.zib-mention-suggestions {
    position: absolute;
    z-index: 10080;
    display: none;
    padding: 6px;
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid rgba(255, 255, 255, 0.42);
    border-radius: 12px;
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    overflow-y: auto;
    overflow-x: hidden;
    transform-origin: center top;
    transition: opacity 0.18s ease, transform 0.18s ease;
    -webkit-overflow-scrolling: touch;
    -webkit-backdrop-filter: blur(16px) saturate(165%);
    backdrop-filter: blur(16px) saturate(165%);
    isolation: isolate;
}

.zib-mention-suggestions::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(130deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0.08));
    pointer-events: none;
    z-index: 0;
}

.zib-mention-suggestions > * {
    position: relative;
    z-index: 1;
}

.zib-mention-suggestions.is-above {
    transform-origin: center bottom;
}

.zib-mention-suggestions.closing {
    opacity: 0;
    transform: translateY(-4px);
}

.zib-mention-suggestions::-webkit-scrollbar {
    width: 6px;
}

.zib-mention-suggestions::-webkit-scrollbar-thumb {
    background: var(--muted-border-color, rgba(0, 0, 0, 0.12));
    border-radius: 999px;
}

.mention-suggestion {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.mention-suggestion + .mention-suggestion {
    margin-top: 3px;
}

.mention-suggestion:hover,
.mention-suggestion.active {
    background: var(--focus-color-opacity1, rgba(64, 158, 255, 0.12));
    background: color-mix(in srgb, var(--focus-color, #409eff) 12%, transparent);
    border-color: var(--focus-color-opacity3, rgba(64, 158, 255, 0.3));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.mention-suggestion .suggestion-avatar,
.mention-suggestion .avatar-img,
.mention-suggestion .avatar-status-box {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.mention-suggestion .avatar-img img,
.mention-suggestion .avatar-status-box img {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
}

.mention-suggestion .avatar-badge,
.mention-suggestion .online-status-dot {
    display: none !important;
}

.suggestion-info {
    flex: 1;
    min-width: 0;
}

.suggestion-name {
    color: var(--main-color, #333);
    font-size: 13px;
    line-height: 1.3;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mention-suggestion:hover .suggestion-name,
.mention-suggestion.active .suggestion-name {
    color: var(--focus-color, #409eff);
}

.suggestion-login {
    margin-top: 2px;
    color: var(--muted-2-color, #8a8a8a);
    font-size: 12px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggestion-login::before {
    content: "@";
    opacity: 0.85;
    margin-right: 1px;
}

.mention-loading,
.mention-no-results {
    padding: 16px 10px;
    text-align: center;
    font-size: 12px;
    color: var(--muted-2-color, #8a8a8a);
    border: 1px dashed var(--main-border-color, rgba(0, 0, 0, 0.08));
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.24);
}

.user-mention {
    display: inline-flex;
    align-items: center;
    margin: 0 1px;
    padding: 1px 7px;
    border-radius: 999px;
    color: var(--focus-color, #409eff);
    background: var(--focus-color-opacity1, rgba(64, 158, 255, 0.12));
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.user-mention:hover {
    color: #fff;
    background: var(--focus-color, #409eff);
    box-shadow: 0 6px 14px var(--focus-color-opacity3, rgba(64, 158, 255, 0.32));
    text-decoration: none;
}

.zib-mentions-list {
    margin: 20px 0;
}

.mention-item {
    border: 1px solid var(--main-border-color, rgba(0, 0, 0, 0.08));
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 12px;
    background: var(--main-bg-color, #fff);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.mention-item:hover {
    border-color: var(--focus-color-opacity3, rgba(64, 158, 255, 0.3));
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

body.dark-theme .zib-mention-suggestions {
    background: rgba(50, 51, 53, 0.62);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

body.dark-theme .zib-mention-suggestions::before {
    background: linear-gradient(140deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.02));
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
    .zib-mention-suggestions {
        background: var(--main-bg-color, #fff);
        border-color: var(--main-border-color, rgba(0, 0, 0, 0.08));
    }

    .zib-mention-suggestions::before {
        display: none;
    }

    body.dark-theme .zib-mention-suggestions {
        background: var(--main-bg-color, #323335);
        border-color: var(--main-border-color, rgba(114, 114, 114, 0.1));
    }
}

.mention-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.mentioner {
    color: var(--main-color, #333);
    font-weight: 600;
}

.mention-time {
    color: var(--muted-2-color, #8a8a8a);
    font-size: 12px;
}

.mention-content {
    color: var(--main-color, #333);
    line-height: 1.6;
    margin-bottom: 12px;
}

.mention-actions {
    text-align: right;
}

.view-mention {
    color: var(--focus-color, #409eff);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.view-mention:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .zib-mention-suggestions {
        padding: 6px;
        border-radius: 10px;
    }

    .mention-suggestion {
        padding: 8px;
    }

    .mention-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .mention-time {
        align-self: flex-end;
    }
}