._preview_1hhrd_1{color:#19384b;overflow-wrap:anywhere;background:#f4f9fa;border:1px solid #d2e2e4;border-radius:24px;margin:32px 0;scroll-margin-top:100px}._preview_1hhrd_1 *{box-sizing:border-box}._header_1hhrd_13,._next_1hhrd_14{padding:clamp(20px,3vw,32px)}._header_1hhrd_13{background:linear-gradient(115deg,#e9f6f5,#f0edfc);border-radius:24px 24px 0 0}._header_1hhrd_13 h2{letter-spacing:-.025em;margin:10px 0;font-size:clamp(1.5rem,3vw,2rem);line-height:1.3}._header_1hhrd_13>p{max-width:800px}._eyebrow_1hhrd_30,._step_1hhrd_31{letter-spacing:.1em;color:#486977;font-size:.75rem;font-weight:800;line-height:1.5}._eyebrow_1hhrd_30{flex-wrap:wrap;align-items:center;gap:8px;display:flex}._previewLabel_1hhrd_44{color:#426774;background:#fff;border:1px solid #c5dcda;border-radius:20px;padding:6px 12px;font-size:.8rem;display:inline-block}._workspace_1hhrd_53{grid-template-columns:1fr 1fr;gap:20px;padding:clamp(16px,3vw,28px);display:grid}._questionCard_1hhrd_59,._visualCard_1hhrd_60{background:#fff;border:1px solid #d9e4e7;border-radius:18px;min-width:0;padding:clamp(16px,2vw,24px)}._preview_1hhrd_1 h3{margin:8px 0 14px;font-size:1.2rem;line-height:1.4}._problem_1hhrd_72{text-align:center;background:#f2f7fb;border-radius:12px;margin:18px 0;padding:14px;font-size:1.65rem}._answerLabel_1hhrd_80{margin:0 0 8px;font-weight:700;display:block}._questionCard_1hhrd_59 input[type=text],._questionCard_1hhrd_59 input:not([type]){width:100%;min-height:46px;font:inherit;color:#19384b;background:#fff;border:1px solid #9db6c1;border-radius:10px;padding:10px 12px;display:block}._small_1hhrd_97{color:#4d6570;margin:10px 0 0;font-size:.85rem;line-height:1.65}._questionCard_1hhrd_59 fieldset{border:0;min-width:0;margin:22px 0 18px;padding:0}._questionCard_1hhrd_59 legend{margin-bottom:10px;padding:0;font-weight:700}._reason_1hhrd_114{cursor:pointer;border:1px solid #d8e2e8;border-radius:10px;align-items:flex-start;gap:10px;margin:8px 0;padding:12px;line-height:1.55;display:flex}._reason_1hhrd_114:has(input:checked){background:#edf8f8;border-color:#347484;box-shadow:inset 3px 0 #347484}._reason_1hhrd_114 input{accent-color:#23576b;flex:0 0 18px;width:18px;height:18px;margin-top:4px}._actions_1hhrd_137{flex-wrap:wrap;align-items:stretch;gap:10px;margin-top:18px;display:flex}._primary_1hhrd_144,._secondary_1hhrd_145{min-height:46px;font:inherit;text-align:center;cursor:pointer;border:1px solid #23576b;border-radius:11px;justify-content:center;align-items:center;gap:8px;padding:11px 16px;font-weight:700;line-height:1.4;text-decoration:none;display:inline-flex}._primary_1hhrd_144{color:#fff;background:#23576b}._primary_1hhrd_144:hover{color:#fff;background:#174255}._secondary_1hhrd_145{color:#23576b;background:#fff}._secondary_1hhrd_145:hover{background:#eaf4f6}._preview_1hhrd_1 button:focus-visible{outline-offset:3px;outline:3px solid #8f61c6}._preview_1hhrd_1 a:focus-visible{outline-offset:3px;outline:3px solid #8f61c6}._preview_1hhrd_1 input:focus-visible{outline-offset:3px;outline:3px solid #8f61c6}._explanation_1hhrd_179:focus-visible{outline-offset:3px;outline:3px solid #8f61c6}._error_1hhrd_183{color:#9b332a;font-weight:600}._explanation_1hhrd_179{background:#fff;border:1px solid #b6d6cc;border-radius:18px;margin:0 clamp(16px,3vw,28px) 24px;padding:clamp(18px,3vw,28px)}._worked_1hhrd_194{margin:16px 0;padding-left:24px}._worked_1hhrd_194 li{margin:18px 0;padding-left:5px}._worked_1hhrd_194 p{margin:8px 0}._mathRows_1hhrd_205{flex-wrap:wrap;gap:12px 30px;display:flex}._parentPrompt_1hhrd_210{background:#f0edf9;border-radius:13px;align-items:flex-start;gap:14px;padding:18px;display:flex}._parentPrompt_1hhrd_210>svg{color:#746092;flex:0 0 24px}._parentPrompt_1hhrd_210 h4{margin:0 0 8px;font-size:1rem}._parentPrompt_1hhrd_210 p{margin:0}._reset_1hhrd_229{color:#28586d;font:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;margin-top:10px;padding:12px 0;text-decoration:underline;display:inline-block}._next_1hhrd_14{border-top:1px solid #d8e5e7}._features_1hhrd_244{grid-template-columns:1fr 1fr;gap:14px;margin:16px 0;padding:0;list-style:none;display:grid}._features_1hhrd_244 li{background:#fff;border:1px solid #dbe6e8;border-radius:12px;align-items:flex-start;gap:10px;padding:15px;display:flex}._features_1hhrd_244 svg{color:#347484;flex:0 0 20px;margin-top:3px}._preview_1hhrd_1 .math-expression{max-width:100%}._preview_1hhrd_1 .math-expression .katex,._preview_1hhrd_1 .math-expression .katex-html{white-space:normal}._preview_1hhrd_1 .math-expression .katex-base{white-space:nowrap;margin-block:.1em}@media (max-width:800px){._workspace_1hhrd_53,._features_1hhrd_244{grid-template-columns:1fr}}@media (max-width:480px){._actions_1hhrd_137>*{width:100%}._mathRows_1hhrd_205{flex-direction:column;gap:10px}._parentPrompt_1hhrd_210{gap:10px;padding:14px}._problem_1hhrd_72{font-size:1.45rem}}@media (prefers-reduced-motion:reduce){._preview_1hhrd_1 *{scroll-behavior:auto;transition:none}}._showcase_bc7ac_1{color:#203c34;background:#f5f7f0;border:1px solid #ccd9ce;border-radius:28px;margin:4rem 0;scroll-margin-top:6rem;overflow:hidden}._heading_bc7ac_10{padding:32px 34px 24px}._eyebrow_bc7ac_13{letter-spacing:.13em;color:#4d6c5f;align-items:center;gap:8px;font-size:11px;font-weight:750;display:flex}._heading_bc7ac_10 h2{letter-spacing:-.025em;max-width:750px;margin:12px 0;font-size:clamp(25px,3vw,37px);line-height:1.16}._heading_bc7ac_10>p:last-child{color:#50685e;margin:0;font-size:16px;line-height:1.65}._classroom_bc7ac_35{grid-template-columns:minmax(200px,.7fr) minmax(0,1.8fr);align-items:start;gap:24px;padding:0 30px 30px;display:grid}._teacher_bc7ac_42{color:#f4f7ed;background:#234e41;border-radius:20px;overflow:hidden}._portrait_bc7ac_48{margin:0;position:relative}._portrait_bc7ac_48 img{aspect-ratio:320/268;object-fit:cover;width:100%;height:auto;display:block}._portrait_bc7ac_48 figcaption{color:#193d30;background:#ffffffeb;border-radius:20px;width:fit-content;padding:5px 9px;font-size:11px;font-weight:650;position:absolute;bottom:10px;left:10px;right:10px}._teacherCopy_bc7ac_72{padding:21px}._teacherName_bc7ac_75{margin:0 0 12px;font-size:22px;font-weight:650;line-height:1.3}._teacherCopy_bc7ac_72>p:not(._teacherName_bc7ac_75){color:#e2ecdf;font-size:14px;line-height:1.7}._teacherCopy_bc7ac_72 ul{gap:12px;margin:22px 0 0;padding:0;list-style:none;display:grid}._teacherCopy_bc7ac_72 li{align-items:flex-start;gap:8px;font-size:12px;line-height:1.5;display:flex}._teacherCopy_bc7ac_72 svg{color:#dbe8aa;flex-shrink:0;margin-top:1px}._desk_bc7ac_105{min-width:0}._previewLabel_bc7ac_108{letter-spacing:.07em;align-items:center;gap:7px;font-size:11px;font-weight:750;display:flex}._scope_bc7ac_116,._microcopy_bc7ac_117{color:#52685e;font-size:13px;line-height:1.65}._scope_bc7ac_116{margin:9px 0 20px}._form_bc7ac_125{gap:11px;display:grid}._form_bc7ac_125 label{font-size:15px;font-weight:700}._form_bc7ac_125 textarea{resize:vertical;color:#16392b;box-sizing:border-box;background:#fff;border:1px solid #aabeb1;border-radius:12px;width:100%;min-height:82px;padding:13px 15px;font-family:inherit;font-size:18px;line-height:1.5}._form_bc7ac_125 textarea:focus-visible{outline-offset:3px;outline:3px solid #c1a244}._showcase_bc7ac_1 button:focus-visible{outline-offset:3px;outline:3px solid #c1a244}._showcase_bc7ac_1 a:focus-visible{outline-offset:3px;outline:3px solid #c1a244}._showcase_bc7ac_1 summary:focus-visible{outline-offset:3px;outline:3px solid #c1a244}._board_bc7ac_151:focus-visible{outline-offset:3px;outline:3px solid #c1a244}._examples_bc7ac_155{flex-wrap:wrap;gap:8px;display:flex}._examples_bc7ac_155 button{color:#254c3d;cursor:pointer;background:#fff;border:1px solid #c7d4c9;border-radius:9px;min-height:36px;padding:7px 11px;font-size:13px}._formActions_bc7ac_170{flex-wrap:wrap;align-items:center;gap:14px;margin-top:3px;display:flex}._primary_bc7ac_177{cursor:pointer;text-align:center;background:#22533f;border:1px solid #22533f;border-radius:11px;justify-content:center;align-items:center;gap:9px;min-height:46px;padding:11px 17px;font-size:14px;font-weight:650;display:inline-flex;color:#fff!important;text-decoration:none!important}._primary_bc7ac_177:hover{background:#143b2b}._primary_bc7ac_177:disabled,._navigation_bc7ac_198 button:disabled{opacity:.45;cursor:default}._reset_bc7ac_202{color:#486155;cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;min-height:44px;font-size:13px;display:flex}._microcopy_bc7ac_117{margin:0 0 8px;font-size:11px}._error_bc7ac_217{color:#674b29;background:#fff6e8;border-left:3px solid #b27938;border-radius:7px;padding:13px 16px;font-size:13px;line-height:1.6}._board_bc7ac_151{overflow-wrap:anywhere;background-color:#fffef9;background-image:linear-gradient(#31584006 1px,#0000 1px),linear-gradient(90deg,#31584006 1px,#0000 1px);background-size:24px 24px;border:1px solid #d2dfd0;border-radius:16px;padding:23px;box-shadow:0 5px 20px #27473005}._boardTop_bc7ac_238{color:#64796b;letter-spacing:.06em;justify-content:space-between;gap:12px;font-size:10px;font-weight:750;display:flex}._question_bc7ac_247{margin:14px 0 17px;font-size:22px}._board_bc7ac_151 progress{accent-color:#5a8066;width:100%;height:5px;display:block}._step_bc7ac_257{min-height:104px;padding:18px 0 10px}._step_bc7ac_257 h3{margin:0 0 9px;font-size:17px}._step_bc7ac_257>div{font-size:15px;line-height:1.9}._navigation_bc7ac_198{justify-content:space-between;gap:10px;margin-top:16px;display:flex}._navigation_bc7ac_198 button{color:#294a36;cursor:pointer;background:#f2f6eb;border:1px solid #bed0bd;border-radius:8px;justify-content:center;align-items:center;gap:4px;min-height:42px;padding:8px 10px;font-size:13px;display:inline-flex}._check_bc7ac_289{border-top:1px solid #d9e1cd;gap:12px;margin-top:22px;padding-top:19px;font-size:13px;line-height:1.7;display:flex}._check_bc7ac_289>svg{color:#8b7437;flex-shrink:0;margin-top:3px}._check_bc7ac_289 strong{font-size:15px}._check_bc7ac_289 p{margin:9px 0 0}._empty_bc7ac_309{color:#647668;text-align:center;padding:21px 8px}._empty_bc7ac_309 svg{color:#7f967b}._empty_bc7ac_309 h3{color:#315440;margin:12px 0 8px;font-size:20px}._empty_bc7ac_309 p{max-width:360px;margin:auto;font-size:13px;line-height:1.65}._fullClassroom_bc7ac_328{background:#edf1e6;border-top:1px solid #d2dccb;grid-template-columns:1.5fr 1fr;gap:32px;padding:30px;display:grid}._fullClassroom_bc7ac_328 h3{margin:9px 0 11px;font-size:22px}._fullClassroom_bc7ac_328 p{font-size:13px;line-height:1.75}._fullClassroom_bc7ac_328 ._eyebrow_bc7ac_13{margin-top:0;font-size:10px}._fullClassroom_bc7ac_328 ._requirements_bc7ac_348{color:#5a6f61;font-size:11px}._classroomActions_bc7ac_352{flex-direction:column;align-items:stretch;gap:13px;display:flex}._classroomActions_bc7ac_352>a:not(._primary_bc7ac_177){color:#325740;text-align:center;text-underline-offset:3px;font-size:12px;text-decoration:underline}._classroomActions_bc7ac_352 details{border-top:1px solid #cbd6c2;padding-top:14px;font-size:12px}._classroomActions_bc7ac_352 summary{cursor:pointer;font-weight:650}._classroomActions_bc7ac_352 ol{padding-left:19px;line-height:1.7}._classroomActions_bc7ac_352 li{margin-bottom:9px}._fullClassroom_bc7ac_328 ._controlNote_bc7ac_381{color:#57715f;align-items:flex-start;gap:8px;margin:0;font-size:11px;display:flex}._controlNote_bc7ac_381 svg{flex-shrink:0}@media (max-width:760px){._classroom_bc7ac_35{grid-template-columns:1fr;gap:22px;padding:0 18px 22px}._heading_bc7ac_10{padding:25px 20px 20px}._teacher_bc7ac_42{grid-template-columns:minmax(110px,.65fr) 1.1fr;display:grid}._portrait_bc7ac_48 img{object-fit:cover;height:100%;min-height:195px}._portrait_bc7ac_48 figcaption{font-size:9px}._teacherCopy_bc7ac_72{padding:17px}._teacherName_bc7ac_75{font-size:19px}._teacherCopy_bc7ac_72>p:not(._teacherName_bc7ac_75){font-size:12px}._teacherCopy_bc7ac_72 ul{gap:7px;margin-top:13px}._teacherCopy_bc7ac_72 li{font-size:10px}._fullClassroom_bc7ac_328{grid-template-columns:1fr;gap:18px;padding:23px 20px}._board_bc7ac_151{padding:18px}._showcase_bc7ac_1{border-radius:20px;margin:3rem 0}}@media (prefers-reduced-motion:reduce){._showcase_bc7ac_1 *{scroll-behavior:auto}}
