;
    z-index: 20001;
    border-radius: 6px;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.55), 0 0 0 3px #2196f3;
    background: transparent;
    pointer-events: none;
    transition: top 0.18s, left 0.18s, width 0.18s, height 0.18s;
}

.cpu-guide-popover {
    position: fixed;
    z-index: 20002;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    padding: 16px 18px;
    width: 360px;
    max-width: calc(100vw - 24px);
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.cpu-guide-popover.cpu-guide-centered {
    width: 360px;
}

.cpu-guide-progress {
    font-size: 0.75rem;
    color: #888;
    margin-bottom: 4px;
}

.cpu-guide-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1976d2;
}

.cpu-guide-desc {
    font-size: 0.9rem;
    line-height: 1.5;
    color: #333;
    margin-bottom: 14px;
}

.cpu-guide-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.cpu-guide-nav {
    display: flex;
    gap: 6px;
}

.cpu-guide-btn {
    border: 1px solid #bbb;
    background: #f7f7f7;
    color: #333;
    border-radius: 5px;
    padding: 5px 12px;
    font-size: 0.85rem;
    cursor: pointer;
    font-family: inherit;
}

.cpu-guide-btn:hover:not(:disabled) {
    background: #eee;
}

.cpu-guide-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.cpu-guide-close {
    border: none;
    background: transparent;
    color: #888;
    font-size: 1rem;
    padding: 2px 8px;
}

.cpu-guide-close:hover {
    color: #000;
}

.cpu-guide-nav .cpu-guide-next {
    background: #1976d2;
    color: #fff;
    border-color: #1976d2;
}

.cpu-guide-nav .cpu-guide-next:hover:not(:disabled) {
    background: #1565c0;
}