/* ── Mention styles (Facebook-like) ── */
.cm-mention {
    color: #1877F2;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    background: rgba(24, 119, 242, 0.08);
    border-radius: 3px;
    padding: 0 2px;
}

.cm-mention:hover {
    text-decoration: underline;
    color: #1558b0;
}

/* ── Mention autocomplete dropdown ── */
#challengeSubmissionViewModal .cm-mention-dropdown {
    position: absolute;
    bottom: calc(100% + 10px);
    left: auto;
    right: 0;
    width: 260px;
    max-height: 280px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: none;
    border-radius: 16px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.14);
    z-index: 30;
    margin-bottom: 0;
}

#challengeSubmissionViewModal .cm-mention-empty {
    padding: 8px 16px 14px;
    font-size: 0.875rem;
    color: #6b7280;
}

#challengeSubmissionViewModal .cm-mention-dropdown-header {
    flex-shrink: 0;
    padding: 14px 16px 10px;
    font-size: 1rem;
    font-weight: 700;
    color: #121212;
    line-height: 1.2;
}

#challengeSubmissionViewModal .cm-mention-list {
    overflow-y: auto;
    max-height: 220px;
    padding: 0 8px 10px;
}

#challengeSubmissionViewModal .cm-mention-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: 10px;
    cursor: pointer;
    transition: background .15s;
    width: 100%;
    min-width: 0;
}

#challengeSubmissionViewModal .cm-mention-item:hover,
#challengeSubmissionViewModal .cm-mention-item.active {
    background: #f6f6f6;
}

#challengeSubmissionViewModal .cm-mention-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    display: block;
}

#challengeSubmissionViewModal .cm-mention-name {
    flex: 1;
    min-width: 0;
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #121212 !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

/* ── Comment input actions (@, emoji, attach) ── */
#challengeSubmissionViewModal .cm-comment-input-wrap {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    position: relative;
    overflow: visible;
}

#challengeSubmissionViewModal .add-comment-figma {
    overflow: visible;
    z-index: 2;
}

#challengeSubmissionViewModal .submission-content.submission-content-figma {
    overflow: visible;
}

#challengeSubmissionViewModal .cm-comment-input-wrap .cm-mention-input {
    flex: 1;
    min-width: 0;
    padding-right: 88px !important;
}

#challengeSubmissionViewModal .cm-comment-input-actions {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding-right: 2px;
}

#challengeSubmissionViewModal .cm-comment-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: transparent;
    color: rgba(18, 18, 18, 0.55);
    border-radius: 50%;
    cursor: pointer;
    line-height: 1;
}

#challengeSubmissionViewModal .cm-comment-action-btn:hover,
#challengeSubmissionViewModal .cm-comment-action-btn.is-active {
    color: #121212;
    background: rgba(0, 0, 0, 0.06);
}

#challengeSubmissionViewModal .cm-comment-action-btn .mdi {
    font-size: 1.125rem;
    line-height: 1;
}

#challengeSubmissionViewModal .cm-emoji-picker {
    position: absolute;
    bottom: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: 10px 8px 12px 10px;
    z-index: 12;
    overflow: hidden;
}

#challengeSubmissionViewModal .cm-emoji-picker-grid {
    display: grid;
    grid-template-columns: repeat(10, 28px);
    gap: 2px;
    max-height: 156px;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 4px;
    padding-bottom: 4px;
    box-sizing: content-box;
}

#challengeSubmissionViewModal .cm-emoji-picker-grid::-webkit-scrollbar {
    width: 4px;
}

#challengeSubmissionViewModal .cm-emoji-picker-grid::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

#challengeSubmissionViewModal .cm-emoji-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    overflow: hidden;
    flex-shrink: 0;
}

#challengeSubmissionViewModal .cm-emoji-item:hover {
    background: #f3f4f6;
}