/* ================= ADVERTISEMENT STYLES ================= */
.ad-banner {
    padding: 20px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-top: 1px solid #334155;
    border-bottom: 1px solid #334155;
}

.ad-slot {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 90px;
}

.ad-leaderboard {
    max-width: 728px;
    width: 100%;
}

.ad-rectangle {
    max-width: 300px;
    width: 100%;
}

.ad-placeholder {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border: 2px dashed #475569;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.ad-placeholder:hover {
    border-color: #38bdf8;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.ad-placeholder span {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #0f172a;
    color: #94a3b8;
    padding: 2px 8px;
    font-size: 11px;
    border-radius: 4px;
    border: 1px solid #334155;
}

.ad-content p {
    margin: 5px 0 0 0;
    color: #cbd5e1;
    font-size: 14px;
    font-weight: 500;
}

.ad-content small {
    color: #64748b;
    font-size: 12px;
}

/* Mobile responsive ads */
@media (max-width: 768px) {
    .ad-leaderboard {
        max-width: 100%;
        padding: 0 10px;
    }
    
    .ad-rectangle {
        max-width: 100%;
        padding: 0 10px;
    }
    
    .ad-placeholder {
        padding: 10px;
        min-height: 50px;
    }
}

/* Sidebar ads */
.sidebar-ad {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 160px;
    z-index: 100;
}

.sidebar-ad .ad-placeholder {
    min-height: 600px;
    padding: 10px;
}

/* Hide sidebar on mobile */
@media (max-width: 1024px) {
    .sidebar-ad {
        display: none;
    }
}