/* 易启发 · community web
   One container style (the grouped list), one accent, hierarchy carried by type and spacing. */
:root{
  color-scheme:light dark;
  --bg:#f1f1f3;--side:#e8e8ec;--panel:#fff;--raise:#f6f6f8;--hover:#ececf0;
  --line:#e1e1e6;--line-strong:#cfcfd6;
  --text:#1c1c21;--text-2:#5c5d66;--text-3:#8a8b94;
  --accent:#3b5bdb;--accent-ink:#fff;--accent-soft:#e6ebfc;--accent-text:#2f4bc2;
  --ok:#1f8a57;--ok-soft:#e3f3ea;--warn:#a66a00;--warn-soft:#fbf0d9;--danger:#c93a3a;--danger-soft:#fbe7e7;
  --chat:#eeeef1;--bubble:#fff;--bubble-own:#dfe6fb;
  --radius:10px;--radius-sm:7px;
  --shadow-pop:0 12px 32px rgba(20,20,30,.16),0 2px 6px rgba(20,20,30,.08);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#1d1e21;--side:#17181a;--panel:#26272b;--raise:#2d2e33;--hover:#33343a;
  --line:#35363c;--line-strong:#44454c;
  --text:#ececef;--text-2:#a3a4ac;--text-3:#73747c;
  --accent:#7088ff;--accent-ink:#0f1430;--accent-soft:#2b3150;--accent-text:#9cadff;
  --ok:#5ccf93;--ok-soft:#203a2d;--warn:#e8b551;--warn-soft:#3b3020;--danger:#ff7b7b;--danger-soft:#422527;
  --chat:#1d1e21;--bubble:#2b2c31;--bubble-own:#2e3456;
  --shadow-pop:0 16px 40px rgba(0,0,0,.5),0 2px 8px rgba(0,0,0,.35);
}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:14px/1.55 var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:0}
h1{font-size:22px;line-height:1.3}
h2{font-size:15px;line-height:1.4}
h3{font-size:14px;line-height:1.4}
p{margin:0}
a{color:var(--accent-text);text-decoration:none}
a:hover{text-decoration:underline}
code{font:12px/1.5 var(--mono)}
.muted{color:var(--text-2);font-size:13px}
.field-help{color:var(--text-3);font-size:12px;line-height:1.5}
.notice{padding:10px 12px;border-radius:var(--radius-sm);background:var(--raise);color:var(--text-2);font-size:13px}

/* controls */
button,input,textarea,select{font:inherit;color:inherit}
button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:32px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;transition:background-color .12s,border-color .12s}
button:hover{background:var(--hover)}
button:disabled{opacity:.45;cursor:default;background:var(--panel)}
button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
button.primary:hover{filter:brightness(1.07);background:var(--accent)}
button.danger{color:var(--danger)}
button.danger:hover{background:var(--danger-soft);border-color:transparent}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
input,textarea,select{width:100%;min-height:34px;padding:6px 10px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font-size:14px}
input::placeholder,textarea::placeholder{color:var(--text-3)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{resize:vertical;min-height:84px;line-height:1.5}
select[multiple]{padding:4px}
input[type=file]{padding:5px;min-height:0;font-size:13px}
/* checkbox as switch */
input[type=checkbox]{appearance:none;-webkit-appearance:none;flex:none;width:36px;min-height:0;height:22px;padding:0;margin:0;border:0;border-radius:11px;background:var(--line-strong);position:relative;cursor:pointer;transition:background-color .15s}
input[type=checkbox]::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .15s}
input[type=checkbox]:checked{background:var(--accent)}
input[type=checkbox]:checked::after{transform:translateX(14px)}
input[type=checkbox]:focus{box-shadow:0 0 0 3px var(--accent-soft)}

/* status pills */
.pill{display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 8px;border-radius:11px;background:var(--raise);color:var(--text-2);font-size:12px;font-weight:500;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.9}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.danger{background:var(--danger-soft);color:var(--danger)}
.pill.plain::before{display:none}
.tag{display:inline-block;padding:0 6px;border-radius:4px;background:var(--accent-soft);color:var(--accent-text);font-size:11px;font-weight:600;line-height:18px;vertical-align:1px;margin-left:6px}

/* ───────── top-level shell ───────── */
#demo-banner{padding:6px 20px;background:var(--warn-soft);color:var(--warn);font-size:12px}
#status:empty{display:none}
#status{margin:0;padding:9px 20px;background:var(--danger-soft);color:var(--danger);font-size:13px}
.topbar{display:flex;align-items:center;gap:16px;height:52px;padding:0 20px;background:var(--side);border-bottom:1px solid var(--line)}
.topbar nav{display:flex;gap:4px;flex:1}
.brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;white-space:nowrap}
.brand-mark{width:26px;height:26px;border-radius:7px;object-fit:cover}
.topbar nav button,.logout{border-color:transparent;background:transparent;color:var(--text-2);font-weight:500}
.topbar nav button:hover,.logout:hover{background:var(--hover);color:var(--text)}
.topbar nav button.active{background:var(--panel);color:var(--text);box-shadow:0 0 0 1px var(--line)}
.service-icon{display:grid;place-items:center;width:20px;height:20px;flex:none}
.service-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.topbar nav button.active .service-icon{color:var(--accent)}
.service-text{display:flex;flex-direction:column;align-items:flex-start;min-width:0}
.nav-label{overflow:hidden;text-overflow:ellipsis}

/* authenticated: navigation rail */
body.authenticated{height:100vh;overflow:hidden;padding-left:208px;background:var(--bg)}
.authenticated .topbar{position:fixed;inset:0 auto 0 0;width:208px;height:100vh;flex-direction:column;align-items:stretch;gap:18px;padding:18px 10px 14px;border-bottom:0;border-right:1px solid var(--line)}
.authenticated .brand{padding:0 8px}
.authenticated .topbar nav{flex-direction:column;gap:2px}
.authenticated .topbar nav button{justify-content:flex-start;gap:10px;height:36px;padding:0 10px;font-size:14px}
.authenticated .logout{justify-content:flex-start;padding:0 10px;font-size:13px;color:var(--text-3)}
.authenticated main{height:calc(100vh - var(--chrome,0px));overflow:auto}
.authenticated #demo-banner:not([hidden])~main{--chrome:30px}

/* ───────── login ───────── */
.login{max-width:400px;margin:12vh auto 40px;padding:0 20px}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px;font-size:17px;font-weight:600}
.login-brand>span>span{display:block;font-size:12px;font-weight:400;color:var(--text-3)}
.brand-avatar{width:44px;height:44px;border-radius:11px;object-fit:cover}
.login-card{padding:28px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.login-card h1{font-size:22px}
.login-description{margin:6px 0 22px;color:var(--text-2);font-size:13px}
.account-auth-tabs{display:flex;gap:2px;padding:3px;margin-bottom:18px;border-radius:9px;background:var(--raise)}
.account-auth-tabs button{flex:1;min-height:30px;border:0;background:transparent;color:var(--text-2)}
.account-auth-tabs button.active{background:var(--panel);color:var(--text);box-shadow:0 1px 2px rgba(0,0,0,.12)}
#account-auth>.muted{color:var(--text-2)}
.legacy-login{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2)}
.legacy-login summary{cursor:pointer}
.legacy-login button{margin-top:12px;width:100%}
.legacy-login svg{width:16px;height:16px;fill:currentColor}

/* ───────── forms ───────── */
.fields{display:flex;flex-direction:column;gap:14px}
.fields>label,.fields fieldset>label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500;color:var(--text)}
.fields>label.check,.fields fieldset>label.check{flex-direction:row;align-items:center;justify-content:space-between;gap:16px;font-weight:400}
.fields>button.primary,.fields>button[type=submit]{align-self:flex-start;margin-top:4px}
.fields h3{font-size:14px}
fieldset{margin:0;padding:0;border:0;min-width:0}

/* ───────── pages ───────── */
.page{max-width:760px;margin:0 auto;padding:32px 32px 64px}
.page-wide{max-width:920px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.group-title{margin:28px 0 8px;padding:0 2px;font-size:13px;font-weight:600;color:var(--text-2)}
.group{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}
.group>*+*{border-top:1px solid var(--line)}
.row,.data-row{display:flex;align-items:center;gap:16px;min-height:52px;padding:12px 16px}
.row-text,.data-row>div:first-child{flex:1;min-width:0}
.row-text strong,.data-row strong{display:block;font-size:14px;font-weight:500}
.row-text .muted,.data-row .muted{font-size:12px;margin-top:2px}
.group>.muted,.group>.empty-state{padding:18px 16px}
.empty-state{text-align:left}
.empty-state-mark{display:none}
.empty-state strong{display:block;font-size:14px;font-weight:500}
.empty-state p{margin-top:2px;color:var(--text-3);font-size:13px}

/* account */
.account-profile{display:flex;align-items:center;gap:14px}
.profile-avatar,.member-avatar{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:50%;background:var(--accent-soft);color:var(--accent-text);font-size:17px;font-weight:600}
.account-profile>div{flex:1;min-width:0}
.account-profile strong{font-size:16px;font-weight:600}
.account-profile .muted{font-size:13px}
.identity-badge{font-size:12px;color:var(--text-2);padding:2px 8px;border:1px solid var(--line-strong);border-radius:5px}
.plan-card{display:grid;grid-template-columns:1fr auto;align-items:end;gap:6px 24px;margin-top:20px;padding:22px 22px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.plan-label{font-size:13px;color:var(--text-2)}
.plan-card h2{margin-top:4px;font-size:26px;font-weight:600;line-height:1.25}
.plan-card.active h2{color:var(--text)}
.plan-card .meter{margin:14px 0 10px;max-width:420px}
.plan-card #plan-price{font-size:13px}
.plan-card .field-help{grid-column:1/-1;margin-top:10px;padding-top:12px;border-top:1px solid var(--line)}
.plan-action{padding-bottom:2px}
.plan-action button{min-height:36px;padding:0 18px}
.meter{height:6px;border-radius:3px;background:var(--raise);overflow:hidden;box-shadow:inset 0 0 0 1px var(--line)}
.meter span{display:block;height:100%;width:var(--fill,0%);border-radius:3px;background:var(--accent)}
.meter.low span{background:var(--warn)}
#account-access{margin-top:28px;padding:18px 16px}
#account-access>h3{font-size:14px;margin-bottom:4px}
#account-access>.field-help{margin-bottom:12px}
#account-access>p{margin-bottom:12px}
#account-access .account-auth-form{max-width:360px}
#account-access .account-auth-tabs{max-width:360px}

/* news */
.news-item{padding:16px}
.news-item h3{display:flex;align-items:center;gap:8px;font-size:15px}
.news-item p{margin-top:6px;color:var(--text);font-size:14px;white-space:pre-wrap}
.news-item time{display:block;margin-top:8px;color:var(--text-3);font-size:12px}
.release-row a{flex:none;display:inline-flex;align-items:center;min-height:32px;padding:0 14px;border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-ink);font-size:13px;font-weight:500}
.release-row a:hover{text-decoration:none;filter:brightness(1.07)}

/* ───────── admin ───────── */
.admin-nav{display:flex;gap:2px;margin:0 -4px 24px;padding:0 4px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.admin-nav::-webkit-scrollbar{display:none}
.admin-nav button{position:relative;flex:none;min-height:38px;padding:0 10px;border:0;border-radius:0;background:transparent;color:var(--text-2)}
.admin-nav button:hover{background:transparent;color:var(--text)}
.admin-nav button.active{color:var(--text)}
.admin-nav button.active::after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:2px;border-radius:1px;background:var(--accent)}
.admin-section-heading{margin-bottom:18px}
.admin-section-heading h2{font-size:18px}
.admin-section-heading p{margin-top:4px}
#admin-content>.fields,#admin-content .admin-card{margin-bottom:18px}
/* settings form rendered as grouped list */
.settings-form{gap:0}
.settings-form legend{float:left;width:100%;margin:0 0 8px;padding:0 2px;font-size:13px;font-weight:600;color:var(--text-2)}
.settings-form fieldset{display:block;margin-bottom:22px}
.settings-form .set{clear:both;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.settings-form .set>label{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:16px;min-height:50px;padding:10px 16px;font-size:14px;font-weight:400}
.settings-form .set>label+label{border-top:1px solid var(--line)}
.settings-form .set>label>input:not([type=checkbox]),.settings-form .set>label>select:not([multiple]){width:220px;flex:none}
.settings-form .set>label>input[type=number]{width:96px;text-align:right}
.settings-form .set>label.stack{flex-direction:column;align-items:stretch;gap:8px}
.settings-form .set>label.stack>*{width:100%!important}
.settings-form>button.primary{align-self:flex-start;margin-top:0}
.admin-card{padding:18px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.admin-card>h3{font-size:15px}
.admin-card>p.muted{margin:4px 0 14px}
.admin-card .fields{max-width:520px}
.service-health{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}
.health-card{display:flex;flex-direction:column;gap:4px;padding:14px 16px}
.health-card+.health-card{border-left:1px solid var(--line)}
.health-card small{font-size:12px;color:var(--text-2)}
.health-card strong{font-size:14px;font-weight:600}
.health-card .pill{align-self:flex-start;margin-top:4px}
.ai-advanced summary{cursor:pointer;font-size:13px;color:var(--text-2)}
.ai-advanced[open] summary{margin-bottom:12px}
.ai-advanced label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500}
.ai-advanced .field-help{margin-top:6px}
.admin-list{margin-top:6px}
.admin-list-title{margin:26px 0 8px;font-size:13px;font-weight:600;color:var(--text-2)}
.order-address,.mono{display:block;margin-top:6px;font:12px/1.5 var(--mono);color:var(--text-2);word-break:break-all}
.order-card .fields{flex:1 1 100%;flex-direction:row;align-items:flex-end;gap:10px}
.order-card{flex-wrap:wrap}
.audit-row{display:grid;grid-template-columns:1fr auto;gap:2px 16px;padding:12px 16px}
.audit-row strong{font-size:14px;font-weight:500}
.audit-row time{grid-column:2;grid-row:1;color:var(--text-3);font-size:12px}
.audit-row .who{grid-column:1/-1;color:var(--text-2);font-size:12px}
.audit-row dl{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr;gap:2px 12px;margin:6px 0 0;font-size:12px}
.audit-row dt{color:var(--text-3)}
.audit-row dd{margin:0;color:var(--text);word-break:break-all}
.filter-bar{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:12px;margin-bottom:12px}
.filter-bar label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:500;color:var(--text-2)}
.bulk-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 8px}
.message-pick{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:10px 16px;cursor:pointer}
.message-pick input[type=checkbox]{appearance:auto;-webkit-appearance:checkbox;width:16px;height:16px;background:none}
.message-pick input[type=checkbox]::after{display:none}
.message-pick span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.load-more{margin-top:12px}
.actions{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.gift-form{margin-top:14px;padding:14px;border-radius:var(--radius-sm);background:var(--raise)}
.member-toolbar,.group-members-toolbar{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.member-toolbar input,.group-members-toolbar input{flex:1}
.member-toolbar .muted,.group-members-toolbar .muted{flex:none}
.member-grid{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}
.member-grid>.muted{padding:18px 16px}
.member-card{display:flex;align-items:center;justify-content:flex-start;gap:12px;width:100%;min-height:60px;padding:10px 16px;border:0;border-radius:0;background:transparent;text-align:left;font-weight:400}
.member-card+.member-card{border-top:1px solid var(--line)}
.member-card .member-avatar{width:36px;height:36px;font-size:14px}
.member-card-info{display:flex;flex-direction:column;flex:1;min-width:0}
.member-card-info strong{font-size:14px;font-weight:500}
.member-card-info .muted,.member-card-info small{font-size:12px;color:var(--text-2)}
.member-arrow{color:var(--text-3);font-size:18px}
.member-pagination{display:flex;gap:8px;margin-top:12px}
.registration-code{display:block;margin:6px 0 10px;font:600 34px/1.2 var(--mono);letter-spacing:.12em}

/* ───────── room ───────── */
.authenticated main:has(#room:not([hidden])){overflow:hidden}
.room-layout{display:grid;grid-template-columns:minmax(0,1fr);height:100%;min-height:420px;background:var(--chat)}
.room-layout.show-info{grid-template-columns:minmax(0,1fr) 260px}
.room-layout aside{display:none}
.room-layout.show-info aside{display:block}
.conversation{display:flex;flex-direction:column;min-width:0;min-height:0;height:100%}
.room-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:10px 20px;background:var(--panel);border-bottom:1px solid var(--line)}
.group-heading-identity{display:flex;align-items:center;gap:12px;min-width:0}
.group-avatar{display:grid;place-items:center;width:36px;height:36px;flex:none;border-radius:50%;background:var(--accent);color:var(--accent-ink)}
.group-avatar svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.room-heading h1{font-size:15px;line-height:1.3}
.room-heading p{font-size:12px;color:var(--text-2)}
.group-tools{display:flex;align-items:center;gap:2px}
.group-tools>button,.group-more>summary{min-height:30px;padding:0 10px;border:0;background:transparent;color:var(--text-2);font-weight:500}
.group-tools>button:hover,.group-more>summary:hover,.group-more[open]>summary{background:var(--hover);color:var(--text)}
#connection{margin-right:8px;font-size:12px;color:var(--text-3)}
#connection::before{content:"";display:inline-block;width:6px;height:6px;margin-right:6px;border-radius:50%;background:var(--warn);vertical-align:1px}
#connection.ok::before{background:var(--ok)}
.group-more{position:relative}
.group-more>summary{display:grid;place-items:center;list-style:none;cursor:pointer;width:32px;padding:0;border-radius:var(--radius-sm);font-size:16px;letter-spacing:1px}
.group-more>summary::-webkit-details-marker{display:none}
.group-more>div{position:absolute;right:0;top:36px;z-index:20;display:flex;flex-direction:column;min-width:160px;padding:4px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow-pop)}
.group-more>div button{justify-content:flex-start;border:0;background:transparent;font-weight:400}
.group-more>div button:hover{background:var(--hover)}
#pinned-messages{background:var(--panel);border-bottom:1px solid var(--line)}
.pinned-row{display:flex;align-items:center;gap:8px;padding:6px 20px}
.pinned-row button:first-child{flex:1;justify-content:flex-start;min-width:0;overflow:hidden;text-overflow:ellipsis;border:0;border-left:2px solid var(--accent);border-radius:0;background:transparent;font-weight:400;color:var(--text)}
.pinned-row button+button{border:0;background:transparent;color:var(--text-3);font-size:12px}
.history-button{align-self:center;margin:10px 0 0;min-height:26px;padding:0 10px;border:0;border-radius:13px;background:var(--panel);color:var(--text-2);font-size:12px;box-shadow:0 0 0 1px var(--line)}
#messages{flex:1;min-height:0;overflow:auto;padding:6px 20px 16px;background-size:cover;background-position:center}
#messages[data-background=blue]{background-color:#e7edf6}
#messages[data-background=sage]{background-color:#e8eee8}
#messages[data-background=sand]{background-color:#f1ece4}
#messages[data-background=dark]{background-color:#202227}
@media (prefers-color-scheme:dark){
  #messages[data-background=blue]{background-color:#1c222c}
  #messages[data-background=sage]{background-color:#1c231f}
  #messages[data-background=sand]{background-color:#25221d}
}
#messages>.muted{margin-top:40px;text-align:center}
.message-day{display:flex;justify-content:center;margin:18px 0 6px}
.message-day span{padding:2px 10px;border-radius:10px;background:var(--panel);color:var(--text-2);font-size:12px;box-shadow:0 0 0 1px var(--line)}
.message{display:flex;align-items:flex-end;gap:8px;margin:6px 0}
.message+.message{margin-top:8px}
.avatar{display:grid;place-items:center;flex:none;width:30px;height:30px;overflow:hidden;border-radius:50%;background:var(--accent-soft);color:var(--accent-text);font-size:13px;font-weight:600}
.avatar img{width:100%;height:100%;object-fit:cover}
.message-main{position:relative;min-width:0;max-width:min(560px,78%);padding:7px 12px 6px;border-radius:14px 14px 14px 4px;background:var(--bubble);box-shadow:0 0 0 1px var(--line)}
.message.own{flex-direction:row-reverse}
.message.own .avatar{display:none}
.message.own .message-main{border-radius:14px 14px 4px 14px;background:var(--bubble-own);box-shadow:none}
.message.own .message-meta{display:none}
.message-meta{display:flex;align-items:baseline;gap:8px;margin-bottom:2px;font-size:12px}
.message-meta strong{font-size:13px;font-weight:600;color:var(--accent-text)}
.message-meta a{font-size:11px;color:var(--text-3)}
.role-label{font-size:11px;color:var(--text-3)}
.message-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.5}
.message-body img{display:block;max-width:min(320px,100%);max-height:280px;margin:4px 0 2px;border-radius:8px}
.message-time{float:right;margin:4px 0 -2px 12px;color:var(--text-3);font-size:11px;line-height:16px}
.message.removed .message-main{background:transparent;box-shadow:0 0 0 1px dashed var(--line)}
.message.removed .message-body{color:var(--text-3);font-size:13px;font-style:italic}
.reply-quote{display:block;width:100%;min-height:0;margin:2px 0 6px;padding:3px 8px;border:0;border-left:2px solid var(--accent);border-radius:3px;background:var(--accent-soft);color:var(--text-2);font-size:12px;font-weight:400;text-align:left;white-space:normal}
.mentioned .message-main{box-shadow:0 0 0 1px var(--warn),inset 3px 0 0 var(--warn)}
.highlight .message-main{box-shadow:0 0 0 2px var(--accent)}
.message-menu{position:absolute;top:4px;right:-34px;z-index:5}
.message.own .message-menu{right:auto;left:-34px}
.message-menu>summary{display:grid;place-items:center;width:26px;height:26px;list-style:none;border-radius:50%;background:var(--panel);color:var(--text-3);font-size:12px;cursor:pointer;opacity:0;box-shadow:0 0 0 1px var(--line);transition:opacity .1s}
.message-menu>summary::-webkit-details-marker{display:none}
.message:hover .message-menu>summary,.message-menu[open]>summary,.message-menu>summary:focus-visible{opacity:1}
.message-actions{position:absolute;top:30px;right:0;display:flex;flex-direction:column;min-width:120px;padding:4px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow-pop)}
.message.own .message-actions{right:auto;left:0}
.message-actions button{justify-content:flex-start;min-height:30px;border:0;background:transparent;font-weight:400}
.message-actions button:hover{background:var(--hover)}
#composer{padding:10px 20px 12px;background:var(--panel);border-top:1px solid var(--line)}
#reply-preview{display:flex;align-items:center;gap:8px;margin-bottom:8px;padding:6px 10px;border-left:2px solid var(--accent);border-radius:3px;background:var(--accent-soft);font-size:12px;color:var(--text-2)}
#reply-preview span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#reply-preview button{min-height:24px;padding:0 8px;border:0;background:transparent;font-size:12px}
#mention-suggestions{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px;padding:4px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow-pop)}
#mention-suggestions button{border:0;background:transparent;font-weight:400}
#mention-suggestions button:hover,#mention-suggestions button:focus{background:var(--hover)}
.compose-shell{display:flex;align-items:flex-end;gap:6px;padding:5px;border:1px solid var(--line-strong);border-radius:12px;background:var(--raise)}
.compose-shell:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.compose-shell button{width:34px;min-height:34px;padding:0;border:0;border-radius:9px;background:transparent;color:var(--text-2)}
.compose-shell button:hover{background:var(--hover)}
.compose-shell svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.compose-shell button.primary{background:var(--accent);color:var(--accent-ink)}
.compose-shell button.primary:disabled{background:var(--line-strong);color:var(--text-3);opacity:1}
#message-text{flex:1;min-height:34px;max-height:140px;padding:7px 4px;border:0;background:transparent;resize:none;line-height:1.45;box-shadow:none}
#message-text:focus{box-shadow:none}
.compose-note{margin-top:6px;font-size:11px;color:var(--text-3);text-align:right}
.room-layout aside{min-height:0;overflow:auto;padding:20px 18px;background:var(--panel);border-left:1px solid var(--line)}
.room-layout aside h2{font-size:13px;color:var(--text-2);margin-bottom:6px}
.room-layout aside p{font-size:13px;color:var(--text-2);margin-top:6px}
#group-description{color:var(--text)!important}
.side-section{margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}
#identity{color:var(--text)!important;font-weight:500}
#side-news strong{display:block;font-size:13px;color:var(--text)}

/* ───────── dialogs ───────── */
dialog{width:min(440px,calc(100vw - 32px));max-height:min(80vh,720px);padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--text);box-shadow:var(--shadow-pop);overflow:auto}
dialog::backdrop{background:rgba(10,10,15,.45)}
dialog h2{font-size:17px;margin-bottom:10px}
#confirm-text{color:var(--text-2);font-size:14px}
.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:22px}
#group-dialog{display:none;flex-direction:column}
#group-dialog[open]{display:flex}
#group-dialog-content{flex:1;min-height:0;display:flex;flex-direction:column;gap:12px}
#close-group-dialog{align-self:flex-end;margin-top:18px}
.group-members-dialog,.member-detail-dialog{width:min(560px,calc(100vw - 32px))}
.payment-dialog{width:min(560px,calc(100vw - 32px))}
.group-members-list{display:flex;flex-direction:column;max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:var(--radius)}
.group-member-row{display:flex;align-items:center;gap:12px;padding:10px 14px}
.group-member-row+.group-member-row{border-top:1px solid var(--line)}
.group-member-row .member-avatar{width:34px;height:34px;font-size:14px}
.group-member-info{flex:1;min-width:0;display:flex;flex-direction:column}
.group-member-info strong{font-weight:500}
.group-member-info small{font-size:12px}
.group-role{font-size:12px;color:var(--text-3)}
.member-profile{display:flex;align-items:center;gap:12px}
.member-profile strong{font-size:16px}
.member-detail-dialog .data-row{flex-direction:column;align-items:stretch;padding:0;min-height:0}
.member-detail-dialog .data-row .actions{justify-content:flex-start}
.member-devices h3{margin:6px 0 8px;font-size:13px;color:var(--text-2)}
.device-card{display:flex;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--line)}
.device-card>div{flex:1;min-width:0}
.device-card strong{font-weight:500}
.payment-test{padding:8px 12px;border-radius:var(--radius-sm);background:var(--warn-soft);color:var(--warn);font-size:13px}
.payment-status{font-size:14px;font-weight:600}
.payment-layout{display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:start}
.payment-header{display:flex;flex-direction:column;align-items:center;gap:8px}
.payment-header img{width:180px;height:180px;border-radius:10px;background:#fff;padding:8px;border:1px solid var(--line);image-rendering:pixelated}
.payment-fields{display:flex;flex-direction:column;gap:4px;min-width:0}
.payment-amount{font-size:28px;font-weight:600;line-height:1.2}
.payment-address-label{margin-top:10px;font-size:12px;color:var(--text-2)}
.payment-address{padding:8px 10px;border-radius:var(--radius-sm);background:var(--raise);word-break:break-all}
.payment-copy{display:flex;gap:8px;margin-top:8px}
.payment-detail{margin-top:12px;padding-top:10px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3)}
.payment-actions{display:flex;gap:8px}

/* ───────── responsive ───────── */
@media (max-width:900px){
  body.authenticated{padding-left:60px}
  .authenticated .topbar{width:60px;padding:14px 8px;align-items:center}
  .authenticated .brand{padding:0}
  .authenticated .brand{font-size:0;gap:0}
  .authenticated .topbar nav button{width:40px;height:40px;padding:0;justify-content:center}
  .authenticated .service-text{display:none}
  .authenticated .logout{width:40px;padding:0;font-size:0;justify-content:center}
  .authenticated .logout::before{content:"⏻";font-size:16px}
  .room-layout.show-info{grid-template-columns:minmax(0,1fr)}
  .room-layout.show-info aside{position:fixed;right:0;top:0;bottom:0;width:280px;z-index:30;box-shadow:var(--shadow-pop)}
  #connection{display:none}
}
@media (max-width:640px){
  .page{padding:20px 16px 48px}
  .plan-card{grid-template-columns:1fr}
  .plan-action{padding:8px 0 0}
  .service-health{grid-template-columns:1fr}
  .health-card+.health-card{border-left:0;border-top:1px solid var(--line)}
  .filter-bar{grid-template-columns:1fr}
  .settings-form .set>label>input:not([type=checkbox]),.settings-form .set>label>select:not([multiple]){width:150px}
  .payment-layout{grid-template-columns:1fr}
  .message-main{max-width:86%}
  .group-tools>button{padding:0 6px}
  #messages{padding:6px 12px 12px}
  #composer{padding:8px 12px}
}
@media (pointer:coarse){.message-menu>summary{opacity:1}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.order-card .fields>label{flex:0 1 320px}
.order-card .fields>button.primary{align-self:flex-end;margin:0}
#account-access>*+*{border-top:0}
#account-access>div>.muted{margin-top:4px}
.account-auth-tabs:empty{display:none}
body:not(.authenticated) .topbar{display:none}
#account-access>.muted{padding:0}

.nav-badge{margin-left:auto;background:#de4e58;color:white;border-radius:12px;min-width:20px;padding:2px 6px;font-size:11px;text-align:center}.installer-drop{border:1px dashed var(--border,#7b8985);border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:14px;align-items:center;cursor:pointer}.installer-drop.dragging{background:#2f8b7133;border-color:#3aa583}.installer-drop input{max-width:100%}.installer-drop progress{width:100%}.registration-avatar{display:flex;align-items:center;gap:16px}.registration-avatar img{width:64px;height:64px;border-radius:50%;object-fit:cover}

.registration-result{margin:0;min-height:20px;overflow-wrap:anywhere}.registration-result.error{color:#ce414b}.registration-result button{margin-left:6px}

/* Shared desktop/web layout: keep the HTML and stylesheet released together. */
:root{--bg:#f3f5f6;--side:#fafbfc;--panel:#fff;--accent:#25866d;--accent-soft:#e6f3ed;--accent-text:#21735f;--line:#e0e6e5;--text:#1d2b29;--text-2:#6b7774;--radius:14px}
@media(prefers-color-scheme:dark){:root{--bg:#131a1d;--side:#101719;--panel:#1c2529;--raise:#253035;--hover:#29363a;--line:#303d41;--line-strong:#435257;--text:#e7efec;--text-2:#a1b1ac;--text-3:#7e928a;--accent:#69b89d;--accent-soft:#203c33;--accent-text:#9bd7bf;--accent-ink:#102a20}}
body.authenticated{padding-left:230px}.authenticated .topbar{width:230px;padding:28px 14px 20px;gap:28px}.authenticated .brand{gap:10px;padding:0 10px;font-size:17px}.brand-mark{width:32px;height:32px;border-radius:10px}.authenticated .topbar nav{gap:9px}.authenticated .topbar nav button{position:relative;height:auto;min-height:72px;padding:13px 12px;border:1px solid transparent;border-radius:12px;gap:13px;white-space:normal;text-align:left}.authenticated .topbar nav button.active{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 24%,transparent);color:var(--accent-text);box-shadow:none}.service-icon{width:32px;height:32px;background:var(--raise);border-radius:9px}.service-icon svg{width:20px;height:20px}.nav-label{font-size:14px;line-height:22px;font-weight:600}.nav-description{font-size:11px;color:var(--text-2);line-height:19px;white-space:nowrap}.authenticated .logout{padding:12px;min-height:42px;border-top:1px solid var(--line);border-radius:0}.page{max-width:1000px;padding:38px 40px 56px}.page-head{margin-bottom:28px}.page-head h1{font-size:26px;letter-spacing:-.5px}.eyebrow{font-size:11px;letter-spacing:1px;color:var(--text-3);margin-bottom:5px}.page-intro{font-size:13px;color:var(--text-2);margin-top:6px}.account-profile{background:var(--panel);border:1px solid var(--line);padding:20px 22px;border-radius:14px;margin-bottom:20px}.profile-avatar{width:48px;height:48px}.profile-avatar img,.member-avatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit}.plan-card{margin-top:0;padding:26px;border-radius:16px;background:var(--panel)}.plan-card h2{font-size:25px;margin:9px 0}.plan-card.active{border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.group-title{margin:30px 2px 12px;font-size:13px;color:var(--text-2)}.group{border-radius:14px}.row,.data-row{padding:18px 20px;min-height:76px}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;justify-content:center;min-height:170px;gap:7px;padding:28px!important}.empty-state-mark{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;font-size:22px;color:var(--text-3);margin-bottom:5px}.empty-state p{max-width:400px;line-height:1.65}.news-item{padding:23px 24px}.news-item p{line-height:1.8;margin-top:11px}.news-item time{margin-top:15px}.admin-card{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.admin-card h3{margin-bottom:6px}.installer-drop{padding:30px;background:var(--raise);border-color:var(--line-strong);text-align:center}.installer-drop input{font-size:12px;max-width:300px}.admin-nav{gap:8px}.admin-nav button{padding:0 6px}.nav-badge{position:absolute;right:8px;top:6px;font-size:10px;min-width:17px;padding:1px 5px}.login-card .primary{min-height:38px}.login-card .fields{gap:17px}
@media(max-width:850px){body.authenticated{padding-left:190px}.authenticated .topbar{width:190px;padding:22px 10px}.nav-description{font-size:10px}.authenticated .topbar nav button{padding:12px 8px;gap:9px}.page{padding:28px 24px}.page-head h1{font-size:23px}}
@media(max-width:620px){body.authenticated{padding-left:64px}.authenticated .topbar{width:64px;padding:16px 6px}.authenticated .brand{padding:0;justify-content:center;font-size:0}.authenticated .topbar nav button{justify-content:center;padding:8px;min-height:56px}.service-text,.authenticated .logout{font-size:0}.service-text{display:none}.page{padding:24px 16px}.plan-card{grid-template-columns:1fr;gap:18px}.page-head h1{font-size:22px}}
/* Image messages hug their thumbnail; preview retains full source dimensions. */
.message.has-image .message-main{width:fit-content;max-width:min(360px,78%);padding:5px;border-radius:14px;background:var(--bubble);box-sizing:border-box}
.message.has-image.own .message-main{background:var(--bubble-own)}
.message.has-image .message-meta{padding:3px 7px}
.message-body .chat-image-button{display:block;width:320px;max-width:100%;min-height:0;padding:0;margin:0;border:0;border-radius:10px;overflow:hidden;background:transparent;cursor:zoom-in}
.message-body .chat-image-button img{display:block;width:100%;height:auto;max-width:100%;max-height:320px;object-fit:contain;margin:0;border-radius:0}
.message.has-image .message-time{float:none;display:block;text-align:right;margin:4px 6px 1px;font-size:10px}
.message-actions{padding:6px;min-width:144px;border-radius:12px;box-shadow:0 8px 28px #152a3826;gap:2px}
.message-actions button{padding:7px 12px;border-radius:7px;font-size:13px}
.image-viewer{width:calc(100vw - 40px);height:calc(100vh - 40px);max-width:1500px;max-height:none;padding:0;border:1px solid #ffffff26;border-radius:16px;background:#121a20;color:#f4f7f8;box-shadow:0 24px 90px #0008;overflow:hidden}
.image-viewer::backdrop{background:#081016cf;backdrop-filter:blur(6px)}
.image-viewer[open]{display:flex;flex-direction:column}
.image-viewer-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border-bottom:1px solid #ffffff1c;background:#1b252c;flex:none}
.image-viewer-bar strong,.image-viewer-bar small{display:block}.image-viewer-bar small{color:#a4b1b8;font-size:11px;margin-top:3px}
.image-viewer-tools{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.image-viewer-tools button{padding:6px 10px;min-height:30px;background:#ffffff0d;border:1px solid #ffffff1c;color:#f4f7f8;border-radius:7px;font-size:12px}.image-viewer-tools button:hover{background:#ffffff20}.image-viewer-tools span{min-width:58px;text-align:center;color:#b3c3cc;font-size:11px}
.image-viewer-stage{flex:1;min-height:0;overflow:auto;display:grid;place-items:center;padding:18px;box-sizing:border-box}
.image-viewer-stage img{display:block;max-width:100%;max-height:100%;object-fit:contain;cursor:zoom-in;border-radius:2px}.image-viewer-stage img.zoomed{max-width:none;max-height:none;cursor:zoom-out;justify-self:start;align-self:start}
@media(max-width:700px){.image-viewer{width:100vw;height:100vh;border-radius:0}.image-viewer-bar{align-items:flex-start;flex-direction:column;gap:9px;padding:10px 12px}.image-viewer-tools{gap:4px}.image-viewer-stage{padding:8px}}