.sample-home-entry{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:23px 25px;background:#edf3f7;border:1px solid #cfdee8;border-radius:18px;margin:26px 0}.sample-home-entry h2{font-size:22px}.sample-home-entry p,.sample-home-entry small{color:var(--study-muted)}.sample-home-entry .primary{background:var(--study-blue);flex:none}.sample-intro ul{padding-left:20px;font-size:14px;line-height:2;color:var(--study-muted)}.sample-intro .study-unit-count>small{font-size:12px}.sample-unit-art{width:100%;max-height:260px;object-fit:cover;object-position:50% 58%;border-radius:20px;margin:0 0 20px}.sample-unit-action{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:20px 0}.sample-unit-action p{flex-basis:100%;font-size:12px;color:var(--study-muted)}.sample-unit-action .primary{background:var(--study-blue)}.sample-route{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}.sample-route>button{min-width:0}.sample-legacy{margin-top:28px;border:1px solid var(--study-line);border-radius:15px;padding:18px;background:#fff}.sample-legacy>summary{font-size:14px;font-weight:650;cursor:pointer;min-height:30px}.sample-legacy>p{font-size:12px;color:var(--study-muted);line-height:1.9}.sample-legacy .study-unit-intro,.sample-legacy .study-unit-route{display:none}.sample-legacy .grade-back{display:none}
.sample-class{max-width:1000px;margin:0 auto}.sample-card{background:#fff;border:1px solid var(--study-line);border-radius:20px;padding:30px;margin:0 0 22px;color:var(--study-ink)}.sample-card h2{font-size:23px;line-height:1.8;margin:0 0 18px}.sample-card h3{margin:20px 0 10px}.sample-card p{line-height:1.95}.sample-card .primary{background:var(--study-blue);font-size:14px;min-height:46px}.sample-card .secondary,.sample-card .text-btn{min-height:44px}.sample-goals{line-height:2.2;padding-left:22px}.sample-reflect{background:#f0f5f8;border-left:4px solid #8ba6b9;padding:17px 20px;margin:22px 0}.sample-note{font-size:12px;color:var(--study-muted);line-height:1.85;margin:18px 0 0}.sample-question-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--study-muted);margin-bottom:20px}.sample-question-meta>span:first-child{padding:4px 10px;border-radius:7px;background:#e9f1f6;color:var(--study-blue)}.sample-choices{display:grid;grid-template-columns:1fr;gap:12px;margin-top:22px}.sample-choices>button{display:flex;align-items:center;text-align:left;gap:16px;border:1px solid #cfdce5;background:#f8fafc;border-radius:13px;min-height:57px;padding:13px 17px;font-size:17px;line-height:1.8}.sample-choices>button>span{font-size:12px;color:var(--study-muted);border:1px solid #cad8e1;border-radius:8px;width:27px;height:27px;display:grid;place-items:center;flex:none}.sample-choices>button:disabled{opacity:.72}.sample-choices>button.is-correct{border-color:#7bb398;background:#edf7f0;color:#276847;opacity:1}.sample-choices>button.is-wrong{border-color:#ce9c87;background:#fff3ed;color:#8c4c31}.sample-feedback{margin:20px 0;padding:16px 19px;background:#f2f5f8;border-radius:12px;line-height:1.9}.sample-feedback.is-correct{background:#eef7f1;color:#356d4e}.sample-feedback p{margin:6px 0}.sample-feedback small{font-size:12px}.sample-hints,.sample-solution{padding:14px 19px;background:#fff9ed;border:1px solid #eadfc7;border-radius:12px;margin-bottom:18px}.sample-hints p{font-size:14px}.sample-question-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.sample-listen{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin:18px 0}.sample-listen>span{font-size:12px;color:var(--study-muted)}.sample-passage{background:#f4f8fb;border:1px solid var(--study-line);border-radius:13px;padding:20px;margin-bottom:25px}.sample-passage p{font-size:20px;line-height:2.1;margin:0 0 15px}.sample-fraction-controls{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:13px;margin:22px 0}.sample-fraction-controls label{display:flex;align-items:center;gap:8px}.sample-fraction-controls select{min-width:52px;min-height:44px;border:1px solid #cad8e1;border-radius:9px;background:#fff;padding:8px;color:var(--study-ink)}.sample-grid{display:grid;grid-template-columns:repeat(var(--columns),minmax(0,1fr));max-width:580px;width:100%;margin:22px auto;border:3px solid #546e81;background:#fff}.sample-grid>span{aspect-ratio:1.6;min-height:25px;border:1px solid #bdcbd5;display:grid;place-items:center;color:#a4b2ba;font-size:18px}.sample-grid .first{background:#d9e8f2;color:#526e85}.sample-grid .overlap{background:#526e85;color:white}.sample-model-legend{text-align:center;font-size:12px;color:var(--study-muted)}.sample-model-readout{text-align:center;background:#f2f6f9;border-radius:12px;padding:20px;font-size:16px;line-height:1.9;margin:20px 0}.sample-model-readout strong{display:block;font-size:22px;color:var(--study-blue);margin-top:12px}.sample-worked{padding:18px;background:#edf3f7;border-radius:12px;font-size:22px;color:var(--study-blue);margin:17px 0}.sample-methods article{border-bottom:1px solid var(--study-line);padding:0 0 20px;margin-bottom:25px}.sample-scene-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px}.sample-art{width:100%;border-radius:15px}.sample-word-bank{display:flex;flex-wrap:wrap;gap:9px}.sample-word-bank button{min-height:43px;border:1px solid #cddce6;padding:9px 13px;border-radius:10px;background:#f6f9fb;font-size:17px}.sample-word-bank .is-current{background:var(--study-blue);color:white}.sample-word-bank .is-visited:after{content:' ✓';font-size:11px}.sample-word-detail{background:#f0f5f8;border-radius:14px;padding:18px;margin-top:20px}.sample-word-detail h3{font-size:29px;margin:0}.sample-word-detail p[lang]{font-size:20px}.sample-body-words{padding:18px 20px;border:1px solid var(--study-line);border-radius:13px;margin:20px 0}.sample-letter-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-top:20px}.sample-letter-cards>button{min-width:0;padding:20px 14px;border:1px solid #d4e0e9;border-radius:15px;background:#f3f7fa;display:flex;align-items:center;flex-direction:column;gap:13px}.sample-letter-cards strong{font-size:35px;color:var(--study-blue)}.sample-letter-cards span{font-size:13px}.sample-letter-cards .is-visited{border-color:#78a7be;background:#eaf3f8}.sample-local-recording{margin:24px 0;padding:19px;background:#f3f7fa;border-radius:14px}.sample-local-recording h3{margin-top:0}.sample-local-recording audio{width:100%;margin-top:17px}.sample-rubric{display:grid;gap:14px;margin:18px 0}.sample-rubric label{display:flex;justify-content:space-between;align-items:center;gap:15px}.sample-card select{border:1px solid #cbd9e3;border-radius:9px;min-height:44px;background:#fff;padding:9px;color:var(--study-ink);max-width:100%}.sample-evidence-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:22px}.sample-evidence-cards>div{padding:18px;background:#eef4f8;border-radius:13px}.sample-evidence-cards strong{display:block;font-size:27px;color:var(--study-blue)}.sample-evidence-cards span{font-size:12px;color:var(--study-muted)}.sample-skill-evidence{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:25px 0}.sample-skill-evidence article{border:1px solid var(--study-line);border-radius:13px;padding:18px}.sample-skill-evidence h3{margin:0 0 10px;font-size:16px}.sample-skill-evidence strong{font-size:13px;color:var(--study-blue)}.sample-skill-evidence p{font-size:12px;color:var(--study-muted)}.sample-expression-report{padding:18px;background:#f3f6f9;border-radius:13px}.sample-expression-report h3{margin:0 0 10px}.sample-evidence-list{margin-top:24px}.sample-evidence-list summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:650}.sample-evidence-list article,.sample-parent-row{padding:17px 0;border-bottom:1px solid var(--study-line);font-size:13px}.sample-evidence-list small{color:var(--study-muted)}
@media(max-width:700px){.sample-route{grid-template-columns:repeat(2,minmax(0,1fr))}.sample-home-entry{display:block;padding:20px}.sample-home-entry button{margin-top:15px}.sample-scene-layout{grid-template-columns:1fr}.sample-letter-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.sample-evidence-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.sample-skill-evidence{grid-template-columns:1fr}.sample-rubric label{display:block}.sample-rubric select{display:block;width:100%;margin-top:9px}.sample-card{padding:21px 17px;border-radius:16px}.sample-card h2{font-size:21px}.sample-choices>button{font-size:16px;padding:12px;gap:10px}.sample-model-readout{padding:15px}.sample-model-readout strong{font-size:19px}.sample-fraction-controls{gap:9px;font-size:13px}.sample-fraction-controls select{min-width:43px;padding:6px}.sample-worked{font-size:19px}.sample-passage p{font-size:18px}.sample-unit-art{max-height:210px}.sample-intro .study-unit-count{flex-wrap:wrap}.sample-intro .study-unit-count>small{flex-basis:100%}.sample-evidence-cards>div{padding:14px}.sample-evidence-cards strong{font-size:24px}}

.sample-map-status{display:block;font-size:12px;line-height:1.7;color:var(--study-blue);margin:8px 0}
.sample-home-courses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:26px 0}.sample-home-courses .sample-home-entry{margin:0;align-items:stretch;flex-direction:column}.sample-home-courses .sample-home-entry .primary{align-self:flex-start}.sample-model-controls{display:flex;flex-wrap:wrap;gap:15px;margin:24px 0}.sample-model-controls label{display:flex;flex-direction:column;gap:8px;min-width:0;font-size:14px}.sample-model-controls input,.sample-model-controls select{width:150px;max-width:100%;min-height:46px;border:1px solid #c8d7e2;border-radius:10px;padding:10px;background:#fff;color:var(--study-blue);font-size:17px}.sample-counter-model{display:flex;gap:28px;flex-wrap:wrap;border:1px solid #d5e1e8;border-radius:15px;padding:22px}.sample-dots{display:flex;gap:10px;flex-wrap:wrap;max-width:300px;margin-top:15px;min-height:40px}.sample-dots>span{font-size:30px;width:35px;color:#56778f;text-align:center}.sample-dots>span.added{color:#8d719e}.sample-dots>span.removed{color:#aa6f60;text-decoration:line-through}.sample-ruler{width:100%;max-width:660px;display:block;margin:25px auto;fill:#405c71}.sample-clock{width:min(100%,320px);display:block;margin:24px auto;fill:#405c71}.sample-place-model{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));border:1px solid #d5e1e8;border-radius:12px;overflow:hidden;margin:25px 0}.sample-place-model>div{text-align:center;padding:15px 3px;min-width:0;border-right:1px solid #d5e1e8}.sample-place-model>div.higher{background:#eaf2f7}.sample-place-model span,.sample-place-model small{display:block;font-size:12px}.sample-place-model strong{display:block;font-size:30px;margin:12px 0;color:#426782}.sample-place-model small{color:#72889a}.sample-decimal-model{display:grid;gap:12px;margin:22px 0}.sample-decimal-model>div{background:#eef4f8;padding:18px;border-radius:12px}.sample-decimal-model span{display:block;font-size:13px;color:#6e8496}.sample-decimal-model strong{display:block;font-size:25px;margin-top:10px;color:#426782}.sample-word-bank button{overflow-wrap:anywhere}.sample-model-readout{overflow-wrap:anywhere}
@media(max-width:700px){.sample-home-courses{grid-template-columns:1fr}.sample-model-controls{gap:12px}.sample-model-controls label{flex:1 1 110px}.sample-model-controls input,.sample-model-controls select{width:100%}.sample-place-model>div{padding:10px 1px}.sample-place-model strong{font-size:23px}.sample-place-model span{font-size:10px}.sample-place-model small{font-size:9px}.sample-counter-model{padding:15px;gap:17px}.sample-decimal-model strong{font-size:21px}}
.sample-response {margin:20px 0;}
.sample-response button:focus-visible,.sample-response input:focus-visible {outline:3px solid #527892;outline-offset:3px;}
.sample-choices button.is-selected {border-color:#567c94;background:#edf5fa;box-shadow:inset 0 0 0 1px #567c94;}
.sample-number label {display:block;font-weight:700;margin-bottom:12px;}
.sample-number-field {display:flex;align-items:center;gap:12px;max-width:420px;}
.sample-number-field input {width:100%;min-width:0;min-height:52px;border:2px solid #b8cbd5;border-radius:12px;padding:10px 14px;font:inherit;font-size:1.3em;background:white;color:#304b60;}
.sample-number-field span {flex-shrink:0;}
.sample-pair fieldset {min-width:0;border:0;padding:0;margin:0 0 22px;}
.sample-pair legend {font-weight:800;color:#3e6078;margin-bottom:8px;}
.sample-pair .sample-choices {margin:0;}
.sample-word-slots,.sample-token-bank {display:flex;flex-wrap:wrap;gap:10px;padding:16px;border-radius:14px;margin:14px 0;}
.sample-word-slots {border:2px dashed #aac0ce;min-height:80px;background:#f4f8fb;}
.sample-token-bank {background:#f6f3ee;}
.sample-word-slots button,.sample-token-bank button {font:inherit;font-weight:700;min-height:46px;padding:10px 16px;border:1px solid #aebfca;border-radius:9px;background:white;color:#344f63;}
.sample-token-bank button:disabled {opacity:.35;}
.sample-word-slots span {align-self:center;color:#6b7e89;}
.sample-diagnostics,.sample-history {background:#f2f6f9;border:1px solid #cedce5;border-radius:14px;padding:16px;margin:18px 0;overflow-wrap:anywhere;}
.sample-diagnostics summary {font-weight:800;cursor:pointer;}
.sample-diagnostics article {border-top:1px solid #d4dfe7;padding:14px 0;}
.sample-diagnostics article:last-child {padding-bottom:0;}
.sample-diagnostics p {margin:8px 0;}
.sample-history p {margin-top:0;}
#sample-input-status {color:#8b4828;min-height:1.5em;}