#ym-mention-picker{position:fixed;z-index:240;display:flex;flex-direction:column;width:min(560px,calc(100vw - 16px));max-height:min(520px,calc(100dvh - 16px));background:var(--panel);color:var(--text);border:1px solid var(--line2);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;}
body #ym-mention-picker.ctx-menu{min-width:0;padding:0;border-radius:16px;background:var(--panel);backdrop-filter:none;-webkit-backdrop-filter:none;}
body.home #ym-mention-picker{display:flex!important;}
#ym-mention-picker .mention-head{flex:none;padding:12px 14px 10px;border-bottom:1px solid var(--line);}
#ym-mention-picker .mention-heading{display:flex;align-items:center;gap:8px;margin-bottom:9px;font-size:13px;color:var(--dim);}
#ym-mention-picker .mention-close{margin-left:auto;display:grid;place-items:center;width:28px;height:28px;flex:none;border-radius:7px;font-size:21px;line-height:1;}
#ym-mention-picker .mention-close:hover{background:var(--panel3);color:var(--text);}
#ym-mention-picker .mention-search{display:block;width:100%;min-width:0;height:36px;padding:7px 10px;border:1px solid var(--line2);border-radius:8px;background:var(--panel2);color:var(--text);font-size:13px;outline:none;user-select:text;}
#ym-mention-picker .mention-search:focus{border-color:var(--accent);}
#ym-mention-picker .mention-search::placeholder{color:var(--dim);}
#ym-mention-picker .mention-types{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
#ym-mention-picker .mention-type{padding:5px 12px;border-radius:20px;font-size:12px;background:var(--panel2);color:var(--dim);}
#ym-mention-picker .mention-type[aria-pressed="true"]{background:var(--accent);color:var(--bg);font-weight:600;}
#ym-mention-picker .mention-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-content:start;gap:14px 12px;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:var(--line2) transparent;padding:14px;}
#ym-mention-picker .mention-card{display:flex;flex-direction:column;align-items:stretch;gap:6px;min-width:0;text-align:left;border-radius:9px;padding:3px;}
#ym-mention-picker .mention-card:hover,#ym-mention-picker .mention-card:focus-visible{background:var(--panel3);outline:2px solid var(--accent);outline-offset:0;}
#ym-mention-picker .mention-preview{position:relative;display:grid;place-items:center;width:100%;aspect-ratio:3/2;overflow:hidden;border-radius:7px;background:var(--panel2);color:var(--dim);}
#ym-mention-picker .mention-preview img,#ym-mention-picker .mention-preview video{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain;}
#ym-mention-picker .mention-preview img[hidden],#ym-mention-picker .mention-preview video[hidden]{display:none;}
#ym-mention-picker .mention-preview svg{width:30px;height:30px;}
#ym-mention-picker .mention-title{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;line-height:1.4;}
#ym-mention-picker .mention-model{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--dim);font-size:11px;line-height:1.4;}
#ym-mention-picker .mention-empty{grid-column:1/-1;padding:24px 8px;color:var(--dim);text-align:center;font-size:13px;}
#ym-mention-picker button:focus-visible{outline:2px solid var(--accent);outline-offset:1px;}
@media(max-width:540px){#ym-mention-picker .mention-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 10px;padding:12px;}#ym-mention-picker .mention-search{font-size:16px;}}
@media(pointer:coarse){#ym-mention-picker .mention-close{width:36px;height:36px;}#ym-mention-picker .mention-type{min-height:40px;}}
#ym-mention-picker .mention-sources{display:flex;gap:5px;margin:0 0 10px;}
#ym-mention-picker .mention-sources button{flex:1;padding:6px;border-radius:6px;background:var(--panel2);color:var(--dim);font-size:12px;}
#ym-mention-picker .mention-sources button[aria-pressed="true"]{background:var(--text);color:var(--panel);}
#ym-mention-picker .mention-retry{display:block;margin:12px auto 0;padding:8px 14px;border:1px solid var(--line2);border-radius:7px;color:var(--text);}
@media(pointer:coarse){#ym-mention-picker :is(.mention-close,.mention-type,.mention-sources button){min-height:44px;}}