.exp-root{--exp-ink:#182f48;--exp-muted:#627386;--exp-blue:#245bea;--exp-line:#e2e8ef;color:var(--exp-ink);background:#f7f9fc;padding:64px max(24px,calc((100vw - 1240px)/2));font-family:inherit;line-height:1.65}.exp-root *,.exp-root *:before,.exp-root *:after{box-sizing:border-box}.exp-root h1,.exp-root h2,.exp-root h3,.exp-root p{margin:0}.exp-root h1,.exp-root h2,.exp-root h3{line-height:1.35;letter-spacing:-.04em;word-break:keep-all}.exp-root h2{font-size:23px;font-weight:750}.exp-root h3{font-size:17px;font-weight:750}.exp-root button,.exp-root input,.exp-root textarea{font:inherit}.exp-root button,.exp-root a{-webkit-tap-highlight-color:transparent}.exp-root button{cursor:pointer}.exp-root button:disabled{opacity:.46;cursor:not-allowed}.exp-root :focus-visible{outline:3px solid #91b3ff;outline-offset:4px}.exp-root input,.exp-root textarea{width:100%;min-width:0;border:1px solid #cbd6e2;border-radius:10px;padding:12px 14px;background:#fff;color:var(--exp-ink);font-size:14px;line-height:1.7}.exp-root textarea{resize:vertical}.exp-root input::placeholder,.exp-root textarea::placeholder{color:#7b8799}.exp-root pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;font-size:14px;line-height:1.85;margin:0}.exp-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--exp-blue);font-size:11px;font-weight:800;letter-spacing:.12em;text-decoration:none}.exp-dot{width:7px;height:7px;background:#179b75;border-radius:100%;display:inline-block;box-shadow:0 0 0 4px #179b7510;flex-shrink:0}.exp-dot.is-offline{background:#c38018;box-shadow:0 0 0 4px #c3801810}.exp-entrance{display:grid;grid-template-columns:1.25fr 1fr;gap:76px;align-items:center;padding:8px 0 36px}.exp-intro h1{font-size:clamp(36px,4vw,53px);line-height:1.33;letter-spacing:-.055em;margin:25px 0;font-weight:800}.exp-intro h1 em{font-style:normal;color:var(--exp-blue)}.exp-lead{font-size:16px;color:var(--exp-muted);line-height:1.9;word-break:keep-all}.exp-journey{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:44px 0;padding:25px 0;border-top:1px solid var(--exp-line);border-bottom:1px solid var(--exp-line)}.exp-journey>div{position:relative}.exp-journey>div>span{position:absolute;right:9px;top:-2px;font-size:12px;color:#8296ad;font-weight:600}.exp-journey svg{color:var(--exp-blue);margin-bottom:15px}.exp-journey h2{font-size:15px;margin-bottom:8px}.exp-journey p{color:var(--exp-muted);font-size:12px;line-height:1.8;word-break:keep-all}.exp-intro-note{display:flex;align-items:flex-start;gap:12px;font-size:12px;color:var(--exp-muted);line-height:1.9}.exp-intro-note svg{color:var(--exp-blue);flex-shrink:0;margin-top:3px}.exp-intro-note strong{color:var(--exp-ink);font-weight:700}.exp-entry-card{background:#fff;border:1px solid var(--exp-line);padding:30px;border-radius:20px;box-shadow:0 15px 50px #203f7610}.exp-entry-card h2{margin:7px 0 22px}.exp-role-toggle{display:flex;gap:4px;padding:4px;background:#f0f3f8;border-radius:12px;margin:18px 0}.exp-role-toggle button{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--exp-muted);border:0;background:transparent;padding:10px;border-radius:8px;font-size:14px;font-weight:700}.exp-role-toggle button[aria-pressed=true]{color:var(--exp-blue);background:#fff;box-shadow:0 2px 6px #2636580d}.exp-muted{font-size:13px;color:var(--exp-muted);line-height:1.8}.exp-form{display:grid;gap:17px}.exp-entry-card .exp-form{margin-top:20px}.exp-form label{display:grid;gap:7px;font-size:12px;font-weight:650}.exp-button{min-height:44px;border:1px solid transparent;background:var(--exp-blue);border-radius:10px;padding:11px 19px;color:#fff;font-size:13px!important;font-weight:700!important;display:inline-flex;align-items:center;justify-content:center;gap:9px;text-decoration:none;transition:background .15s;text-align:center}.exp-button:hover:not(:disabled){background:#1745bf}.exp-button.exp-secondary{background:#fff;color:var(--exp-ink);border-color:#cfdae8}.exp-button.exp-secondary:hover:not(:disabled){background:#f0f5ff}.exp-privacy{font-size:11px;color:var(--exp-muted);line-height:1.8;padding:12px;border-radius:8px;background:#f7f9fc}.exp-small{display:block;font-size:11px;color:var(--exp-muted);line-height:1.8}.exp-entry-card>.exp-small{text-align:center;margin-top:16px}.exp-code-input{letter-spacing:.2em;text-transform:uppercase;font-weight:750!important;font-size:20px!important}.exp-footnote{border-top:1px solid var(--exp-line);padding-top:25px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--exp-muted)}.exp-footnote a{color:var(--exp-blue);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.exp-error,.exp-warning{padding:16px 18px;border:1px solid #ecd39d;background:#fffaeb;color:#78591e;border-radius:10px;font-size:13px;overflow-wrap:anywhere}.exp-error{background:#fff3f2;color:#9d3029;border-color:#f5cecb}.exp-warning .exp-actions{margin-top:12px}.exp-missing{min-height:65vh;display:flex;align-items:flex-start;flex-direction:column;gap:25px;justify-content:center}.exp-missing h1{font-size:30px}.exp-workspace{padding-top:40px;padding-bottom:48px}.exp-workspace-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:26px}.exp-workspace-heading h1{font-size:30px;font-weight:800;margin-top:7px}.exp-connection{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;font-size:12px;color:#236f5a}.exp-connection small{width:100%;text-align:right;font-size:10px;color:var(--exp-muted)}.exp-workspace>.exp-error,.exp-workspace>.exp-warning{margin-bottom:20px}.exp-assignment{background:#eaf0ff;border:1px solid #d9e3ff;border-radius:16px;padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:40px;margin-bottom:20px}.exp-assignment h2{margin:7px 0 10px;font-size:22px}.exp-assignment p{font-size:13px;line-height:1.8;max-width:830px;white-space:pre-wrap;overflow-wrap:anywhere}.exp-assignment small{display:block;margin-top:12px;font-size:11px;color:var(--exp-muted)}.exp-assignment>svg{color:#7998df;flex-shrink:0}.exp-invite{display:flex;justify-content:space-between;gap:24px;align-items:center;background:#fff;border:1px solid var(--exp-line);border-radius:14px;padding:21px 28px}.exp-join-code{display:block;font-size:30px;letter-spacing:.18em;line-height:1.4;margin-top:6px;font-weight:800}.exp-invite-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px 18px;max-width:500px}.exp-invite-actions input{background:#fafbfd;border:0;font-size:11px;color:var(--exp-muted);padding:4px 8px}.exp-text-button{background:none;border:0;color:var(--exp-blue);font-size:12px!important;display:inline-flex;align-items:center;gap:6px;padding:7px 0;text-decoration:none}.exp-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:20px 0 26px}.exp-metrics>div{display:flex;align-items:flex-start;gap:13px;border:1px solid var(--exp-line);padding:20px;border-radius:12px;background:#fff}.exp-metrics svg{color:#8a9bb2;margin-top:2px;flex-shrink:0}.exp-metrics>div>span{font-size:12px;color:var(--exp-muted)}.exp-metrics strong{display:block;font-size:29px;color:var(--exp-ink);font-weight:800;line-height:1.4;margin-top:4px}.exp-metrics strong small{font-size:12px;color:var(--exp-muted);margin-left:6px;font-weight:500}.exp-panel{background:#fff;border:1px solid var(--exp-line);border-radius:16px;padding:28px;min-width:0}.exp-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.exp-panel-heading h2{margin-top:3px;font-size:21px}.exp-count{display:inline-flex;align-items:center;gap:7px;border-radius:30px;padding:4px 11px;background:#edf3ff;color:var(--exp-blue);font-weight:700;font-size:12px;white-space:nowrap}.exp-empty{text-align:center;color:var(--exp-muted);font-size:13px;padding:28px 10px;display:flex;flex-direction:column;align-items:center;gap:12px}.exp-waiting{padding:48px 10px}.exp-waiting>svg{color:#8faae5}.exp-waiting h3{color:var(--exp-ink)}.exp-waiting>span{display:flex;align-items:center;gap:7px;font-size:11px}.exp-roster{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px;margin:22px 0}.exp-roster button{text-align:left;border:1px solid var(--exp-line);border-radius:10px;background:#fff;padding:13px;display:flex;align-items:center;gap:10px}.exp-roster button[aria-pressed=true]{background:#f0f5ff;border-color:#81a5ff}.exp-avatar{width:32px;height:32px;border-radius:50%;background:#e3ebfc;display:grid;place-items:center;font-size:12px;font-weight:750}.exp-roster b{display:block;font-size:13px;overflow-wrap:anywhere}.exp-roster small{display:block;color:var(--exp-muted);font-size:11px}.exp-version{margin-left:auto;color:var(--exp-blue);font-size:12px}.exp-review-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;padding-top:24px;border-top:1px solid var(--exp-line)}.exp-report-text{background:#fafbfd;border:1px solid var(--exp-line);border-radius:9px;padding:20px;min-height:160px;max-height:340px;overflow:auto}.exp-review-form{align-content:start}.exp-review-form h3{display:flex;align-items:center;gap:9px}.exp-submitted-copy{font-size:12px;border:1px solid var(--exp-line);padding:14px;border-radius:9px;margin-top:12px}.exp-submitted-copy summary{cursor:pointer;color:var(--exp-blue)}.exp-submitted-copy pre{margin:15px 0}.exp-submitted-copy p{white-space:pre-wrap;overflow-wrap:anywhere}.exp-student-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;align-items:start}.exp-student-side{display:grid;gap:20px}.exp-student-side h2{margin-top:7px;font-size:20px}.exp-save-status{font-size:11px;color:#227b60;white-space:nowrap}.exp-save-status.is-dirty{color:#9b6b16}.exp-editor textarea.exp-document{margin-top:22px;border-color:var(--exp-line);background:#fcfdff;min-height:310px;padding:24px;font-size:15px;line-height:2}.exp-char-count{display:block;text-align:right;font-size:10px;color:var(--exp-muted);margin:4px 0 18px}.exp-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px;flex-wrap:wrap}.exp-success{color:#237b60;font-size:12px;line-height:1.7;margin-top:12px!important}.exp-success:empty{display:none}.exp-submit-section{margin-top:28px;padding-top:24px;border-top:1px solid var(--exp-line)}.exp-submit-section label{display:block;font-size:12px;margin:14px 0 7px}.exp-submit-section button{margin:12px 0}.exp-feedback-panel{background:#f3f7ff}.exp-feedback-panel article{border-top:1px solid #d9e4f5;margin-top:17px;padding-top:17px;font-size:13px}.exp-feedback-panel article p{white-space:pre-wrap;overflow-wrap:anywhere;margin:10px 0}.exp-feedback-panel article strong{font-size:11px}.exp-student-side .exp-small{margin-top:16px}.exp-timeline{margin-top:24px}.exp-event-list{list-style:none;padding:0;margin:24px 0 0}.exp-event-list>li{position:relative;display:flex;align-items:flex-start;gap:16px;padding:0 0 18px}.exp-event-list>li:not(:last-child):before{content:"";position:absolute;left:16px;top:34px;bottom:0;width:1px;background:var(--exp-line)}.exp-event-icon{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--exp-line);border-radius:50%;color:#7489a4;background:#fafbfd;flex-shrink:0}.exp-event-list>li[data-kind=feedback] .exp-event-icon{color:#245bea;background:#edf3ff}.exp-event-list details{min-width:0;flex:1;border-bottom:1px solid #eef1f6;padding:5px 0 15px}.exp-event-list summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;list-style:none}.exp-event-list summary:after{content:"+";font-size:18px;color:#8494a8}.exp-event-list details[open]>summary:after{content:"−"}.exp-event-list summary>span{flex:1}.exp-event-list summary strong{display:block;font-size:13px;font-weight:750}.exp-event-list summary small{font-size:11px;color:var(--exp-muted)}.exp-event-list time{font-size:11px;color:var(--exp-muted);white-space:nowrap}.exp-event-detail{padding-top:18px}.exp-event-detail>p{font-size:13px;margin:14px 0;white-space:pre-wrap;overflow-wrap:anywhere}.exp-event-detail>a{color:var(--exp-blue);display:block;margin:12px 0;font-size:12px}.exp-change-count{display:flex;gap:16px;font-size:11px;color:#258167;margin-bottom:12px}.exp-change-count span+span{color:#a45050}.exp-diff{display:grid;grid-template-columns:1fr 1fr;gap:10px}.exp-diff>div{background:#f8fafc;border:1px solid var(--exp-line);border-radius:8px;padding:14px;min-width:0}.exp-diff>div+div{background:#f5fbf8;border-color:#d3e8df}.exp-diff small{display:block;color:var(--exp-muted);font-size:10px;margin-bottom:10px}.exp-record-id{margin-top:17px;display:flex;align-items:center;gap:6px;color:#7a8a9e;font-size:10px;overflow-wrap:anywhere}.exp-workspace-footer{display:flex;align-items:center;justify-content:space-between;gap:45px;padding:30px 0 0}.exp-workspace-footer b{font-size:13px}.exp-workspace-footer p{font-size:11px;color:var(--exp-muted);max-width:720px;margin-top:8px}.exp-footer-actions{display:flex;flex-direction:column;align-items:center;gap:8px;flex-shrink:0}.exp-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}.exp-dual{padding-left:max(24px,calc((100vw - 1440px)/2));padding-right:max(24px,calc((100vw - 1440px)/2))}.exp-dual-task{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 26px;background:#eaf0ff;border:1px solid #d9e3ff;border-radius:14px;margin-bottom:20px}.exp-dual-task h2{font-size:20px;margin:5px 0}.exp-dual-task p{font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.exp-dual-task>.exp-small{flex-shrink:0}.exp-proof-bar{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0 30px}.exp-delivery{display:flex;align-items:flex-start;gap:12px;padding:18px 20px;border:1px solid var(--exp-line);background:#fff;border-radius:12px;min-width:0}.exp-delivery>svg{flex-shrink:0;color:#8293a7;margin-top:3px}.exp-delivery strong{display:block;font-size:13px}.exp-delivery span{display:block;font-size:12px;color:var(--exp-muted);margin-top:3px}.exp-delivery small{display:block;font-size:10px;color:var(--exp-muted);margin-top:6px;overflow-wrap:anywhere}.exp-delivery.is-confirmed{background:#f0faf5;border-color:#b7decc}.exp-delivery.is-confirmed>svg,.exp-delivery.is-confirmed span{color:#187653}.exp-dual-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}.exp-dual-columns>section{min-width:0}.exp-role-heading{display:flex;gap:12px;align-items:center;margin-bottom:18px;padding:0 4px}.exp-role-heading>svg{color:var(--exp-blue);flex-shrink:0}.exp-role-heading h2{font-size:20px}.exp-role-heading p{font-size:11px;color:var(--exp-muted);margin-top:4px}.exp-role-heading>span{margin-left:auto;font-size:25px;font-weight:800;color:#b7c7dc}.exp-dual .exp-student-grid,.exp-dual .exp-review-grid{grid-template-columns:1fr}.exp-dual .exp-panel{padding:24px}.exp-dual .exp-student-side{gap:20px}.exp-dual .exp-review-grid{gap:24px}.exp-dual .exp-timeline{margin-top:20px}.exp-dual .exp-diff{grid-template-columns:1fr}.exp-dual .exp-editor textarea.exp-document{min-height:240px}.exp-autosave{display:flex;align-items:center;flex-wrap:wrap;gap:7px;font-size:11px;margin-top:16px;padding:11px 13px;background:#f3f7ff;border-radius:8px;cursor:pointer}.exp-root .exp-autosave input{width:15px;height:15px;accent-color:var(--exp-blue)}.exp-autosave>span{width:100%;color:var(--exp-muted);margin-left:22px}.exp-dual-mobile-toggle{display:none}.exp-dual-link{margin:18px 0 0}@media(max-width:900px){.exp-dual{padding-left:18px;padding-right:18px}.exp-dual-columns{grid-template-columns:1fr}.exp-dual-mobile-toggle{display:flex}.exp-dual[data-mobile-role=student] .exp-dual-teacher,.exp-dual[data-mobile-role=teacher] .exp-dual-student{display:none}.exp-proof-bar{margin-bottom:18px;gap:8px}.exp-delivery{padding:14px 12px;gap:8px}.exp-delivery>svg{width:16px}.exp-dual-task{padding:18px;align-items:flex-start;flex-direction:column;gap:8px}.exp-dual .exp-panel{padding:21px 18px}}@media(max-width:1000px){.exp-entrance{gap:32px}.exp-student-grid{grid-template-columns:1.3fr 1fr}.exp-panel{padding:22px}.exp-save-status{white-space:normal;text-align:right}.exp-workspace-footer{gap:20px}}@media(max-width:760px){.exp-root{padding:32px 18px}.exp-entrance{grid-template-columns:1fr;gap:32px}.exp-intro h1{font-size:38px}.exp-journey{margin:28px 0}.exp-entry-card{padding:24px}.exp-footnote{flex-direction:column}.exp-workspace-heading{align-items:flex-start;flex-direction:column;gap:12px}.exp-workspace-heading h1{font-size:26px}.exp-connection{justify-content:flex-start}.exp-connection small{text-align:left}.exp-assignment{padding:22px;gap:15px}.exp-assignment>svg{display:none}.exp-invite{padding:22px;flex-direction:column;align-items:stretch;gap:15px}.exp-invite-actions{justify-content:flex-start}.exp-metrics{grid-template-columns:repeat(2,1fr);gap:10px}.exp-metrics>div{padding:16px}.exp-student-grid,.exp-review-grid{grid-template-columns:1fr}.exp-panel{padding:21px 18px}.exp-panel-heading h2{font-size:19px}.exp-workspace-footer{flex-direction:column;align-items:stretch}.exp-footer-actions{align-items:flex-start}.exp-diff{grid-template-columns:1fr}.exp-event-list summary{flex-wrap:wrap;gap:4px}.exp-event-list summary>span{flex-basis:70%}.exp-event-list time{order:2;width:100%;font-size:10px}.exp-event-list>li{gap:10px}.exp-record-id{align-items:flex-start}.exp-editor textarea.exp-document{padding:16px}.exp-actions{align-items:stretch;flex-direction:column}.exp-roster{grid-template-columns:repeat(2,minmax(0,1fr))}.exp-roster button{padding:10px;gap:7px}.exp-avatar{display:none}}