/* 星际社交：复用主题变量，独立消息滚动与触控尺寸。 */
.group-directory{min-height:0;overflow-y:auto;padding-bottom:24px}.group-intro{padding:18px 2px 20px;border-bottom:1px solid var(--color-border,#e8e3dc);margin-bottom:12px}.group-intro h3{font-size:21px;margin:10px 0}.group-intro p{font-size:13px;line-height:1.6;color:var(--color-text-muted,#77736f)}
.group-list-item{display:flex;flex-direction:column;gap:7px;text-align:left;width:100%;padding:16px;margin-bottom:10px;border:1px solid var(--color-border,#e8e3dc);border-radius:20px;background:var(--color-surface,#fffcf7);color:var(--color-text,#393832);cursor:pointer}.group-list-item strong{font-size:16px}.group-list-item small,.group-list-item span{font-size:12px;line-height:1.5;overflow-wrap:anywhere;color:var(--color-text-muted,#77736f)}
.group-room-view:not([hidden]){display:flex;flex-direction:column;min-height:0;overflow:hidden}.group-room-view>.page-header{flex-shrink:0;gap:8px}.group-heading{flex:1;min-width:0}.group-heading h2{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:17px;margin:0}.group-heading small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:210px;font-size:11px;color:var(--color-text-muted,#77736f)}.group-source{flex-shrink:0;margin:0;padding:7px 16px;font-size:11px;line-height:1.5;color:var(--color-text-muted,#77736f);border-bottom:1px solid var(--color-border,#e8e3dc)}
.group-messages{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:18px 12px 30px;scrollbar-width:thin;background:radial-gradient(ellipse at top left,#ede3f052,transparent 65%)}.group-message{display:flex;align-items:flex-start;gap:8px;margin-bottom:17px;min-width:0}.group-message.is-self{flex-direction:row-reverse}.group-avatar{width:31px;height:31px;flex:0 0 31px;border-radius:12px;background:var(--color-user-bubble,#e9e1ed);overflow:hidden;display:grid;place-items:center;font-size:12px}.group-avatar img{width:100%;height:100%;object-fit:cover}.group-message-body{max-width:calc(100% - 43px);min-width:0}.group-sender{display:block;font-size:11px;font-weight:500;margin:0 3px 5px;color:var(--color-text-muted,#77736f)}.is-self .group-sender,.is-self small{text-align:right}.group-bubble{padding:10px 13px;border-radius:5px 17px 17px 17px;background:var(--color-ai-bubble,#fffdf8);border:1px solid var(--color-border,#e8e3dc);color:var(--color-text,#393832);font-size:14px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;box-shadow:0 2px 8px #51445d05}.is-self .group-bubble{background:var(--color-user-bubble,#e9e1ed);border-radius:17px 5px 17px 17px}.group-message-body>small{display:block;margin:6px 3px 0;font-size:10px;line-height:1.4;color:var(--color-text-muted,#77736f)}.group-empty-chat{text-align:center;font-size:13px;line-height:1.7;padding:28px;color:var(--color-text-muted,#77736f)}
.group-composer{flex-shrink:0;padding:7px 12px max(12px,env(safe-area-inset-bottom));background:var(--color-surface,#fffcf7);border-top:1px solid var(--color-border,#e8e3dc)}.group-composer .module-feedback{margin:0;font-size:12px;line-height:1.5;max-height:64px;overflow:auto}.group-wait{display:flex;align-items:center;gap:6px;font-size:11px;min-height:4px}.group-wait span{flex:1}.group-wait button{border:0;border-radius:10px;background:var(--color-user-bubble,#e9e1ed);min-height:36px;padding:6px 10px;color:var(--color-text,#393832)}#group-message-form{display:flex;align-items:flex-end;gap:8px;margin-top:6px}#group-input{width:0;flex:1;resize:vertical;min-height:44px;max-height:110px;padding:11px 12px;border-radius:15px;border:1px solid var(--color-border,#e8e3dc);background:var(--color-bg,#f8f6f0);color:var(--color-text,#393832);font:inherit;font-size:14px}#group-send{min-height:44px;min-width:56px;padding:10px;border-radius:15px}
.group-editor{position:fixed;inset:auto;margin:0;left:var(--group-left,50%);top:var(--group-top,50%);transform:translate(-50%,-50%);width:var(--group-width,340px);max-width:calc(100vw - 24px);max-height:min(var(--group-height,700px),calc(100dvh - 30px));padding:0;border:1px solid var(--color-border,#e8e3dc);border-radius:25px;background:var(--color-surface,#fffcf7);color:var(--color-text,#393832);box-shadow:0 18px 60px #34243f24;overflow:hidden}.group-editor::backdrop{background:#30263b55;backdrop-filter:blur(3px)}.group-editor form{display:flex;flex-direction:column;max-height:inherit}.group-editor header,.group-editor footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 18px;flex-shrink:0}.group-editor h2{font-size:18px;margin:0}.group-editor header button{border:0;background:transparent;color:inherit;font-size:25px;min-width:44px;min-height:44px}.group-editor-body{padding:0 18px 14px;overflow-y:auto;min-height:0}.group-editor-body>label{display:flex;flex-direction:column;gap:8px;font-size:13px;margin:12px 0}.group-editor input:not([type=checkbox]),.group-editor select{width:100%;box-sizing:border-box;min-height:44px;background:var(--color-bg,#f8f6f0);color:inherit;border:1px solid var(--color-border,#e8e3dc);border-radius:12px;padding:10px;font:inherit}.group-editor fieldset{border:1px solid var(--color-border,#e8e3dc);border-radius:16px;margin:16px 0;padding:8px}.group-editor legend{font-size:13px;padding:0 6px}.group-editor legend small{font-size:11px;color:var(--color-text-muted,#77736f)}.group-member-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:190px;overflow-y:auto}.group-member-options label{display:flex;align-items:center;gap:7px;min-height:44px;padding:6px;overflow-wrap:anywhere;font-size:13px;cursor:pointer}.group-member-options input{accent-color:var(--color-primary,#a99ab5);width:17px;height:17px}.group-editor .field-hint{font-size:11px;line-height:1.7}.group-editor footer{border-top:1px solid var(--color-border,#e8e3dc)}.group-editor footer button{min-height:44px;padding:10px 12px}.group-list-item:active,.group-composer button:active,.group-editor button:active{transform:scale(.98)}
@media(prefers-reduced-motion:no-preference){.group-list-item,.group-composer button,.group-editor button{transition:transform .15s ease}}@media(hover:hover){.group-list-item:hover{border-color:var(--color-primary,#a99ab5)}}

/* 位置沿用layout.css的手机内dialog边界；不能在居中后再次平移半个弹窗。 */
.screen .group-editor {
  transform:none;
  height:min(700px,calc(var(--layout-screen-height,100dvh) - 32px));
  overflow:hidden;
}
.screen .group-editor form { height:100%; max-height:none; min-height:0; overflow:hidden; }
.screen .group-editor-body { flex:1 1 auto; min-height:0; overscroll-behavior:contain; touch-action:pan-y; scroll-padding-block:14px; }
.screen .group-member-options { max-height:none; overflow:visible; }