@charset "UTF-8";
:root{font-family:Arial,Helvetica,sans-serif;color:var(--fg);background:var(--surface-2);font-synthesis:none;--navy:var(--accent);--deep:var(--accent);--navy-dark:var(--accent);--muted:var(--muted);--line:var(--line);--wash:var(--surface-2);--teal:var(--success);--red:var(--danger);--gold:var(--warning);--shadow:0 16px 60px #142d4517}
*{box-sizing:border-box}svg{width:20px;height:20px;flex:none;vertical-align:middle}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}input[name="username"]{text-transform:uppercase}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--navy)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--warning);outline-offset:3px}button{border:0}input,textarea,select{color:var(--fg);background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:11px 12px;min-width:0}textarea{resize:vertical;line-height:1.5}h1,h2,h3,h4{color:var(--navy);line-height:1.2}h1{font-size:30px}h2{font-size:22px}h3{font-size:16px}p{line-height:1.55}button svg,a svg{width:19px;height:19px;flex:none;stroke-width:1.7}.hidden{display:none!important}.muted{color:var(--muted)}.small{font-size:12px}.break{overflow-wrap:anywhere}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:fixed;top:-60px;left:10px;z-index:200;background:var(--surface);padding:12px;border-radius:8px}.skip-link:focus{top:10px}.boot{min-height:100dvh;display:grid;place-content:center;text-align:center;padding:30px}.boot img{width:180px;margin:auto}.boot p:first-of-type{font-size:25px;color:var(--navy);font-weight:bold}.row{display:flex;align-items:center;gap:10px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.stack{display:grid;gap:16px}.divider{border:0;border-top:1px solid var(--line);margin:20px 0}.eyebrow{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;font-weight:bold;color:var(--muted)}.pill{border:1px solid var(--line);border-radius:20px;padding:5px 9px;color:var(--muted);font-size:11px;display:inline-flex;align-items:center;gap:5px}.pill.green{color:var(--teal);background:var(--ok-wash);border-color:var(--line)}.pill.amber{color:var(--warning);background:var(--warn-wash);border-color:var(--warn-line)}.tag{font-size:10px;color:var(--muted);white-space:nowrap}.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.primary,.secondary,.danger,.quiet{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border-radius:9px;padding:10px 15px;font-size:13px;text-decoration:none;line-height:1.25}.primary{background:var(--navy);color:var(--surface)}.primary:hover{background:var(--accent)}.secondary{background:var(--surface);border:1px solid var(--line);color:var(--navy)}.secondary:hover{background:var(--surface-2)}.danger{background:var(--danger-wash);border:1px solid var(--line);color:var(--danger)}.quiet{background:transparent;color:var(--muted)}.quiet:hover{background:var(--surface-2);color:var(--navy)}.icon-button{width:40px;height:40px;padding:0;border-radius:9px;background:transparent;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;flex:none}.icon-button:hover{background:var(--surface-2);color:var(--navy)}.icon-button svg{width:19px;height:19px}.icon-button.active{background:var(--surface-2);color:var(--navy)}.language-switch{display:flex;padding:3px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.language-switch button{font-size:11px;padding:6px 8px;border-radius:5px;color:var(--muted);background:transparent}.language-switch button.active{background:var(--navy);color:white}.error-box{background:var(--danger-wash);border:1px solid var(--line);border-radius:10px;color:var(--danger);padding:12px 14px;font-size:13px;line-height:1.5}.notice{background:var(--surface-2);border:1px solid var(--line);padding:12px 14px;border-radius:10px;font-size:12px;color:var(--accent);line-height:1.55}.notice.warn{background:var(--warn-wash);border-color:var(--warn-line);color:var(--warning)}.field{display:grid;gap:7px;font-size:12px;color:var(--muted)}.field>span:first-child{font-weight:bold;color:var(--navy)}.field input,.field textarea,.field select{width:100%;font-size:14px}.field small{font-size:11px;line-height:1.5}.check-field{display:flex;align-items:flex-start;gap:9px;font-size:13px;line-height:1.5}.check-field input{margin-top:2px;width:17px;height:17px;accent-color:var(--navy)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid>.full{grid-column:1/-1}.empty-small{text-align:center;padding:30px 15px;color:var(--muted);font-size:13px;line-height:1.6}.empty-small svg{width:30px;height:30px;color:var(--muted);margin-bottom:12px}.loading-line{height:3px;background:linear-gradient(90deg,transparent,var(--muted),transparent);background-size:40% 100%;animation:loading 1.5s linear infinite}@keyframes loading{to{background-position:180% 0}}
/* Sign-in */
.login-page{min-height:100dvh;display:grid;grid-template-columns:1.08fr 1fr;background:var(--surface)}.login-story{position:relative;display:flex;flex-direction:column;justify-content:space-between;padding:50px 58px;background:var(--deep);overflow:hidden;color:var(--surface)}.login-story:before{content:"";position:absolute;inset:0;background:linear-gradient(150deg,#ffffff07 0,transparent 45%),repeating-linear-gradient(0deg,transparent 0 47px,#ffffff05 48px),repeating-linear-gradient(90deg,transparent 0 47px,#ffffff05 48px);pointer-events:none}.login-story>*{position:relative}.login-logo-card{width:166px;background:white;border-radius:12px;padding:13px 17px}.login-logo-card img{width:100%;display:block}.login-wordmark{font-size:13px;letter-spacing:1.5px;margin-top:22px;color:var(--line)}.login-story h1{color:var(--surface);font-size:clamp(35px,3.2vw,52px);font-weight:normal;letter-spacing:-1.8px;margin:60px 0 20px;max-width:460px}.login-story h1 strong{font-weight:bold;display:block}.login-story p{font-size:15px;color:var(--line);max-width:430px;line-height:1.7}.login-features{display:flex;gap:24px;margin-top:30px}.login-feature{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--line)}.login-feature svg{width:19px;height:19px}.login-footer{font-size:11px;color:var(--muted);margin-top:60px;line-height:1.7}.login-form-wrap{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:40px 54px;position:relative}.login-top{position:absolute;top:30px;right:34px}.login-form{width:100%;max-width:360px}.login-form h2{font-size:29px;margin-bottom:10px}.login-form>p{font-size:14px;color:var(--muted);margin:0 0 30px}.login-form form{display:grid;gap:20px}.login-form .primary{height:47px;font-size:14px;margin-top:4px}.login-brand-small{display:none}.login-detail{font-size:11px;color:var(--muted);line-height:1.7;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
/* Main desk */
.app-shell{height:100dvh;display:grid;grid-template-columns:252px minmax(0,1fr);overflow:hidden}.sidebar{background:var(--deep);color:var(--line);display:flex;flex-direction:column;min-width:0;overflow:hidden}.sidebar-brand{padding:22px 22px 19px;border-bottom:1px solid #ffffff15}.sidebar-brand .logo-block{display:flex;align-items:center;gap:11px}.sidebar-brand .logo-white{width:60px;height:48px;background:var(--surface);border-radius:6px;padding:6px;display:grid;place-items:center;flex:none}.sidebar-brand img{display:block;width:100%}.brand-name{font-size:17px;color:white;letter-spacing:-.3px;white-space:nowrap}.brand-name b{font-size:12px;vertical-align:top;margin-right:3px}.brand-caption{font-size:9px;letter-spacing:.8px;text-transform:uppercase;color:var(--line);margin-top:5px}.sidebar-new{margin:19px 16px 12px;background:var(--surface);color:var(--navy);justify-content:flex-start}.sidebar-section-heading{font-size:10px;letter-spacing:1.2px;font-weight:bold;text-transform:uppercase;color:var(--muted);padding:15px 22px 9px;display:flex;justify-content:space-between;align-items:center}.sidebar-section-heading button{background:transparent;color:var(--line);width:27px;height:27px;padding:0;display:grid;place-items:center;border-radius:5px}.sidebar-section-heading button:hover{background:#ffffff16}.sidebar-scroll{overflow:auto;flex:1;padding-bottom:16px;scrollbar-width:thin;scrollbar-color:var(--muted) transparent}.project-item,.thread-item{display:flex;align-items:center;gap:9px;color:var(--line);background:transparent;text-align:left;width:calc(100% - 24px);margin:3px 12px;border-radius:8px;padding:11px 11px;line-height:1.3;font-size:12px}.project-item svg,.thread-item svg{width:17px;height:17px;flex:none}.project-item:hover,.thread-item:hover{background:#ffffff0b}.project-item.active{background:#ffffff17;color:white}.project-item .item-name,.thread-item .item-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.project-item .shared-dot{width:5px;height:5px;border-radius:50%;background:var(--muted)}.thread-item{padding-left:19px;font-size:12px;color:var(--line)}.thread-item.active{background:#ffffff13;color:white}.sidebar-empty{color:var(--muted);font-size:11px;line-height:1.6;padding:12px 23px}.sidebar-bottom{padding:13px 14px 16px;border-top:1px solid #ffffff17}.sidebar-utility{display:flex;align-items:center;gap:9px;color:var(--line);background:transparent;padding:10px;border-radius:7px;font-size:12px;width:100%;text-align:left}.sidebar-utility:hover{background:#ffffff10}.sidebar-utility svg{width:17px;height:17px}.user-card{display:flex;align-items:center;gap:9px;padding:13px 8px 0}.avatar{width:32px;height:32px;border-radius:9px;background:var(--surface-2);color:var(--navy);display:grid;place-items:center;font-size:11px;font-weight:bold;flex:none}.user-card .user-label{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:125px}.user-card small{font-size:10px;color:var(--muted);display:block;margin-top:3px}.user-card .icon-button{color:var(--line);margin-left:auto;width:30px;height:30px}.user-card .icon-button:hover{background:#ffffff15}.work-shell{min-width:0;min-height:0;display:flex;flex-direction:column}.topbar{height:74px;min-height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:var(--surface);border-bottom:1px solid var(--line);gap:15px}.topbar-title-row{min-width:0}.project-title{min-width:0}.project-title h1{font-size:15px;margin:0;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;max-width:min(34vw,460px)}.project-title p{font-size:11px;color:var(--muted);margin:5px 0 0}.topbar-actions{display:flex;align-items:center;gap:9px;flex:none}.mobile-menu{display:none}.workspace-toggle{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--navy);padding:9px 11px;border:1px solid var(--line);background:var(--surface);border-radius:8px}.workspace-toggle.active{background:var(--surface-2)}.connection-banner{padding:8px 16px;text-align:center;background:var(--warn-wash);color:var(--warning);font-size:12px;border-bottom:1px solid var(--warning)}.desk-body{flex:1;min-height:0;min-width:0;display:flex}.conversation{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--surface);position:relative}.conversation-toolbar{height:60px;min-height:60px;padding:0 30px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--surface-2)}.mode-switch{display:flex;gap:4px;background:var(--surface-2);padding:4px;border-radius:9px}.mode-switch button{display:flex;align-items:center;gap:7px;border-radius:6px;padding:8px 14px;background:transparent;color:var(--muted);font-size:12px}.mode-switch button.active{color:var(--navy);background:var(--surface);box-shadow:0 1px 4px #142d4512}.mode-switch svg{width:16px;height:16px}.thread-meta{font-size:11px;color:var(--muted);max-width:35%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.messages{flex:1;min-height:0;overflow:auto;padding:25px max(30px,calc((100% - 790px)/2));scroll-behavior:smooth;overscroll-behavior:contain}.welcome{max-width:760px;margin:auto;padding:clamp(35px,7vh,85px) 14px 35px}.welcome-symbol{width:56px;height:56px;display:grid;place-items:center;border-radius:16px;background:var(--surface-2);color:var(--navy);margin-bottom:25px}.welcome-symbol svg{width:28px;height:28px}.welcome .eyebrow{font-size:10px;color:var(--muted);margin-bottom:12px}.welcome h2{font-size:clamp(25px,2.4vw,35px);font-weight:normal;letter-spacing:-.7px;margin:0 0 14px}.welcome h2 strong{font-weight:bold}.welcome>p{font-size:14px;color:var(--muted);line-height:1.7;max-width:560px;margin:0}.starter-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:31px}.starter{background:var(--surface);border:1px solid var(--line);border-radius:12px;display:flex;gap:12px;align-items:flex-start;text-align:left;padding:17px;min-height:101px;color:var(--fg);transition:background .15s,border-color .15s}.starter:hover{background:var(--surface-2);border-color:var(--muted)}.starter svg{color:var(--navy);width:20px;height:20px;margin-top:2px;flex:none}.starter b{display:block;font-size:12px;color:var(--navy);margin-bottom:6px}.starter span{display:block;font-size:11px;color:var(--muted);line-height:1.5}.workspace-note{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted);margin-top:22px}.workspace-note svg{width:14px;height:14px}.message{display:flex;gap:13px;margin:0 0 26px;min-width:0}.message-avatar{width:30px;height:30px;border-radius:8px;background:var(--surface-2);color:var(--navy);display:grid;place-items:center;flex:none;font-size:10px;font-weight:bold}.message-avatar.assistant{background:var(--navy);color:white}.message-avatar.system{background:var(--warn-wash);color:var(--warning)}.message-content{flex:1;min-width:0}.message-byline{display:flex;align-items:center;gap:10px;margin:2px 0 8px;font-size:11px;color:var(--navy);font-weight:bold}.message-byline time{font-size:10px;font-weight:normal;color:var(--muted)}.message-body{font-size:14px;line-height:1.7;overflow-wrap:anywhere}.message-body p{margin:0 0 12px}.message-body p:last-child{margin-bottom:0}.message.user .message-body{background:var(--surface-2);padding:13px 16px;border-radius:0 12px 12px 12px}.message-body h1{font-size:21px}.message-body h2{font-size:18px}.message-body h3{font-size:16px}.message-body pre{white-space:pre-wrap;background:var(--surface-2);padding:13px;border:1px solid var(--line);border-radius:8px;font-size:12px;overflow-wrap:anywhere}.message-body code{font-family:Arial,Helvetica,sans-serif;background:var(--surface-2);padding:2px 4px;border-radius:4px;font-size:12px}.message-body pre code{background:transparent;padding:0}.message-body ul,.message-body ol{padding-left:22px}.message-body table{border-collapse:collapse;display:block;overflow:auto;max-width:100%;font-size:12px;margin:12px 0}.message-body td,.message-body th{padding:9px 12px;border:1px solid var(--line);min-width:80px}.message-body th{color:var(--navy);background:var(--surface-2);text-align:left}.attachment-links{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}.attachment-links a{font-size:11px;background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:6px 9px;text-decoration:none;display:flex;align-items:center;gap:6px;max-width:100%;overflow-wrap:anywhere}.attachment-links svg{width:13px;height:13px}.job-status{margin:0 0 20px 43px;display:flex;gap:9px;align-items:center;font-size:12px;color:var(--navy)}.job-status .spinner{width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--navy);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.composer-area{padding:15px max(30px,calc((100% - 790px)/2)) 16px;background:var(--surface)}.composer-box{border:1px solid var(--line);box-shadow:0 4px 16px #1d466d06;border-radius:14px;background:var(--surface)}.composer-box:focus-within{border-color:var(--muted);box-shadow:0 0 0 3px #dce8f24d}.composer-box textarea{border:0;box-shadow:none;outline:none!important;width:100%;resize:none;min-height:68px;max-height:200px;padding:16px 18px 8px;border-radius:14px;font-size:14px;background:transparent}.composer-box textarea::placeholder{color:var(--muted)}.composer-footer{display:flex;align-items:center;justify-content:space-between;padding:4px 9px 9px;gap:8px}.composer-help{font-size:10px;color:var(--muted);padding-left:4px}.send-button{width:37px;height:37px;display:grid;place-items:center;border-radius:10px;background:var(--navy);color:var(--surface)}.send-button.stop{background:var(--danger)}.send-button svg{width:18px;height:18px}.composer-caption{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:9px;gap:8px}.attachment-chips{display:flex;gap:6px;flex-wrap:wrap;padding:9px 12px 0}.attachment-chip{display:flex;gap:6px;align-items:center;max-width:220px;border:1px solid var(--line);border-radius:7px;background:var(--surface-2);padding:5px 7px;font-size:10px;color:var(--muted)}.attachment-chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-chip button{display:grid;place-items:center;width:20px;height:20px;background:transparent;color:var(--muted);flex:none}.attachment-chip svg{width:12px;height:12px}.project-drag{position:absolute;inset:0;z-index:20;background:#eef5fbea;display:grid;place-items:center;border:3px dashed var(--muted);margin:8px;border-radius:14px;font-size:18px;color:var(--navy);pointer-events:none}
/* Workspace drawer */
.workspace-panel{width:330px;flex:none;min-height:0;background:var(--surface-2);border-left:1px solid var(--line);display:flex;flex-direction:column}.workspace-panel.closed{display:none}.panel-head{height:60px;min-height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}.panel-head h2{font-size:13px;margin:0}.panel-tabs{display:flex;border-bottom:1px solid var(--line);padding:0 8px;background:var(--surface)}.panel-tabs button{flex:1;min-width:0;padding:12px 2px;border-bottom:2px solid transparent;background:transparent;font-size:10px;color:var(--muted)}.panel-tabs button.active{color:var(--navy);border-bottom-color:var(--navy);font-weight:bold}.panel-tabs svg{width:15px;height:15px;margin:0 auto 4px;display:block}.panel-content{padding:18px 15px;overflow:auto;flex:1;min-height:0}.panel-intro{font-size:11px;color:var(--muted);line-height:1.6;margin:0 0 16px}.file-card{display:flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:11px;margin:9px 0}.file-icon{width:32px;height:36px;border-radius:6px;background:var(--surface-2);color:var(--navy);display:grid;place-items:center;flex:none}.file-icon svg{width:17px;height:17px}.file-info{flex:1;min-width:0}.file-info button{background:transparent;color:var(--accent);padding:0;text-align:left;display:block;font-size:11px;overflow-wrap:anywhere;line-height:1.4}.file-info small{color:var(--muted);font-size:10px;display:block;margin-top:4px}.file-card .icon-button{width:27px;height:30px}.file-card .icon-button svg{width:15px;height:15px}.panel-upload{width:100%;border:1px dashed var(--muted);padding:13px;font-size:11px;min-height:44px;color:var(--navy);background:var(--surface-2);border-radius:9px;display:flex;align-items:center;justify-content:center;gap:7px}.panel-upload svg{width:16px;height:16px}.tool-search{position:relative;margin-bottom:13px}.tool-search input{font-size:12px;padding:10px 12px 10px 34px;width:100%;border-radius:9px}.tool-search>svg{position:absolute;left:11px;top:11px;width:15px;height:15px;color:var(--muted)}.tool-card{width:100%;border:1px solid var(--line);border-radius:9px;background:var(--surface);margin-bottom:8px;padding:12px;text-align:left;color:var(--fg)}.tool-card:hover{border-color:var(--muted)}.tool-card h3{font-size:12px;margin:3px 0 7px;overflow-wrap:anywhere}.tool-card p{font-size:11px;color:var(--muted);line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.tool-card .tool-group{font-size:9px;color:var(--muted);letter-spacing:.6px;text-transform:uppercase}.tool-card .pill{font-size:9px;padding:3px 6px;margin-top:9px}.tool-count{font-size:10px;color:var(--muted);margin-bottom:12px}.activity-event{position:relative;padding:0 0 20px 23px;border-left:1px solid var(--line);margin-left:5px}.activity-event:last-child{border:0}.activity-event:before{content:"";position:absolute;left:-4px;top:3px;width:7px;height:7px;border-radius:50%;background:var(--muted);border:2px solid var(--surface-2)}.activity-event.kind-complete:before{background:var(--teal)}.activity-event.kind-error:before{background:var(--red)}.activity-event h3{font-size:11px;margin:0 0 5px}.activity-event p{font-size:11px;color:var(--muted);margin:0;line-height:1.55;overflow-wrap:anywhere}.activity-event time{display:block;font-size:9px;color:var(--muted);margin-top:6px}.approval-card{background:var(--warn-wash);border:1px solid var(--warn-line);border-radius:10px;padding:14px;margin:14px 0;font-size:12px}.approval-card h3{font-size:13px;margin:0 0 9px}.approval-card p{font-size:11px;color:var(--warning);margin:0 0 12px}.approval-card button{font-size:11px;min-height:36px}.solver-card{width:100%;display:flex;align-items:flex-start;gap:10px;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:14px;text-align:left;margin-bottom:10px}.solver-card svg{width:19px;height:19px;color:var(--navy);margin-top:2px;flex:none}.solver-card h3{font-size:12px;margin:0 0 6px}.solver-card p{font-size:11px;color:var(--muted);margin:0;line-height:1.5}.solver-result{margin-top:22px;border-top:1px solid var(--line);padding-top:20px}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}.result-item{padding:13px 15px;background:var(--surface-2);border:1px solid var(--line);border-radius:10px}.result-item small{color:var(--muted);font-size:11px}.result-item strong{display:block;color:var(--navy);font-size:21px;margin-top:6px;overflow-wrap:anywhere}.result-item strong span{font-size:11px;margin-left:5px;font-weight:normal}.result-sources{font-size:11px;line-height:1.65;margin-top:14px;color:var(--muted)}.result-sources a{overflow-wrap:anywhere}.equations{font-size:12px;color:var(--muted);background:var(--surface-2);padding:12px;border-radius:8px;line-height:1.7;overflow-wrap:anywhere}.backend-status{border-top:1px solid var(--line);padding:12px 15px;font-size:10px;color:var(--muted);display:flex;align-items:center;gap:6px;background:var(--surface-2)}.backend-status .badge-dot{color:var(--success)}
/* Modals and utility pages */
.modal-backdrop{position:fixed;inset:0;background:#10283e66;backdrop-filter:blur(3px);z-index:100;display:flex;align-items:center;justify-content:center;padding:24px}.modal{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);width:100%;max-width:580px;max-height:calc(100dvh - 48px);display:flex;flex-direction:column}.modal.wide{max-width:880px}.modal.large{max-width:1120px}.modal-header{padding:19px 24px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:15px}.modal-header h2{margin:0;font-size:19px}.modal-body{padding:23px 24px;overflow:auto;min-height:0}.modal-footer{padding:16px 24px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:9px;background:var(--surface-2);border-radius:0 0 16px 16px}.modal form{display:grid;gap:17px}.modal-subtitle{font-size:13px;line-height:1.65;color:var(--muted);margin:0 0 20px}.modal .field textarea{min-height:90px}.dialog-tabs{display:flex;gap:5px;background:var(--surface-2);padding:5px;border-radius:9px;margin-bottom:20px;overflow:auto}.dialog-tabs button{padding:9px 14px;background:transparent;color:var(--muted);border-radius:6px;font-size:12px;white-space:nowrap}.dialog-tabs button.active{background:var(--surface);color:var(--navy);box-shadow:0 1px 4px #142d4510}.profile-option{width:100%;display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:12px;text-align:left;color:var(--fg)}.profile-option.active{border-color:var(--muted);background:var(--surface-2)}.profile-option strong{display:block;color:var(--navy);font-size:13px}.profile-option small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.table-wrap{max-width:100%;overflow:auto}.data-table{width:100%;border-collapse:collapse;font-size:12px}.data-table th{color:var(--navy);background:var(--surface-2);text-align:left;padding:11px 12px;font-size:10px;letter-spacing:.4px;text-transform:uppercase;white-space:nowrap}.data-table td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6}.data-table .row{gap:4px}.data-table .icon-button{width:30px;height:30px}.data-table .icon-button svg{width:15px;height:15px}.user-admin-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.user-admin-heading h3{margin:0;font-size:15px}.contact-card{border:1px solid var(--line);border-radius:10px;padding:16px;background:var(--surface)}.contact-card h3{margin:0 0 6px;font-size:14px}.contact-card p{font-size:12px;color:var(--muted);margin:4px 0;overflow-wrap:anywhere}.contacts-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.feedback-card{border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:12px}.feedback-card header{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted)}.feedback-card p{font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere}.feedback-card footer{font-size:11px;color:var(--muted)}.args-list{display:grid;grid-template-columns:minmax(100px,1fr) 2fr;gap:0;font-size:12px;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:14px 0}.args-list dt,.args-list dd{margin:0;padding:9px 12px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.args-list dt{color:var(--navy);background:var(--surface-2)}.args-list dd{white-space:pre-wrap}.args-list>:nth-last-child(-n+2){border:0}.file-preview{width:100%;min-height:60vh;border:1px solid var(--line);border-radius:8px;background:var(--surface-2)}.image-preview{max-width:100%;max-height:70vh;object-fit:contain;display:block;margin:auto}.text-preview{white-space:pre-wrap;font-family:Arial,Helvetica,sans-serif;font-size:12px;line-height:1.6;overflow-wrap:anywhere}.parameter-group{border:1px solid var(--line);border-radius:10px;padding:15px;display:grid;gap:14px}.parameter-group legend{color:var(--navy);font-size:12px;padding:0 6px}.tool-description{font-size:12px;line-height:1.6;color:var(--muted);white-space:pre-line;margin-bottom:20px}#toast-root{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:150;width:min(90vw,520px);pointer-events:none}.toast{background:var(--accent);color:var(--surface);border:1px solid #ffffff22;box-shadow:0 8px 30px #10283e25;border-radius:10px;padding:13px 17px;font-size:12px;line-height:1.5;margin-top:8px;overflow-wrap:anywhere}.toast.error{background:var(--danger)}.sidebar-shade{display:none}
@media(min-width:1600px){.app-shell{grid-template-columns:275px minmax(0,1fr)}.workspace-panel{width:360px}.sidebar-brand{padding-left:26px}.messages,.composer-area{padding-left:max(40px,calc((100% - 860px)/2));padding-right:max(40px,calc((100% - 860px)/2))}}
@media(max-width:1180px){.workspace-panel{position:absolute;right:0;top:74px;bottom:0;z-index:30;box-shadow:-12px 0 45px #18344b12;width:350px}.workspace-panel.closed{display:none}.app-shell{grid-template-columns:230px minmax(0,1fr)}.sidebar-brand{padding-left:17px;padding-right:15px}.brand-name{font-size:15px}.sidebar-brand .logo-white{width:53px}.topbar{padding-left:22px;padding-right:22px}.conversation-toolbar{padding:0 24px}.messages,.composer-area{padding-left:24px;padding-right:24px}.welcome{padding-top:50px}.project-title h1{max-width:40vw}.login-story{padding:40px}.login-story h1{font-size:40px}.login-form-wrap{padding:38px}}
@media(max-width:780px){.app-shell{grid-template-columns:minmax(0,1fr)}.sidebar{position:fixed;left:0;top:0;bottom:0;width:275px;z-index:65;transform:translateX(-100%);transition:transform .18s}.app-shell.sidebar-open .sidebar{transform:translateX(0)}.app-shell.sidebar-open .sidebar-shade{display:block;position:fixed;inset:0;background:#10283e66;z-index:60;border:0}.mobile-menu{display:flex}.topbar{height:66px;min-height:66px;padding:0 13px;gap:8px}.topbar-actions{gap:5px}.project-title h1{font-size:13px;max-width:36vw}.project-title p{font-size:10px}.topbar .language-switch button{padding:5px 7px}.workspace-toggle{padding:9px;font-size:0;gap:0}.workspace-toggle svg{width:18px;height:18px}.topbar-actions>.feedback-shortcut{display:none}.workspace-panel{top:66px;width:min(100%,390px)}.conversation-toolbar{height:57px;min-height:57px;padding:0 16px}.mode-switch button{padding:7px 13px;font-size:11px}.messages{padding:21px 17px}.composer-area{padding:11px 13px calc(11px + env(safe-area-inset-bottom))}.composer-caption{font-size:9px}.composer-help{font-size:9px}.welcome{padding:33px 6px 25px}.welcome h2{font-size:29px}.welcome>p{font-size:13px}.starter-grid{gap:9px;margin-top:23px}.starter{padding:13px;min-height:110px;display:block}.starter svg{width:18px;height:18px;margin-bottom:8px}.starter b{font-size:11px}.starter span{font-size:10px}.welcome-symbol{width:46px;height:46px;border-radius:12px;margin-bottom:19px}.workspace-note{font-size:10px}.message{gap:10px;margin-bottom:22px}.message-avatar{width:27px;height:27px}.message-body{font-size:13px}.message.user .message-body{padding:11px 13px}.job-status{margin-left:37px}.thread-meta{max-width:29%;font-size:10px}.login-page{grid-template-columns:1fr;min-height:100dvh}.login-story{display:none}.login-form-wrap{padding:82px 27px 32px}.login-form{max-width:390px}.login-form h2{font-size:27px}.login-brand-small{display:block;width:130px;margin-bottom:32px}.login-brand-small img{width:100%}.login-top{right:24px;top:25px}.login-detail{margin-top:26px}.modal-backdrop{padding:12px}.modal{max-height:calc(100dvh - 24px);border-radius:13px}.modal-header{padding:16px 17px 13px}.modal-header h2{font-size:17px}.modal-body{padding:19px 17px}.modal-footer{padding:13px 17px}.form-grid{gap:13px}.contacts-grid{grid-template-columns:1fr}.data-table{font-size:11px}.data-table td,.data-table th{padding:9px}.modal .primary,.modal .secondary{font-size:12px}.args-list{grid-template-columns:1fr}.args-list dt{border-bottom:0}.args-list dd{border-bottom:1px solid var(--line)!important}.args-list dd:last-child{border:0!important}.dialog-tabs button{font-size:11px;padding:8px 12px}.user-admin-heading{flex-wrap:wrap}.file-preview{min-height:55vh}}
@media(max-width:420px){.topbar{gap:5px;padding:0 8px}.project-title h1{max-width:31vw}.project-title p{font-size:9px}.topbar .icon-button{width:34px;height:36px}.topbar-actions{gap:4px}.topbar .language-switch button{padding:5px 6px}.welcome h2{font-size:26px}.starter-grid{grid-template-columns:1fr}.starter{display:flex;min-height:78px;padding:13px;gap:10px}.starter svg{margin-top:2px}.starter span{font-size:11px}.composer-help{display:none}.composer-caption span:last-child{max-width:48%;text-align:right}.form-grid{grid-template-columns:1fr}.form-grid>.full{grid-column:auto}.modal-footer{flex-wrap:wrap}.modal-footer .primary{flex:1}.mode-switch button{padding:7px 12px}.result-grid{grid-template-columns:1fr}.workspace-panel{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
@media print{.sidebar,.topbar,.workspace-panel,.conversation-toolbar,.composer-area,.modal-backdrop,#toast-root{display:none!important}.app-shell,.work-shell,.desk-body,.conversation,.messages{display:block;height:auto;overflow:visible}.messages{padding:0}.message{break-inside:avoid}.message-body{font-size:11pt}body{background:white}@page{size:A4;margin:20mm}}

/* Existing EE and Cove marks accompany the exact product name. */
.product-brand{display:flex;align-items:center;gap:10px}.cove-brand-mark{width:30px;height:30px;object-fit:contain;flex:none}.ee-brand-strip{width:126px;background:var(--surface);padding:8px 10px;border-radius:7px;margin-bottom:16px}.ee-brand-strip img{display:block;width:100%}.sidebar-brand .product-brand{gap:10px}.sidebar-brand .cove-brand-mark{width:34px;height:34px}.sidebar-brand .brand-name{font-size:16px;line-height:1.25;white-space:normal}.sidebar-brand .brand-caption{font-size:9px;letter-spacing:.6px}.login-wordmark.product-brand{letter-spacing:.7px;font-size:13px}.login-wordmark .cove-brand-mark{width:36px;height:36px}.login-form>.product-brand{letter-spacing:.8px;line-height:1.5}.login-form>.product-brand .cove-brand-mark{width:28px;height:28px}.welcome>.product-brand{letter-spacing:.7px}.welcome>.product-brand .cove-brand-mark{width:22px;height:22px}.message-avatar.assistant{background:transparent}.message-avatar.assistant img{width:30px;height:30px;object-fit:contain}.boot .product-brand{justify-content:center}.boot .cove-brand-mark{width:32px;height:32px;margin:0}@media(max-width:780px){.sidebar-brand .brand-name{font-size:17px}.message-avatar.assistant img{width:27px;height:27px}.login-form>.product-brand{font-size:10px;letter-spacing:.6px}}
/* Readable local math fallback; complete source remains available for review. */
.math-block{margin:16px 0;padding:14px 16px;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;max-width:100%;overflow:hidden}.math-equation{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-size:15px;padding:3px 0 10px}.math-inline{white-space:normal;overflow-wrap:anywhere;background:transparent;color:inherit;padding:0;border-radius:2px;border-bottom:1px dotted var(--muted);line-height:inherit;max-width:100%;text-align:inherit}.math-source summary{font-size:11px;color:var(--muted);cursor:pointer;padding:5px 0}.message-body .math-source pre{margin:7px 0 0;font-size:11px;line-height:1.6;background:var(--surface)}.math-unsupported{border-bottom:1px dotted var(--muted)}

/* ===== Cove design layer (2026-11-12): tokens, type and motion from the Cove desktop app (app/src/styles.css, Codex aesthetics pass).
   Fonts: SIL OFL 1.1, licence files in /fonts/. Cyrillic falls back to the system sans/serif (the subsets are Latin only). ===== */
@font-face{font-family:"Figtree";font-style:normal;font-weight:400;font-display:swap;src:url("/fonts/figtree-latin-400-normal.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:"Figtree";font-style:normal;font-weight:500;font-display:swap;src:url("/fonts/figtree-latin-500-normal.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:"Figtree";font-style:normal;font-weight:600;font-display:swap;src:url("/fonts/figtree-latin-600-normal.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:"Figtree";font-style:normal;font-weight:700;font-display:swap;src:url("/fonts/figtree-latin-700-normal.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:"Figtree";font-style:normal;font-weight:400;font-display:swap;src:url("/fonts/figtree-latin-ext-400-normal.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Figtree";font-style:normal;font-weight:500;font-display:swap;src:url("/fonts/figtree-latin-ext-500-normal.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Figtree";font-style:normal;font-weight:600;font-display:swap;src:url("/fonts/figtree-latin-ext-600-normal.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Figtree";font-style:normal;font-weight:700;font-display:swap;src:url("/fonts/figtree-latin-ext-700-normal.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:500;font-display:swap;src:url("/fonts/newsreader-latin-500-normal.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+20AC, U+2122, U+FEFF, U+FFFD}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:600;font-display:swap;src:url("/fonts/newsreader-latin-600-normal.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+20AC, U+2122, U+FEFF, U+FFFD}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:500;font-display:swap;src:url("/fonts/newsreader-latin-ext-500-normal.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+A720-A7FF}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:600;font-display:swap;src:url("/fonts/newsreader-latin-ext-600-normal.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+A720-A7FF}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");unicode-range:U+0000-00FF, U+2000-206F}
:root{
  --bg:#f3f0ea;--sidebar:#e8e4dc;--surface:#fbf9f5;--surface-2:#efebe3;--fg:#1c1b18;--muted:#5c5951;--subtle:#68655e;
  --accent:#3a4456;--accent-fg:#fbf9f5;--line:#ddd6c8;--ring:#3a4456;--danger:#8f3d32;--success:#3f5c4a;--warning:#8a5a12;
  --danger-wash:#f6e9e6;--warn-wash:#f7eedd;--warn-line:#e4d0a8;--ok-wash:#e7eee8;--motion:#a84b25;
  --well:#2f3644;--well-fg:#f3f1ec;
  --shadow-border:0 0 0 1px rgb(28 27 24 / .06),0 1px 2px -1px rgb(28 27 24 / .06),0 2px 4px 0 rgb(28 27 24 / .04);
  --shadow-window:0 0 0 1px rgb(28 27 24 / .06),0 12px 40px -12px rgb(28 27 24 / .18);
  --ease:cubic-bezier(.22,1,.36,1);
  /* legacy EE names now resolve to Cove tokens */
  --navy:var(--accent);--deep:var(--sidebar);--navy-dark:var(--accent);--wash:var(--bg);--teal:var(--success);--red:var(--danger);--gold:var(--warning);--shadow:var(--shadow-window);
  font-family:"Figtree",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--fg);background:var(--bg);color-scheme:light
}
@media (prefers-color-scheme:dark){:root{
  --bg:#16171a;--sidebar:#1b1c20;--surface:#212226;--surface-2:#2a2b30;--fg:#ecebe6;--muted:#b0aea6;--subtle:#9c9a92;
  --accent:#cfd6e3;--accent-fg:#16171a;--line:#3a3b41;--ring:#9fb4d4;--danger:#f0958b;--success:#8fc9a3;--warning:#e2b766;
  --danger-wash:#3a2422;--warn-wash:#352c1c;--warn-line:#5a4826;--ok-wash:#1f2c24;--motion:#e8956e;--well:#0f1013;--well-fg:#e6e4de;
  --shadow-border:0 0 0 1px rgb(0 0 0 / .35),0 1px 2px -1px rgb(0 0 0 / .4);--shadow-window:0 0 0 1px rgb(255 255 255 / .06),0 16px 48px -12px rgb(0 0 0 / .6);
  color-scheme:dark}}
body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}
h1,h2,h3,.boot p:first-of-type{font-family:"Newsreader",ui-serif,Georgia,serif;font-weight:500;color:var(--fg);letter-spacing:-.01em}
h3{font-family:inherit;font-weight:600}
code,pre,kbd,samp{font-family:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace}
input,textarea,select{background:var(--surface);color:var(--fg);border-color:var(--line);border-radius:.75rem}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--ring);outline-offset:2px}
.primary{background:var(--accent);color:var(--accent-fg);border-radius:.75rem;transition:filter .15s var(--ease)}
.primary:hover{background:var(--accent);filter:brightness(1.12)}
.secondary{background:var(--surface);border:1px solid var(--line);color:var(--fg);border-radius:.75rem;box-shadow:var(--shadow-border)}
.secondary:hover{background:var(--surface-2)}
.danger{background:var(--danger-wash);border-color:var(--danger);color:var(--danger);border-radius:.75rem}
.quiet:hover{background:var(--surface-2);color:var(--fg)}
a{color:var(--accent)}
/* sidebar: light paper panel as in the desktop app */
.sidebar{background:var(--sidebar);color:var(--fg);border-right:1px solid var(--line)}
.sidebar-brand{border-bottom:1px solid var(--line)}
.sidebar-brand .logo-white{background:var(--surface);box-shadow:var(--shadow-border)}
.sidebar-new{background:var(--surface);color:var(--fg);box-shadow:var(--shadow-border)}
.sidebar-section-heading{color:var(--subtle)}
.sidebar-section-heading button{color:var(--muted)}
.sidebar-section-heading button:hover,.sidebar-utility:hover{background:var(--surface-2)}
.sidebar-scroll{scrollbar-color:var(--line) transparent}
.sidebar-empty{color:var(--subtle)}
.sidebar-bottom{border-top:1px solid var(--line)}
.sidebar-utility{color:var(--muted)}
.sidebar-utility svg{color:var(--motion)}
.sidebar-open .sidebar-shade{background:rgb(28 27 24 / .35)}
/* motion: orange only for live work, as in the desktop app */
.loading-line{background:linear-gradient(90deg,transparent,var(--motion),transparent);background-size:40% 100%;background-repeat:no-repeat}
.send-button.stop,.badge-dot{color:var(--motion)}
.cove-work-dots{display:inline-flex;gap:4px;align-items:center;color:var(--motion)}
.cove-work-dots i{display:block;width:4px;height:4px;border-radius:50%;background:currentColor;opacity:.45;animation:cove-work-breathe 1.5s ease-in-out infinite}
.cove-work-dots i:nth-child(2){animation-delay:.18s}.cove-work-dots i:nth-child(3){animation-delay:.36s}
@keyframes cove-work-breathe{50%{opacity:1;transform:translateY(-1px)}0%,100%{opacity:.6;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
/* brand panel = the desktop's dark well in both themes */
.login-page{background:var(--surface)}
.login-story{background:var(--well);color:var(--well-fg)}
.login-story h1{color:var(--well-fg)}
.login-story p,.login-feature,.login-wordmark{color:color-mix(in srgb,var(--well-fg) 78%,transparent)}
.login-footer{color:color-mix(in srgb,var(--well-fg) 60%,transparent)}
/* remaining light-only literals -> tokens */
.skip-link,.topbar{background:var(--surface)}
.language-switch button.active{background:var(--accent);color:var(--accent-fg)}
.brand-name{color:var(--fg)}
.project-item,.thread-item{color:var(--muted)}
.project-item:hover,.thread-item:hover{background:var(--surface-2);color:var(--fg)}
.project-item.active,.thread-item.active{background:var(--surface);color:var(--fg);box-shadow:var(--shadow-border)}
.brand-caption{color:var(--subtle)}

/* the EE logo is drawn for a white ground: keep its card white in both themes */
.login-logo-card,.sidebar-brand .logo-white{background:#fff}
.mode-switch button.active{background:var(--surface);color:var(--fg);box-shadow:var(--shadow-border)}
.workspace-toggle{color:var(--fg)}
/* BRS 2026-11-12: the EE logo always sits on white, in light and dark mode */
.ee-brand-strip,.login-logo-card,.sidebar-brand .logo-white,.boot img{background:#fff}
.boot img[src="/ee-logo.png"]{padding:12px 16px;border-radius:12px;box-sizing:content-box}
/* guide hover */
.guide-tip{position:fixed;z-index:300;max-width:260px;padding:8px 10px;border-radius:.6rem;background:var(--well);color:var(--well-fg);box-shadow:var(--shadow-window);font-size:12px;line-height:1.4;pointer-events:none;display:grid;gap:2px;animation:guide-in .12s var(--ease)}
.guide-tip[hidden]{display:none}
.guide-tip strong{font-weight:600}
.guide-tip span{opacity:.82}
@keyframes guide-in{from{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:none}}
.activity-event.flash{background:var(--warn-wash);border-radius:.6rem;transition:background .6s var(--ease)}
/* loading screen: live motion while the workspace opens (Cove desktop work indicator) */
.boot .cove-brand-mark{background:none;padding:0}
.boot-status{display:inline-flex;align-items:center;justify-content:center;gap:10px;color:var(--muted)}
.boot-track{width:180px;height:2px;margin:6px auto 0;border-radius:2px;background:var(--line);overflow:hidden}
.boot-track i{display:block;width:30%;height:100%;background:var(--motion);border-radius:2px;animation:boot-travel 1.4s ease-in-out infinite}
@keyframes boot-travel{0%{transform:translateX(-100%)}100%{transform:translateX(340%)}}
.tool-card .tool-id{display:block;margin-top:2px;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10px;color:var(--subtle);overflow-wrap:anywhere}
/* Conversation rename / archive / delete (BRS 2026-11-12). Controls appear on hover or keyboard focus; always visible on touch. */
.thread-row{position:relative;display:flex;align-items:center}
.thread-row .thread-item{flex:1;min-width:0}
.thread-row .thread-actions{position:absolute;right:16px;top:50%;transform:translateY(-50%);display:flex;gap:2px;opacity:0;pointer-events:none;transition:opacity .12s}
.thread-row:hover .thread-actions,.thread-row:focus-within .thread-actions{opacity:1;pointer-events:auto}
.thread-row:hover .thread-item .item-name,.thread-row:focus-within .thread-item .item-name{padding-right:92px}
.thread-actions .icon-button{width:28px;height:28px;min-width:28px;padding:5px;color:var(--line);background:transparent}
.thread-actions .icon-button:hover{background:#ffffff17;color:white}
.thread-actions .icon-button svg{width:15px;height:15px}
.sidebar-archive-toggle{display:flex;align-items:center;gap:7px;margin:10px 12px 2px;padding:7px 11px;background:transparent;color:var(--subtle);font-size:11px;letter-spacing:.04em;text-transform:uppercase;border-radius:8px;width:calc(100% - 24px);text-align:left}
.sidebar-archive-toggle svg{width:13px;height:13px;transition:transform .15s}
.sidebar-archive-toggle[aria-expanded="true"] svg{transform:rotate(90deg)}
.sidebar-archive-toggle:hover{background:#ffffff0b;color:var(--line)}
@media (hover:none){.thread-row .thread-actions{opacity:1;pointer-events:auto}.thread-row .thread-item .item-name{padding-right:92px}}

/* Copy answer (Claude Desktop parity) */
.message-actions{display:flex;gap:4px;margin-top:6px;opacity:.55;transition:opacity .12s}
.message:hover .message-actions,.message-actions:focus-within{opacity:1}
.message-actions .icon-button{width:28px;height:28px;min-width:28px;padding:5px}
.message-actions .icon-button svg{width:15px;height:15px}

/* Long generated file names: two lines at most, full name on hover (smoke test 2026-11-12) */
.file-card .file-info{min-width:0}
.file-card .file-info button{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-all;text-align:left}
/* EE logo always on white (BRS), also on the small-screen login in dark mode (smoke test 2026-11-12) */
.login-brand-small{background:#fff;border-radius:12px;padding:10px 14px;box-sizing:border-box}
.login-brand-small img{display:block}

/* Progress bar and step list for running jobs (BRS 2026-11-13) */
.job-bar{position:relative;height:6px;border-radius:3px;background:var(--line,#e3e8ef);overflow:hidden;margin:8px 0 4px}
.job-bar span{display:block;height:100%;background:var(--accent,#1f4e79);transition:width .4s ease}
.job-bar b{position:absolute;right:0;top:-18px;font-size:11px;font-weight:600;color:var(--muted,#5b6b7c)}
.job-bar.indeterminate span{width:30%;animation:job-bar-slide 1.2s ease-in-out infinite}
@keyframes job-bar-slide{0%{transform:translateX(-100%)}100%{transform:translateX(340%)}}
.job-steps{list-style:none;margin:4px 0 6px;padding:0;font-size:13px}
.job-steps li{display:flex;align-items:center;gap:8px;padding:2px 0;color:var(--muted,#5b6b7c)}
.job-steps li.step-active,.job-steps li.step-tool{color:inherit;font-weight:500}
.job-steps li.step-done{color:var(--muted,#5b6b7c)}
.job-steps .tick{color:#2e7d32;width:14px;text-align:center}
.job-steps .dot{width:6px;height:6px;border-radius:50%;background:var(--line,#c8d1dc);margin:0 4px}
@media (prefers-reduced-motion: reduce){.job-bar.indeterminate span{animation:none;width:100%;opacity:.4}}

/* Service banner, e.g. low RunPod GPU credit (BRS 2026-11-13) */
.service-notice{margin:8px 0 12px;padding:10px 14px;border-radius:8px;background:#fff4e5;border:1px solid #f0b46b;color:#7a4100;font-weight:600}