.dg-mention-dropdown { position: fixed; z-index: 2147483000; min-width: 280px; max-width: 480px; max-height: 320px; overflow: hidden; border: 1px solid rgba(255, 255, 255, .1); border-radius: 12px; background: rgba(10, 14, 20, .98); backdrop-filter: blur(12px); box-shadow: none !important; }
.dg-mention-dropdown[hidden] { display: none; }
.dg-mention-dropdown__header { padding: 10px 14px 8px; border-bottom: 1px solid rgba(255, 255, 255, .06); color: var(--dg-text-muted); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.dg-mention-dropdown__list { max-height: 260px; overflow-y: auto; padding: 4px; }
.dg-mention-group { padding: 8px 12px 4px; color: var(--dg-text-dim); font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.dg-mention-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 12px; border-radius: 8px; cursor: pointer; transition: background .15s ease; }
.dg-mention-item:hover, .dg-mention-item.is-selected { background: color-mix(in srgb, var(--dg-highlight) 8%, transparent); }
.dg-mention-item__left { display: inline-flex; flex-shrink: 0; align-items: center; gap: 8px; min-width: 0; }
.dg-mention-key { flex-shrink: 0; color: var(--dg-highlight); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .82rem; font-weight: 600; white-space: nowrap; }
.dg-mention-key--special { color: #dee0fc; }
.dg-mention-key--role { color: var(--dg-mention-color, #99a7b5); }
.dg-mention-key--member { color: var(--dg-text); }
.dg-mention-dot { flex-shrink: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--dg-mention-color, #99a7b5); }
.dg-mention-badge { display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; width: 18px; height: 18px; border-radius: 50%; background: rgba(88, 101, 242, .25); color: #dee0fc; font-size: .72rem; font-weight: 700; }
.dg-mention-badge--member { background: rgba(255, 255, 255, .08); color: var(--dg-text-muted); }
.dg-mention-channel-icon { display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; width: 18px; color: var(--dg-text-muted); font-size: .9rem; font-weight: 700; }
.dg-mention-desc { flex-shrink: 1; min-width: 0; overflow: hidden; color: var(--dg-text-dim); font-size: .74rem; text-align: right; text-overflow: ellipsis; white-space: nowrap; }
.dg-mention-empty { padding: 16px; color: var(--dg-text-muted); font-size: .82rem; text-align: center; }
.dg-mention-mirror { position: absolute; top: -9999px; left: -9999px; visibility: hidden; pointer-events: none; }

.dg-mention-wrapper { position: relative; display: block; width: 100%; min-width: 0; }
.dg-mention-backdrop { position: absolute; top: 0; left: 0; z-index: 0; margin: 0; overflow: hidden; pointer-events: none; white-space: pre; overflow-wrap: normal; word-break: normal; text-shadow: none; transition: border-color .2s var(--dg-ease), background-color .2s var(--dg-ease); }
.dg-mention-backdrop.is-textarea { white-space: pre-wrap; overflow-wrap: break-word; }
.dg-mention-line { width: 100%; height: 100%; overflow: hidden; white-space: pre; }
.dg-mention-wrapper.is-focused .dg-mention-backdrop { border-color: rgba(var(--dg-highlight-rgb), .65) !important; background-color: rgba(var(--dg-highlight-rgb), .08) !important; }
.dg-mention-wrapper > .dg-mention-input { display: block; position: relative; z-index: 1; color: transparent !important; -webkit-text-fill-color: transparent !important; caret-color: var(--dg-text); background: transparent !important; border-color: transparent !important; outline: none !important; box-shadow: none !important; text-shadow: none !important; transition: none !important; }
.dg-mention-wrapper > .dg-mention-input::placeholder { color: transparent !important; -webkit-text-fill-color: transparent !important; }
.dg-mention-wrapper > .dg-mention-input::selection { background: rgba(var(--dg-highlight-rgb), .3); color: transparent; -webkit-text-fill-color: transparent; }
.dg-mention-backdrop .dg-mention-placeholder { color: var(--dg-text-dim); }
.dg-mention-backdrop .dg-mention-chip { color: var(--dg-highlight); font: inherit; letter-spacing: inherit; }
.dg-mention-backdrop .dg-mention-special, .dg-mention-backdrop .dg-mention-channel, .dg-mention-backdrop .dg-mention-role, .dg-mention-backdrop .dg-mention-user { display: inline; margin: 0; padding: 2px 0; border-radius: 4px; background-color: rgba(88, 101, 242, .2); color: #dee0fc; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.dg-mention-backdrop .dg-mention-role { background-color: color-mix(in srgb, var(--dg-mention-color, #99a7b5) 18%, transparent); color: var(--dg-mention-color, #dee0fc); }
.dg-mention-backdrop .dg-mention-placeholder .dg-mention-chip { color: rgba(var(--dg-highlight-rgb), .55); }