/* Promo banner + hex-transition. Class names use "promo" (not "ad"/"ads") so
   ad blockers don't hide elements or block image URLs. */

/* ---- Shared banner viewport (site-wide + Promo block) ---- */
.promo-viewport {
    position: relative;
    width: 100%;
    height: var(--promo-height, 160px);
    overflow: hidden;
    border-radius: 14px;
    isolation: isolate;
    background: transparent;
    box-shadow: inset 0 0 0 1px rgba(var(--hex-frame-rgb, 245, 179, 53), 0.10);
}

.promo-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.45s ease;
    will-change: opacity;
}

.promo-slide.is-active {
    opacity: 1;
    pointer-events: auto;
}

.promo-slide-link {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: block;
    cursor: pointer;
}

.promo-hex-canvas,
.promo-binary-canvas,
.binary-tile-canvas {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

.page-reveal-binary-canvas {
    position: fixed;
    inset: 0;
    z-index: 30;
    pointer-events: none;
}

.promo-viewport-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--border-color, #5557);
    border-radius: 14px;
    color: var(--text-muted, #888);
    font-size: 0.9rem;
    text-align: center;
    padding: 1rem;
}

/* ---- Site-wide side rails ----
   Tall vertical panels outside the content column. Protected content width + gap
   so rails never overlap content. */
.promo-rails {
    position: fixed;
    top: var(--promo-top);
    left: 0;
    right: 0;
    height: 0;
    pointer-events: none;
    z-index: 5;

    --promo-content-max-width: 1200px;
    --promo-edge-offset: 26px;        /* rail ↔ viewport edge */
    --promo-content-gap: 72px;        /* rail ↔ content column */
    --promo-top: 92px;                /* below top nav */
    --promo-bottom: 24px;             /* above viewport bottom */
    --promo-panel-min-width: 240px;
    --promo-panel-ideal-width: 460px;
    /* Must match promo-template.js PANEL_ASPECT_*. */
    --promo-panel-aspect-width: 330;
    --promo-panel-aspect-height: 1000;
    --promo-center-anchor: 50%;
    --promo-panel-reserve-width: var(--promo-panel-min-width);

    /* Fill top→bottom; footer paints over lower portion (no reserved dead band). */
    --promo-vfill: calc(100vh - var(--promo-top) - var(--promo-bottom));

    /* Content width reserved; rails sit outside (+ gap). */
    --promo-content-width: min(
        var(--promo-content-max-width),
        calc(100% - ((var(--promo-panel-reserve-width) + var(--promo-edge-offset) + var(--promo-content-gap)) * 2))
    );
    --promo-content-protected-width: max(var(--promo-content-width), calc(var(--promo-content-max-width) - 80px));

    /* Max width without crossing content gap or edge offset. */
    --promo-rail-max-width: calc(
        ((100% - var(--promo-content-protected-width)) / 2) - var(--promo-content-gap) - var(--promo-edge-offset)
    );
    /* Fill gutter; capped by aspect so height fits --promo-vfill. */
    --promo-panel-render-width: clamp(
        var(--promo-panel-min-width),
        min(var(--promo-rail-max-width), var(--promo-panel-ideal-width)),
        calc(var(--promo-vfill) * (var(--promo-panel-aspect-width) / var(--promo-panel-aspect-height)))
    );
}

.promo-rail {
    position: absolute;
    top: 0;
    width: var(--promo-panel-render-width);
    aspect-ratio: var(--promo-panel-aspect-width) / var(--promo-panel-aspect-height);
    height: auto;
    max-height: var(--promo-vfill);
    overflow: hidden;
    pointer-events: auto;
    /* Edge feather mask on the rail artwork. */
    -webkit-mask-image:
        linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%),
        linear-gradient(to bottom, transparent 0%, #000 3%, #000 97%, transparent 100%);
    -webkit-mask-composite: source-in;
    mask-image:
        linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%),
        linear-gradient(to bottom, transparent 0%, #000 3%, #000 97%, transparent 100%);
    mask-composite: intersect;
}

.promo-rail-left {
    right: calc(var(--promo-center-anchor) + (var(--promo-content-protected-width) / 2) + var(--promo-content-gap));
}

.promo-rail-right {
    left: calc(var(--promo-center-anchor) + (var(--promo-content-protected-width) / 2) + var(--promo-content-gap));
}

.promo-rail .promo-viewport {
    position: absolute;
    inset: 0;
    height: 100%;
    border-radius: 0;
    box-shadow: none;
}

/* Hide when rails would crowd content. */
@media (max-width: 1300px) {
    .promo-rails {
        display: none;
    }
}

/* Footer (z-index 6) covers rail bottoms when scrolled; no reserved band above footer. */

/* ---- Admin manager ---- */
.promo-admin-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.promo-admin-card {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 0.9rem;
    align-items: center;
    border: 1px solid var(--border-color, #ddd);
    border-radius: 12px;
    padding: 0.6rem;
    background: var(--surface-bg, #fff);
}

.promo-admin-card.is-inactive {
    opacity: 0.55;
}

.promo-admin-card-img {
    height: 92px;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
}

.promo-admin-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.promo-admin-card-noimg {
    color: var(--text-muted, #999);
    font-size: 0.8rem;
}

.promo-admin-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.promo-admin-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted, #777);
}

.promo-admin-chip {
    display: inline-block;
    padding: 0.05rem 0.5rem;
    border-radius: 999px;
    background: rgba(var(--hex-frame-rgb, 245, 179, 53), 0.18);
    color: var(--text-primary, #222);
    font-weight: 600;
}

.promo-admin-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.2rem;
}

.promo-admin-preview {
    max-width: 100%;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color, #ddd);
}

.promo-admin-preview img {
    display: block;
    max-width: 100%;
    height: auto;
}