body {
    background: radial-gradient(circle at center, #2b2d42 0%, #111218 100%);
    background-image: linear-gradient(135deg, #18191c 0%, #202225 40%, #4752c4 100%);
    position: relative;
}
/* Discord arka plan parçacık havası katmak için sahte katman */
body::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(88, 101, 242, 0.15) 1px, transparent 0);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 1;
}
.animate-fade-in {
    animation: fadeIn 0.2s ease-out forwards;
}
@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #1e1f22; }
::-webkit-scrollbar-thumb { background: #2b2d31; border-radius: 3px; }

/* Yazıyor... göstergesi */
#typingIndicator {
    min-height: 18px;
}

/* @mention vurgusu */
.mention {
    background: rgba(88, 101, 242, 0.25);
    color: #c9cdfb;
    padding: 0 4px;
    border-radius: 4px;
    font-weight: 600;
}

/* Mention otomatik tamamlama kutusu */
#mentionDropdown {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: 8px;
    background: #232428;
    border: 1px solid #3f4147;
    border-radius: 8px;
    max-height: 180px;
    overflow-y: auto;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
#mentionDropdown .mention-item {
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}
#mentionDropdown .mention-item:hover,
#mentionDropdown .mention-item.active {
    background: #5865f2;
    color: white;
}