/* W8 WorkHub R16.3 Collaboration UX */
.r163-chat-layout{min-height:72vh}.r163-compose-wrap{position:relative}.r163-mention-menu{position:absolute;left:0;right:90px;bottom:72px;z-index:90;background:#fff;border:1px solid #dbe2ea;border-radius:14px;box-shadow:0 16px 40px rgba(15,23,42,.16);max-height:300px;overflow:auto;padding:6px}.r163-mention-menu.hidden{display:none}.r163-mention-menu button{width:100%;border:0;background:#fff;display:grid;grid-template-columns:36px 1fr;gap:10px;text-align:left;align-items:center;padding:9px;border-radius:10px}.r163-mention-menu button:hover{background:#f1f5f9}.r163-mention-menu small{display:block;color:#64748b}.r163-mention{background:#dbeafe;color:#1d4ed8;border-radius:5px;padding:1px 3px;font-weight:700}
.r163-group-dialog .dialog-body{width:min(900px,94vw)}.r163-picker-tools{display:grid;grid-template-columns:1fr 220px;gap:10px;margin-top:12px}.r163-selected{display:flex;gap:7px;flex-wrap:wrap;min-height:46px;padding:10px 0}.r163-chip{border:1px solid #cbd5e1;background:#f8fafc;border-radius:999px;padding:6px 10px;display:flex;align-items:center;gap:7px}.r163-chip>span{width:22px;height:22px;display:inline-grid;place-items:center;background:#111827;color:#fff;border-radius:50%;font-size:11px}.r163-people-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:46vh;overflow:auto;padding:2px}.r163-person{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:10px;border:1px solid #e2e8f0;background:#fff;border-radius:12px;text-align:left;padding:10px}.r163-person.selected{border-color:#111827;background:#f8fafc}.r163-person small{display:block;color:#64748b;margin-top:2px}.r163-avatar{width:34px;height:34px;display:inline-grid;place-items:center;border-radius:50%;background:#e2e8f0;color:#0f172a;font-weight:800;flex:none}.r163-check{font-size:18px;font-weight:900}.r163-picker-footer{position:sticky;bottom:-1px;background:#fff;border-top:1px solid #e5e7eb;margin-top:10px;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.r163-meeting-dialog{width:100vw;max-width:none;height:100vh;max-height:none;margin:0;border:0;padding:0;background:#050b18;color:#fff}.r163-meeting-dialog::backdrop{background:#050b18}.r163-meeting-shell{height:100vh;display:grid;grid-template-rows:auto 1fr auto;background:#050b18}.r163-meeting-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;background:#0f172a;border-bottom:1px solid #1e293b}.r163-meeting-head h3{margin:0;color:#fff}.r163-meeting-head small{color:#94a3b8}.r163-meeting-main{min-height:0;display:grid;grid-template-columns:minmax(0,1fr) auto;overflow:hidden}.r163-video-grid{padding:14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;overflow:auto;align-content:start}.r163-video-tile{position:relative;background:#020617;border:1px solid #1e293b;border-radius:16px;overflow:hidden;min-height:280px}.r163-video-tile video{width:100%;height:100%;min-height:280px;object-fit:cover}.r163-video-tile>span{position:absolute;left:12px;bottom:12px;background:rgba(2,6,23,.75);border-radius:999px;padding:5px 10px}.r163-meeting-panel{width:min(390px,38vw);background:#fff;color:#0f172a;padding:16px;overflow:auto;border-left:1px solid #cbd5e1}.r163-meeting-panel.hidden{display:none}.r163-meeting-panel textarea{min-height:100px}.r163-participants{display:grid;gap:8px}.r163-participants>div{display:grid;grid-template-columns:38px 1fr auto;gap:9px;align-items:center;padding:8px 0;border-bottom:1px solid #e5e7eb}.r163-participants small{display:block;color:#64748b}.r163-control-bar{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:#0f172a;border-top:1px solid #1e293b}.r163-control-bar button{border:1px solid #334155;background:#1e293b;color:#fff;border-radius:12px;min-width:84px;padding:9px 11px;display:grid;gap:2px;place-items:center}.r163-control-bar button span{font-size:11px}.r163-control-bar button.off{background:#7f1d1d;border-color:#991b1b}
.content:has(.r15-planner-head){max-width:1680px;width:100%;padding-left:20px;padding-right:20px}.r163-planner-content>.r15-planner-head{max-width:none}.r163-planner-shell{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:14px;align-items:start}.r163-planner-main{min-width:0;overflow:hidden}.r163-planner-main .r151-time-scroll,.r163-planner-main .r151-month-scroll{max-width:100%;overflow:auto}.r163-planner-side{min-width:0}.r163-planner-side .r16-room-card{margin:0;position:sticky;top:76px;max-height:calc(100vh - 96px);overflow:auto}.r163-planner-content #r16MeetingRoomsCard~#r16MeetingRoomsCard{display:none!important}
.r163-reminder-v2{margin-bottom:16px}.r163-rule-list{display:grid;gap:8px;margin-top:16px}.r163-rule-list .notice{display:flex;justify-content:space-between;gap:12px;align-items:center}.r163-rule-list small{display:block;color:#64748b;margin-top:3px}.r163-receiver-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.r163-receiver-grid label{border:1px solid #e2e8f0;border-radius:12px;padding:10px;display:flex;justify-content:space-between;gap:10px;align-items:center}.r163-receiver-grid small{display:block;color:#64748b}
.location-link[data-r163-privacy="1"]{display:inline-flex;align-items:center;gap:6px;color:#166534;border-color:#bbf7d0;background:#f0fdf4}.location-link[data-r163-privacy="1"] small{color:#64748b}
@media(max-width:1000px){.r163-people-grid{grid-template-columns:1fr}.r163-picker-tools{grid-template-columns:1fr}.r163-receiver-grid{grid-template-columns:1fr 1fr}.r163-meeting-main{grid-template-columns:1fr}.r163-meeting-panel{position:absolute;right:0;top:66px;bottom:82px;width:min(92vw,390px);z-index:30;box-shadow:-12px 0 30px rgba(0,0,0,.3)}.r163-video-grid{grid-template-columns:1fr}.r163-control-bar{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}.r163-control-bar button{min-width:76px}.content:has(.r15-planner-head){padding-left:12px;padding-right:12px}.r163-planner-shell{grid-template-columns:1fr}.r163-planner-side .r16-room-card{position:static;max-height:none}}
@media(max-width:640px){.r16-chat-layout.r163-chat-layout{grid-template-columns:1fr;min-height:0}.r16-chat-list{max-height:34vh}.r163-receiver-grid{grid-template-columns:1fr}.r163-meeting-head{padding:10px 12px}.r163-video-grid{padding:8px}.r163-video-tile,.r163-video-tile video{min-height:220px}.r163-meeting-panel{top:58px;bottom:76px}.r163-control-bar{padding:8px 8px calc(8px + env(safe-area-inset-bottom))}}

/* R16.3.2 planner stability: base planner DOM remains authoritative; no observer-driven reparenting. */
.r163-planner-content.r163-planner-stable{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:14px;align-items:start}
.r163-planner-content.r163-planner-stable>.r15-planner-head{grid-column:1/-1;grid-row:auto}
.r163-planner-content.r163-planner-stable>#r16MeetingRoomsCard{grid-column:2;grid-row:2/span 64;margin:0;position:sticky;top:76px;max-height:calc(100vh - 96px);overflow:auto;align-self:start}
.r163-planner-content.r163-planner-stable>:not(.r15-planner-head):not(#r16MeetingRoomsCard):not(dialog){grid-column:1;min-width:0}
.r163-planner-content.r163-planner-stable>dialog{grid-column:auto}
@media(max-width:1000px){.r163-planner-content.r163-planner-stable{grid-template-columns:minmax(0,1fr)}.r163-planner-content.r163-planner-stable>.r15-planner-head,.r163-planner-content.r163-planner-stable>#r16MeetingRoomsCard,.r163-planner-content.r163-planner-stable>:not(.r15-planner-head):not(#r16MeetingRoomsCard):not(dialog){grid-column:1;grid-row:auto}.r163-planner-content.r163-planner-stable>#r16MeetingRoomsCard{position:static;max-height:none;order:2}}