:root{color-scheme:light;--color-bg: #F7F8FA;--color-bg-panel: #FFFFFF;--color-bg-raised: #F7F8FA;--color-bg-hover: #EEF1F5;--color-bg-input: #FFFFFF;--color-text: #202938;--color-text-muted: #697586;--color-text-faint: #626E7E;--color-border: #E3E8EF;--color-border-strong: #8290A2;--color-accent: #E5484D;--color-accent-text: #BD2D36;--color-accent-hover: #AF2730;--color-accent-muted: #FDECEE;--color-button: #CB343D;--color-button-text: #FFFFFF;--color-brand: #202C3A;--color-nav: #FFFFFF;--color-success-accent: #18A874;--color-success: #10764F;--color-success-bg: #EAF7F0;--color-danger: #BA303B;--color-danger-bg: #FDECEE;--color-info: #285F91;--color-info-bg: #EDF4FC;--color-warning: #88551A;--color-warning-bg: #FCF2DF;--topic-web: #285F91;--topic-web-bg: #EDF4FC;--topic-network: #10764F;--topic-network-bg: #EAF7F0;--topic-code: #6946A0;--topic-code-bg: #F3EEFC;--topic-crypto: #88551A;--topic-crypto-bg: #FCF2DF;--font-sans: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "IBM Plex Mono", Consolas, monospace;--radius: 9px}:root[data-theme=dark]{color-scheme:dark;--color-bg: #121821;--color-bg-panel: #1D2632;--color-bg-raised: #19222D;--color-bg-hover: #273445;--color-bg-input: #19222D;--color-text: #F1F5F9;--color-text-muted: #A5B4C5;--color-text-faint: #A5B4C5;--color-border: #354255;--color-border-strong: #64748B;--color-accent: #F06469;--color-accent-text: #FA8D92;--color-accent-hover: #FFADB1;--color-accent-muted: #38272F;--color-button: #F06469;--color-button-text: #121821;--color-brand: #F1F5F9;--color-nav: #273445;--color-success-accent: #2FC49A;--color-success: #2FC49A;--color-success-bg: #193830;--color-danger: #FA8D92;--color-danger-bg: #38272F;--color-info: #9BC7F1;--color-info-bg: #203348;--color-warning: #EDC17A;--color-warning-bg: #383124;--topic-web: #9BC7F1;--topic-web-bg: #203348;--topic-network: #2FC49A;--topic-network-bg: #193830;--topic-code: #C7AEFA;--topic-code-bg: #302A44;--topic-crypto: #EDC17A;--topic-crypto-bg: #383124}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:14px;-webkit-font-smoothing:antialiased;scroll-padding-top:80px}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.55}button,input,select,textarea{font:inherit}button{cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}a{color:var(--color-accent-text);text-decoration:none}a:hover{color:var(--color-accent-hover)}ul{list-style:none}code,.mono{font-family:var(--font-mono);font-size:.92em;overflow-wrap:anywhere}button,a,input,textarea,select{transition:background-color .15s,border-color .15s,color .15s}:focus-visible{outline:2px solid var(--color-accent-text);outline-offset:3px}input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:1px}button:disabled{opacity:.55;cursor:not-allowed}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent;border-radius:7px;min-height:38px;padding:8px 13px;font-size:13px;font-weight:600;line-height:1.35;text-align:center}.btn svg{flex-shrink:0}.btn-primary{background:var(--color-button);color:var(--color-button-text);border-color:var(--color-button)}.btn-primary:hover:not(:disabled){background:var(--color-accent-hover);color:var(--color-button-text);border-color:var(--color-accent-hover)}.btn-secondary{background:var(--color-bg-panel);color:var(--color-text);border-color:var(--color-border-strong)}.btn-secondary:hover:not(:disabled){background:var(--color-bg-hover);color:var(--color-text)}.btn-danger{background:var(--color-danger-bg);color:var(--color-danger);border-color:var(--color-danger)}.btn-danger:hover:not(:disabled){background:var(--color-danger);color:var(--color-bg-panel)}.btn-ghost{background:transparent;color:var(--color-text-muted)}.btn-ghost:hover:not(:disabled){background:var(--color-bg-hover);color:var(--color-text)}.btn-sm{min-height:36px;padding:7px 10px;font-size:12px}.btn-full{width:100%}.icon-button{width:38px;padding:8px}.error{border:1px solid var(--color-danger);border-left-width:3px;background:var(--color-danger-bg);color:var(--color-danger);border-radius:7px;padding:10px 12px;margin:8px 0;font-size:13px;overflow-wrap:anywhere}.muted,.form-hint{color:var(--color-text-faint);font-size:12px}.form-hint{margin-top:5px}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:5px}input,textarea,select{color:var(--color-text);background:var(--color-bg-input);border:1px solid var(--color-border-strong);border-radius:7px;padding:8px 11px;min-height:38px;font-size:13px;min-width:0}input::placeholder,textarea::placeholder{color:var(--color-text-muted);opacity:1}.form-group input,.form-group select,.form-group textarea{width:100%}textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.badge,.diff-tag{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:5px;font-size:11px;font-weight:600;line-height:1.5;text-transform:capitalize;background:var(--color-bg-hover);color:var(--color-text-muted)}.badge:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}.badge-running,.badge-published,.badge-available,.diff-easy{color:var(--color-success);background:var(--color-success-bg)}.badge-draft,.badge-stopping,.diff-medium{color:var(--color-warning);background:var(--color-warning-bg)}.badge-pending,.badge-provisioning,.badge-creating,.badge-unknown,.badge-pending_review{color:var(--color-info);background:var(--color-info-bg)}.badge-failed,.badge-rejected,.diff-hard{color:var(--color-danger);background:var(--color-danger-bg)}.meta-pill{font-size:11px;color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:5px;padding:2px 7px}.meta-muted{font-size:11px;color:var(--color-text-faint)}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:600;color:var(--color-text-muted);margin-bottom:5px}.brand-mark{flex-shrink:0}.brand-f{fill:var(--color-brand)}.brand-s{fill:var(--color-accent)}.brand{display:inline-flex;align-items:center;gap:9px;color:var(--color-brand);flex-shrink:0}.brand:hover{color:var(--color-brand)}.wordmark{font-size:21px;font-weight:700;letter-spacing:-.055em}.spinner{display:inline-block;width:15px;height:15px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.loading{min-height:100vh;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--color-text-muted)}.inline-loading{display:flex;align-items:center;gap:10px;color:var(--color-text-muted);padding:14px 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:12px;top:-100px;background:var(--color-button);color:var(--color-button-text);padding:10px 15px;z-index:2000;border-radius:7px}.skip-link:focus{top:10px}.app-shell{min-height:100vh}.site-header{background:var(--color-nav);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:50}.navbar{max-width:1248px;margin:auto;padding:0 24px;height:58px;display:flex;align-items:center;gap:32px;position:relative}.main-nav{display:flex;align-items:stretch;align-self:stretch;gap:6px}.nav-item{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:500;padding:0 13px;color:var(--color-text-muted);border-bottom:2px solid transparent}.nav-item:hover{color:var(--color-text);background:var(--color-bg-hover)}.nav-item.is-active{color:var(--color-accent-text);border-bottom-color:var(--color-accent)}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.avatar{border-radius:50%;width:28px;height:28px;display:grid;place-items:center;background:var(--color-accent-muted);color:var(--color-accent-text);font-size:10px;font-weight:700;flex-shrink:0}.account{position:relative}.account-button{display:flex;align-items:center;gap:8px;min-height:38px;padding:4px;background:transparent;border:0;border-radius:7px;color:var(--color-text)}.account-button:hover{background:var(--color-bg-hover)}.account-name{max-width:145px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.account-popover{position:absolute;right:0;top:calc(100% + 10px);width:215px;padding:14px;border:1px solid var(--color-border-strong);background:var(--color-bg-panel);border-radius:8px;display:flex;flex-direction:column;box-shadow:0 6px 18px #00000012;overflow-wrap:anywhere}.account-popover strong{font-size:13px}.role-chip{text-transform:capitalize;font-size:11px;color:var(--color-text-muted)}.account-popover .btn{border-top:1px solid var(--color-border);border-radius:0;margin-top:10px;justify-content:flex-start}.mobile-menu-toggle{display:none}.workspace{width:100%;max-width:1248px;margin:0 auto;padding:24px 24px 40px}.overview-welcome{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--color-border)}.overview-welcome h1{font-size:24px;font-weight:650;letter-spacing:-.035em;line-height:1.3;overflow-wrap:anywhere}.page-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.page-heading{font-size:26px;font-weight:650;letter-spacing:-.035em;line-height:1.3;overflow-wrap:anywhere}.page-toolbar h2.page-heading{font-size:20px}.page-lede{font-size:13px;color:var(--color-text-muted);margin-top:6px}.catalog-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.search-field{display:flex;align-items:center;gap:8px;flex:1;min-width:220px;padding-left:11px;border:1px solid var(--color-border-strong);border-radius:7px;background:var(--color-bg-input);color:var(--color-text-muted)}.search-field input{width:100%;border:0;background:transparent}.search-field:focus-within{outline:2px solid var(--color-accent-text);outline-offset:1px}.catalog-filters select{max-width:170px;font-size:12px}.results-count{font-size:12px;color:var(--color-text-faint);margin-bottom:12px}.room-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.room-grid>li{min-width:0}.room-card{overflow:hidden;background:var(--color-bg-panel);border:1px solid var(--color-border);border-radius:var(--radius);height:100%;display:flex;flex-direction:column;transition:border-color .15s}.room-card:hover,.room-card:focus-within{border-color:var(--color-border-strong)}.room-card-main{color:var(--color-text);display:flex;flex-direction:column;gap:10px;padding:18px;flex:1}.room-card-main:hover{color:var(--color-text)}.room-card-top{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.topic-icon{margin-right:auto;width:40px;height:40px;border-radius:8px;display:grid;place-items:center;color:var(--color-text-muted);background:var(--color-bg-hover)}.topic-web{color:var(--topic-web);background:var(--topic-web-bg)}.topic-network{color:var(--topic-network);background:var(--topic-network-bg)}.topic-code{color:var(--topic-code);background:var(--topic-code-bg)}.topic-crypto{color:var(--topic-crypto);background:var(--topic-crypto-bg)}.room-card-title{font-size:15px;font-weight:650;line-height:1.4;overflow-wrap:anywhere}.room-card-desc{font-size:12px;line-height:1.65;color:var(--color-text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.room-card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:auto}.room-card-actions{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--color-border);padding:7px 18px}.card-open{display:flex;align-items:center;justify-content:space-between;gap:9px;flex:1;color:var(--color-accent-text);font-size:12px;font-weight:600;min-height:36px}.room-skeleton{height:230px;padding:18px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg-panel)}.room-skeleton div{height:42px;width:42px;border-radius:7px;background:var(--color-bg-hover);animation:pulse 1.7s ease-in-out infinite}.room-skeleton div+div{height:18px;width:90%;margin-top:22px}.room-skeleton div:last-child{width:65%}@keyframes pulse{50%{opacity:.4}}.panel{padding:20px;background:var(--color-bg-panel);border:1px solid var(--color-border);border-radius:var(--radius)}.panel-title{font-size:18px;font-weight:600;margin-bottom:12px;letter-spacing:-.025em}.empty-state{padding:30px 20px;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}.empty-state svg{color:var(--color-text-muted)}.empty-state h2{font-size:18px;font-weight:600}.empty-state p{max-width:480px;font-size:13px;color:var(--color-text-muted)}.crumb{display:flex;align-items:center;gap:8px;color:var(--color-text-faint);font-size:12px;margin-bottom:16px;flex-wrap:wrap}.crumb a,.crumb-sep{color:var(--color-text-muted)}.lab-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.lab-header-copy{min-width:0}.lab-tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:8px}.lab-instance-head{flex-wrap:wrap}.lab-instance-head .panel-title{flex-shrink:0}.lab-header-actions,.lab-header-status{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.lab-brief{margin-bottom:20px}.lab-description{font-size:14px;color:var(--color-text);white-space:pre-wrap;line-height:1.75}.lab-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:20px;align-items:start}.lab-workspace{min-width:0;display:flex;flex-direction:column;gap:20px}.lab-aside{min-width:0}.spec-list{display:flex;flex-direction:column;gap:9px}.spec-row{display:grid;grid-template-columns:80px minmax(0,1fr);align-items:start;gap:10px;font-size:12px}.spec-row dt{color:var(--color-text-faint)}.spec-row dd{overflow-wrap:anywhere}.spec-gap{display:flex;align-items:center;gap:8px}.spec-secondary{border-top:1px solid var(--color-border);padding-top:12px}.builder-panel,.lab-instance-panel{display:flex;flex-direction:column;gap:12px;align-items:stretch}.builder-panel .btn,.lab-instance-panel .btn{align-self:flex-start}.builder-head,.lab-instance-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.builder-head .panel-title,.lab-instance-head .panel-title{margin-bottom:0}.builder-copy,.lab-instance-copy{font-size:13px;color:var(--color-text-muted)}.builder-status-row,.lab-instance-status{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--color-text-muted)}.builder-specs,.lab-instance-specs{border-top:1px solid var(--color-border);padding-top:12px}.builder-failed,.builder-stopped{display:flex;flex-direction:column;align-items:flex-start;gap:12px}.lab-instance-actions{display:flex;flex-wrap:wrap;gap:8px}.status-refresh{padding-left:0;min-height:32px;align-self:flex-start}.access-block{padding-top:4px}.access-block .builder-status-row,.access-block .lab-instance-actions{margin-top:12px}.workflow-map{display:flex;gap:8px;padding:12px 16px;border:1px solid var(--color-border);background:var(--color-bg-panel);border-radius:8px;margin-bottom:20px;flex-wrap:wrap}.workflow-map>*{flex:1;display:flex;gap:7px;align-items:center;font-size:12px;color:var(--color-text-muted);padding:3px;white-space:nowrap}.workflow-map b{font-family:var(--font-mono);color:var(--color-accent-text);font-size:11px;font-weight:500}.workflow-map a:hover{color:var(--color-accent-text)}.template-block{display:flex;flex-direction:column;gap:12px}.template-block>.btn{align-self:flex-start}.template-block .panel-title{margin-bottom:0}.template-list{display:flex;flex-direction:column;gap:8px}.template-item{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px;background:var(--color-bg-raised);border:1px solid var(--color-border);border-radius:7px}.version-heading{display:flex;gap:8px;align-items:center;margin-right:auto}.version-heading>svg{color:var(--color-text-muted)}.version-heading>div{display:flex;flex-direction:column}.version-heading strong{font-size:13px;font-weight:600}.template-item .btn{font-size:12px;padding:7px 9px;min-height:36px}.connection-guide{border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-raised);padding:16px}.connection-address{display:flex;align-items:center;justify-content:space-between;gap:10px}.connection-address .eyebrow{display:block}.connection-address code{font-size:18px;font-weight:500;letter-spacing:-.03em}.connection-tools{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-start;margin-top:12px}.profile-download{max-width:100%}.profile-download>.error{margin-top:0}.connection-help,.context-help{font-size:12px;color:var(--color-text-muted)}.connection-help{border-top:1px solid var(--color-border);margin-top:12px;padding-top:10px}summary{cursor:pointer;width:fit-content;color:var(--color-text);font-weight:500;min-height:30px;display:list-item;list-style-position:inside}.connection-help[open] summary,.context-help[open] summary{margin-bottom:8px}.context-help p{max-width:600px;font-size:12px}.connection-steps{counter-reset:step;list-style:none;display:flex;flex-direction:column;gap:14px}.connection-steps li{padding-left:28px;position:relative;counter-increment:step}.connection-steps li:before{content:counter(step);position:absolute;left:0;top:1px;width:20px;height:20px;border:1px solid var(--color-border-strong);border-radius:50%;display:grid;place-items:center;font-size:10px;color:var(--color-text-muted)}.connection-steps strong{font-size:12px;font-weight:600;color:var(--color-text)}.connection-steps p{font-size:12px;line-height:1.7;margin-top:3px}.command-line{display:flex;align-items:center;gap:8px;background:var(--color-bg-panel);border:1px solid var(--color-border);border-radius:6px;padding:8px 10px;margin-top:8px;font-size:12px;overflow-wrap:anywhere}.command-line svg{flex-shrink:0;color:var(--color-text-muted)}.environment-status{display:flex;align-items:flex-start;gap:10px;padding:12px;background:var(--color-bg-raised);border:1px solid var(--color-border);border-radius:7px}.environment-status-icon{color:var(--color-info);padding-top:2px;flex-shrink:0}.environment-status strong{font-size:13px;font-weight:600}.environment-status p{font-size:12px;color:var(--color-text-muted);margin-top:2px;line-height:1.6}.environment-status-running .environment-status-icon,.environment-status-stopped .environment-status-icon{color:var(--color-success)}.environment-status-failed .environment-status-icon{color:var(--color-danger)}.modal{padding:0;position:fixed;top:0;right:0;bottom:0;left:0;margin:auto;border:1px solid var(--color-border-strong);border-radius:10px;background:var(--color-bg-panel);color:var(--color-text);width:min(520px,calc(100% - 24px));max-height:calc(100dvh - 32px);overflow-y:auto;box-shadow:0 15px 60px #0003}.modal::backdrop{background:#10182080}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 20px;border-bottom:1px solid var(--color-border)}.modal-title{font-size:18px;font-weight:600}.modal-close{display:grid;place-items:center;width:36px;height:36px;border:0;border-radius:7px;background:transparent;color:var(--color-text-muted)}.modal-close:hover{background:var(--color-bg-hover)}.modal-body{padding:20px}.modal-fields{border:0;min-width:0}.dialog-copy,.modal-room-name{font-size:13px;color:var(--color-text-muted);margin-bottom:16px}.modal-body>.dialog-copy:last-child{margin-bottom:0}.modal-footer{padding:14px 20px;display:flex;justify-content:flex-end;gap:8px;border-top:1px solid var(--color-border)}.auth-page{min-height:100dvh;display:flex;flex-direction:column;align-items:center;padding:28px 16px}.auth-brandbar{width:100%;max-width:400px;display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.auth-form-col{width:100%;max-width:400px}.auth-form-wrap{padding:24px;border:1px solid var(--color-border);border-radius:10px;background:var(--color-bg-panel)}.auth-title{font-size:25px;font-weight:650;letter-spacing:-.035em;line-height:1.3}.auth-subtitle{font-size:13px;color:var(--color-text-muted);margin:6px 0 20px}.auth-form .form-group{margin-bottom:14px}.auth-form .btn-full{margin-top:4px}.auth-footer{font-size:12px;text-align:center;color:var(--color-text-muted);margin-top:20px}.auth-footer a{font-weight:600;margin-left:3px}.auth-notice{border-top:1px solid var(--color-border);margin-top:16px;padding-top:12px;font-size:11px;color:var(--color-text-faint)}@media (min-width: 768px) and (min-height: 800px){.auth-page{padding-top:9vh}}@media (max-width: 1100px){.room-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.navbar{gap:22px}.lab-layout{grid-template-columns:minmax(0,1fr) 240px;gap:16px}}@media (max-width: 850px){.room-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-layout{grid-template-columns:minmax(0,1fr)}.lab-aside{order:2}.account-name{max-width:95px}.navbar{gap:16px}}@media (max-width: 640px){.navbar{padding:0 16px;gap:12px}.wordmark{font-size:20px}.nav-actions{gap:4px}.account-name{display:none}.mobile-menu-toggle{display:inline-flex}.main-nav{display:none}.main-nav.is-open{display:flex;position:absolute;top:58px;left:0;right:0;flex-direction:column;background:var(--color-nav);border-bottom:1px solid var(--color-border-strong);padding:8px 16px}.nav-item{min-height:42px;border-left:2px solid transparent;border-bottom:0;padding:8px 12px;border-radius:4px}.nav-item.is-active{border-left-color:var(--color-accent);background:var(--color-accent-muted)}.account-popover{right:-28px}.workspace{padding:20px 16px 32px}.overview-welcome{flex-wrap:wrap;margin-bottom:20px;padding-bottom:16px}.overview-welcome h1{font-size:23px}.page-toolbar{align-items:center;gap:10px}.page-heading{font-size:24px}.catalog-filters .search-field{flex:1 0 100%;min-width:0}.catalog-filters select{flex:1;min-width:110px;max-width:none}.room-grid{grid-template-columns:1fr;gap:12px}.room-card-main{padding:16px}.room-card-actions{padding:6px 16px}.lab-header{align-items:flex-start;flex-direction:column}.lab-header-actions{justify-content:flex-start}.panel{padding:16px}.lab-brief{margin-bottom:16px}.lab-workspace{gap:16px}.form-row{grid-template-columns:1fr;gap:0}.spec-row{grid-template-columns:80px minmax(0,1fr)}.workflow-map{gap:5px 10px;padding:10px}.workflow-map>*{flex:0 0 calc(50% - 5px);white-space:normal}.workflow-map>*:last-child{flex:1}.template-item{padding:10px}.version-heading{flex:1 0 100%}.template-item>.btn{flex:1}.connection-guide{padding:12px}.connection-address{flex-wrap:wrap}.connection-address code{font-size:17px}.connection-tools{flex-direction:column}.connection-steps li{padding-left:26px}.modal-header,.modal-body,.modal-footer{padding:16px}.modal-footer .btn{flex:1}.auth-page{padding:20px 16px}.auth-brandbar{margin-bottom:20px}.auth-form-wrap{padding:20px}.btn,.account-button,.modal-close{min-height:40px}.icon-button{width:40px}}@media (max-width: 360px){.navbar{padding:0 12px;gap:8px}.nav-actions{gap:0}.account-button{gap:4px}.brand{gap:6px}.navbar .brand-mark{width:26px}.navbar .wordmark{font-size:18px}.page-toolbar{align-items:flex-start;flex-wrap:wrap}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.eyebrow,.role-chip,.page-lede,.connection-help,.context-help,.environment-status p,.badge-stopped,.command-line,.empty-state p{color:var(--color-text-faint)}.question-workspace{margin-bottom:20px}.question-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}.question-heading .panel-title{margin:0}.question-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.question-progress{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 12px;background:var(--color-bg-raised);border:1px solid var(--color-border);border-radius:7px;font-size:12px;margin-bottom:12px}.question-policy{font-size:12px;color:var(--color-text-faint);margin-bottom:12px}.question-list{list-style:none;display:flex;flex-direction:column;gap:12px}.question-item{padding:14px;border:1px solid var(--color-border);border-radius:8px}.question-title{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin-bottom:8px}.question-title h3{font-size:14px;font-weight:600;flex:1;min-width:140px;overflow-wrap:anywhere}.question-number{font-size:12px;color:var(--color-text-faint)}.question-hint{font-size:12px;margin-bottom:8px}.question-hint p{color:var(--color-text-faint);white-space:pre-wrap;overflow-wrap:anywhere;margin:4px 0 10px}.answer-form{display:flex;gap:8px;margin-top:10px}.answer-form input{flex:1;width:100%}.answer-feedback{font-size:12px;color:var(--color-text-faint);margin-top:6px}.answer-feedback.is-correct{color:var(--color-success)}@media (max-width: 640px){.question-workspace{margin-bottom:16px}.question-item{padding:12px}}@media (max-width: 390px){.answer-form{flex-direction:column}.answer-form .btn{align-self:flex-start}}.landing-nav-help{font-size:13px;color:var(--color-text-muted)}.landing-content{padding-top:48px;padding-bottom:42px}.landing-hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:56px;padding:28px 0 52px}.landing-hero h1{font-size:clamp(32px,4vw,48px);line-height:1.12;letter-spacing:-.045em;margin:12px 0 20px}.landing-hero h1 span{color:var(--color-accent-text)}.landing-intro{font-size:16px;line-height:1.75;max-width:470px;color:var(--color-text-muted)}.landing-actions{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 16px}.landing-footnote{display:flex;align-items:flex-start;gap:7px;font-size:12px;color:var(--color-text-faint)}.landing-footnote svg{flex-shrink:0;margin-top:2px}.landing-lab-card{border:1px solid var(--color-border);border-top:3px solid var(--color-accent);border-radius:10px;background:var(--color-bg-panel);padding:22px;min-width:0}.landing-lab-heading{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--color-border)}.landing-lab-heading>svg{color:var(--color-accent-text)}.landing-lab-heading strong{font-size:15px}.landing-capability{display:flex;gap:14px;margin-top:22px}.landing-capability>svg{flex-shrink:0;color:var(--color-accent-text);margin-top:3px}.landing-capability h2{font-size:14px;margin-bottom:4px}.landing-capability p{color:var(--color-text-muted);font-size:13px}.landing-return{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--color-border);margin-top:24px;padding-top:16px;font-size:12px}.landing-workflow{border-top:1px solid var(--color-border);padding-top:30px;scroll-margin-top:78px}.landing-section-heading h2{font-size:22px;letter-spacing:-.025em}.landing-steps{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin-top:22px}.landing-steps li{padding:18px;border:1px solid var(--color-border);border-radius:9px;background:var(--color-bg-panel)}.landing-step-icon{display:flex;align-items:center;justify-content:space-between;color:var(--color-accent-text);margin-bottom:16px}.landing-step-icon span{color:var(--color-text-faint);font:12px var(--font-mono)}.landing-steps h3{font-size:13px;margin-bottom:6px}.landing-steps p{font-size:12px;color:var(--color-text-muted)}.landing-footer{max-width:1200px;margin:auto;padding:20px 24px;border-top:1px solid var(--color-border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--color-text-muted);font-size:12px}.landing-footer a{display:inline-flex;align-items:center;gap:8px}.builder-ssh{margin:14px 0;padding:14px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-raised)}.builder-ssh h3{font-size:14px;margin-bottom:6px}.builder-ssh p{margin-top:6px;font-size:12px}.builder-ssh-command{display:flex;align-items:flex-start;gap:8px;margin-top:10px}.builder-ssh-command .command-line{flex:1;min-width:0;margin:0}.builder-ssh-command code{white-space:normal;overflow-wrap:anywhere}.lab-page>.lab-instance-panel{margin-bottom:20px}@media (max-width: 1024px){.landing-hero{gap:28px}.landing-steps{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width: 768px){.landing-hero{grid-template-columns:1fr;gap:28px;padding:0 0 32px}.landing-content{padding-top:30px}.landing-intro{max-width:none}.landing-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.landing-nav-help{display:none}.landing-nav{gap:8px}.landing-nav .nav-actions{gap:4px}}@media (max-width: 480px){.landing-nav{padding:0 12px}.landing-nav .brand{gap:5px}.landing-nav .wordmark{font-size:18px}.landing-nav .btn{padding:7px 8px;font-size:12px}.landing-nav .icon-button{width:32px}.landing-lab-card{padding:16px}.landing-steps{grid-template-columns:1fr;gap:10px}.landing-steps li{padding:14px}.landing-step-icon{margin-bottom:8px}.builder-ssh-command{flex-direction:column}}.profile-layout{display:grid;grid-template-columns:240px minmax(0,560px);gap:20px;align-items:start}.profile-preview{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;overflow-wrap:anywhere;min-width:0}.profile-preview h2{font-size:18px;max-width:100%}.avatar-large{width:72px;height:72px;font-size:24px;margin-bottom:6px}.avatar-red{background:var(--color-accent-muted);color:var(--color-accent-text)}.avatar-navy{background:var(--color-bg-hover);color:var(--color-brand)}.avatar-green{background:var(--color-success-bg);color:var(--color-success)}.avatar-blue{background:var(--topic-web-bg);color:var(--topic-web)}.avatar-purple{background:var(--topic-code-bg);color:var(--topic-code)}.profile-fields,.avatar-picker{border:0;min-width:0;padding:0}.avatar-picker{margin-bottom:16px}.avatar-picker legend{font-size:13px;font-weight:600;margin-bottom:8px}.avatar-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.avatar-option{display:flex;align-items:center;gap:8px;border:1px solid var(--color-border);background:var(--color-bg-panel);color:var(--color-text);padding:8px;min-width:0;border-radius:7px;font-size:12px;text-transform:capitalize}.avatar-option[aria-pressed=true],.avatar-swatch[aria-pressed=true]{outline:2px solid var(--color-accent-text);outline-offset:1px}.avatar-colors{display:flex;flex-wrap:wrap;gap:12px;padding:3px}.avatar-swatch{width:36px;height:36px;border:1px solid var(--color-border-strong);border-radius:50%}.profile-actions{padding-top:14px;border-top:1px solid var(--color-border)}.profile-success{color:var(--color-success);background:var(--color-success-bg);border:1px solid var(--color-success);padding:10px 12px;border-radius:7px;margin-bottom:16px;font-size:13px}@media (max-width: 768px){.profile-layout{grid-template-columns:1fr}.profile-preview{padding:16px}}@media (max-width: 480px){.avatar-options{grid-template-columns:repeat(2,minmax(0,1fr))}}.lab-timer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 16px;margin:12px 0;padding:12px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-raised)}.lab-timer>div:first-child{display:grid;gap:3px}.lab-timer strong{font-size:24px;font-variant-numeric:tabular-nums;letter-spacing:.025em}.lab-timer-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12px}.lab-timer .lab-time-message,.lab-timer .form-hint,.lab-timer .error{flex-basis:100%;margin:0}.lab-timer-warning{border-color:var(--color-accent)}
