/* Application shell: navigation, page context, content and actions have distinct roles. */
:root{--nav-width:232px;--space-unit:8px;--motion-fast:120ms;--motion-enter:180ms;--motion-ease:cubic-bezier(.2,0,0,1)}
.ui-icon{flex:none;vertical-align:middle}
.skip-workspace{position:fixed;top:-80px;left:16px;z-index:100;background:var(--surface);padding:10px 16px;border:2px solid var(--accent);border-radius:5px}
.skip-workspace:focus{top:10px}
.app-topbar{display:grid;grid-template-columns:auto auto minmax(0,1fr) auto;gap:20px;padding:14px 24px;min-height:80px;border-top:0;border-bottom:1px solid var(--line);box-shadow:0 2px 8px #152f4405;background:var(--surface)}
.app-topbar .brand,.login-masthead .brand{display:flex;align-items:center;gap:12px;border:0;padding:0;min-width:0;color:var(--accent)}
.app-topbar .brand .brand-mark,.login-masthead .brand-mark{display:grid;place-items:center;flex:none;width:40px;height:44px;background:var(--accent);color:var(--on-accent);border-radius:11px 11px 11px 3px;margin:0;font-size:inherit}
.brand-mark svg{width:24px;height:24px}
.app-topbar .brand>div,.login-masthead .brand>div{display:flex;flex-direction:column;gap:3px}
.app-topbar .brand strong,.login-masthead .brand strong{font-size:25px;line-height:1.2;letter-spacing:.3px;font-weight:650}
.app-topbar .brand small,.login-masthead .brand small{font-size:.88rem;line-height:1.5;color:var(--muted);font-weight:400;white-space:nowrap}
.workspace-nav,.app-topbar .top-tools,.account-tools{display:flex;align-items:center;gap:4px;min-width:0}
.workspace-nav{border-left:1px solid var(--line);padding-left:16px}
.app-topbar .top-tools{justify-content:flex-end;gap:12px}
.app-topbar button,.display-controls button{border:1px solid transparent;background:transparent;padding:9px 10px;border-radius:7px;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:.94rem;white-space:nowrap;min-height:44px}
.app-topbar button:hover,.display-controls button:hover{background:var(--selected);color:var(--accent);border-color:transparent}
.app-topbar button[aria-pressed=true],.display-controls button[aria-pressed=true]{background:var(--selected);color:var(--accent)}
.app-topbar .workspace-nav button{color:var(--text)}
.display-controls{display:flex;align-items:stretch;gap:2px;padding:3px;border:1px solid var(--line);background:var(--inset);border-radius:10px;flex:none}
.display-controls button+button{position:relative}
.display-controls button+button::before{content:"";position:absolute;left:-2px;top:12px;bottom:12px;border-left:1px solid var(--line)}
.account-tools{border-left:1px solid var(--line);padding-left:16px;gap:8px}
.app-topbar .account{display:flex;align-items:center;gap:8px;padding:0;margin:0;border:0;border-radius:0;background:transparent;max-width:170px;color:var(--text);order:0}
.account-avatar{width:32px;height:32px;flex:none;display:grid;place-items:center;border-radius:50%;background:var(--selected);color:var(--accent);font-size:.85rem;font-weight:600}
.account-copy{min-width:0;display:flex;flex-direction:column;line-height:1.5;font-size:.88rem}
.account-copy>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.account-copy small{font-size:.82rem;color:var(--muted)}
/* The login form has one primary action; reading preferences live outside it. */
.login-page{max-width:1280px;min-height:100dvh;padding:28px 40px 56px;display:flex;flex-direction:column;margin:auto}
.login-masthead{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:44px}
.login-masthead .display-controls{background:var(--surface)}
.login-stage{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);width:100%;max-width:1100px;margin:auto;overflow:hidden;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 60px #1830470b;background:var(--surface)}
.login-story{padding:52px 44px 0;background:var(--brand-bg);color:var(--brand-text);display:flex;flex-direction:column;position:relative;overflow:hidden;min-width:0}
.login-story-copy{position:relative;z-index:1}
.login-wordmark{display:block;font-size:1.15rem;letter-spacing:2px;margin-bottom:28px;font-weight:600}
.login-story h1{font-size:1.85rem;line-height:1.5;font-weight:600;letter-spacing:.02em;margin:0 0 20px;color:var(--brand-text)}
.login-story p{font-size:1rem;line-height:1.95;margin:0;max-width:26em;text-wrap:balance}
.manuscript-art{height:210px;min-height:150px;margin:40px 12px 0;position:relative;flex:1;isolation:isolate}
.manuscript-page{position:absolute;left:12px;right:12px;top:14px;bottom:-40px;border:1px solid #ffffff55;border-radius:10px 10px 0 0;background:#ffffff0c;padding:28px;transform:rotate(-7deg);box-shadow:14px 18px 0 #ffffff09}
.manuscript-page i{display:block;height:2px;background:#ffffff35;margin:16px 0;width:95%}.manuscript-page i:nth-child(3n){width:70%}
.manuscript-page b{display:block;height:28px;border-left:3px solid #ffffff80;background:#ffffff18;margin:18px 0;width:86%}
.manuscript-note{position:absolute;right:-2px;top:80px;padding:16px;border:1px solid #ffffff60;border-radius:12px;background:var(--brand-bg);transform:rotate(6deg);color:var(--brand-text)}
.manuscript-note svg{width:32px;height:32px}
.login-card.auth-form{padding:52px clamp(28px,4.5vw,64px);margin:0;width:100%;max-width:none;min-width:0;align-self:center;background:var(--surface);border:0;box-shadow:none}
.login-card-heading{margin-bottom:30px}
.login-card h2{font-size:1.55rem;line-height:1.5;margin:0 0 12px;font-weight:600}
.login-card-heading p{font-size:.94rem;line-height:1.8;margin:0;max-width:26em}
.login-card form>label{font-size:1rem;margin:20px 0 8px}
.login-card form>label:first-child{margin-top:0}
.login-card input{width:100%;min-height:50px;border-radius:7px;background:var(--surface)}
.login-card .password-field{display:flex;flex-wrap:nowrap;gap:0;border:1px solid var(--control);border-radius:7px;background:var(--surface)}
.login-card .password-field input{border:0;background:transparent;min-width:0;flex-basis:auto;width:0}
.login-card .password-field:focus-within{outline:3px solid var(--accent);outline-offset:3px}
.login-card .password-field input:focus-visible{outline:none}
.login-card .password-field button{border:0;border-radius:0 6px 6px 0;background:transparent;margin:0;padding:9px 12px;font-size:.94rem;color:var(--accent)}
.login-card .password-field button:hover{background:var(--inset)}
.login-card .primary{min-height:50px;margin-top:28px;box-shadow:0 3px 8px #102b4b15}
.login-card #login-error:empty{display:none}
.login-card details{border-top:1px solid var(--line);padding-top:18px;margin:26px 0 0;font-size:.94rem}
.login-card summary{min-height:44px;padding:8px 0;color:var(--muted)}
.login-card summary:hover{color:var(--accent)}
.login-card details p{margin:10px 0 0}
.app-layout{grid-template-columns:var(--nav-width) minmax(0,1fr);max-width:none;min-height:calc(100dvh - var(--header-offset,84px) + 12px)}
.global-sidebar{background:var(--surface);border-right:1px solid var(--line);border-radius:0;padding:18px 12px 12px;top:calc(var(--header-offset,84px) - 12px);height:calc(100dvh - var(--header-offset,84px) + 12px);max-height:none;display:flex;flex-direction:column;gap:0;scrollbar-width:thin}
.side-scroll{flex:1;min-height:0;overflow:auto;padding:0 4px 12px;scrollbar-width:thin}
.nav-group+.nav-group{border-top:1px solid var(--line);padding-top:10px;margin-top:14px}
.sidebar-title{font-size:.85rem;line-height:1.5;font-weight:500;margin:0 0 6px;padding:10px 12px;color:var(--muted)}
.global-sidebar button{display:flex;align-items:center;gap:12px;min-height:46px;padding:10px 12px;font-size:.94rem;line-height:1.5;color:var(--text);border:1px solid transparent;border-radius:6px;margin:3px 0}
.global-sidebar button:hover{background:var(--inset);color:var(--accent)}
.global-sidebar button[aria-current=page]{background:var(--selected);color:var(--accent);border:1px solid transparent;font-weight:600;box-shadow:inset 3px 0 var(--accent)}
.sidebar-footer{border-top:1px solid var(--line);padding:12px 12px 4px;color:var(--muted);font-size:.85rem;line-height:1.6}
.sidebar-footer p{margin:0}.sidebar-footer strong{display:block;color:var(--text);font-weight:500;margin-bottom:3px}
#workspace-main{padding:24px 32px 40px;max-width:1720px;margin-inline:auto}
.page-breadcrumb{display:flex;align-items:center;gap:5px;flex-wrap:wrap;color:var(--muted);margin:-8px 0 10px;font-size:.9rem}
.page-breadcrumb button{background:transparent;border:0;padding:8px;min-height:44px;color:var(--muted);text-align:left}
.page-breadcrumb button:hover{background:var(--inset);color:var(--accent)}
.page-breadcrumb>span{padding:8px;overflow-wrap:anywhere}
.page-breadcrumb>.ui-icon{width:14px;height:14px}
.page-heading{display:flex;align-items:flex-start;gap:24px;justify-content:space-between;margin:0 0 24px;padding:0;border:0;background:transparent;box-shadow:none}
.page-heading-copy{min-width:0;flex:1}
.page-heading h1{font-size:1.65rem;line-height:1.5;letter-spacing:0;margin:0 0 8px;overflow-wrap:anywhere;font-weight:600}
.page-heading p{margin:0;color:var(--muted);max-width:920px;line-height:1.7}
.page-heading .page-eyebrow{font-size:.85rem;font-weight:500;letter-spacing:1px;color:var(--muted);margin:0 0 6px}
.page-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end;padding-top:4px}
.page-actions button{display:inline-flex;align-items:center;justify-content:center;gap:8px}
.page-actions .primary{min-width:132px}
.card{border-radius:8px;box-shadow:none}
.workspace-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;background:var(--surface);border:1px solid var(--line);border-radius:8px;margin-bottom:24px;padding:20px 0}
.summary-item{display:flex;align-items:center;gap:16px;padding:0 24px;min-width:0}
.summary-item+.summary-item{border-left:1px solid var(--line)}
.summary-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:10px;background:var(--inset);color:var(--accent);flex:none}
.summary-icon svg{width:23px;height:23px}
.summary-item dl{margin:0;display:flex;flex-direction:column;gap:2px}.summary-item dt{font-size:.94rem;color:var(--muted)}
.summary-item dd{margin:0;font-size:1.7rem;line-height:1.3;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}
.collection-panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;margin:0 0 24px;overflow:hidden}
.collection-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;flex-wrap:wrap;border-bottom:1px solid var(--line)}
.collection-toolbar h2{margin:0;font-size:1.12rem}
.collection-tools{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap}
.collection-tools label{font-size:.9rem;margin:0;display:flex;flex-direction:column;gap:5px;color:var(--muted)}
.collection-tools input{width:280px;max-width:100%;background:var(--surface);font-size:1rem;color:var(--text)}
.collection-tools select{max-width:100%;font-size:1rem;color:var(--text)}
.collection-tools :is(input,select){height:calc(1.7em + 20px);min-height:calc(1.7em + 20px)}
.collection-count{padding:12px 24px;background:var(--inset);font-size:.9rem;color:var(--muted);margin:0;border-bottom:1px solid var(--line)}
.work-row{display:grid;grid-template-columns:minmax(0,1fr) 90px 100px 120px;gap:20px;align-items:center;padding:24px;border-bottom:1px solid var(--line)}
.work-row:last-child{border-bottom:0}
.work-row:hover,.research-row:hover{background:var(--inset)}
.work-main{display:flex;align-items:flex-start;gap:16px;min-width:0}
.work-cover{display:grid;place-items:center;width:44px;height:56px;flex:none;border:1px solid var(--line);border-left:3px solid var(--accent);background:var(--selected);color:var(--accent);border-radius:3px 6px 6px 3px}
.work-main h2{font-size:1.12rem;line-height:1.55;margin:0 0 6px;overflow-wrap:anywhere}
.work-main p{margin:0;font-size:.9rem;color:var(--muted)}
.work-row .pill{margin-top:8px}
.list-number{display:flex;flex-direction:column;gap:4px;text-align:center;font-variant-numeric:tabular-nums}
.list-number strong{font-size:1.18rem;font-weight:500}.list-number span{font-size:.85rem;color:var(--muted)}
.collection-paging{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:16px 24px;border-top:1px solid var(--line)}
.collection-paging p{margin:0;color:var(--muted);font-size:.9rem}
.import-panel{border:1px dashed var(--control);background:transparent;box-shadow:none}
.import-panel>summary{font-weight:500}
.research-row{padding:24px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center}
.research-row:last-child{border-bottom:0}.research-row h3{font-size:1.08rem;line-height:1.7;overflow-wrap:anywhere;margin:8px 0}
.research-state{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.research-number{color:var(--muted);font-size:.9rem;font-variant-numeric:tabular-nums}
.research-meta{color:var(--muted);font-size:.9rem;margin:8px 0 0}
.question-actions{min-width:172px}.question-actions button{font-size:.94rem}
.question-detail-heading{padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:0}
.question-detail-heading h1{font-size:1.4rem;max-width:1200px}
.question-detail-heading .pill{margin-top:12px}
.tabs{margin:0 0 20px;padding:0;gap:24px;border-bottom:1px solid var(--line)}
.tabs button{background:transparent;border:0;border-radius:0;box-shadow:none;min-height:56px;padding:12px 4px;color:var(--muted)}
.tabs button.active{background:transparent;color:var(--accent);border-color:transparent;box-shadow:inset 0 -3px var(--accent);font-weight:600}
.tabs button:hover{background:var(--inset);color:var(--accent)}
.work-index{border-left:3px solid var(--accent);box-shadow:0 3px 8px #182d4410}
.work-index>.bar{justify-content:space-between}
.work-index>.bar+label{font-size:.94rem}
.reader.card{padding:18px;border:1px solid var(--line);border-top:3px solid var(--accent)}
.reader h2{font-size:1.12rem;border:0;padding:0}
.reader-tools label{font-size:.94rem;color:var(--muted)}
.reader-tools :is(input,select){color:var(--text);font-size:1rem}
.turn{margin:24px 0;padding:0 0 20px 16px;border-left:2px solid var(--line);border-bottom:1px solid var(--line)}
.turn:last-child{padding-bottom:0;border-bottom:0}
.turn .answer{background:var(--reader);border:0;border-radius:0;padding:4px 0 12px}
.turn>h3{font-size:1.08rem}
.quote{border-left-color:var(--control)}
.guided-actions{background:var(--inset);border:0;border-radius:6px;padding:16px}
.team-person{padding:20px 0}.team-person h3{font-size:1.08rem}.team-person .bar button{font-size:.94rem}
.usage-cards{gap:16px}.usage-cards .card{border-top:3px solid var(--accent)}
.feedback-item> .bar .pill{border:1px solid var(--line)}
.feedback-toolbar{align-items:flex-end;gap:12px;margin-bottom:16px}
.feedback-toolbar label{display:flex;flex-direction:column;gap:6px;margin:0;color:var(--muted)}
.feedback-toolbar :is(select,button){height:calc(1.7em + 20px);min-height:calc(1.7em + 20px)}
.research-meta{overflow-wrap:anywhere}
button{transition:box-shadow var(--motion-fast) var(--motion-ease),transform var(--motion-fast) var(--motion-ease)}
button:not(:disabled):active{transform:translateY(1px)}
@media(prefers-reduced-motion:no-preference){
 .view-enter{animation:workspace-enter var(--motion-enter) var(--motion-ease)}
 dialog[open]{animation:panel-enter var(--motion-enter) var(--motion-ease)}
 dialog[open]::backdrop{animation:backdrop-enter 160ms ease-out}
 #notice{animation:panel-enter 160ms var(--motion-ease)}
 .navigation-open .side-scroll{animation:workspace-enter 160ms var(--motion-ease)}
 details[open]>:not(summary){animation:workspace-enter 120ms ease-out}
}
@keyframes workspace-enter{from{opacity:.65}to{opacity:1}}
@keyframes panel-enter{from{opacity:0;translate:0 6px}to{opacity:1;translate:0 0}}
@keyframes backdrop-enter{from{opacity:0}to{opacity:1}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.app-topbar .menu-toggle{display:inline-flex!important}
@media(min-width:1280px){
 .sidebar-collapsed .app-layout{grid-template-columns:minmax(0,1fr)}
 .sidebar-collapsed .global-sidebar{display:none}
 .global-sidebar .close-menu{display:flex!important;border-color:var(--control);margin-top:12px;justify-content:center}
}
@media(max-width:1499px){.app-topbar .brand small{display:none}.app-topbar{gap:12px;padding-inline:20px}.workspace-nav,.account-tools{padding-left:12px}.app-topbar .top-tools{gap:6px}.app-topbar .account-avatar{display:none}.app-topbar .account{max-width:140px}}
@media(max-width:1399px){#workspace-main{padding:24px}}
@media(max-width:1199px){
 .app-topbar{grid-template-columns:1fr auto;row-gap:10px}
 .app-topbar .brand{grid-column:1;grid-row:1}.app-topbar .brand small{display:block}
 .account-tools{grid-column:2;grid-row:1;border:0;padding:0}
 .workspace-nav{grid-column:1;grid-row:2;border:0;padding:0}
 .app-topbar .top-tools{grid-column:2;grid-row:2}
 .login-page{padding:24px 32px 40px}.login-story{padding:40px 32px 0}.login-card.auth-form{padding:40px 32px}
}
@media(max-width:1279px){
 .app-layout{grid-template-columns:minmax(0,1fr)}
 .global-sidebar{display:none;height:auto;max-height:none;position:static;border-right:0;border-bottom:1px solid var(--line)}
 .navigation-open .global-sidebar{display:block}
 .side-scroll{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;overflow:visible}
 .nav-group+.nav-group{margin:0;padding:0;border:0}.sidebar-footer{display:flex;justify-content:space-between;align-items:center;gap:12px}
 .sidebar-footer p{max-width:65%}.global-sidebar .close-menu{width:auto!important}
}
@media(max-width:900px){.page-heading{gap:16px;flex-wrap:wrap}.page-actions{justify-content:flex-start}.work-row{grid-template-columns:minmax(0,1fr) 80px 90px;gap:16px}.work-row>button{grid-column:1/-1;justify-self:end}.summary-item{padding-inline:16px;gap:10px}.collection-tools{width:100%}.collection-tools label:first-child{flex:1}.collection-tools input{width:100%}}
@media(max-width:800px){
 .app-topbar{gap:10px;padding:12px 16px}.app-topbar .brand small{display:none}
 .workspace-nav{grid-column:1/-1;justify-content:flex-start;border-top:1px solid var(--line);padding-top:10px}
 .app-topbar .top-tools{grid-column:1/-1;grid-row:3;justify-content:space-between;gap:8px}
 .login-page{padding:20px 24px 32px}.login-masthead{margin-bottom:28px}.login-masthead .brand small{display:none}
 .login-stage{max-width:580px;grid-template-columns:minmax(0,1fr)}
 .login-story{padding:28px 32px}.login-wordmark,.manuscript-art{display:none}
 .login-story h1{font-size:1.45rem;margin:0}.login-story p{display:none}
 .login-card.auth-form{padding:32px}
}
@media(max-width:600px){
 .app-topbar{position:static;grid-template-columns:minmax(0,1fr) auto}
 .app-topbar .brand{gap:8px}.app-topbar .brand .brand-mark{width:30px;height:34px;border-radius:8px 8px 8px 2px}.app-topbar .brand-mark svg{width:20px;height:20px}
 .app-topbar .brand strong{font-size:23px}.app-topbar .account{max-width:96px}.account-tools{gap:4px}
 .app-topbar .account-copy{font-size:.85rem}.app-topbar .account-copy small{font-size:.8rem}
 .app-topbar .account-tools button{padding-inline:8px;font-size:.9rem}
 .workspace-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}
 .app-topbar .top-tools{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
 .app-topbar .display-controls{display:grid;grid-template-columns:1fr 1fr;grid-row:1;width:100%}
 .app-topbar .guide-shortcut{justify-self:start;padding-left:8px}
 .app-topbar .workspace-nav button{background:var(--inset)}
 .login-page{padding:16px 16px 28px}.login-masthead{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;margin-bottom:22px}
 .login-masthead .brand small{display:block}.login-masthead .display-controls{display:grid;grid-template-columns:1fr 1fr;width:100%;justify-self:stretch}
 .login-stage{border-radius:12px}.login-story{padding:22px 24px}.login-card.auth-form{padding:28px 24px}
 .login-card h2{font-size:1.4rem}.login-card-heading{margin-bottom:24px}.login-card .password-field button{padding-inline:10px}
 .side-scroll{grid-template-columns:1fr;gap:12px}.nav-group+.nav-group{border-top:1px solid var(--line);padding-top:10px}
 #workspace-main{padding:20px 16px 32px}
 .page-heading h1{font-size:1.4rem}.page-heading{margin-bottom:20px}.page-heading .page-eyebrow{font-size:.85rem}
 .workspace-summary{padding:16px 0;gap:0}.summary-icon{display:none}.summary-item{padding:0 12px}.summary-item dt{font-size:.85rem}.summary-item dd{font-size:1.45rem}
 .collection-toolbar,.collection-paging{padding:16px}.collection-count{padding:12px 16px}.collection-tools{display:grid;grid-template-columns:1fr;gap:12px}.collection-tools input,.collection-tools select{width:100%}
 .work-row{grid-template-columns:1fr 1fr;padding:20px 16px}.work-main{grid-column:1/-1}.list-number{flex-direction:row;align-items:center;justify-content:flex-start}.list-number strong{font-size:1rem}.work-row>button{width:100%}
 .research-row{grid-template-columns:1fr;padding:20px 16px}.question-actions{width:100%}.tabs{gap:4px;flex-wrap:wrap}.tabs button{font-size:.94rem;min-height:50px;padding:10px 8px}
 .collection-paging{align-items:flex-start}.collection-paging>.bar{width:100%;justify-content:space-between}
 .page-breadcrumb{gap:0;margin-inline:-8px}.page-breadcrumb button,.page-breadcrumb>span{font-size:.85rem}
}

.password-confirmation #confirmation-error{color:var(--error)}