/* ==========================================================================
   Image Zoom Lightbox
   ========================================================================== */

/**
 * Full-screen lightbox overlay for tutorial step images.
 * Triggered by clicking on any .tutorial-step__image img element.
 */

.image-zoom-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000; /* Above tutorial modal (1000) */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: zoom-out;
}

.image-zoom-overlay.active {
    opacity: 1;
    visibility: visible;
}

.image-zoom-overlay img {
    max-width: 95vw;
    max-height: 95vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.image-zoom-overlay__close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    font-size: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.image-zoom-overlay__close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Tutorial Image Clickable States
   ========================================================================== */

.tutorial-step__image {
    cursor: zoom-in;
    transition: outline 0.2s ease;
}

.tutorial-step__image:hover {
    outline: 2px solid var(--tutorial-accent, #f68b1f);
    outline-offset: 2px;
}