:root{--ink:#12182b;--ink-light:#2a3455;--gold:#c8912b;--gold-wash:#f6edda;--grey-wash:#f4f5f8;--hairline:#dde1e8;--muted:#5a6274;--white:#fff;--stop:#c62828;--pz:#5b2d8e;--pz-wash:#f1eaf9;--g4g:#1f7a3d;--g4g-wash:#e7f3ea;--focus:#2f6fed;--editor-bg:#fff;--editor-active-line:#f6f7fb;--output-bg:#12182b;--output-ink:#eef1f7;--font-head:Cambria, Georgia, "Times New Roman", serif;--font-body:Calibri, Carlito, "Segoe UI", Arial, sans-serif;--font-code:Consolas, "Courier New", monospace;--code-size:17px;--radius:10px;--shadow:0 1px 2px #12182b14, 0 4px 14px #12182b14;--shadow-lift:0 4px 10px #12182b1f, 0 14px 30px 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svg{transform-origin:60px 130px;animation:.5s ease-in-out infinite wiggle}@keyframes wiggle{25%{transform:rotate(-4deg)}75%{transform:rotate(4deg)}}.padlock-error{--lock:var(--stop);animation:.45s shake}.padlock-locked{--lock:var(--muted)}.padlock-unlocked{--lock:var(--gold)}.padlock-unlocked .padlock-shackle{stroke:var(--gold);animation:.7s cubic-bezier(.3,1.5,.5,1) forwards shackle-open}@keyframes shackle-open{40%{transform:translateY(-18px)}to{transform:translateY(-18px)rotate(28deg)}}.padlock-unlocked .padlock-keyhole{opacity:0;transform:scale(.3)}.padlock-unlocked .padlock-tick{animation:.35s ease-out .35s forwards draw}@keyframes draw{to{stroke-dashoffset:0}}.padlock-burst{border:6px solid var(--gold);opacity:0;pointer-events:none;border-radius:50%;width:150px;height:150px;margin:-75px 0 0 -75px;position:absolute;top:66%;left:50%}.padlock-unlocked .padlock-burst{animation:.8s ease-out .3s burst}@keyframes 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5px;font-size:1.05rem;font-weight:700;display:inline-flex}.task-step:hover{border-color:var(--muted);color:var(--ink)}.task-step-num{background:var(--grey-wash);width:32px;height:32px;color:var(--ink);border-radius:50%;place-items:center;display:grid}.task-step.active{border-color:var(--ink);color:var(--ink)}.task-step.active .task-step-num{background:var(--ink);color:var(--white)}.task-step.done .task-step-num{background:var(--gold);color:var(--ink)}.task-step.pz{border-color:var(--pz);color:var(--pz)}.task-step.pz.active .task-step-num{background:var(--pz)}.task{flex-direction:column;gap:16px;display:flex}.task-brief{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);border-left:6px solid var(--gold);align-items:flex-start;gap:18px;padding:18px 22px;display:flex}.task-brief h2{margin-bottom:6px;font-size:1.6rem}.task-tags{flex-wrap:wrap;gap:6px;margin-bottom:4px;display:flex}.tag{background:var(--grey-wash);border:1px solid var(--hairline);color:var(--ink-light);border-radius:999px;margin-left:6px;padding:2px 10px;font-size:.8rem;font-weight:700;display:inline-block}.task-tags .tag{margin-left:0}.tag-pz{background:var(--pz);border-color:var(--pz);color:var(--white)}.tag-g4g{background:var(--g4g-wash);border-color:var(--g4g);color:var(--g4g)}.tag-bad{border-color:var(--stop);color:var(--stop);background:#fde8e8}.instructions{gap:.5em;font-size:1.3rem;line-height:1.5;display:grid}.instructions ol,.instructions ul{margin:0;padding-left:1.4em}.instructions li+li{margin-top:.25em}.task-pz .task-brief{background:var(--pz-wash);border-left-color:var(--pz)}.task-pz .task-brief h2{color:var(--pz)}.pz-logo{flex:none;width:72px;height:auto}.pz-panels{gap:12px;display:grid}.pz-stuck,.pz-stretch{background:var(--pz-wash);border:2px solid var(--pz);border-radius:var(--radius);padding:12px 18px;font-size:1.2rem}.pz-stuck-toggle{font:inherit;color:var(--pz);cursor:pointer;background:0 0;border:0;padding:0;font-weight:700}.pz-stuck ul,.pz-stretch ol{margin:8px 0 0}.pz-partial{color:var(--pz);margin-top:8px;font-weight:700}.pz-stretch h3{color:var(--pz);font-size:1.2rem}.book-prompt{background:var(--gold-wash);border-left:6px solid var(--gold);border-radius:var(--radius);align-items:flex-start;gap:14px;padding:14px 18px;display:flex}.book-icon{font-size:1.8rem}.book-prompt strong{font-size:1.1rem}.book-prompt .instructions{font-size:1.2rem}.finish-bar{background:var(--white);border:2px dashed var(--hairline);border-radius:var(--radius);flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;padding:16px;display:flex}.finish-bar.finished{border:2px solid var(--gold);background:var(--gold-wash)}.finish-done{align-items:center;gap:10px;font-size:1.25rem;font-weight:700;display:inline-flex}.finish-tick{background:var(--gold);width:36px;height:36px;color:var(--ink);border-radius:50%;place-items:center;display:grid}.task-nav{justify-content:space-between;align-items:center;gap:12px;margin-top:18px;display:flex}.attribution{color:var(--muted);margin-top:28px;font-size:.8rem}.workspace{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:14px;height:max(480px,100vh - 300px);display:grid}.pane{border-radius:var(--radius);min-height:0;box-shadow:var(--shadow);background:var(--white);border:2px solid var(--hairline);flex-direction:column;display:flex;overflow:hidden}.pane-bar{border-bottom:2px solid var(--hairline);background:var(--white);flex-wrap:wrap;align-items:center;gap:10px;padding:8px 12px;display:flex}.pane-name{font-family:var(--font-head);font-size:1.1rem;font-weight:700}.pane-foot{border-top:2px solid var(--hairline);gap:8px;padding:8px 12px;display:flex}.pane-output{border-color:var(--ink)}.pane-output .pane-bar{background:var(--ink);border-color:var(--ink-light);color:var(--output-ink);justify-content:space-between}.pane-output .btn-quiet{color:#fffc;border-color:#ffffff40}.pane-output .btn-quiet:hover:not(:disabled){border-color:var(--white);background:0 0}.run-controls{gap:8px;display:flex}.save-state{color:var(--muted);white-space:nowrap;margin-left:auto;font-size:.9rem}.save-saved{color:var(--ink-light)}.save-failed{color:var(--stop);font-weight:700}.code-editor{flex:1;min-height:0;overflow:hidden}.code-editor-readonly .cm-content{background:var(--grey-wash)}.version-tabs,.file-tabs{gap:4px;display:flex}.version-tabs{border-bottom:2px solid var(--hairline);padding:6px 10px 0}.version-tabs button,.file-tabs button{border:2px solid var(--hairline);background:var(--grey-wash);font:inherit;cursor:pointer;color:var(--muted);border-bottom:0;border-radius:8px 8px 0 0;padding:6px 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16px;overflow:auto}.output-empty{color:#9aa4b8;font-size:1.1rem}.output-text{font-family:var(--font-code);font-size:var(--code-size);white-space:pre-wrap;word-break:break-word;margin:0;line-height:1.55}.out-err{color:#ff9a9a}.out-in{color:var(--gold);font-weight:700}.out-sys{color:#9aa4b8}.output-input{display:inline}.output-input input{font:inherit;color:var(--gold);border:0;border-bottom:3px solid var(--gold);field-sizing:content;min-width:10ch;max-width:100%;caret-color:var(--gold);background:#c8912b26;outline:0;padding:0 4px;font-weight:700;animation:1.4s ease-in-out infinite input-glow}@keyframes input-glow{50%{border-bottom-color:#c8912b59}}.help-panel,.model-answer{background:var(--white);border:2px solid var(--hairline);border-radius:var(--radius);justify-items:start;gap:10px;padding:14px 18px;display:grid}.help-panel h3{font-size:1.3rem}.model-answer-toggle{font:inherit;font-family:var(--font-head);cursor:pointer;color:var(--ink);background:0 0;border:0;padding:0;font-size:1.3rem;font-weight:700}.model-answer-body{gap:10px;width:100%;display:grid}.code-view{border:2px solid var(--hairline);border-radius:8px;flex-direction:column;width:100%;max-height:340px;display:flex;overflow:hidden}.code-view.tall{max-height:50vh}.code-view .code-editor{overflow:auto}.code-view-label{font-family:var(--font-code);background:var(--grey-wash);border-bottom:1px solid var(--hairline);padding:4px 10px;font-size:.8rem}.g4g{background:var(--g4g-wash);border:2px solid var(--g4g);border-radius:var(--radius);justify-items:start;gap:12px;padding:16px 20px;display:grid}.g4g h3{color:var(--g4g);font-size:1.5rem}.g4g-steps{margin:0;padding-left:1.3em;font-size:1.2rem}.g4g-started{color:var(--g4g);font-weight:700}.pane-preview .pane-bar{justify-content:space-between}.web-preview{background:var(--white);border:0;flex:1;width:100%}.web-readonly{gap:10px;width:100%;display:grid}.resource{gap:18px;display:grid}.resource-actions{flex-wrap:wrap;gap:12px;display:flex}.resource-button{background:var(--white);border:2px solid var(--ink);border-radius:var(--radius);color:var(--ink);box-shadow:var(--shadow);align-items:center;gap:12px;padding:14px 20px;font-size:1.15rem;text-decoration:none;display:inline-flex}.resource-button:hover{background:var(--gold-wash)}.resource-icon{background:var(--ink);width:38px;height:38px;color:var(--white);border-radius:50%;place-items:center;font-weight:700;display:grid}.steps{gap:14px;margin:0;padding:0;list-style:none;display:grid}.step{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);gap:16px;padding:16px 20px;display:flex}.step-num{background:var(--ink);width:44px;height:44px;color:var(--white);font-family:var(--font-head);border-radius:50%;flex:none;place-items:center;font-size:1.3rem;font-weight:700;display:grid}.step-body{gap:12px;min-width:0;display:grid}.step-body img{border:2px solid var(--hairline);border-radius:8px;max-width:100%}.check{justify-items:start;gap:16px;display:grid}.check-q{background:var(--white);border:2px solid var(--hairline);border-radius:var(--radius);gap:12px;width:100%;margin:0;padding:16px 20px;display:grid}.check-q 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input{opacity:0;position:absolute}.check-option:hover{border-color:var(--muted)}.check-option.chosen{border-color:var(--ink);background:var(--grey-wash)}.check-option.key{border-color:var(--gold);background:var(--gold-wash)}.check-option:focus-within{outline:3px solid var(--focus)}.check-letter{background:var(--ink);width:32px;height:32px;color:var(--white);border-radius:6px;flex:none;place-items:center;font-weight:700;display:grid}.check-feedback{font-size:1.15rem;font-weight:700}.is-wrong .check-feedback{color:var(--stop)}.check-result{align-items:center;gap:16px;font-size:1.3rem;display:flex}.celebration{z-index:50;cursor:pointer;place-items:center;display:grid;position:fixed;inset:0}.celebration canvas{width:100%;height:100%;position:absolute;inset:0}.celebration-card{background:var(--ink);color:var(--white);border:4px solid var(--gold);box-shadow:var(--shadow-lift);border-radius:16px;justify-items:center;gap:6px;padding:26px 40px;font-size:1.2rem;animation:.5s cubic-bezier(.3,1.6,.5,1) both celebrate-in;display:grid;position:relative}.celebration-card strong{font-family:var(--font-head);color:var(--gold);font-size:2.2rem}.celebration-tick{background:var(--gold);width:64px;height:64px;color:var(--ink);border-radius:50%;place-items:center;font-size:2.2rem;font-weight:700;display:grid}@keyframes celebrate-in{0%{opacity:0;transform:scale(.6)}}.t-shell{grid-template-columns:220px minmax(0,1fr);min-height:100%;font-size:16px;display:grid}.t-nav{background:var(--ink);color:var(--white);border-right:4px solid var(--gold);flex-direction:column;gap:18px;height:100vh;padding:18px 14px;display:flex;position:sticky;top:0}.t-brand{font-family:var(--font-head);align-items:center;gap:10px;font-weight:700;display:flex}.t-brand small{color:var(--gold);font-family:var(--font-body);font-weight:700;display:block}.t-nav nav{gap:4px;display:grid}.t-nav nav a{color:#fffc;border-left:4px solid #0000;border-radius:8px;padding:10px 12px;font-weight:700;text-decoration:none}.t-nav nav a:hover{color:var(--white);background:var(--ink-light)}.t-nav nav a.active{color:var(--white);background:var(--ink-light);border-left-color:var(--gold)}.t-me{gap:8px;margin-top:auto;font-weight:700;display:grid}.t-main{min-width:0}.t-page{align-content:start;gap:18px;max-width:1100px;padding:24px 28px 60px;display:grid}.t-page-wide{max-width:none}.t-page h1{font-size:2rem}.t-page h1 small{font-family:var(--font-body);color:var(--muted);margin-left:8px;font-size:1rem;font-weight:400}.t-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--hairline);align-content:start;gap:12px;padding:18px 20px;display:grid}.t-card h2{font-size:1.35rem}.t-card h3,.t-card h4{margin-top:6px;font-size:1.1rem}.t-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.t-actions{flex-wrap:wrap;align-items:center;gap:6px;display:inline-flex}.t-actions .btn,.t-card .btn-quiet{padding:.35em .75em;font-size:.9rem}.t-inline-form{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}.t-inline-form h2{width:100%}.field{gap:4px;font-size:.95rem;font-weight:700;display:grid}.field small{font-weight:400}.field input,.field select,.field textarea,.option-edit input,.t-table select{font:inherit;border:2px solid var(--hairline);background:var(--white);color:var(--ink);border-radius:8px;padding:8px 10px;font-weight:400}.field textarea{resize:vertical}.field input:focus,.field select:focus,.field textarea:focus,.option-edit input:focus{border-color:var(--ink);outline:none}.check-inline{cursor:pointer;align-items:center;gap:8px;font-weight:700;display:inline-flex}.check-inline input{width:18px;height:18px}.t-section h2{margin-bottom:10px;font-size:1.3rem}.t-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.t-tile{background:var(--white);border:2px solid var(--hairline);border-left:5px solid var(--ink);border-radius:var(--radius);color:inherit;box-shadow:var(--shadow);gap:4px;padding:14px 16px;text-decoration:none;display:grid}.t-tile:hover{border-left-color:var(--gold)}.t-tile strong{font-size:1.2rem}.t-tile span{color:var(--muted);font-size:.9rem}.t-tile.archived{opacity:.55}.t-table{border-collapse:collapse;width:100%}.t-table td,.t-table th{text-align:left;border-bottom:1px solid var(--hairline);vertical-align:middle;padding:8px 10px}.t-table th{color:var(--muted);font-size:.85rem}.t-table.compact td{padding:5px 8px}.t-table tr.archived td{opacity:.5}.row-bad td{color:var(--stop)}.flash{background:var(--gold-wash);border-left:5px solid var(--gold);border-radius:8px;padding:10px 14px;font-weight:700}.flash-bad{border-left-color:var(--stop);color:var(--stop);background:#fde8e8}.t-columns{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px;display:grid}.t-results{gap:4px;margin:0;padding:0;list-style:none;display:grid}.t-results li{background:var(--grey-wash);border-radius:6px;justify-content:space-between;align-items:center;gap:8px;padding:6px 8px;display:flex}.t-steps{gap:8px;margin:0;padding-left:1.3em;display:grid}.t-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.t-list li{border:1px solid var(--hairline);border-radius:8px;justify-content:space-between;align-items:center;gap:8px;padding:8px 10px;display:flex}.t-list li a{color:inherit;text-decoration:none;display:grid}.t-list li a:hover strong{text-decoration:underline}.t-login{background:var(--ink);place-items:center;min-height:100%;padding:24px 16px;display:grid}.t-login .card{justify-items:start}.t-login .card img{justify-self:center}.t-login .field{width:100%}.t-center{padding:40px}.task-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.task-list>li{border:2px solid var(--hairline);border-radius:var(--radius);overflow:hidden}.task-list>li.pz{border-color:var(--pz)}.task-row{background:var(--grey-wash);justify-content:space-between;align-items:center;gap:8px;padding:6px 10px;display:flex}.task-row-open{font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;flex:1;align-items:center;gap:8px;padding:6px 0;display:flex}.task-row-num{background:var(--ink);width:28px;height:28px;color:var(--white);border-radius:50%;place-items:center;font-size:.85rem;font-weight:700;display:grid}.task-editor{background:var(--white);gap:12px;padding:16px;display:grid}.task-editor.pz{background:linear-gradient(var(--pz-wash), var(--white) 160px)}.pz-edit{border:2px solid var(--pz);border-radius:8px;gap:10px;padding:12px;display:grid}.task-editor-save{background:var(--white);border-top:1px solid var(--hairline);align-items:center;gap:12px;padding:10px 0;display:flex;position:sticky;bottom:0}.add-task{flex-wrap:wrap;align-items:center;gap:8px;font-weight:700;display:flex}.type-editor{gap:12px;display:grid}.bulk-upload{background:var(--gold-wash);border-radius:8px;flex-wrap:wrap;align-items:center;gap:12px;padding:12px;display:flex}.code-field{border:2px solid var(--hairline);border-radius:8px;overflow:hidden}.code-field-head{background:var(--grey-wash);justify-content:space-between;align-items:center;gap:8px;padding:6px 10px;font-size:.9rem;font-weight:700;display:flex}.code-field-editor{height:220px;display:flex}.code-field-editor .code-editor{width:100%;overflow:auto}.step-edit{border:1px solid var(--hairline);border-radius:8px;align-items:flex-start;gap:12px;padding:10px;display:flex}.step-thumb{border:1px solid var(--hairline);border-radius:6px;max-width:260px;max-height:160px}.check-edit{border:2px solid var(--hairline);border-radius:8px;gap:8px;padding:12px;display:grid}.option-edit{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.grid-scroll{max-height:70vh;overflow:auto}.progress-grid{border-collapse:separate;border-spacing:0}.progress-grid th,.progress-grid td{text-align:center;border-bottom:1px solid var(--hairline);padding:3px}.progress-grid thead th{background:var(--white);z-index:1;vertical-align:bottom;max-width:110px;font-size:.8rem;position:sticky;top:0}.progress-grid thead th.pz{color:var(--pz)}.progress-grid tbody th,.progress-grid tfoot th{text-align:left;white-space:nowrap;background:var(--white);padding-right:14px;position:sticky;left:0}.grid-task-num{font-size:1rem;font-weight:700;display:block}.grid-task-title{text-overflow:ellipsis;white-space:nowrap;font-weight:400;display:block;overflow:hidden}.grid-cell{border:2px solid var(--hairline);background:var(--white);width:64px;height:40px;font:inherit;cursor:pointer;vertical-align:middle;border-radius:6px;place-items:center;font-weight:700;display:inline-grid;position:relative}.grid-done{background:var(--gold);border-color:var(--gold);color:var(--ink)}.grid-started{background:var(--grey-wash);border-color:var(--muted)}.grid-score{font-size:.7rem;position:absolute;bottom:1px;right:4px}.grid-flag{background:var(--ink);width:18px;height:18px;color:var(--white);border-radius:50%;place-items:center;font-size:.65rem;display:grid;position:absolute;top:-6px;right:-6px}.grid-flag.grid-g4g{background:var(--g4g);right:14px}.grid-key{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.grid-key .grid-cell{cursor:default;width:28px;height:22px}.drawer{background:var(--white);border-left:4px solid var(--gold);z-index:20;align-content:start;gap:12px;width:min(720px,100%);padding:18px 22px;display:grid;position:fixed;top:0;bottom:0;right:0;overflow:auto;box-shadow:-10px 0 30px #12182b33}.drawer-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.drawer-output{border-radius:8px;height:220px;display:flex;overflow:hidden}.timer{background:var(--ink);color:var(--white);border-radius:var(--radius);border-top:8px solid var(--gold);justify-items:center;gap:18px;padding:40px 24px;display:grid}.timer:fullscreen{border-radius:0;align-content:center}.timer-pz{background:var(--pz);border-top-color:var(--white)}.timer-logo{background:var(--white);border-radius:12px;width:120px;padding:8px}.timer-rules{font-family:var(--font-head);font-size:1.6rem;font-weight:700}.timer-digits{font-family:var(--font-head);font-variant-numeric:tabular-nums;font-size:clamp(6rem,18vw,14rem);font-weight:700;line-height:1}.timer-bar{background:#fff3;border-radius:7px;width:min(800px,90%);height:14px;overflow:hidden}.timer-bar span{background:var(--gold);height:100%;transition:width .25s linear;display:block}.timer-pz .timer-bar span{background:var(--white)}.timer-up{font-family:var(--font-head);color:var(--gold);font-size:2.4rem;font-weight:700}.timer-controls{gap:12px;display:flex}.timer-presets{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.timer-presets button{color:var(--white);font:inherit;cursor:pointer;background:0 0;border:2px solid #ffffff59;border-radius:8px;padding:6px 12px;font-weight:700}.timer-presets button.active{background:var(--white);color:var(--ink)}@media (width<=860px){.workspace{grid-template-columns:1fr;height:auto}.pane-editor,.pane-preview{height:55vh}.pane-output{height:40vh}.page{padding:16px 16px 40px}.topbar{padding:8px 16px}.topbar-name,.task-step-title{display:none}.task-step{padding:4px}.card{padding:22px 18px}.task-brief{flex-direction:column}.t-shell{grid-template-columns:1fr}.t-nav{border-right:0;border-bottom:4px solid var(--gold);height:auto;position:static}.t-nav nav{flex-wrap:wrap;display:flex}.t-page{padding:18px 16px 48px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.t-page>.btn{justify-self:start}.pupil-app{flex-direction:column;min-height:100%;display:flex}.pupil-app>.shell{flex:1}.freeze{z-index:100;text-align:center;background:var(--ink);color:var(--white);border-top:10px solid var(--gold);place-content:center;justify-items:center;gap:18px;padding:24px 16px;display:grid;position:fixed;inset:0}.freeze-text{font-family:var(--font-head);font-size:clamp(3rem,9vw,7rem);font-weight:700;line-height:1.05}.freeze-sub{color:#ffffffbf;font-size:1.3rem}.live{z-index:60;background:var(--grey-wash);flex-direction:column;animation:.25s ease-out both rise;display:flex;position:fixed;inset:0}.live-bar{background:var(--ink);color:var(--white);border-bottom:4px solid var(--gold);justify-content:space-between;align-items:center;gap:12px;padding:10px 20px;display:flex}.live-kind{font-family:var(--font-head);color:var(--gold);font-size:1.4rem;font-weight:700}.live-pill{z-index:60;background:var(--gold);color:var(--ink);font:inherit;box-shadow:var(--shadow-lift);cursor:pointer;border:0;border-radius:999px;padding:14px 24px;font-size:1.15rem;font-weight:700;animation:1.6s ease-in-out infinite input-glow;position:fixed;bottom:20px;right:20px}.board-edit,.board-show,.hinge{flex-direction:column;flex:1;gap:16px;width:100%;max-width:1100px;min-height:0;margin:0 auto;padding:24px 20px;display:flex}.board-prompt{font-family:var(--font-head);font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:700;line-height:1.2}.board-input{min-height:180px;font:inherit;border:3px solid var(--ink);border-radius:var(--radius);background:var(--white);color:var(--ink);resize:none;flex:1;padding:18px 20px;font-size:clamp(1.8rem,3.6vw,2.6rem);line-height:1.3}.board-input:focus{outline:4px solid var(--gold);outline-offset:0}.board-buttons{align-items:center;gap:14px;display:flex}.board-show{text-align:center;justify-content:center;align-items:center}.board-prompt-small{color:var(--muted);font-size:1.3rem}.board-answer{font-family:var(--font-head);overflow-wrap:anywhere;max-height:65vh;font-size:clamp(2.6rem,7vw,6rem);font-weight:700;line-height:1.1;overflow:auto}.board-note{color:var(--ink-light);font-size:1.3rem;font-weight:700}.hinge-code{font-family:var(--font-code);background:var(--white);border:2px solid var(--hairline);border-radius:var(--radius);margin:0;padding:14px 18px;font-size:1.4rem;overflow:auto}.hinge-options{gap:12px;display:grid}.hinge-option{border:3px solid var(--hairline);border-radius:var(--radius);background:var(--white);font:inherit;text-align:left;color:var(--ink);cursor:pointer;align-items:center;gap:16px;padding:16px 20px;font-size:1.5rem;display:flex}.hinge-option:hover:not(:disabled){border-color:var(--ink)}.hinge-option:disabled{cursor:default}.hinge-option .check-letter{width:44px;height:44px;font-size:1.3rem}.hinge-option.chosen{border-color:var(--ink);background:var(--grey-wash)}.hinge-option.right{border-color:var(--gold);background:var(--gold-wash)}.hinge-option.wrong{border-color:var(--stop)}.live-freeze-card{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.live-freeze-card.frozen{border-left:6px solid var(--gold);background:var(--gold-wash)}.live-count{font-size:1.2rem}.live-count strong{font-size:1.8rem}.board-tiles{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.board-tile{text-align:left;border:2px solid var(--hairline);border-radius:var(--radius);background:var(--white);width:100%;height:100%;font:inherit;cursor:pointer;align-content:start;gap:6px;padding:12px 14px;display:grid}.board-tile:hover:not(:disabled){border-color:var(--ink)}.board-tile.pinned{border-color:var(--gold);background:var(--gold-wash)}.board-tile-name{color:var(--muted);font-size:.85rem;font-weight:700}.board-tile-text{overflow-wrap:anywhere;font-size:1.2rem}.hinge-preview{background:var(--grey-wash);border-radius:8px;gap:8px;padding:12px;display:grid}.hinge-preview ol{margin:0}.hinge-preview li.right{font-weight:700}.hinge-bars{gap:10px;margin:0;padding:0;list-style:none;display:grid}.hinge-bars li{border:2px solid var(--hairline);border-radius:8px;grid-template-columns:auto minmax(160px,1.2fr) 2fr auto;grid-template-areas:"letter label bar n"".names names names";align-items:center;gap:4px 12px;padding:8px 10px;display:grid}.hinge-bars li.right{border-color:var(--gold)}.hinge-bars .check-letter{grid-area:letter}.hinge-bar-label{grid-area:label}.hinge-bar{background:var(--grey-wash);border-radius:9px;grid-area:bar;height:18px;overflow:hidden}.hinge-bar span{background:var(--ink-light);height:100%;transition:width .3s;display:block}.hinge-bars li.right .hinge-bar span{background:var(--gold)}.hinge-names{grid-area:names}.projector{background:var(--ink);min-height:100%;color:var(--white);border-top:10px solid var(--gold);flex-direction:column;display:flex;position:relative}.projector-controls{opacity:.35;z-index:2;gap:8px;transition:opacity .2s;display:flex;position:absolute;top:14px;right:16px}.projector-controls:hover,.projector-controls:focus-within{opacity:1}.projector-idle{flex:1;place-content:center;justify-items:center;gap:12px;display:grid}.projector-title{font-family:var(--font-head);font-size:4rem;font-weight:700}.projector-sub{color:var(--gold);font-size:2rem}.projector-round{flex-direction:column;flex:1;gap:28px;padding:48px 6vw 40px;display:flex}.projector-prompt{font-family:var(--font-head);font-size:clamp(2.2rem,4.4vw,4rem);font-weight:700;line-height:1.15}.projector-code{font-family:var(--font-code);border-radius:var(--radius);background:#ffffff14;margin:0;padding:16px 22px;font-size:clamp(1.4rem,2.4vw,2.2rem)}.projector-answer{text-align:center;background:var(--white);color:var(--ink);border-bottom:10px solid var(--gold);border-radius:16px;flex:1;place-content:center;gap:18px;padding:32px;display:grid}.projector-answer p:first-child{font-family:var(--font-head);overflow-wrap:anywhere;font-size:clamp(2.8rem,7vw,7rem);font-weight:700;line-height:1.1}.projector-name{color:var(--muted);font-size:2rem}.projector-waiting{color:#fffc;flex:1;place-content:center;font-size:3rem;display:grid}.projector-waiting strong{color:var(--gold);text-align:center;font-size:8rem}.projector-bars{gap:18px;margin:0;padding:0;list-style:none;display:grid}.projector-bars li{grid-template-columns:auto minmax(200px,1fr) 2fr 90px;align-items:center;gap:20px;font-size:clamp(1.6rem,2.6vw,2.4rem);display:grid}.projector-letter{background:var(--white);width:64px;height:64px;color:var(--ink);border-radius:10px;place-items:center;font-weight:700;display:grid}.projector-bar{background:#ffffff1f;border-radius:20px;height:40px;overflow:hidden}.projector-bar span{background:#ffffffb3;height:100%;transition:width .4s;display:block}.projector-bars li.right .projector-letter,.projector-bars li.right .projector-bar span{background:var(--gold)}.projector-bars li.right .projector-option{color:var(--gold);font-weight:700}.projector-n{text-align:right;font-weight:700}.projector-foot{color:#ffffffb3;font-size:1.6rem}.lock{gap:14px;display:grid}.lock-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.lock-dot{border:2px solid var(--hairline);background:var(--white);width:40px;height:40px;color:var(--muted);border-radius:10px;place-items:center;font-weight:700;display:grid}.lock-dot.current{border-color:var(--ink);color:var(--ink)}.lock-dot.open{background:var(--gold);border-color:var(--gold);color:var(--ink)}.lock-count{margin-left:6px;font-weight:700}.lock-card{background:var(--white);border:2px solid var(--hairline);border-radius:var(--radius);gap:8px;padding:16px 20px;display:grid}.lock-card h3{font-size:1.3rem}.lock-card.open{border-color:var(--gold);background:var(--gold-wash)}.lock-card.locked{opacity:.6}.lock-card.current{border-color:var(--ink);box-shadow:var(--shadow);align-items:flex-start;gap:24px;display:flex}.lock-card.current .padlock{flex:none}.lock-body{flex:1;justify-items:start;gap:10px;min-width:0;display:grid}.lock-explain{color:var(--ink-light);font-weight:700}.lock-hint{background:var(--grey-wash);border-radius:8px;padding:8px 12px}.lock-form{flex-wrap:wrap;gap:10px;width:100%;display:flex}.lock-input{min-width:200px;font-family:var(--font-code);letter-spacing:.06em;border:3px solid var(--ink);border-radius:8px;flex:1;padding:10px 14px;font-size:1.6rem}.lock-input:focus{outline:4px solid var(--gold);outline-offset:0}.lock-key{font-family:var(--font-code);color:var(--ink-light)}.lock-done{border:2px solid var(--gold);border-radius:var(--radius);background:var(--gold-wash);align-items:center;gap:14px;padding:16px 20px;font-size:1.3rem;display:flex}.written{gap:12px;display:grid}.written-prompt{font-family:var(--font-head);font-size:1.5rem;font-weight:700}.starters{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.starter{border:2px dashed var(--ink-light);background:var(--white);font:inherit;cursor:pointer;border-radius:999px;padding:6px 14px;font-size:1.05rem}.starter:hover{background:var(--gold-wash);border-style:solid}.written-input{min-height:260px;font:inherit;border:2px solid var(--ink);border-radius:var(--radius);resize:vertical;padding:16px 18px;font-size:1.4rem;line-height:1.5}.written-input:focus{outline:4px solid var(--gold);outline-offset:0}.written-input[readonly]{background:var(--grey-wash)}.written-foot{justify-content:space-between;gap:12px;display:flex}.written-enough{font-weight:700}.model-text{border-left:5px solid var(--hairline);background:var(--white);white-space:pre-wrap;margin:0;padding:12px 16px;font-size:1.15rem}.grid-read-all{margin:4px auto 0;display:block;padding:2px 8px!important;font-size:.75rem!important}.answer-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.answer-list li{border:2px solid var(--hairline);border-radius:8px;gap:6px;padding:10px 12px;display:grid}.answer-list li.showing{border-color:var(--gold);background:var(--gold-wash)}.answer-text{white-space:pre-wrap;overflow-wrap:anywhere}@media (width<=860px){.lock-card.current{flex-direction:column}}.predict{border:3px solid var(--ink);border-radius:var(--radius);background:var(--white);justify-items:start;gap:10px;padding:16px 20px;font-size:1.2rem;display:grid}.predict h3{font-size:1.4rem}.predict.locked{border-width:2px;border-color:var(--gold);background:var(--gold-wash);display:block}.predict-value{font-family:var(--font-code)}.predict-options{flex-wrap:wrap;gap:10px;display:flex}.predict-option{border:2px solid var(--hairline);background:var(--white);font-family:var(--font-code);cursor:pointer;border-radius:8px;padding:10px 16px;font-size:1.15rem}.predict-option:hover{border-color:var(--ink)}.predict-option.chosen{border-color:var(--ink);background:var(--grey-wash);font-weight:700}.predict-input{width:100%;font:inherit;border:2px solid var(--ink);border-radius:8px;padding:10px 12px}.tests{border:2px solid var(--hairline);border-radius:var(--radius);background:var(--white);gap:10px;padding:16px 20px;display:grid}.tests h3{font-size:1.3rem}.tests.all-passed{border-color:var(--gold);background:var(--gold-wash)}.test-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.test-list li{align-items:flex-start;gap:12px;font-size:1.1rem;display:flex}.test-mark{border:2px solid var(--hairline);border-radius:50%;flex:none;place-items:center;width:30px;height:30px;font-weight:700;display:grid}.test-list li.passed .test-mark{background:var(--gold);border-color:var(--gold);color:var(--ink)}.test-list li.failed .test-mark{border-color:var(--stop);color:var(--stop)}.test-reason{color:var(--stop);overflow-wrap:anywhere;margin-top:2px;font-weight:700;display:block}.test-edit{border:1px solid var(--hairline);border-radius:8px;gap:6px;padding:10px;display:grid}.test-bench{background:var(--grey-wash);border-radius:8px;justify-items:start;gap:10px;padding:12px;display:grid}.year-tabs{border-bottom:3px solid var(--ink);flex-wrap:wrap;gap:6px;display:flex}.year-tabs button{border:2px solid var(--hairline);background:var(--white);font:inherit;color:var(--muted);cursor:pointer;border-bottom:0;border-radius:8px 8px 0 0;align-items:center;gap:8px;padding:8px 16px;font-weight:700;display:inline-flex}.year-tabs button[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:var(--white)}.year-tab-count{background:var(--grey-wash);min-width:22px;height:22px;color:var(--ink);border-radius:11px;place-items:center;padding:0 6px;font-size:.75rem;display:grid}.year-tabs button[aria-selected=true] .year-tab-count{background:var(--gold)}.tag-band{background:var(--white);margin-left:0}.link-button{font:inherit;color:var(--ink-light);cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.move-year select{font:inherit;border:2px solid var(--hairline);background:var(--white);border-radius:8px;padding:4px 8px;font-size:.9rem}.other-classes summary{cursor:pointer;padding:6px 0;font-weight:700}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.tile-big.tile-club{font-size:2.6rem}.modal-backdrop{z-index:40;background:#12182b8c;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal{border-radius:var(--radius);border-top:6px solid var(--gold);background:var(--white);width:min(640px,100%);max-height:calc(100vh - 32px);box-shadow:var(--shadow-lift);gap:12px;padding:22px 24px;display:grid;overflow:auto}.modal h2{font-size:1.5rem}.modal-foot{border-top:1px solid var(--hairline);background:var(--white);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:12px 0 0;display:flex;position:sticky;bottom:-22px}.post-year{border:2px solid var(--hairline);border-radius:8px;padding:10px 12px}.post-year-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.post-classes{gap:6px;margin:8px 0 0;padding:0 0 0 26px;list-style:none;display:grid}.post-classes .check-inline{font-weight:400}.posted-chips{flex-wrap:wrap;justify-content:flex-end;gap:4px;margin-left:auto;display:flex}.chip{background:var(--ink);color:var(--white);border-radius:999px;padding:2px 10px;font-size:.8rem;font-weight:700;display:inline-block}.classwork-topic{gap:8px;display:grid}.classwork-topic h3{font-size:1.15rem}