/* Classroom — quiet, legible stationery, with explicit navigation and actions. */
.cr-heading p{font-size:16px;max-width:630px}.cr-tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin:0 0 26px;overflow-x:auto;padding:0 0 1px}.cr-tabs button{padding:13px 18px;min-height:48px;white-space:nowrap;font-size:15px;border-bottom:3px solid transparent;color:var(--muted);font-weight:600}.cr-tabs button[aria-current=page]{color:var(--accent);border-bottom-color:var(--accent)}.cr-tabs button:hover{background:var(--accent-soft)}
.cr-intro-grid,.cr-learning-top{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:22px}.cr-intro-grid article{padding:26px;border:1px solid var(--line);background:var(--panel);border-radius:8px}.cr-intro-grid p{margin-top:12px;color:var(--muted)}.cr-code-panel{border-left:3px solid var(--accent)}.cr-code-panel h2{font-size:25px;margin:10px 0}.cr-code-panel p{font-size:15px;line-height:1.6;margin:12px 0}.cr-code{font:600 clamp(16px,1.8vw,23px)/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.03em;background:var(--bg);border:1px dashed var(--line);padding:14px 12px;margin:20px 0;word-break:break-all;border-radius:5px}.cr-counts{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:19px 0 23px}.cr-counts strong{font-size:47px;font-weight:500;line-height:1}.cr-counts span{display:block;font-size:14px;color:var(--muted);margin-top:10px}.cr-workload>p{font-size:15px;margin:14px 0 22px;line-height:1.7}
.cr-section{margin-top:32px}.cr-section>h2{font-size:25px;margin-bottom:12px}.cr-section>p{font-size:15px;margin-bottom:18px}.cr-section-heading{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:25px 0 20px}.cr-section-heading h2{font-size:28px}.cr-section-heading p{font-size:15px;color:var(--muted);margin-top:7px}.cr-section .section-title h2{font-size:25px}.cr-section .section-title p{font-size:14px}.cr-empty{padding:36px 28px;border:1px dashed var(--line);border-radius:8px;background:var(--panel);text-align:center}.cr-empty h2{font-size:25px;margin:8px 0 12px}.cr-empty p{font-size:15px;color:var(--muted);max-width:560px;margin:0 auto 20px;line-height:1.7}.cr-empty-symbol{color:var(--accent);margin-bottom:13px}.cr-empty-symbol .icon{width:37px;height:37px}.cr-empty>.btn{margin:0}.cr-notice{padding:17px 20px;margin:18px 0;background:var(--accent-soft);border-left:3px solid var(--accent);font-size:14px;line-height:1.65;border-radius:2px 5px 5px 2px}.cr-notice p{margin-top:8px}.cr-warning{background:var(--wrong-bg);border-color:var(--wrong)}
.cr-pill{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:4px;padding:4px 8px;font-size:12px;line-height:1.4;font-weight:500;color:var(--muted);background:var(--panel)}.cr-pill.soft,.cr-pill.good{background:var(--accent-soft);color:var(--accent)}.cr-badges{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:8px}.cr-task-list{display:grid;gap:12px}.cr-task-card{display:flex;align-items:center;gap:20px;padding:21px 24px;border:1px solid var(--line);border-radius:8px;background:var(--panel);min-width:0}.cr-task-mark{width:46px;height:52px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);border-radius:4px;flex-shrink:0}.cr-task-mark .icon{width:27px;height:27px}.cr-task-copy{flex:1;min-width:0}.cr-task-copy h3{font-size:22px;line-height:1.35;overflow-wrap:anywhere;letter-spacing:-.025em}.cr-task-copy p{font-size:14px;color:var(--muted);margin:6px 0}.cr-task-copy .small{font-size:13px}.cr-task-card>.button-row{justify-content:flex-end;gap:10px}.cr-task-card .btn{white-space:nowrap;min-height:39px}.cr-task-card .text-btn{font-size:13px}
.cr-request-grid,.cr-grade-cards,.cr-class-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.cr-request h3{font-size:23px;margin:10px 0}.cr-request p{font-size:15px;line-height:1.65;margin:10px 0 15px}.cr-request .text-btn{margin-left:18px}.cr-grade-cards .cr-overall{margin-top:12px}.cr-grade-cards p{font-size:14px;margin-bottom:18px;color:var(--muted)}.cr-connections{display:grid;gap:12px}.cr-connections article{display:flex;align-items:center;justify-content:space-between;gap:16px}.cr-connections h3{font-size:21px}.cr-connections p{font-size:14px;margin-top:7px;color:var(--muted)}.cr-class-grid .panel{display:flex;flex-direction:column;gap:15px}.cr-class-grid h2{font-size:26px;overflow-wrap:anywhere}.cr-class-grid p{font-size:15px;color:var(--muted);line-height:1.6;flex:1}.cr-class-grid strong{font-size:14px;font-weight:500}.cr-class-grid .btn{align-self:flex-start}.cr-independent{border-color:var(--accent)}
.cr-teacher-bar{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:16px 20px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}.cr-teacher-bar strong{display:block;font-size:17px;font-weight:600}.cr-teacher-bar span{display:block;font-size:13px;color:var(--muted);margin-top:4px}.cr-group-select{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted)}.cr-group-select select{width:auto;max-width:240px;font-size:14px;min-height:39px;margin:0}.cr-roster{border:1px solid var(--line);border-radius:8px;background:var(--panel);overflow:hidden}.cr-student-row{display:flex;align-items:center;gap:17px;padding:22px;border-bottom:1px solid var(--line)}.cr-student-row:last-child{border-bottom:0}.cr-student-row>.avatar{width:38px;height:38px;font-size:13px}.cr-student-copy{flex:1;min-width:0}.cr-student-copy h3{font-size:21px;overflow-wrap:anywhere}.cr-student-copy p{font-size:14px;margin:4px 0;color:var(--muted)}.cr-roster-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;max-width:360px;flex-wrap:wrap}.cr-roster-actions .text-btn{font-size:13px;padding:6px}.cr-pending{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--line);padding:13px 0;font-size:14px}
.cr-history{margin:25px 0;border-top:1px solid var(--line);padding-top:16px}.cr-history>summary{cursor:pointer;font-size:16px;font-weight:600;margin-bottom:14px}.cr-history p{font-size:14px;line-height:1.6;margin:12px 0}.cr-overall{font-size:47px;font-weight:500;line-height:1.2;letter-spacing:-.04em;margin:12px 0}.cr-weight-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:7px;background:var(--panel);margin:20px 0}.cr-weight-strip>div{padding:18px 20px;border-right:1px solid var(--line)}.cr-weight-strip>div:last-child{border:0}.cr-weight-strip span{font-size:13px;display:block;color:var(--muted);margin-bottom:8px}.cr-weight-strip strong{font-size:25px;font-weight:500;display:block}.cr-weight-strip small{font-size:12px;color:var(--muted)}.cr-table-wrap{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:7px;background:var(--panel);scrollbar-width:thin}.cr-gradebook,.cr-report-table{width:100%;border-collapse:collapse;text-align:left}.cr-gradebook th,.cr-gradebook td,.cr-report-table th,.cr-report-table td{padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:middle;font-size:14px}.cr-gradebook thead th,.cr-report-table thead th{background:var(--bg);font-size:13px;color:var(--muted);font-weight:500;line-height:1.4}.cr-gradebook th:first-child{position:sticky;left:0;background:var(--panel);z-index:1;min-width:155px}.cr-gradebook thead th:first-child{background:var(--bg)}.cr-gradebook th>span{display:block;width:160px;white-space:normal;overflow-wrap:anywhere;color:var(--ink);font-weight:600}.cr-gradebook th small{display:block;font-size:11px;margin-top:6px}.cr-grade-cell{display:block;width:100%;min-width:130px;padding:9px;text-align:left;border:1px solid transparent;border-radius:4px}.cr-grade-cell:hover,.cr-grade-cell:focus-visible{border-color:var(--accent);background:var(--accent-soft)}.cr-grade-cell strong{font-size:18px;font-weight:600;display:block}.cr-grade-cell small{display:block;font-size:12px;color:var(--muted);margin-top:6px;white-space:nowrap}.cr-gradebook tbody tr:last-child>*{border-bottom:0}.cr-gradebook tbody tr:hover>th{background:var(--accent-soft)}
/* Real, scrollable dialogs: primary actions stay reachable, no clipped prompt. */
.cr-dialog,.cr-work,.full-problem-dialog{padding:0;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);box-shadow:var(--shadow);max-width:calc(100vw - 32px);max-height:92dvh;width:640px}.cr-dialog::backdrop,.cr-work::backdrop,.full-problem-dialog::backdrop{background:#12231bb3;backdrop-filter:blur(2px)}.cr-dialog[open],.cr-work[open],.full-problem-dialog[open]{display:flex;flex-direction:column;overflow:hidden}.cr-dialog .dialog-header,.cr-work .dialog-header,.full-problem-dialog .dialog-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:20px 25px;gap:20px;border-bottom:1px solid var(--line)}.cr-dialog .dialog-header h2{font-size:24px;max-width:none}.cr-modal-body{overflow:auto;overscroll-behavior:contain;padding:25px 28px;font-size:15px;min-height:0}.cr-modal-body>p{margin:0 0 18px;line-height:1.7}.cr-modal-body h3{font-size:23px;margin:20px 0 12px}.cr-modal-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}.cr-modal-body .small{font-size:13px;line-height:1.65}.cr-wide{width:940px}.cr-report-dialog{width:1100px}.cr-field{display:block;font-size:14px;font-weight:500;line-height:1.55;margin:16px 0}.cr-field input,.cr-field select,.cr-field textarea{display:block;margin-top:7px;width:100%;font-size:16px;min-height:43px;line-height:1.5}.cr-field textarea{font:inherit;font-size:15px;resize:vertical}.cr-modal-body fieldset{border:0;padding:0;margin:18px 0}.cr-modal-body legend{font-size:14px;font-weight:500;margin-bottom:10px}.cr-modal-body .check-label{align-items:flex-start;font-size:15px;line-height:1.5}.cr-modal-body input[type=checkbox],.cr-modal-body input[type=radio]{accent-color:var(--accent);width:17px;height:17px;flex-shrink:0;vertical-align:middle}.cr-check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:16px 0}.cr-check-list label{padding:12px;border:1px solid var(--line);border-radius:5px;background:var(--bg);overflow-wrap:anywhere}.cr-help-steps article{display:flex;gap:20px;margin:0 0 23px}.cr-help-steps article>b{width:32px;height:32px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex-shrink:0}.cr-help-steps h3{margin:0 0 10px}.cr-help-steps p{line-height:1.7}
.cr-form-section{margin:0 -28px;padding:8px 28px 24px;border-bottom:1px solid var(--line)}.cr-form-section+.cr-form-section{padding-top:24px}.cr-form-section>.eyebrow{display:block;margin:3px 0 19px}.cr-kind-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.cr-kind-options label{padding:14px 13px;border:1px solid var(--line);border-radius:6px;display:flex;gap:9px;align-items:flex-start;cursor:pointer}.cr-kind-options label:has(:checked){border-color:var(--accent);background:var(--accent-soft)}.cr-kind-options strong{font-size:14px;display:block;line-height:1.4}.cr-kind-options small{font-size:12px;display:block;line-height:1.5;margin-top:7px;color:var(--muted)}.cr-two-cols,.cr-three-cols{display:grid;gap:22px;align-items:start}.cr-two-cols{grid-template-columns:1fr 1fr}.cr-three-cols{grid-template-columns:1fr 1fr 1fr}.cr-topic-checks{display:grid;grid-template-columns:1fr 1fr;gap:11px}.cr-topic-checks label{padding:13px;border:1px solid var(--line);border-radius:6px;background:var(--bg);align-items:center!important;font-size:14px!important;gap:9px;cursor:pointer}.cr-topic-checks label:has(:checked){border-color:var(--accent);background:var(--accent-soft)}.cr-topic-checks .topic-glyph{width:35px;height:28px;flex-shrink:0}.cr-topic-checks span{min-width:0}.cr-level-checks{display:flex;gap:8px;flex-wrap:wrap}.cr-level-checks label{position:relative;cursor:pointer}.cr-level-checks input{position:absolute;opacity:0}.cr-level-checks span{width:39px;height:42px;border:1px solid var(--line);border-radius:5px;display:grid;place-items:center;background:var(--bg);font-size:15px}.cr-level-checks input:checked+span{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.cr-level-checks input:focus-visible+span{outline:2px solid var(--accent);outline-offset:3px}.cr-radio-row{display:flex;gap:25px;flex-wrap:wrap}.cr-feedback-rule{font-size:14px;color:var(--muted);line-height:1.6;margin:17px 0}.cr-form-footer{position:sticky;bottom:-25px;margin:20px -28px -25px;padding:18px 28px;background:var(--panel);border-top:1px solid var(--line);display:flex;gap:13px;z-index:2}.cr-error{margin:12px 0;font-size:14px}.cr-weight-total{font-size:16px;line-height:1.6}.cr-invalid{color:var(--wrong)}.cr-result-students article{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line);gap:18px}.cr-result-students p{font-size:14px;margin-top:5px;color:var(--muted)}
/* Reports deliberately disclose retained scope, not a fabricated full history. */
.cr-report-top{display:flex;justify-content:space-between;align-items:center;gap:20px}.cr-report-top h2{font-size:32px;margin:8px 0}.cr-report-top p{font-size:14px;color:var(--muted)}.cr-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:20px 0}.cr-metrics strong{font-size:34px;font-weight:500;display:block}.cr-metrics span{display:block;font-size:14px;color:var(--muted);margin-top:8px}.cr-report-topics>details{border:1px solid var(--line);border-radius:5px;margin:10px 0}.cr-report-topics>details>summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:16px 18px;font-size:16px;gap:18px}.cr-report-topics>details>summary>span{display:flex;align-items:center;gap:13px;min-width:0}.cr-report-topics>details>summary:after{content:'+';color:var(--muted)}.cr-report-topics>details[open]>summary:after{content:'−'}.cr-report-topic-body{padding:0 20px 20px}.cr-report-topic-body>p{font-size:14px;margin:10px 0}.cr-skill-list>div{display:grid;grid-template-columns:minmax(0,1fr) 100px 130px;gap:15px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center;font-size:14px}.cr-skill-list strong{font-size:13px;font-weight:500}.cr-skill-list small{font-size:12px;color:var(--muted)}.cr-report-history{display:flex;flex-wrap:wrap;gap:9px 17px;margin:14px 0;font-size:13px}.cr-report-topic-body>details>summary{cursor:pointer;font-size:14px;margin-top:16px}.cr-answer-review{padding:16px;border:1px solid var(--line);border-radius:5px;margin:14px 0;background:var(--bg);font-size:14px;line-height:1.65}.cr-answer-review p{margin:0 0 10px}.cr-answer-review>div{overflow:auto}.cr-answer-review math{font-size:23px;vertical-align:middle}.cr-answer-review small{display:block;margin-top:10px;font-size:12px}.cr-recent-answer{border-bottom:1px solid var(--line);padding:10px 0}.cr-recent-answer>summary{cursor:pointer;font-size:14px}.cr-math{font-size:28px;margin:14px 0;max-width:100%;overflow:auto;padding:6px 2px}.cr-math math{font-size:inherit}
/* Student assignment workspace. Question text grows naturally; no crop-to-card. */
.cr-work{width:1180px;height:92dvh}.cr-work.cr-fullscreen{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;border:0;border-radius:0}.cr-work-header h2{font-size:24px;line-height:1.3;margin:5px 0;overflow-wrap:anywhere;max-width:none!important}.cr-work-header p{font-size:13px;color:var(--muted);line-height:1.5}.cr-work-header>.button-row{flex-shrink:0}.cr-task-progress{display:flex;align-items:center;gap:17px;padding:13px 25px;border-bottom:1px solid var(--line);font-size:13px;flex-shrink:0}.cr-task-progress>div{height:4px;background:var(--line);flex:1;border-radius:2px;overflow:hidden;min-width:25px}.cr-task-progress i{display:block;background:var(--accent);height:100%}.cr-assignment-instructions{padding:14px 25px;border-bottom:1px solid var(--line);font-size:14px;flex-shrink:0;max-height:135px;overflow:auto;line-height:1.6}.cr-assignment-instructions>p{white-space:pre-wrap;margin-top:5px}.cr-question-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 25px;border-bottom:1px solid var(--line);background:var(--bg);flex-shrink:0}.cr-question-actions>span.small{margin-left:auto;font-size:12px}.cr-work-body{flex:1;min-height:0;overflow:auto;display:grid;grid-template-columns:minmax(0,1fr) 205px;align-items:start;overscroll-behavior:contain}.cr-work-main{min-width:0;padding:28px 34px}.cr-problem-block .scratch-question{padding:0;border:0;background:none;overflow:visible;min-width:0;max-height:none;height:auto}.cr-problem-block .scratch-question-topic{margin-bottom:18px}.cr-problem-block .scratch-question h3{font-size:28px}.cr-problem-block .problem-prompt{font-size:18px;line-height:1.8;overflow-wrap:anywhere}.cr-problem-block .scratch-expression math{font-size:33px}.cr-problem-block .scratch-diagram .geometry-diagram{width:100%;max-width:650px}.cr-problem-block #cr-answer-form{margin-top:27px}.cr-problem-block .math-editor{margin:0 0 25px}.cr-problem-block .math-editor>label{font-size:15px}.cr-question-index{border-left:1px solid var(--line);padding:27px 20px;align-self:stretch;background:var(--bg)}.cr-question-index>div{display:flex;gap:8px;flex-wrap:wrap;margin:17px 0 22px}.cr-index-button{border:1px solid var(--line);border-radius:5px;min-width:39px;min-height:38px;font-size:13px;padding:7px;background:var(--panel)}.cr-index-button.selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.cr-question-index>p{font-size:13px;line-height:1.7;color:var(--muted);margin:13px 0}.cr-work-footer{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:14px 25px;border-top:1px solid var(--line);background:var(--panel);gap:15px}.cr-work-footer>span{font-size:14px;color:var(--muted)}.cr-choice-answers{border:0;padding:0;margin:0 0 24px}.cr-choice-answers legend{font-size:15px;margin:0 0 15px;color:var(--muted)}.cr-choice-answers>label{display:flex;align-items:center;gap:15px;padding:17px;border:1px solid var(--line);border-radius:6px;margin-bottom:11px;min-width:0;cursor:pointer}.cr-choice-answers>label:has(:checked){border-color:var(--accent);background:var(--accent-soft)}.cr-choice-answers input{accent-color:var(--accent);width:17px;height:17px;flex-shrink:0}.cr-choice-letter{font-size:13px;color:var(--muted);flex-shrink:0}.cr-choice-answers>label>span:last-child{overflow:auto;min-width:0;font-size:17px}.cr-choice-answers math{font-size:29px}.cr-saved-answer{padding:16px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:5px;background:var(--accent-soft);font-size:15px;margin:16px 0}.cr-worked-solution{margin:22px 0}.cr-worked-solution>summary{font-size:17px;font-weight:600;cursor:pointer;margin-bottom:17px}.cr-worked-solution>div{margin:15px 0;padding-left:15px;border-left:2px solid var(--line)}.cr-worked-solution p{font-size:15px;line-height:1.7}.cr-worked-solution>p{margin:15px 0}.cr-submission-note{border-top:1px solid var(--line);margin-top:27px;padding-top:20px}.cr-submission-note p{font-size:15px;margin-top:12px;line-height:1.7}.cr-lesson{margin-bottom:35px}.cr-lesson>h3{font-size:29px;margin:10px 0 15px}.cr-lesson>p{font-size:17px;line-height:1.75}.cr-lesson-step{display:flex;align-items:flex-start;gap:17px;margin:23px 0}.cr-lesson-step>b{background:var(--accent-soft);color:var(--accent);width:30px;height:30px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;font-size:14px}.cr-lesson-step>div{min-width:0}.cr-lesson-step p{font-size:16px;line-height:1.75}
/* Full problem reader: the whole content remains accessible at readable scale. */
.full-problem-dialog{width:1080px;height:92dvh}.full-problem-dialog .dialog-header h2{font-size:26px;line-height:1.4;overflow-wrap:anywhere;margin-top:6px;max-width:none}.problem-reader-controls{padding:13px 26px;display:flex;justify-content:space-between;align-items:center;gap:15px;background:var(--bg);border-bottom:1px solid var(--line);font-size:14px;flex-shrink:0}.problem-reader-body{overflow:auto;flex:1;min-height:0;overscroll-behavior:contain}.problem-reader-body>.scratch-question{max-width:880px;margin:0 auto;overflow:visible;border:0;background:transparent;padding:32px 35px;height:auto;max-height:none}.problem-reader-body .problem-prompt{font-size:20px;line-height:1.85;white-space:normal;overflow-wrap:anywhere}.problem-reader-body .scratch-expression{padding:12px 0;max-width:100%;overflow-x:auto}.problem-reader-body .scratch-expression math{font-size:37px}.problem-reader-body .scratch-diagram svg{width:100%;height:auto;max-height:none;overflow:visible}.problem-reader-body .scratch-diagram{padding:10px 12px}.problem-reader-body .scratch-choice{padding:20px;min-width:0}.problem-reader-body .scratch-choice>span{min-width:0;max-width:100%;overflow:auto;font-size:18px}.problem-reader-body .scratch-choice math{font-size:32px}.problem-reader-body .shape-givens{font-size:16px}.reader-large .problem-reader-body .problem-prompt{font-size:24px}.reader-large .scratch-expression math{font-size:43px}.reader-large .scratch-choice math{font-size:38px}.scratch-reader-button{display:block;margin:0 0 19px auto;position:sticky;top:0;z-index:1;box-shadow:0 2px 8px #00000008}.question-tools [data-action=read-full-problem]{font-weight:600}
@media(max-width:1100px){.cr-section-heading{align-items:flex-start;flex-direction:column}.cr-roster-actions{max-width:275px}.cr-task-card{padding:19px}.cr-task-card>.button-row{max-width:210px}.cr-learning-top{grid-template-columns:1fr 1fr}}
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