/* 8897 visual contract. Rail 192, header 64, working canvas 32, compact 14px text.
   Component and density decisions: docs/UI-DESIGN.md. */
:root{--brand:#4058b5;--brand-dark:#344b9f;--ink:#242831;--muted:#626a78;--soft:#f8f9fb;--line:#e8eaf0;--paper:#fff;--ui-radius:8px;font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;font-size:14px;line-height:1.55}
body{background:#fff;color:var(--ink)}.shell{grid-template-columns:192px minmax(0,1fr)}#sidebar{width:192px;padding:28px 12px 16px;background:#f5f6f8;border-right:1px solid var(--line);color:var(--ink)}.brand{gap:10px;margin:0 8px 28px;padding:0;color:var(--ink)}.brand img{width:32px;height:32px;object-fit:contain}.brand strong{font-size:18px}.brand small{font-size:10px;font-weight:400;color:var(--muted)}#primary-navigation{gap:5px}#primary-navigation button{min-height:44px;border:0;border-radius:8px;padding:10px 12px;background:transparent;color:var(--muted);font-size:14px;gap:10px}#primary-navigation button svg{width:19px;height:19px}#primary-navigation button.active{background:#e8ecf8;color:var(--brand);font-weight:600}#primary-navigation button:hover{background:#e9ecf2}#oa-navigation{margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}#oa-navigation button{color:var(--muted);font-size:13px;min-height:38px;border:0;padding:8px 12px;border-radius:6px}#oa-navigation button.active{color:var(--brand);background:#e8ecf8}.shell-nav-label{font-size:11px;color:#808897;margin:0 12px 8px}.shell-nav-section summary{font-size:12px;color:var(--muted)}.aside-foot{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}.aside-foot small{font-size:10px}#workspace-switch{margin-top:16px}#workspace-switch button{font-size:12px;color:var(--muted)}.workspace-header{height:64px;min-height:64px;padding:0 32px;border-bottom:1px solid var(--line);background:white;gap:16px}.company-name{font-size:13px;font-weight:500;min-width:0}.company-name #workspace-name{font-size:11px;color:var(--muted)}.identity strong{font-size:12px}.identity small{font-size:10px}#page-name{font-size:12px}#content{padding:32px;max-width:1504px;width:100%;margin:0 auto;min-width:0}h1,.section-heading h1,.shell-intro h1{font-size:25px;line-height:1.3;letter-spacing:-.4px;font-weight:650}h2{font-size:18px;line-height:1.4}h3{font-size:15px;line-height:1.5}p{line-height:1.7}.eyebrow{font-size:11px;letter-spacing:.8px}button,.secondary{min-height:40px;padding:8px 16px;border-radius:6px;font-size:14px;line-height:1.5;max-width:100%;white-space:normal;overflow-wrap:anywhere}button:not(.secondary):not(.text-button){box-shadow:none}.secondary{border:1px solid #dce0e8;background:white;color:var(--ink)}button:hover{filter:none}.text-button{background:transparent;color:var(--brand);padding:6px 4px}.panel{border:1px solid var(--line);border-radius:8px;padding:24px;background:white;margin:20px 0;min-width:0}.panel h2{margin-top:0}input,select,textarea{border:1px solid #dce0e8;border-radius:6px;background:#f8f9fb;padding:10px 12px;font:inherit;min-width:0;max-width:100%;width:100%;color:var(--ink)}input[type=checkbox],input[type=radio]{width:auto}label{display:block;line-height:1.5;margin:0 0 16px;font-size:13px;color:var(--ink)}label input,label select,label textarea{display:block;margin-top:6px}label.check{display:flex;align-items:flex-start;gap:8px}.check input{margin-top:4px;flex-shrink:0}fieldset{min-width:0}legend{white-space:normal;max-width:100%;line-height:1.6}.oa-grid{gap:20px}.oa-grid>*,.ui-form-section>*{min-width:0}.ui-field{margin-bottom:20px}.form-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:20px}.form-actions [role=status]{flex-basis:100%;color:#a13e38}.form-actions button{flex:none}.ui-records th,.ui-records td{padding:14px 16px}.ui-records th{font-size:12px}.ui-records td{font-size:14px}.badge{font-size:11px;line-height:1.5;border-radius:4px;padding:3px 7px;background:#f0f2f6;color:var(--muted)}details>summary{min-height:40px;padding:10px 0;line-height:1.5;cursor:pointer}.permission-summary{font-size:12px;margin-top:28px}.permission-summary p{margin:8px 0}.ui-detail-main form{background:#f8f9fb}.detail-bar{min-height:60px;padding:12px 24px;border-bottom:1px solid var(--line);background:white;display:flex;align-items:center;justify-content:space-between;gap:16px}#detail{padding:0;border:1px solid var(--line);border-radius:12px;max-height:92dvh}.ui-business-detail #detail-content,#detail-content{padding:24px;min-width:0}#detail .detail-bar button{min-width:64px}.ui-detail-heading h2{font-size:23px!important}.raw,.platform-prose{white-space:pre-wrap;overflow-wrap:anywhere}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.platform-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}.platform-heading h1{margin:0}.platform-filter{display:flex;align-items:flex-end;gap:16px;margin-bottom:24px}.platform-filter label{margin:0;min-width:0;max-width:380px;flex:1}.platform-filter label:not(:first-child){max-width:200px}.platform-tabs{display:flex;align-items:center;gap:24px;border-bottom:1px solid var(--line);margin-bottom:28px;overflow-x:auto}.platform-tabs button{background:transparent!important;color:var(--muted);padding:8px 1px 13px;white-space:nowrap;border:0;border-bottom:2px solid transparent;border-radius:0;min-height:44px;font-size:14px}.platform-tabs button.active{color:var(--brand);font-weight:600;border-color:var(--brand)}.platform-app-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 18px}.platform-app{display:flex;align-items:center;gap:12px;min-height:76px!important;padding:16px!important;background:white!important;color:var(--ink)!important;text-align:left;border:1px solid var(--line)!important;border-radius:8px!important}.platform-app:hover{border-color:#bcc6e5!important;background:#fafbfe!important}.platform-app strong{font-size:14px;font-weight:550;line-height:1.5}.platform-app-icon{width:38px;height:38px;border-radius:9px;background:#edf0fb;color:var(--brand);display:grid;place-items:center;flex-shrink:0}.platform-app svg{width:20px;height:20px}.platform-app-arrow{margin-left:auto;color:#a1a7b4}.platform-empty{text-align:center;max-width:620px;margin:0 auto;padding:72px 16px;color:var(--muted)}.platform-empty h2{color:var(--ink);margin:16px 0 8px}.platform-empty p{margin:0 0 20px}.platform-empty-mark{font-size:36px;color:#aab5d7}.platform-connection{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;background:#f8f9fb;border:1px solid var(--line);border-radius:8px;margin-bottom:28px}.platform-connection span{display:flex;align-items:center;gap:8px}.platform-connection i{width:7px;height:7px;background:#b0b6c2;border-radius:50%}.platform-caption{font-size:12px;color:var(--muted);margin-top:16px}.platform-prepare{border-top:1px solid var(--line);padding-top:12px;color:var(--muted);max-width:760px;margin:0 auto}.platform-table{width:100%;overflow:auto;border:1px solid var(--line);border-radius:8px;background:white}.platform-table table{width:100%;border-collapse:collapse;text-align:left;table-layout:fixed}.platform-table th,.platform-table td{padding:14px 16px;border-bottom:1px solid var(--line);overflow-wrap:anywhere;vertical-align:middle}.platform-table tr:last-child td{border:0}.platform-table th{background:#f8f9fb;font-size:12px;font-weight:500;color:var(--muted)}.platform-table th:first-child{width:34%}.platform-table th:last-child{width:128px}.platform-table small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.record-link{color:var(--brand)!important;background:transparent!important;border:0;padding:0;min-height:28px;text-align:left;font-weight:500}.platform-detail{width:min(1100px,94vw)}.platform-record-heading{border-bottom:1px solid var(--line);margin-bottom:24px;padding-bottom:20px}.platform-record-heading h2{font-size:24px;margin:12px 0 8px}.platform-record-heading p{color:var(--muted);font-size:12px}.platform-detail-grid{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(220px,1fr);gap:28px}.platform-detail-grid>*{min-width:0}.platform-detail-grid>aside{border-left:1px solid var(--line);padding-left:24px}.platform-detail-grid h3{margin:0 0 16px}.platform-detail-grid section>section{margin-top:28px}.platform-detail-grid form{background:#f8f9fb;border:1px solid var(--line);border-radius:8px;padding:20px;margin-top:20px}.platform-event{padding:14px 0;border-bottom:1px solid var(--line)}.platform-event p{margin:8px 0}.platform-event small{color:var(--muted);font-size:11px}.platform-milestone{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.platform-milestone small{display:block;color:var(--muted);font-size:12px}.platform-detail-grid aside>h3:not(:first-child){margin-top:28px}
.platform-app-wrap{position:relative;min-width:0}.platform-app-wrap>.platform-app{width:100%;padding-right:38px!important}.platform-app-wrap .platform-app-arrow{display:none}.platform-favorite{position:absolute;right:4px;top:4px;padding:8px!important;min-width:32px;min-height:32px;background:transparent!important;color:#929ab0!important;border:0!important;font-size:18px}.platform-favorite[aria-pressed=true]{color:var(--brand)!important}.platform-favorite:focus-visible{outline-offset:-3px}main{background:white}.platform-app-wrap .platform-app:hover{background:#fafbfe!important}
/* Existing real conversation, history and learning controls, restyled without replacing data. */
#content:has(.chat-page){max-width:none;padding:24px 32px}.chat-page{max-width:1040px;width:100%;margin:0 auto;border:0;border-radius:0;min-height:calc(100dvh - 112px);padding:0}.chat-heading{padding:0 0 16px;border:0;font-size:12px}#chat-messages{padding:12px 24px 24px}.chat-welcome{padding:48px 0 24px;max-width:680px;margin:auto}.chat-welcome h1{font-size:32px;line-height:1.4;letter-spacing:-.8px}.chat-welcome h1 br{display:none}.chat-welcome p{font-size:14px}.chat-examples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:28px}.chat-examples button{display:flex;align-items:flex-start;flex-direction:column;gap:8px;background:#fafbfe!important;border:1px solid var(--line)!important;color:var(--ink)!important;padding:16px;text-align:left;min-height:100px}.chat-examples strong{font-size:13px;font-weight:500}.chat-examples small{font-size:11px}.example-index,.example-arrow,.welcome-note{display:none}.compose-wrap{padding:20px 24px 0;border:0;background:white}.chat-compose{border:1px solid #dce0e8;border-radius:12px;padding:12px 16px;background:white}.chat-compose textarea{background:white;border:0;resize:vertical;min-height:74px;padding:8px 0;font-size:14px}.chat-compose textarea:focus{outline:none}.chat-compose-bottom{align-items:center;gap:16px}.chat-compose-bottom .scope-control{min-width:0}.scope-control select{font-size:12px;max-width:220px}.chat-consent{font-size:11px;margin:12px 0 0}.compose-caption{font-size:10px;padding:10px 0;gap:12px;line-height:1.6}.chat-answer{font-size:14px;line-height:1.8;min-width:0}.chat-source{border:1px solid var(--line);padding:16px;border-radius:8px}.learning-intro{padding:0 0 20px}.learning-intro>p{display:none}.learning-start{padding:28px;gap:28px;border:1px solid var(--line);background:#fafbfe;border-radius:10px}.learning-manual-copy p{font-size:13px;max-width:640px}.learning-guide p{display:block}.learning-courses{gap:18px}.learning-course{border:1px solid var(--line);border-radius:8px}.learning-course-body{padding:16px}.learning-course-body h3{font-size:15px;line-height:1.6}.learning-course-body>p{font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.learning-course-body button{font-size:13px}.learning-reader-layout{gap:24px}.learning-outline{padding:20px}.learning-reader-heading{gap:16px}.learning-canvas-wrap{padding:20px;background:#f5f6f8}.learning-config form{padding:20px}.shell-intro{margin-bottom:24px}.shell-intro p{max-width:780px;font-size:13px}
@media(max-width:1150px){.platform-app-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.platform-detail-grid{grid-template-columns:minmax(0,1fr)}.platform-detail-grid>aside{border:0;border-top:1px solid var(--line);padding:24px 0 0}.workspace-header{padding:0 24px}#content{padding:24px}.chat-examples{grid-template-columns:1fr}.chat-examples button{min-height:60px}.identity{max-width:160px}.company-name #workspace-name{display:none}}
@media(max-width:760px){.shell{display:block}#sidebar{width:240px}.workspace-header{height:auto;min-height:64px;padding:10px 16px;gap:12px}.company-name{font-size:11px}.company-name #page-name{font-size:12px}.identity{max-width:110px}.identity strong{font-size:11px}.identity small{font-size:9px}#content{padding:24px 16px 92px}h1,.section-heading h1,.shell-intro h1{font-size:23px}.platform-heading{gap:12px;margin-bottom:24px}.platform-heading>button{font-size:12px;padding:8px 12px}.platform-app-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.platform-app{padding:12px!important;min-height:74px!important;gap:9px}.platform-app-icon{width:30px;height:30px}.platform-app strong{font-size:12px}.platform-app-arrow{display:none}.platform-tabs{gap:20px;margin-bottom:24px}.platform-filter{gap:12px;align-items:stretch}.platform-filter label{max-width:none}.platform-filter label:not(:first-child){max-width:130px}.platform-table table,.platform-table tbody{display:block}.platform-table thead{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}.platform-table tr{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px;border-bottom:1px solid var(--line)}.platform-table td{display:block;min-width:0;padding:0;border:0}.platform-table td:first-child,.platform-table td:last-child{grid-column:1/-1}.platform-table td[data-label]:before{content:attr(data-label);display:block;font-size:11px;color:var(--muted);margin-bottom:4px}.platform-connection{font-size:12px;padding:12px}.platform-connection small{font-size:10px}.platform-empty{padding:48px 8px}.platform-detail{width:100vw;max-width:100vw;max-height:100dvh!important;height:100dvh;border-radius:0!important}#detail-content{padding:24px 16px}.platform-record-heading h2{font-size:22px}.platform-detail-grid form{padding:16px}.platform-milestone{gap:12px}.platform-milestone>button{font-size:12px}.platform-prose{font-size:14px}.chat-page{min-height:calc(100dvh - 190px)}#content:has(.chat-page){padding:20px 16px 88px}.chat-heading{font-size:11px}.chat-welcome{padding:24px 0}.chat-welcome h1{font-size:26px}#chat-messages{padding:8px 0 20px}.compose-wrap{padding:12px 0 0}.chat-compose{padding:10px 12px}.chat-compose-bottom{flex-wrap:wrap}.scope-control select{max-width:170px}.compose-caption{display:block;font-size:10px}.keyboard-hint{display:none}.chat-examples{gap:8px}.chat-examples button{min-height:64px}.chat-turn{padding:20px 0}.chat-user{max-width:100%}.learning-start{padding:20px;gap:20px}.learning-courses{gap:16px}.learning-course-body{padding:16px}.learning-reader-layout{display:block}.learning-outline{margin-top:24px}.learning-pdf-toolbar{gap:8px;flex-wrap:wrap}.learning-pdf-toolbar input{width:64px}.detail-bar{padding:12px 16px}button,input,select{min-height:44px}.form-actions{gap:10px}.form-actions button{flex:1;min-width:120px}.panel{padding:20px}.ui-form-section{padding:16px!important}#mobile-navigation{padding-bottom:env(safe-area-inset-bottom);min-height:64px}.ui-records th,.ui-records td{padding:0}.identity{display:block!important}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.platform-chat-layout{display:grid;grid-template-columns:224px minmax(0,1fr);height:100%;min-height:0}#content:has(.platform-chat-layout){padding:0;max-width:none}.platform-chat-layout .chat-page{max-width:none;min-height:0;height:100%;padding:20px 28px;min-width:0}.platform-chat-layout #chat-messages{padding:8px 0 16px;min-height:0;flex:1}.platform-chat-layout .chat-welcome{padding:32px 0 20px;max-width:760px}.platform-chat-layout .chat-welcome h1{font-size:28px}.platform-chat-layout .chat-heading{padding:0 0 16px;min-height:40px;gap:12px}.platform-chat-layout .chat-examples{grid-template-columns:1fr;max-width:540px;gap:8px;margin-top:24px}.platform-chat-layout .chat-examples button{min-height:64px;flex-direction:row;align-items:center;padding:12px 16px}.platform-chat-layout .chat-examples small{margin-right:12px}.platform-chat-layout .compose-wrap{padding:12px 0 0}.platform-chat-layout .compose-caption{font-size:10px}#platform-history-slot{padding:24px 16px;border-right:1px solid var(--line);background:#fcfcfd;min-height:0;min-width:0;overflow:hidden}#platform-history-slot #sidebar-history{margin:0;display:flex;flex-direction:column;flex:1;min-height:0;height:100%;gap:0}#platform-history-slot .new-chat{width:100%;margin-bottom:20px}#platform-history-slot .history-heading{margin:0 4px 12px;font-size:11px}#platform-history-slot #history-filter{min-height:36px;height:36px;font-size:12px;padding:8px;margin:0 0 12px}#platform-history-slot #history-items{min-height:0;overflow:auto;flex:1;padding:0}#platform-history-slot .history-item{padding:10px;font-size:12px;min-height:40px}#platform-history-slot .history-empty{font-size:11px;padding:12px 4px}.platform-chat-layout .chat-page>.note{margin:8px 0 16px;font-size:12px;padding:12px 16px}
@media(min-width:761px){#sidebar:has(~main .platform-chat-layout){overflow:hidden}#sidebar:has(~main .platform-chat-layout) .aside-foot{margin-top:auto}}
@media(max-width:1100px) and (min-width:761px){.platform-chat-layout{grid-template-columns:192px minmax(0,1fr)}.platform-chat-layout .chat-page{padding:20px}.platform-chat-layout .chat-welcome h1{font-size:25px}}
@media(max-width:760px){.platform-chat-layout{display:block;height:100%}#platform-history-slot{display:none}.platform-chat-layout .chat-page{padding:20px 16px 84px}.platform-chat-layout .chat-heading{display:flex;align-items:center;gap:10px}.platform-chat-layout .chat-heading>div{font-size:10px}.platform-chat-layout .chat-welcome h1{font-size:24px}.platform-chat-layout .chat-welcome{padding:20px 0}.platform-chat-layout .chat-examples button{display:block;min-height:60px}.platform-chat-layout .compose-wrap{padding:8px 0 0}.platform-chat-layout #chat-messages{padding-bottom:16px}#platform-history-open{min-width:76px;font-size:12px;padding:6px 10px}#navigation-dialog #sidebar-history{min-height:180px;overflow:auto;display:flex}#navigation-dialog #sidebar{overflow:auto}#content:has(.platform-chat-layout){padding:0}}
@media(max-width:760px){.shell>main{height:100dvh;width:100%;min-height:0}#content{overflow:auto}#navigation-open{width:44px;min-width:44px;height:44px;min-height:44px}.platform-favorite{min-width:44px!important;min-height:44px!important;padding:10px!important;right:0;top:0}.platform-app-wrap>.platform-app{padding-right:44px!important}.platform-tabs::-webkit-scrollbar{height:3px}.platform-tabs::-webkit-scrollbar-thumb{background:#d5daea;border-radius:3px}}

/* Review follow-up: stable section navigation, breathing room and personal entry. */
.platform-chat-layout .chat-page{padding:24px 40px;box-sizing:border-box}.platform-chat-layout #chat-messages{padding:12px 16px 24px 8px;scrollbar-gutter:stable;overflow-x:hidden}.platform-chat-layout .compose-wrap{padding:16px 8px 0}.platform-chat-layout .chat-compose{width:100%;min-width:0}.platform-chat-layout .chat-answer,.platform-chat-layout .answer-rules{max-width:100%;overflow-wrap:anywhere}
#knowledge-section-tabs{display:flex;flex-direction:row;flex-wrap:nowrap;gap:24px;min-height:48px;flex-shrink:0}#knowledge-section-tabs button{width:auto;flex:none;white-space:nowrap}
#sidebar-person{display:flex;align-items:center;gap:10px;width:100%;padding:14px 8px;background:transparent;color:var(--ink);text-align:left;border-top:1px solid var(--line);border-radius:0;margin-top:12px;flex-shrink:0}#sidebar-person:hover{background:var(--soft)}.platform-avatar{width:36px;height:36px;display:inline-grid;place-items:center;border-radius:50%;flex-shrink:0;font-size:14px;font-weight:600}.tone-navy{background:#e0e6f1;color:#29456e}.tone-blue{background:#e5f1fb;color:#215c89}.tone-green{background:#e4f2ec;color:#216246}.tone-amber{background:#fff0d9;color:#80520c}.tone-violet{background:#ede8fa;color:#64429a}.tone-rose{background:#f9e8ef;color:#923b60}.platform-person-text{min-width:0;display:grid;gap:3px}.platform-person-text strong,.platform-person-text small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:130px}.platform-person-text strong{font-size:13px}.platform-person-text small{font-size:10px;color:var(--muted)}.platform-settings-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}.platform-person-preview{display:flex;align-items:center;gap:12px;padding:0 0 20px;border-bottom:1px solid var(--line)}.platform-avatar-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.platform-avatar-choices label{gap:8px;font-size:12px;margin:0}.platform-settings-grid h2:not(:first-child){margin-top:32px}.platform-settings-grid form p{font-size:12px}
.platform-workbench{display:grid;gap:24px;max-width:1200px;margin:auto}.platform-workbench>.platform-heading{margin:0}.platform-workbench>.panel{margin:0}.platform-workbench .section-heading{margin-bottom:16px}.platform-home-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr);gap:24px}.platform-home-grid .panel{margin:0}.platform-home-clear{padding:24px 12px;text-align:center;min-height:160px}.platform-home-clear>span{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#edf4ef;color:#37734f}.platform-home-clear h3{margin-top:12px}.platform-home-clear p{font-size:12px;color:var(--muted)}.platform-home-links{border-top:1px solid var(--line);display:flex;gap:16px}.platform-home-ask{background:#fafbfe}.platform-home-ask form{display:grid;gap:12px;margin-top:20px}.platform-home-ask button{justify-self:start}.platform-home-ask input{width:100%}.platform-home-shortcuts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.platform-home-shortcuts button{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;text-align:left}.platform-home-shortcuts button span{font-size:12px;color:var(--muted)}.platform-home-feedback{border-top:1px solid var(--line);margin-top:16px}.platform-workbench .workspace-record{width:100%;min-width:0}.platform-workbench .workspace-record>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.platform-workbench .workspace-record small{flex-shrink:0}.platform-settings-grid .actions{flex-wrap:wrap}.platform-settings-grid fieldset{min-width:0}
@media(max-width:1100px){.platform-chat-layout .chat-page{padding:24px}.platform-home-shortcuts{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.platform-chat-layout .chat-page{padding:20px 20px 84px}.platform-chat-layout .compose-wrap{padding:12px 0 0}.platform-chat-layout #chat-messages{padding:8px 8px 20px 0}.platform-home-grid,.platform-settings-grid{grid-template-columns:minmax(0,1fr)}.platform-home-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr))}.platform-workbench{gap:20px}.platform-avatar-choices{grid-template-columns:repeat(2,1fr)}#knowledge-section-tabs{gap:16px}#knowledge-section-tabs button{font-size:12px;padding:10px 0}.platform-workbench .platform-heading{align-items:flex-start}.platform-home-grid{gap:20px}}
/* Colleague messages use the approved 8897 navigation and quiet paper surfaces. */
.im-page{display:grid;grid-template-columns:minmax(240px,290px) minmax(0,1fr);min-height:min(750px,calc(100dvh - 130px));border:1px solid var(--line);border-radius:10px;background:var(--paper);overflow:hidden}.im-list{border-right:1px solid var(--line);min-width:0;background:#fafbfc}.im-list-title{padding:20px;border-bottom:1px solid var(--line)}.im-list-title h1{margin:0 0 14px}.im-list-title>div{display:flex;gap:8px;flex-wrap:wrap}.im-list-title button{padding:7px 10px;min-height:36px;font-size:12px}.im-conversation{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);padding:13px 18px;box-shadow:none!important}.im-conversation:hover,.im-conversation.active{background:#eff2fa}.im-conversation>span:nth-child(2){min-width:0;flex:1}.im-conversation strong,.im-conversation small{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.im-conversation small{font-size:12px;color:var(--muted)}.im-conversation em{border-radius:99px;background:var(--brand);color:white;font-style:normal;font-size:11px;padding:1px 6px}.im-avatar{position:relative;display:inline-grid;place-items:center;flex:none;width:34px;height:34px;border-radius:50%;background:#e4e9fa;color:#344b9f;font-weight:650;overflow:hidden}.im-avatar img,.platform-avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit}.im-avatar img[hidden],.platform-avatar img[hidden]{display:none}.platform-avatar{position:relative;overflow:hidden}.im-main{display:flex;flex-direction:column;min-width:0;min-height:0}.im-heading{display:flex;align-items:center;gap:14px;padding:14px 22px;border-bottom:1px solid var(--line);min-height:66px}.im-heading>div{flex:1;min-width:0}.im-heading strong,.im-heading small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.im-heading small{color:var(--muted);font-size:12px}.im-scroll{flex:1;overflow:auto;min-height:280px;padding:24px clamp(20px,4vw,48px);background:#fff}.im-line{display:flex;align-items:flex-start;gap:10px;margin:0 0 18px;max-width:84%}.im-line.mine{margin-left:auto;flex-direction:row-reverse}.im-bubble{min-width:0;background:#f5f6f8;padding:10px 14px;border-radius:8px 8px 8px 2px;overflow-wrap:anywhere}.im-line.mine .im-bubble{background:#eaf0ff;border-radius:8px 8px 2px 8px}.im-bubble small{color:var(--muted);font-size:11px}.im-bubble p{white-space:pre-wrap;margin:6px 0}.im-bubble button{min-height:32px;font-size:12px;margin-right:6px}.im-compose{border-top:1px solid var(--line);padding:14px 22px 16px;background:#fff}.im-compose textarea{min-height:72px;max-height:180px;resize:vertical;margin:0}.im-compose>div{display:flex;align-items:center;gap:12px;justify-content:flex-end;margin-top:9px}.im-compose label.im-file-label{margin:0 auto 0 0;color:var(--brand);cursor:pointer}.im-file-label input{width:180px;font-size:11px;padding:3px}.im-compose [role=status]{font-size:12px;color:var(--muted)}.im-back{display:none}.chat-user{display:flex;align-items:flex-end;gap:10px}.chat-user>.im-avatar{order:3}.chat-user>div{min-width:0}.chat-user .chat-label{align-self:center}.platform-person-preview .platform-avatar{flex:none}
.im-list-title input[type=search]{width:100%;margin:14px 0 0;min-height:38px}.im-heading #im-search{white-space:nowrap}.im-search-result{display:block;width:100%;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:12px 8px;white-space:normal;overflow-wrap:anywhere}.im-search-result:hover{background:var(--soft)}
.platform-record-tabs{margin:0 0 20px;gap:20px}.platform-record-pane{min-width:0}.platform-record-pane[hidden]{display:none}.platform-record-pane>section:not(:first-child),.platform-record-pane>details:not(:first-child){border-top:1px solid var(--line);padding-top:20px;margin-top:20px}.platform-file-section{min-width:0}
.platform-photo-preview{display:grid;place-items:center;padding:12px 0}.platform-photo-preview img{width:104px;height:104px;border-radius:50%;object-fit:cover;border:2px solid #d8e0ef}#im-group-photo{border-top:1px solid var(--line);margin-top:18px;padding-top:18px}#im-group-photo button{margin-top:10px}
.profile-summary{max-width:980px}.profile-summary-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.profile-summary-heading h2{margin:0 0 4px}.profile-summary-heading p{margin:0;color:var(--muted)}.profile-summary-heading .badge{flex:none}.profile-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;margin:22px 0}.profile-facts>div{min-width:0;padding:14px 0;border-top:1px solid var(--line)}.profile-facts dt{font-size:12px;color:var(--muted);margin:0 0 5px}.profile-facts dd{margin:0;font-size:14px;overflow-wrap:anywhere}.profile-summary>button{margin-top:4px}@media(max-width:760px){.profile-summary-heading{display:block}.profile-summary-heading .badge{display:inline-block;margin-top:12px}.profile-facts{grid-template-columns:1fr;gap:0;margin:18px 0}}
.im-context-tools{display:flex;align-items:center;justify-content:flex-start;gap:10px;margin:10px 0 0!important;flex-wrap:wrap}.im-context-tools label{display:flex;align-items:center;gap:8px;margin:0;color:var(--muted);font-size:12px}.im-context-tools select{min-height:36px;max-width:150px;padding:4px 8px}.im-context-tools button{min-height:36px}.im-context-tools #im-linked-record{font-size:12px;color:var(--muted);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.im-object-card{display:flex;flex-direction:column;align-items:flex-start;text-align:left;width:min(300px,100%);margin:8px 0!important;padding:10px 12px!important;background:#fff!important;border:1px solid #cad6eb!important;color:var(--ink)!important;border-radius:8px!important;white-space:normal}.im-object-card span,.im-object-card small{font-size:11px;color:var(--muted)}.im-object-card strong{font-size:13px;overflow-wrap:anywhere}.im-object-unavailable{display:block;margin:8px 0;padding:9px 10px;border:1px dashed var(--line);font-size:12px;color:var(--muted)}@media(max-width:760px){.im-context-tools{gap:8px}.im-context-tools #im-linked-record{max-width:150px}}
.im-mention-badge{flex:none;padding:3px 6px;border-radius:5px;background:#fff2dc;color:#875515;font-size:11px;font-weight:600}
@media(max-width:760px){.im-page{display:block;border:0;min-height:calc(100dvh - 180px)}.im-list{border-right:0}.im-main{display:none}.im-thread-open .im-list{display:none}.im-thread-open .im-main{display:flex;min-height:calc(100dvh - 185px)}.im-back{display:inline-flex;padding:5px 8px;min-height:36px}.im-heading{padding:12px}.im-scroll{padding:16px 12px;min-height:250px}.im-line{max-width:95%}.im-compose{padding:12px;padding-bottom:max(12px,env(safe-area-inset-bottom))}.im-file-label input{width:140px}.im-list-title{padding:16px}}
.platform-contact-section{margin-block:24px;padding-block:16px;border-block:1px solid var(--line)}
.platform-contact-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px}
.platform-contact-card{min-width:0;padding:14px;border:1px solid var(--line);border-radius:10px;background:#fff}
.platform-contact-card strong,.platform-contact-card small{display:block;overflow-wrap:anywhere}
.platform-contact-card p{margin:8px 0;overflow-wrap:anywhere}
.platform-contact-editor{margin-top:16px;max-width:560px}

/* Message workspace: compact conversation rail and a stable reading/composing area. */
#content:has(.im-page){min-width:0}
.im-page{height:clamp(560px,calc(100dvh - 136px),900px);min-height:0;grid-template-columns:minmax(255px,300px) minmax(0,1fr);box-shadow:0 12px 30px rgba(27,46,82,.06)}
.im-list{display:flex;flex-direction:column;min-height:0;background:#fbfcfe}
.im-list-title{padding:20px 16px 12px;flex:none}
.im-list-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.im-list-head h1{margin:0;font-size:20px}
.im-list-head>div{display:flex;gap:6px}
.im-list-title input[type=search]{margin:15px 0 12px;border-radius:8px;background:#fff}
.im-filters{display:flex;gap:6px}
.im-filters button{min-height:30px;padding:4px 10px;border:0;background:transparent;color:var(--muted);box-shadow:none}
.im-filters button.active{background:#eaf0fc;color:#24457d;font-weight:700}
.im-list-items{flex:1;min-height:0;overflow:auto}
.im-list-empty{padding:26px 18px;color:var(--muted);font-size:13px;line-height:1.6}
.im-conversation{padding:13px 14px;gap:10px;align-items:flex-start}
.im-conversation .im-avatar{width:38px;height:38px}
.im-conversation-copy{flex:1;min-width:0}
.im-conversation-copy strong{font-size:13px}
.im-conversation-copy small{margin-top:5px;line-height:1.4}
.im-conversation-copy small b{color:#bd7434}
.im-conversation-meta{display:flex;align-items:flex-end;flex-direction:column;gap:5px;flex:none}
.im-conversation-meta time,.im-conversation-meta small{font-size:10px;color:var(--muted)}
.im-heading{padding:13px 22px;min-height:65px}
.im-heading>div{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.im-heading>div>span:last-child{min-width:0}
.im-history-wrap{position:relative;display:flex;flex:1;min-height:0}
.im-scroll{flex:1;min-height:0;padding:18px clamp(18px,4vw,50px) 22px}
.im-day{text-align:center;color:#7b8799;font-size:11px;margin:16px 0 22px}
.im-line{max-width:min(76%,680px);margin-bottom:12px}
.im-line.grouped{margin-top:-7px}
.im-avatar-space{width:34px;flex:none}
.im-bubble{padding:10px 13px;border-radius:11px 11px 11px 3px;box-shadow:0 1px 2px rgba(22,41,69,.04)}
.im-line.mine .im-bubble{border-radius:11px 11px 3px 11px}
.im-author{display:flex;align-items:baseline;gap:12px;color:#63718a;font-size:11px}
.im-author strong{color:#243b60;font-size:12px}
.im-author time{font-size:10px}
.im-bubble p{margin:5px 0 2px;line-height:1.55}
.im-message-actions{display:flex;gap:7px;margin-top:3px;opacity:0}
.im-line:hover .im-message-actions,.im-line:focus-within .im-message-actions{opacity:1}
.im-message-actions button{min-height:26px!important;padding:2px 4px!important}
.im-quote{display:flex;flex-direction:column;align-items:flex-start;max-width:100%;border:0!important;border-left:3px solid #a9bad6!important;border-radius:0!important;background:rgba(255,255,255,.65)!important;padding:5px 8px!important;margin:0 0 5px!important;text-align:left;color:#3d526f!important}
.im-quote span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.im-quote-unavailable{display:block;color:var(--muted);font-size:11px;border-left:3px solid #c9d0da;padding-left:8px}
.im-attachment{display:block;background:#fff!important;border:1px solid var(--line)!important;color:var(--brand)!important;text-align:left;margin-top:7px!important}
.im-highlight .im-bubble{outline:2px solid #e0a33b;outline-offset:2px}
.im-latest{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);z-index:2;box-shadow:0 5px 18px #22334b22;background:#fff;color:var(--brand);border:1px solid var(--line);white-space:nowrap}
.im-latest[hidden]{display:none}
.im-older{display:block;margin:0 auto 18px}
.im-compose{padding:12px 20px max(14px,env(safe-area-inset-bottom));flex:none}
.im-compose textarea{width:100%;min-height:64px;max-height:140px;resize:vertical;border:1px solid #d5deeb;border-radius:9px}
.im-compose-actions{display:flex!important;justify-content:space-between!important;align-items:center;gap:8px;margin-top:8px!important}
.im-compose-actions>div{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.im-compose-actions button,.im-compose-actions .im-file-label{min-height:34px;padding:5px 10px;font-size:12px}
.im-compose-actions #im-send{min-width:72px}
.im-compose-actions [role=status]{flex:1;text-align:right;overflow-wrap:anywhere}
.im-file-label{display:inline-flex;align-items:center;cursor:pointer;color:var(--brand)}
.im-file-label input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.im-file-label:focus-within{outline:2px solid var(--brand)}
.im-selected-tools{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.im-selected-tools:empty{display:none}
.im-selected{display:flex;align-items:center;gap:8px;max-width:100%;background:#eef3fb;color:#344b70;border-radius:6px;padding:4px 7px;font-size:11px}
.im-selected span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.im-selected button{border:0;background:transparent;padding:0 3px;min-height:22px;color:#556783}
.im-mention-popup{position:absolute;bottom:100%;left:22px;max-height:180px;overflow:auto;z-index:4;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px #22334b22;padding:6px}
.im-mention-popup[hidden]{display:none}
.im-mention-popup button{display:block;width:100%;text-align:left;background:#fff;border:0;padding:8px}
.im-detail section{padding:16px 0;border-top:1px solid var(--line)}
.im-detail h2,.im-detail h3{margin:0 0 10px}
.im-detail header p,.im-detail section p{color:var(--muted)}
.im-member-list{display:grid;gap:8px}
.im-member-list>div{display:flex;align-items:center;gap:9px}
.im-member-list small{margin-left:auto;color:var(--muted)}
.im-warning{background:#fff7e6;border:1px solid #ecd5aa;padding:12px;border-radius:8px}
@media(hover:none){.im-message-actions{opacity:1}}
@media(max-width:1024px){.im-page{grid-template-columns:260px minmax(0,1fr)}.im-scroll{padding-inline:20px}.im-heading{padding-inline:14px}}
@media(max-width:760px){.im-page{display:block;height:calc(100dvh - 160px);min-height:420px;border:0}.im-list{height:100%}.im-thread-open .im-main{height:100%;min-height:0}.im-heading{min-height:54px;padding:8px 10px}.im-heading .secondary{padding:5px 7px;min-height:34px}.im-scroll{min-height:0;padding:14px 10px}.im-line{max-width:94%}.im-compose{padding:9px 10px max(10px,env(safe-area-inset-bottom))}.im-compose textarea{min-height:58px}.im-compose-actions{flex-wrap:wrap}.im-compose-actions [role=status]{order:3;flex-basis:100%;text-align:left}.im-list-title{padding:15px}.im-conversation{min-height:64px}}
/* The question and its identity form one right-aligned unit; the answer stays left. */
.platform-chat-layout .chat-user{display:flex;align-items:flex-start;justify-content:flex-end;gap:10px;width:100%;max-width:100%;margin:0 0 28px;text-align:right}
.platform-chat-layout .chat-user>.chat-user-content{display:flex;flex-direction:column;align-items:flex-end;min-width:0;max-width:min(76%,620px);padding:0;border:0;background:transparent;white-space:normal}
.platform-chat-layout .chat-user>.im-avatar{order:0;margin-top:1px}
.platform-chat-layout .chat-user .chat-label{align-self:flex-end;margin:0 0 7px;font-size:12px;font-weight:600;color:var(--ink);line-height:1.4}
.platform-chat-layout .chat-user .chat-user-bubble{max-width:100%;padding:11px 15px;border-radius:12px 4px 12px 12px;background:var(--brand-soft);font-size:14px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;text-align:left}
@media(max-width:760px){.platform-chat-layout .chat-user>.chat-user-content{max-width:calc(100% - 46px)}}
/* Workbench: one task focal point, a small knowledge entry, compact follow-up rows. */
.platform-workbench-refined{gap:18px;max-width:1180px}
.platform-home-intro{display:flex;align-items:end;justify-content:space-between;gap:18px;padding:6px 2px 10px}
.platform-home-intro h1{font-size:27px;letter-spacing:-.035em;margin:5px 0 4px;color:var(--ink)}
.platform-home-intro p{font-size:13px;color:var(--muted);margin:0}
.platform-home-kicker,.platform-home-overline{display:block;font-size:10px;font-weight:700;letter-spacing:.13em;color:#74839e}
.platform-home-intro>.secondary{flex:none;min-height:38px}
.platform-workbench-refined .platform-home-grid{grid-template-columns:minmax(0,1.65fr) minmax(280px,1fr);gap:16px}
.platform-workbench-refined .panel{margin:0;padding:22px;border-color:#e4e9f1;box-shadow:0 2px 14px rgba(24,43,78,.035)}
.platform-workbench-refined .section-heading{align-items:center;margin:0 0 13px}
.platform-workbench-refined h2{font-size:17px;letter-spacing:-.015em;margin:0}
.platform-home-pending{display:flex;flex-direction:column;min-height:214px}
.platform-home-pending .section-heading h2{margin-top:3px}
.platform-home-task-list{flex:1;min-width:0}
.platform-home-clear{display:flex;align-items:center;justify-content:flex-start;gap:13px;min-height:92px;padding:14px 2px;text-align:left}
.platform-home-clear>span{width:38px;height:38px;flex:none;font-size:17px}
.platform-home-clear h3{font-size:14px;margin:0 0 3px}
.platform-home-clear p{margin:0;font-size:12px}
.platform-home-links{padding-top:10px;margin-top:6px;gap:18px}
.platform-home-ask{display:flex;flex-direction:column;align-items:flex-start;background:linear-gradient(145deg,#f7f9fe,#fff 74%)}
.platform-home-ask h2{font-size:20px;margin:10px 0 3px}
.platform-home-ask>p{font-size:12px;color:var(--muted);margin:0}
.platform-home-ask form{width:100%;margin:18px 0 7px;gap:9px}
.platform-home-ask form input{min-height:42px;background:#fff}
.platform-home-ask form button{min-height:38px}
.platform-home-lower{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:16px;align-items:start}
.platform-home-recent,.platform-home-apps{min-width:0;min-height:180px}
.platform-home-recent .workspace-record{padding:10px 0}
.platform-home-apps .platform-home-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.platform-home-apps .platform-home-shortcuts button{min-height:38px;padding:8px 10px;font-size:12px;box-shadow:none}
.platform-home-feedback{padding-top:10px;margin-top:10px}
.platform-home-business{min-width:0}.platform-home-business-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.platform-home-business-row{display:flex;align-items:center;gap:14px;min-width:0;text-align:left;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}.platform-home-business-row:hover,.platform-home-business-row:focus-visible{border-color:#8da5c7;background:#f6f8fc}.platform-home-business-title{display:grid;gap:4px;min-width:0;flex:1}.platform-home-business-title strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.platform-home-business-title small,.platform-home-business-meta small{font-size:11px;color:var(--muted)}.platform-home-business-meta{display:grid;gap:4px;text-align:right;flex:none;font-size:11px}.platform-home-business-row>span:last-child{color:#7286a4;flex:none}
@media(max-width:1024px){.platform-workbench-refined .platform-home-grid{grid-template-columns:minmax(0,1.3fr) minmax(240px,1fr)}.platform-home-lower{grid-template-columns:1fr}}
@media(max-width:760px){.platform-workbench-refined{gap:14px}.platform-home-intro{align-items:flex-start}.platform-home-intro>.secondary{font-size:11px;padding:8px}.platform-workbench-refined .platform-home-grid,.platform-home-lower,.platform-home-business-list{grid-template-columns:1fr;gap:14px}.platform-workbench-refined .panel{padding:18px}.platform-home-pending{min-height:0}.platform-home-clear{min-height:72px}.platform-home-apps .platform-home-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr))}}
.platform-milestone:has(.platform-plan-change){flex-wrap:wrap}.platform-plan-change{flex-basis:100%;min-width:0}.platform-plan-change summary{cursor:pointer;color:var(--brand);font-size:12px}.platform-plan-change form{margin-top:8px}.platform-plan-change [role=status]{overflow-wrap:anywhere}
.learning-assignment{display:inline-block;margin:0 0 10px;padding:5px 9px;border-radius:6px;background:#edf3ff;color:#244675;font-size:12px}.learning-assignment-panel form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:end}.learning-assignment-panel form>button{align-self:end}.learning-assignment-panel form>p{grid-column:1/-1}.learning-assignment-panel h3{margin-top:24px}@media(max-width:760px){.learning-assignment-panel form{grid-template-columns:1fr}}

/* E1b-0: two task-led chains, same BCZ reading surfaces. */
.chain-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(270px,1fr);gap:24px;align-items:start}.chain-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.chain-fields .full{grid-column:1/-1}.chain-fields input,.chain-fields select{min-width:0;width:100%}.chain-meta{display:grid;grid-template-columns:120px minmax(0,1fr);gap:12px}.chain-meta dt{color:var(--muted,#64748b)}.chain-meta dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.chain-record{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;text-align:left;background:white;color:#24354d;border:1px solid #dde4ee;margin:10px 0;padding:15px}.chain-record small{display:block;color:#64748b;margin-top:7px}.chain-error{color:#a52c3e;min-height:23px}.chain-history{padding-left:22px}.chain-history li{padding:0 0 16px 8px;overflow-wrap:anywhere}.chain-history small{color:#64748b}.chain-security,.chain-queue{padding:16px 0;border-bottom:1px solid #dde4ee}#chain-local-context{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;max-height:280px;overflow:auto}@media(max-width:1050px){.chain-grid{grid-template-columns:1fr}}@media(max-width:600px){.chain-fields{grid-template-columns:1fr}.chain-meta{grid-template-columns:92px minmax(0,1fr)}.chain-grid .actions button{min-height:44px}.chain-record{flex-wrap:wrap}}
.internal-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 24px}.internal-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:20px 0}.internal-grid>section{min-width:0}.internal-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:16px;margin:12px 0;width:100%;text-align:left;border:1px solid #e3e8ef;border-radius:12px}.internal-summary{display:flex;gap:40px;flex-wrap:wrap}.internal-summary>div{display:flex;flex-direction:column;gap:8px}.internal-summary strong{font-size:26px}.internal-grid form{display:grid;gap:14px;margin:20px 0}.internal-grid label{display:grid;gap:8px}.internal-grid input,.internal-grid select,.internal-grid textarea{width:100%;box-sizing:border-box}.internal-grid .actions{flex-wrap:wrap}#internal-catalog{display:grid;gap:16px;margin-top:18px}#internal-catalog label{display:grid;gap:8px}@media(max-width:760px){.internal-grid{grid-template-columns:1fr;gap:16px}.internal-summary{gap:20px}.internal-tabs button{min-height:44px}}

/* v0.43 task surfaces: one identity, compact choices, legible metadata.
   Keep business drawers and readers spacious; picker geometry is independent. */
:root{--ui-page-space:32px;--ui-field-space:16px;--ui-text-small:12px;--ui-touch:44px;--focus:#4058b5}
.brand small,.aside-foot,.aside-foot small,.shell-nav-label,.identity small{font-size:12px;color:var(--muted)}
.aside-foot small{letter-spacing:.06em}.identity strong{font-size:13px}.badge{font-size:12px}
.platform-home-kicker,.platform-home-overline{font-size:12px;color:var(--muted);letter-spacing:0}
.platform-event small,.platform-home-intro p,.platform-person-button small{color:var(--muted)}
.platform-home-grid .panel{margin:0}.platform-home-pending .workspace-record{gap:16px}.workspace-record>span{min-width:0;overflow-wrap:anywhere}
.learning-guide{align-self:stretch}.learning-guide p{display:block;font-size:14px;line-height:1.65;max-width:58ch;color:var(--muted)}
.ui-field,.chain-fields label{scroll-margin-block:80px}#content,dialog{scroll-padding-block:80px}
.ui-form-section{margin:0 0 24px;padding:0;border:0;background:transparent}.ui-form-section h3{margin:0 0 16px}
.ui-business-form{max-width:900px}.ui-business-form .ui-form-section{padding:0}.ui-business-form .form-actions{padding-top:16px;border-top:1px solid var(--line)}
.panel [role=alert]:not(:empty),.ops-form [role=alert]:not(:empty){padding:12px 16px;background:#fff5f1;color:#8c3028;border-radius:6px;overflow-wrap:anywhere}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}::selection{background:#dce5ff;color:var(--ink)}input,textarea{caret-color:var(--brand)}
.chat-heading .chat-identity{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}.chat-identity strong{font-size:14px;color:var(--ink)}.chat-heading .chat-identity .muted{font-size:12px;line-height:1.5}
.chat-options{position:relative;flex:none}.chat-options>summary{list-style:none;min-height:44px;padding:10px 12px;color:var(--brand);font-size:14px;white-space:nowrap}.chat-options>summary::-webkit-details-marker{display:none}.chat-options[open]>button{position:absolute;right:0;top:100%;z-index:5;min-width:150px;background:white;border:1px solid var(--line);padding:12px;box-shadow:0 6px 20px #1d355e18}
#detail[data-surface]{max-width:calc(100vw - 32px)}
#detail[data-surface=picker]{width:368px;height:auto;max-height:min(540px,calc(100dvh - var(--picker-top,16px) - var(--picker-bottom,16px)));position:fixed;right:auto;bottom:auto;left:var(--picker-left,16px);top:var(--picker-top,16px);margin:0;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px #1d355e24;overflow:auto}
#detail[data-surface=picker] .detail-bar{padding:10px 12px;gap:8px}#detail[data-surface=picker] #detail-content{padding:12px}#detail[data-surface=picker] .im-emoji-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:0 0 20px}
#detail[data-surface=picker] .im-emoji-grid button{width:100%;min-width:0;min-height:44px;padding:0;font-size:24px;background:transparent;color:var(--ink);border:1px solid transparent;border-radius:6px}#detail[data-surface=picker] .im-emoji-grid button:hover{background:var(--brand-soft)}
#detail[data-surface=picker] .im-sticker-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}#detail[data-surface=picker] .im-sticker-grid article{min-width:0}#detail[data-surface=picker] .im-sticker-grid button{min-width:0;overflow-wrap:anywhere}#detail[data-surface=picker] img{max-width:100%}
#detail[data-surface=confirm]{width:480px;height:fit-content;max-height:calc(100dvh - 32px);margin:auto;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px #1d355e24}
#detail[data-surface=side]{width:440px;height:100dvh;margin:0 0 0 auto;max-width:100vw}#detail[data-surface=side] #detail-content{padding:20px}#detail[data-surface=side] .im-member-list>div{gap:12px}
#detail[data-surface=form]{width:760px;height:fit-content;margin:auto;max-height:calc(100dvh - 32px);border-radius:12px}#detail[data-surface=reader]{width:min(1000px,96vw);height:100dvh}
.ui-discard{width:min(440px,calc(100vw - 32px));height:fit-content;max-height:calc(100dvh - 32px);margin:auto;padding:24px;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px #1d355e24}.ui-discard h2{margin:0 0 12px}.ui-discard .form-actions{justify-content:flex-end}.ui-discard button{min-height:44px}
@media(max-width:1100px){#content{padding:24px}.platform-detail-grid{grid-template-columns:minmax(0,1fr)}.platform-detail-grid aside{padding:24px 0 0;border-left:0;border-top:1px solid var(--line)}}
@media(max-width:760px){#content{padding:20px 16px 88px}.workspace-header{gap:10px}.company-name{font-size:12px}.identity{min-width:96px;max-width:116px}.identity strong{font-size:12px}.identity small{font-size:12px;line-height:1.5}.platform-chat-layout .chat-page{padding:16px 16px 76px}.platform-chat-layout .chat-heading{gap:8px;padding-bottom:12px}.platform-chat-layout .chat-heading .chat-identity{font-size:14px}.chat-identity .muted{white-space:nowrap}.chat-heading #platform-history-open{min-width:68px;min-height:44px;padding:8px;font-size:13px}.chat-heading .chat-options{margin-left:auto}.chat-options>summary{padding-inline:8px}#content .ui-business-form{padding:16px}#content .ui-business-form .ui-form-section{padding:0}.ui-current-action{padding:16px}.ui-detail-heading h2{font-size:20px;overflow-wrap:anywhere}.platform-personal-tabs,.platform-tabs{scroll-padding-inline:16px}#content button,#content summary,#detail button,#mobile-navigation button{min-height:44px}#mobile-navigation{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}#mobile-navigation button{min-width:0;padding:8px 4px;font-size:12px}.chat-compose-bottom select{min-height:44px}.im-message-actions>summary{min-height:44px;padding:8px 4px}.file-reader{padding:16px}.pdf-reader{padding:16px}.pdf-controls{gap:8px}.pdf-controls button{min-height:44px}#detail[data-surface=picker]{max-width:calc(100vw - 32px)}#detail[data-surface=form],#detail[data-surface=confirm]{max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px)}.ui-discard .form-actions{flex-direction:column}.ui-discard button{width:100%}}
@media(prefers-reduced-motion:reduce){#detail[data-surface],.ui-discard{animation:none;transition:none}}
/* UI14: the shared checkbox alignment must not pull sign-in segmented labels upward. */
.login-layout .login-portals label.check{align-items:center;justify-content:center;min-width:0;line-height:1.5;padding:8px}.login-layout .login-portals label.check input{margin:0;flex:0 0 16px;width:16px;height:16px}.login-layout .login-portals label.check:focus-within{outline:2px solid var(--focus);outline-offset:2px}
.ops-form .ops-fields{gap:16px}.ops-form .ops-fields>label{margin:0}.ops-form .ops-fields>label>input,.ops-form .ops-fields>label>select,.ops-form .ops-fields>label>textarea{margin-block:0}