/*
 * VT Stats - How-to guide pages (/beta/, /ports/)
 *
 * Step lists, uniform screenshot frames, the click-to-expand lightbox and
 * the masked copy-to-clipboard row. Loaded after vtstats-theme.css.
 */

/* ---------- Step lists ---------- */

.vt-guide-steps {
    padding-left: 1.5rem;
    margin-bottom: 0;
}

.vt-guide-steps > li {
    margin-bottom: 1.5rem;
}

.vt-guide-steps > li:last-child {
    margin-bottom: 0;
}

.vt-guide-steps > li::marker {
    color: var(--kb-primary);
    font-weight: 600;
}

.vt-guide-substeps {
    margin-top: 0.5rem;
    padding-left: 1.5rem;
}

.vt-guide-substeps > li {
    margin-bottom: 0.4rem;
}

.vt-guide-section-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 1.25rem;
    color: var(--kb-primary);
}

.vt-guide-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--kb-border-subtle);
}

/* ---------- Screenshot frames ---------- */

.vt-guide-figure {
    margin: 0.75rem 0 0;
}

.vt-guide-figure figcaption {
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--kb-text-muted);
}

/* Every shot gets the same frame; the image is fitted inside it and never
   upscaled, so small crops stay sharp and the frames line up. */
.vt-guide-shot-frame {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 220px;
    padding: 0.75rem;
    background: var(--kb-bg-subtle);
    border: 1px solid var(--kb-border-subtle);
    border-radius: 10px;
    box-shadow: var(--vt-shadow-elevation-1);
    cursor: zoom-in;
    overflow: hidden;
    transition: border-color var(--vt-anim-duration, 0.2s) ease;
}

.vt-guide-shot-frame img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    border-radius: 4px;
}

.vt-guide-shot-frame:hover {
    border-color: var(--kb-primary);
}

.vt-guide-shot-frame:focus-visible {
    outline: 2px solid var(--kb-primary);
    outline-offset: 2px;
}

.vt-guide-shot-hint {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--kb-text-primary);
    background: var(--kb-bg-card);
    border: 1px solid var(--kb-border-subtle);
    opacity: 0;
    transition: opacity var(--vt-anim-duration, 0.2s) ease;
    pointer-events: none;
}

.vt-guide-shot-frame:hover .vt-guide-shot-hint,
.vt-guide-shot-frame:focus-visible .vt-guide-shot-hint {
    opacity: 1;
}

@media (max-width: 767.98px) {
    .vt-guide-shot-frame {
        height: 170px;
    }

    /* No hover on touch: keep the expand badge visible. */
    .vt-guide-shot-hint {
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .vt-guide-shot-frame,
    .vt-guide-shot-hint {
        transition: none;
    }
}

/* ---------- Lightbox ---------- */

.vt-guide-lightbox-body {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--kb-bg-subtle);
}

.vt-guide-lightbox-img {
    display: block;
    max-width: 100%;
    max-height: 80vh;
    height: auto;
    object-fit: contain;
    border-radius: 6px;
}

/* ---------- Copy row ---------- */

.vt-guide-copy-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    margin-top: 0.75rem;
}

.vt-guide-copy-mask {
    display: inline-block;
    min-width: calc(14ch + 14 * 0.15em + 1.2rem);
    font-family: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.15em;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    background: var(--kb-bg-subtle);
    border: 1px solid var(--kb-border-subtle);
    color: var(--kb-text-secondary);
    user-select: none;
}

.vt-guide-copy-mask .is-scrambling {
    color: var(--kb-text-muted);
}

.vt-guide-copy-mask .is-locked {
    color: var(--kb-primary);
    font-weight: 600;
}

.vt-guide-copy-mask.is-cracked {
    user-select: text;
    animation: vt-guide-cracked 0.6s ease-out;
}

@keyframes vt-guide-cracked {
    0% {
        border-color: var(--kb-primary);
        box-shadow: 0 0 0 0 color-mix(in oklab, var(--kb-primary) 60%, transparent);
    }
    100% {
        border-color: var(--kb-border-subtle);
        box-shadow: 0 0 0 0.5rem color-mix(in oklab, var(--kb-primary) 0%, transparent);
    }
}

@media (prefers-reduced-motion: reduce) {
    .vt-guide-copy-mask.is-cracked {
        animation: none;
    }
}

.vt-guide-copy-fallback {
    max-width: 22rem;
    margin-top: 0.75rem;
}

.vt-guide-copy-fallback .form-control {
    font-family: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.05em;
}

.vt-guide-copy-fallback-hint {
    margin-top: 0.3rem;
    font-size: 0.8rem;
    color: var(--kb-text-muted);
}