.teamchat-new-room { width:100%; min-height:48px; margin-top:8px; padding:12px; border:2px dashed #71aaa8; border-radius:12px; background:#edf8f6; color:#096e69; font:inherit; font-weight:700; text-align:left; cursor:pointer; }
.teamchat-room-dialog { width:min(520px,calc(100vw - 32px)); max-height:85vh; overflow:auto; padding:20px; border:1px solid #b9d2d6; border-radius:16px; color:#173540; background:#f8fcfc; }
.teamchat-room-dialog::backdrop { background:#082b3a80; }
.teamchat-room-dialog header { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.teamchat-room-dialog form,[data-chat-room-settings] form { display:grid; gap:12px; }
.teamchat-room-dialog label,[data-chat-room-settings] label { display:grid; gap:6px; font-weight:600; }
.teamchat-room-dialog input:not([type=checkbox]),.teamchat-room-dialog select,[data-chat-room-settings] input,[data-chat-room-settings] select { box-sizing:border-box; width:100%; min-height:40px; border:1px solid #b9d2d6; border-radius:8px; background:white; padding:8px; color:#173540; font:inherit; }
.teamchat-room-dialog input[type=checkbox] { width:20px; height:20px; }
.teamchat-room-dialog button,[data-chat-room-settings] button { min-height:40px; padding:8px 12px; border:1px solid #9bbfbe; border-radius:9px; background:#117c77; color:white; cursor:pointer; }
.teamchat-room-dialog [hidden],[data-chat-room-settings] [hidden] { display:none!important; }
.teamchat-room-dialog fieldset { border:1px solid #c1d8da; border-radius:10px; min-width:0; display:grid; gap:8px; }
.teamchat-settings-note { color:#56717b; font-size:12px; line-height:1.5; }
[data-chat-room-settings] { padding-bottom:18px; margin-bottom:12px; border-bottom:1px solid #c1d8da; }