/* ==========================================================================
   Sudoku.School — Ad Slot Styles (ads.css)
   Placeholder and layout styles for Google AdSense slots
   ========================================================================== */

/* ---------- Base Ad Slot ---------- */
.ad-slot {
    display: none;
    width: 100%;
    max-width: 1100px;
    margin: 16px auto;
    padding: 0 20px;
    box-sizing: border-box;
    text-align: center;
    min-height: 0;
    overflow: hidden;
}

/* Ad slot inner container (injected by ads.js) */
.ad-slot ins {
    display: block;
    width: 100%;
}

/* Show only real injected ads or explicit dev placeholders */
.ad-slot[data-ad-injected="1"] {
    display: block;
}

.ad-slot--dev {
    display: flex;
}

/* ---------- Header Banner ---------- */
.ad-slot--header {
    min-height: 90px;
}

/* ---------- Footer Banner ---------- */
.ad-slot--footer {
    min-height: 90px;
}

/* ---------- In-Article ---------- */
.ad-slot--in-article {
    min-height: 100px;
    margin: 24px auto;
}

/* ---------- Sidebar ---------- */
.ad-slot--sidebar {
    min-height: 250px;
    max-width: 300px;
}

/* ---------- Development Placeholder ---------- */
.ad-slot--dev {
    border: 2px dashed #ccc;
    border-radius: var(--nb-radius, 12px);
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        #fafafa 10px,
        #fafafa 20px
    );
    display: flex;
    align-items: center;
    justify-content: center;
    color: #bbb;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
    .ad-slot--header,
    .ad-slot--footer {
        min-height: 50px;
    }
}