/* ITCN V1.14 — content-first messaging and compact, original icon navigation. */
:root{--dock-height:70px;--chat-bubble:#252528;--own-bubble:#e8e8ea;--chat-canvas:#101012;--chat-divider:#2c2c30}
html[data-theme="light"]{--chat-bubble:#fff;--own-bubble:#dedee0;--chat-canvas:#efefef;--chat-divider:#d9d9dc}
[hidden]{display:none!important}
.icon-button{display:inline-flex;align-items:center;justify-content:center;flex:none;width:44px;height:44px;padding:10px;border:0;border-radius:13px;background:transparent;color:var(--text);cursor:pointer;touch-action:manipulation;transition:background 180ms ease,transform 220ms var(--ease-fluid)}
.icon-button svg,.attachment-choice svg{width:24px;height:24px;display:block;flex:none}
.icon-button:hover{background:var(--surface-2)}
.icon-button:active{transform:scale(.92)}
.avatar{position:relative;display:inline-flex;align-items:center;justify-content:center;flex:none;width:44px;height:44px;min-height:44px;border:0;padding:0;border-radius:13px;overflow:hidden;background:var(--surface-2);color:var(--text);font-size:18px;font-weight:650;line-height:1;text-decoration:none;isolation:isolate}
.avatar>img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;background:var(--surface-2)}
.avatar>svg{width:26px;height:26px}
button.avatar{cursor:pointer;transition:transform 220ms var(--ease-fluid)}
button.avatar:active{transform:scale(.94)}
.avatar-large{width:64px;height:64px;border-radius:18px;font-size:25px}
.mobile-profile-button,.mobile-dock{display:none}
.profile-setting{display:flex;align-items:center;gap:18px;padding-block:12px 26px;border-bottom:1px solid var(--line);margin-bottom:12px}
.profile-setting>div{flex:1;min-width:0}.profile-setting p{color:var(--muted);margin:4px 0 0;font-size:14px;line-height:1.7}
.secondary-button{background:var(--surface-2);border-color:var(--line);color:var(--text)}
.secondary-button:hover{background:var(--surface-2);border-color:var(--muted)}
.settings-logout{margin-top:22px}
.community-dialog{padding:28px;width:min(460px,calc(100% - 32px));max-height:calc(100dvh - 40px);overflow:auto;border:1px solid var(--line);border-radius:24px;background:var(--surface);color:var(--text);box-shadow:0 24px 100px #0004}
dialog::backdrop{background:#0008;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}
.dialog-heading h2{margin:0;font-size:23px}.dialog-description{color:var(--muted);font-size:14px;line-height:1.8}
.avatar-preview-wrap{height:180px;display:grid;place-items:center;position:relative;margin:12px 0 20px}
.avatar-preview-wrap .avatar-preview,.avatar-preview-wrap>img{width:160px;height:160px;border-radius:30px;font-size:50px}
.avatar-preview-wrap>img{position:absolute;object-fit:cover;background:var(--surface)}
.file-select-label{cursor:pointer}.avatar-dialog>.button{width:100%}
.upload-status{font-size:13px;line-height:1.8;overflow-wrap:anywhere;color:var(--muted);margin:8px 0}
.member-avatar{display:block;width:min(260px,100%);aspect-ratio:1;object-fit:cover;border-radius:22px;margin:12px auto 24px}
#member-profile{text-align:center}
.nav .nav-indicator{border-radius:17px;transition-timing-function:cubic-bezier(.2,1.1,.3,1)}

/* Desktop: conversation list and message canvas. */
body.chat-body .page.chat-page{padding-block:16px;overflow:hidden}
body.chat-body .chat-layout{display:grid;grid-template-columns:clamp(260px,24vw,360px) minmax(0,1fr);grid-template-rows:minmax(0,1fr);gap:0;border:1px solid var(--line);border-radius:22px;overflow:hidden;min-height:0;width:100%}
body.chat-body .chat-sidebar{display:flex;flex-direction:column;align-items:stretch;gap:0;width:auto;max-height:none;min-height:0;height:100%;padding:0;border:0;border-right:1px solid var(--chat-divider);border-radius:0;background:var(--surface);overflow:hidden;box-shadow:none}
.chat-sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:none;padding:22px 20px 18px;border-bottom:0}
.chat-sidebar-head h1{font-size:26px;margin:0 0 4px;letter-spacing:-.03em}.chat-sidebar-head p{font-size:13px;color:var(--muted);margin:0}
.sidebar-scroll{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:thin}
.conversation-section-label{display:block;padding:4px 20px 10px;color:var(--muted);font-size:12px}
.conversation-list{display:grid;gap:3px;padding:0 8px 12px}
.conversation{display:flex;align-items:center;gap:13px;min-width:0;min-height:78px;padding:14px 12px;margin:0;border:0;border-radius:14px;flex:none;white-space:normal;transition:background 180ms ease}
.conversation.active{background:var(--surface-2);border-color:transparent}.conversation:hover{border-color:transparent}
.conversation .avatar{width:46px;height:46px}.group-avatar{background:var(--text);color:var(--bg)}
.conversation-copy{display:grid;gap:6px;min-width:0;max-width:none;flex:1}
.conversation-copy strong{font-size:15px;line-height:1.4;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conversation-copy small{display:block;font-size:12px;line-height:1.5;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.friends-empty{display:block;padding:10px 20px 20px;font-size:13px;line-height:1.8}
.friend-request{margin:6px 12px;padding:10px;font-size:13px;white-space:normal;min-width:0;max-width:none;width:auto;flex:none}
.friend-request span{overflow-wrap:anywhere}.friend-request button{flex:none;min-height:36px;font-size:13px}
.pending-requests{display:block;padding:10px 20px;overflow-wrap:anywhere;line-height:1.8}
body.chat-body .add-friend-details{position:static;flex:none;margin:8px 12px;border-radius:13px;background:var(--surface-2);color:var(--text);box-shadow:none;white-space:normal;min-width:0;max-width:none;width:auto;overflow:visible}
.add-friend-details summary{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;font-size:14px;min-height:46px}
.add-friend-details summary::before,.add-friend-details:not([open])::after{display:none}.add-friend-details summary svg{width:18px;height:18px}
.add-friend-form input{font-size:16px;min-height:44px}.add-friend-form label{font-size:13px}
.chat-account-link{flex:none;display:block;margin:0;padding:4px 20px 18px;text-align:center;font-size:12px;color:var(--muted)}
.chat-account-link a{text-decoration:none}.chat-account-link a:hover{text-decoration:underline}
body.chat-body .chat-shell{display:flex;min-height:0;height:100%;border:0;border-radius:0;background:var(--chat-canvas);overflow:hidden}
.thread-heading{display:flex;align-items:center;gap:12px;padding:16px 24px;flex:none;min-height:78px;border-bottom:1px solid var(--chat-divider);background:var(--surface)}
.thread-title{flex:1;min-width:0}.thread-title h2{font-size:20px;margin:0 0 3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.4}
.thread-title>span{font-size:12px;color:var(--muted)}
.thread-back{display:none}
body.chat-body .message-list{display:flex;flex-direction:column;gap:22px;min-height:0;flex:1;overflow-y:auto;overflow-x:hidden;padding:24px;scroll-behavior:auto;overscroll-behavior:contain;touch-action:pan-y}
.message,.message.own{position:relative;display:flex;align-items:flex-start;gap:12px;width:100%;max-width:none;margin:0;padding:0;border:0;border-radius:0;background:transparent;color:var(--text);flex:none}
.message.own{flex-direction:row-reverse}
.message-content{display:flex;flex-direction:column;align-items:flex-start;gap:7px;min-width:0;max-width:min(76%,640px)}
.message.own .message-content{align-items:flex-end}
.message .message-meta,.message.own .message-meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;padding:0;min-height:17px;color:var(--muted);line-height:1.5}
.message .message-meta strong,.message.own .message-meta strong{font-size:12px;font-weight:500;color:var(--muted)}
.message .message-meta time,.message.own .message-meta time{font-size:10px;color:var(--soft)}
.message.own .message-meta{justify-content:flex-end}
.message .message-body{margin:0;padding:11px 15px;border-radius:3px 15px 15px 15px;background:var(--chat-bubble);color:var(--text);font-size:clamp(15px,1vw,21px);line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%}
.message.own .message-body{border-radius:15px 3px 15px 15px;background:var(--own-bubble);color:#19191b}
.message-avatar{width:42px;height:42px;min-height:42px;border-radius:12px}
.message .message-delete{position:static;align-self:flex-start;min-height:28px;min-width:36px;font-size:11px;line-height:1.6;padding:2px 6px;border:0;background:transparent;color:var(--muted);opacity:0;border-radius:6px;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.message.own .message-delete{align-self:flex-end}.message:hover .message-delete,.message:focus-within .message-delete{opacity:1}
.message-media{max-width:100%;width:min(300px,62vw)}
.image-message{display:block;width:100%;padding:0;overflow:hidden;border:1px solid var(--chat-divider);border-radius:14px;background:var(--surface);cursor:zoom-in}
.image-message img{display:block;width:100%;height:auto;max-height:390px;object-fit:contain}
.message-media video{display:block;width:100%;height:auto;max-height:390px;object-fit:contain;background:#111;border:1px solid var(--chat-divider);border-radius:14px}
.video-expand{padding:7px 2px;border:0;background:none;color:var(--muted);font-size:12px;text-align:left;text-decoration:underline;text-underline-offset:3px}
body.chat-body .chat-composer{display:block;flex:none;min-width:0;max-height:none;padding:14px 20px 10px;border:0;border-top:1px solid var(--chat-divider);border-radius:0;background:var(--surface)}
.composer-input-row{display:flex;align-items:flex-end;gap:10px;min-width:0}
body.chat-body .chat-composer textarea{flex:1;min-width:0;width:auto;height:46px;min-height:46px;max-height:120px;resize:none;font-size:16px;padding:10px 12px;line-height:24px;border:1px solid var(--line);border-radius:13px;background:var(--bg);color:var(--text)}
body.chat-body .chat-composer textarea::placeholder{color:var(--muted)}
.chat-composer .send-button{min-height:44px;min-width:72px;width:auto;padding:10px 16px;margin-bottom:1px;flex:none}
.attachment-toggle{border:1px solid var(--line);width:44px;height:44px;margin-bottom:1px}
.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:6px 0 0;padding-left:54px;color:var(--soft);font-size:11px;line-height:1.6}
.composer-bottom>span{font-size:11px}
body.chat-body .chat-status{flex:none;max-height:70px;overflow:auto;min-height:0;margin:0;padding:5px 20px;font-size:12px;line-height:1.8;background:var(--surface);color:var(--muted)}
body.chat-body .chat-status.error{color:var(--text)}
body.chat-body .chat-status:empty{display:none}
.attachment-tray{display:flex;align-items:center;gap:12px;padding:0 0 14px;flex-wrap:wrap}
.attachment-choice{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;width:70px;height:70px;border:1px solid var(--line);border-radius:16px;background:var(--surface-2);color:var(--text);font-size:12px}
.attachment-tray p{margin:0;font-size:12px;color:var(--muted);line-height:1.9}
.pending-media{display:flex;gap:10px;overflow-x:auto;overscroll-behavior-x:contain;padding:0 2px 14px;max-width:100%;min-width:0}
.pending-tile{position:relative;flex:none;width:82px;height:82px;border:1px solid var(--line);border-radius:13px;background:var(--surface-2)}
.pending-tile img,.pending-tile video{width:100%;height:100%;object-fit:cover;border-radius:12px}
.pending-tile>span{position:absolute;bottom:3px;left:3px;right:3px;border-radius:5px;background:#0009;color:#fff;text-align:center;font-size:10px}
.pending-tile>button{position:absolute;top:-1px;right:-1px;width:28px;height:28px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--text);font-size:19px;line-height:1}
#chat-upload-progress{width:100%;height:6px;accent-color:var(--text)}
.media-viewer{padding:0;margin:0;width:100vw;height:100dvh;max-width:none;max-height:none;border:0;border-radius:0;background:#0c0c0ef5;color:#fff;overflow:hidden}
.media-viewer[open]{display:flex;flex-direction:column}
.viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:none;padding:max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) 12px max(16px,env(safe-area-inset-left));border-bottom:1px solid #ffffff24}
.viewer-toolbar h2{font-size:16px;margin:0}.viewer-toolbar>div{display:flex;align-items:center;gap:8px}.viewer-toolbar button{color:#fff}
.viewer-original{border:1px solid #ffffff55;border-radius:12px;min-height:40px;padding:8px 12px;background:transparent;color:#fff;font-size:13px}.viewer-original:disabled{opacity:.65}
.viewer-stage{flex:1;min-height:0;overflow:auto;display:grid;place-items:center;overscroll-behavior:contain;touch-action:pan-x pan-y pinch-zoom;padding:16px}
.viewer-stage>img,.viewer-stage>video{display:block;max-width:100%;max-height:100%;object-fit:contain;min-height:0}
.viewer-stage img.is-original{cursor:zoom-in}.viewer-stage.zoomed{display:block}.viewer-stage.zoomed>img{max-width:none;max-height:none;width:auto;height:auto;cursor:zoom-out}
.viewer-status{flex:none;margin:0;padding:6px 18px max(12px,env(safe-area-inset-bottom));font-size:12px;color:#ccc;line-height:1.8}
@media(hover:none),(pointer:coarse){.message .message-delete{opacity:1}.desktop-input-hint{display:none}.message-avatar{width:40px;height:40px;min-height:40px}.conversation{min-height:82px}}
@media(min-width:1800px){.thread-title h2{font-size:24px}.thread-title>span{font-size:14px}.conversation-copy strong{font-size:18px}.conversation-copy small{font-size:14px}.message-content{max-width:min(76%,820px)}.message .message-meta strong{font-size:14px}.message .message-meta time{font-size:12px}}
@media(max-width:900px){
  .member-body:not(.chat-body){padding-bottom:calc(var(--dock-height) + max(12px,env(safe-area-inset-bottom)) + 20px)}
  .member-body .menu-button,.member-body .nav-content,.member-body .nav-content.open{display:none!important}
  .mobile-profile-button{display:flex;width:40px;height:40px;min-height:40px;font-size:16px}
  .mobile-dock{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));align-items:center;isolation:isolate;position:fixed;z-index:25;bottom:max(10px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:calc(100% - 24px);max-width:660px;height:var(--dock-height);padding:6px;border:1px solid var(--line);border-radius:25px;background:var(--glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 10px 40px #0002}
  .dock-link{position:relative;z-index:1;min-width:0;display:flex;align-items:center;justify-content:center;gap:5px;flex-direction:column;height:56px;text-decoration:none;color:var(--muted);font-size:11px;line-height:1.1;border-radius:18px;touch-action:manipulation}
  .dock-link svg{display:block;width:24px;height:24px;transition:transform 360ms var(--ease-fluid)}
  .dock-link.active{color:var(--text);background:var(--surface-2)}.dock-ready .dock-link.active{background:transparent}
  .dock-link:active svg{transform:scale(.85)}
  .dock-indicator{position:absolute;left:0;top:0;z-index:0;pointer-events:none;border-radius:18px;background:linear-gradient(135deg,var(--glint),transparent),var(--surface-2);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--glint);visibility:hidden}
  .dock-ready .dock-indicator{visibility:visible}
  body.chat-body{padding-bottom:calc(var(--dock-height) + max(10px,env(safe-area-inset-bottom)) + 12px)}
  body.chat-body .topbar{display:none}
  body.chat-body .page.chat-page{width:100%;max-width:none;padding:0;height:auto;min-height:0}
  body.chat-body .chat-layout{display:flex;flex-direction:column;gap:0;border:0;border-radius:0;min-height:0;height:100%}
  body.chat-body .chat-sidebar{flex:1;width:100%;max-height:none;min-height:0;height:auto;display:flex;flex-direction:column;padding:0;border:0;border-radius:0;overflow:hidden}
  .chat-sidebar-head{display:flex;padding:max(20px,env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) 18px max(20px,env(safe-area-inset-left));border-bottom:1px solid var(--line)}
  .chat-sidebar-head h1{font-size:28px;margin-bottom:4px}.chat-sidebar-head p{display:block;font-size:13px}
  .conversation-section-label{padding-top:16px}.conversation-list{padding:0 10px 12px;gap:2px}.conversation{padding:14px 12px;min-height:82px}
  .conversation-copy strong{font-size:16px}.conversation-copy small{display:block;font-size:13px}
  .conversation .avatar{width:48px;height:48px;border-radius:14px}
  .conversation-copy{max-width:none}
  .chat-inbox .chat-shell{display:none!important}
  body.chat-body.chat-thread{padding-bottom:0}
  body.chat-body.chat-thread .chat-sidebar,body.chat-body.chat-thread .mobile-dock{display:none}
  body.chat-body.chat-thread .chat-shell{flex:1;width:100%;min-height:0;height:100%;display:flex;border:0;border-radius:0}
  .thread-heading{padding:max(10px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) 10px max(8px,env(safe-area-inset-left));gap:8px;min-height:68px}
  .thread-back{display:flex}.thread-title h2{font-size:17px}.thread-title>span{font-size:11px}.thread-own-avatar{width:36px;height:36px;min-height:36px;font-size:15px;border-radius:11px}
  body.chat-body .message-list{padding:18px max(12px,env(safe-area-inset-right)) 18px max(12px,env(safe-area-inset-left));gap:20px}
  .message,.message.own{gap:8px}.message-content{max-width:calc(100% - 56px)}.message .message-body{font-size:16px;line-height:1.7;padding:10px 13px}
  .message-media{width:min(280px,64vw)}
  body.chat-body .chat-composer{padding:10px max(10px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left))}
  .composer-input-row{gap:8px}.chat-composer .send-button{min-width:62px;padding-inline:12px}
  .composer-bottom{padding-left:52px;margin-top:4px}.desktop-input-hint{display:none}
  body.chat-body .chat-composer textarea{font-size:16px;min-height:44px;height:44px;padding:9px 10px}
  .attachment-toggle{width:40px;height:44px;padding:8px}
  body.chat-body .add-friend-details{position:static;flex:none;margin:8px 16px;box-shadow:none;background:var(--surface-2);overflow:visible}
  body.chat-body .add-friend-details[open]{position:fixed;z-index:45;left:16px;right:16px;bottom:max(16px,env(safe-area-inset-bottom));top:auto;width:auto;max-height:calc(var(--chat-viewport-height,100dvh) - 32px);overflow-y:auto;margin:0;padding:10px;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 80px #0006}
  .add-friend-details summary{font-size:15px;min-height:46px}.add-friend-details[open] summary{margin-bottom:10px}.add-friend-form{gap:12px}
  .add-friend-details:not([open])::after{display:none}.chat-account-link{padding-bottom:14px}
  .profile-setting{gap:14px;flex-wrap:wrap}.profile-setting>.button{margin-left:78px}
  .community-dialog{padding:22px}
  .viewer-toolbar h2{font-size:14px}.viewer-original{font-size:12px;padding-inline:9px}
}
@media(max-height:500px){.chat-account-link{display:none}.chat-sidebar-head{padding-block:10px}.chat-sidebar-head p{display:none}.thread-heading{min-height:52px;padding-block:4px}.thread-title>span{display:none}.message-list{padding-block:12px!important}.composer-bottom{display:none}.pending-tile{height:58px;width:58px}.pending-media{padding-bottom:8px}.attachment-choice{height:54px}.avatar-preview-wrap{height:110px}.avatar-preview-wrap .avatar-preview,.avatar-preview-wrap>img{height:100px;width:100px}.avatar-dialog .settings-note{font-size:12px}}
@media(max-height:560px) and (min-width:901px){body.chat-body .add-friend-details[open]{position:fixed;z-index:45;inset:auto 24px 20px auto;width:340px;max-height:calc(100dvh - 40px);overflow:auto;padding:10px;box-shadow:0 12px 50px #0006}}
@keyframes thread-arrive{from{opacity:.78;transform:translateX(6px)}to{opacity:1;transform:translateX(0)}}
@media(max-width:900px) and (prefers-reduced-motion:no-preference){html[data-motion="full"] .chat-thread .thread-heading,html[data-motion="full"] .chat-thread .message-list{animation:thread-arrive 200ms var(--ease-fluid) both}}
html[data-effects="lite"] .mobile-dock{-webkit-backdrop-filter:none;backdrop-filter:none;background:var(--surface)}
html[data-effects="lite"] dialog::backdrop{-webkit-backdrop-filter:none;backdrop-filter:none}
html[data-motion="reduced"] .icon-button:active,html[data-motion="reduced"] .dock-link:active svg,html[data-motion="reduced"] button.avatar:active{transform:none}
@media(prefers-reduced-motion:reduce){.icon-button:active,.dock-link:active svg,button.avatar:active{transform:none}}

.pending-tile>.pending-placeholder{position:static;display:grid;place-items:center;width:100%;height:100%;font-size:25px;background:var(--surface-2);color:var(--text);border-radius:12px}

.video-message{position:relative;display:block;width:100%;border:1px solid var(--chat-divider);padding:0;border-radius:14px;overflow:hidden;background:#111;cursor:pointer;color:white}
.video-message>img{display:block;width:100%;height:auto;max-height:390px;object-fit:contain}
.video-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:48px;height:48px;padding-left:3px;border:1px solid #ffffff99;border-radius:50%;background:#1118;color:#fff;font-size:22px}
.video-duration{position:absolute;right:8px;bottom:7px;padding:1px 6px;border-radius:5px;background:#0009;color:#fff;font-size:12px}

.thread-title h2{margin-bottom:0}
@media(max-height:360px){
  .attachment-tray{max-height:55px;overflow-y:auto;padding-bottom:6px}
  .attachment-tray p{display:none}.attachment-choice{height:44px;width:60px;flex-direction:row;gap:4px}
  .pending-media{max-height:48px;padding-bottom:6px}.pending-tile{height:42px;width:52px}
  body.chat-body .chat-composer textarea{max-height:72px}
  body.chat-body .chat-status{max-height:28px;line-height:18px}
}

/* Solid layered surfaces avoid continuously sampling scrolling content on modest GPUs. */
html[data-effects="lite"][data-motion="full"] .mobile-dock{-webkit-backdrop-filter:none;backdrop-filter:none;background:linear-gradient(135deg,var(--glint),transparent),var(--surface)}
@media(prefers-reduced-transparency:reduce){.mobile-dock,dialog::backdrop{-webkit-backdrop-filter:none!important;backdrop-filter:none!important}.mobile-dock{background:var(--surface)!important}}
@media(max-width:900px){.composer-bottom{display:none}}
/* Leave room for upload and retry feedback when a landscape keyboard leaves little height. */
@media(max-height:360px){
  body.chat-body .message-list{padding-block:6px!important}
  body.chat-body .chat-composer{padding-top:6px;padding-bottom:6px}
  body.chat-body .chat-composer textarea{max-height:44px}
  .pending-media{max-height:40px;padding-bottom:6px}
  .pending-tile{height:32px}
}
/* In a very short WebView, keep attachments beside the input instead of adding another row. */
@media(max-height:240px){
  .thread-heading{min-height:44px;padding-top:0;padding-bottom:0}
  body.chat-body .message-list{padding-block:0!important}
  body.chat-body .chat-composer{position:relative}
  body.chat-body .chat-composer:has(.pending-media:not([hidden])){display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:6px}
  .chat-composer:has(.pending-media:not([hidden])) .pending-media{grid-column:1;grid-row:1;width:44px;height:44px;max-height:44px;padding:0;overflow-y:hidden}
  .chat-composer:has(.pending-media:not([hidden])) .pending-tile{width:44px;height:44px}
  .chat-composer:has(.pending-media:not([hidden])) .composer-input-row{grid-column:2;grid-row:1}
  .chat-composer:has(.pending-media:not([hidden])) .pending-tile>img{display:block}
  .chat-composer:has(.pending-media:not([hidden])) .upload-status,.chat-composer:has(.pending-media:not([hidden])) progress{grid-column:1/-1}
  .chat-composer:has(.pending-media:not([hidden])) .upload-status{grid-row:2}
  .chat-composer:has(.pending-media:not([hidden])) progress{grid-row:3}
  .chat-composer .upload-status{margin:4px 0 0;line-height:18px}
  .chat-composer .attachment-tray{position:absolute;z-index:15;left:8px;bottom:calc(100% + 4px);max-height:60px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 16px #0003}
}

/* Mention/reply controls reuse existing chat surfaces and preserve short-IME input space. */
.message-content{min-width:0}.message-reply{border:0;background:transparent;color:var(--muted);font:inherit;font-size:11px;min-height:28px;padding:3px 5px;cursor:pointer}.message-reply:hover{color:var(--text)}
.message-quote{display:block;max-width:100%;border:0;border-left:3px solid var(--muted);border-radius:6px;background:var(--surface-2);color:var(--muted);text-align:left;padding:7px 10px;margin:5px 0;white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;font-size:12px;cursor:pointer}
.message-body strong{font-weight:750}.mention-me{color:var(--text);font-weight:700;padding:1px 5px;border:1px solid var(--line);border-radius:5px}.quoted-target{outline:2px solid var(--muted);outline-offset:3px}
.reply-preview{display:flex;align-items:center;gap:8px;max-width:100%;margin-bottom:6px;padding:3px 7px;border-left:3px solid var(--muted);border-radius:6px;background:var(--surface-2);color:var(--muted);font-size:12px}.reply-preview>span{min-width:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-preview>button{flex:none;border:0;background:transparent;color:var(--text);font-size:20px;min-width:36px;min-height:32px}.reply-preview[hidden],.reply-inline[hidden]{display:none!important}.reply-inline{display:none}
.mention-picker[open]{display:flex;flex-direction:column;gap:8px;max-height:calc(100dvh - 32px)}.mention-picker label,.mention-picker p{margin:0;font-size:12px;color:var(--muted)}.mention-picker input{min-width:0;width:100%;font:inherit;padding:9px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text)}.mention-results{min-height:0;overflow:auto;max-height:45dvh;display:grid;gap:4px}.mention-results>button{text-align:left;min-height:44px;border:0;border-radius:7px;padding:9px 12px;background:var(--surface-2);color:var(--text);font:inherit;cursor:pointer}
@media(max-height:360px){.reply-preview{margin-bottom:3px;padding-block:0}.reply-preview>button{min-height:26px}.mention-picker[open]{gap:4px;padding:12px}.mention-picker .dialog-heading{margin-bottom:0}.mention-picker input{padding:5px}.mention-results>button{min-height:36px}}
@media(max-height:240px){.reply-preview{display:none}.reply-inline:not([hidden]){display:inline-flex;align-items:center;justify-content:center;flex:none;width:30px;min-height:36px;padding:0;border:0;border-radius:7px;background:var(--surface-2);color:var(--text);font-size:12px}}

.message-actions{display:flex;align-items:center;gap:8px}.message.own .message-actions{align-self:flex-end}.message-actions .message-delete{margin:0}