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/* Age presentations keep the same activities and saved course identity. */
.ac-workspace[data-age="11-13"]{--ac-ink:#243f59;--ac-muted:#4c6376;--ac-green:#335d84;--ac-paper:#fcfdff}
.ac-workspace[data-age="14-16"]{--ac-ink:#303b4e;--ac-muted:#586277;--ac-green:#574978;--ac-paper:#fff}
.ac-workspace[data-age="11-13"] :is(.ac-hero,.ac-course-lead){background:linear-gradient(120deg,#edf5fc,#f3f0fa);border-color:#ccdce9}
.ac-workspace[data-age="14-16"] :is(.ac-hero,.ac-course-lead){background:linear-gradient(120deg,#f1f2f7,#faf9fc);border-color:#d6d8e3;border-radius:10px}
.ac-workspace:not([data-age="7-10"]) .ac-hero h2{font-family:inherit;font-weight:650;color:var(--ac-ink);font-size:clamp(1.65rem,2.4vw,2.3rem)}
.ac-workspace:not([data-age="7-10"]) :is(.ac-eyebrow,.ac-unit-label>strong,.ac-panel-heading .ac-intro){color:var(--ac-ink)}
.ac-workspace:not([data-age="7-10"]) .ac-age{background:#f2f4fa;border-color:#d5dce9}
.ac-workspace:not([data-age="7-10"]) .ac-lead-icon{background:#e3e9f3;color:var(--ac-green)}
.ac-workspace:not([data-age="7-10"]) .ac-road li>button[aria-current]{background:#eef1fa;border-color:var(--ac-green);box-shadow:inset 0 0 0 1px var(--ac-green)}
.ac-workspace:not([data-age="7-10"]) .ac-tabs>button[aria-pressed=true]{background:#edf1fa;border-color:#aebcce;color:var(--ac-ink)}
.ac-workspace:not([data-age="7-10"]) .ac-tabs>button[aria-pressed=true]>span{background:var(--ac-green)}
.ac-workspace:not([data-age="7-10"]) .ac-scene{background:#f0f3fa;border-color:#d5ddea}
.ac-workspace:not([data-age="7-10"]) .ac-scene :is(strong,p){color:#465774}
.ac-workspace[data-age="14-16"] :is(.ac-road li>button,.ac-tabs>button,.ac-reading,.ac-playing,.ac-making,.ac-scene){border-radius:9px}
.ac-workspace[data-age="14-16"] .ac-scene-mark{width:40px;height:40px;border-radius:8px;margin-bottom:12px}
.ac-workspace:not([data-age="7-10"]) .ac-button:not(.ac-secondary):hover:not(:disabled){background:var(--ac-ink)}

.ac-documents{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:18px 0 22px}.ac-documents>span{flex:1 1 230px;font-size:.78rem;line-height:1.6;color:var(--ac-muted)}.ac-completion .ac-button{margin-top:17px}
/* D01V: one illustrated case, then short reading steps. */
.ac-course-nav{display:grid;grid-template-columns:minmax(0,1fr) 245px;align-items:center;gap:25px;padding:17px 20px;border:1px solid var(--ac-line);border-radius:15px;background:var(--ac-paper)}.ac-station-picker{min-width:0}.ac-station-picker label{display:block;margin-bottom:6px}.ac-station-picker select{display:block;width:100%;max-width:100%;min-height:48px;padding:10px 34px 10px 12px;color:var(--ac-ink);background:#fff;border:1px solid #bcccb8;border-radius:10px;font-size:.94rem;font-weight:600}.ac-course-nav .ac-progress{min-width:0;font-size:.8rem}.ac-course-nav .ac-progress>strong{font-size:.82rem}.ac-workspace .ac-status{min-height:35px;margin:7px 0 10px;padding-top:5px;padding-bottom:5px}.ac-workspace .ac-error{padding:13px 16px}.ac-example{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(220px,.8fr);gap:20px;align-items:center;margin:0 0 27px}.ac-example-art{min-width:0;overflow:hidden;margin:0;border:1px solid #dfe4d4;border-radius:16px;background:#f7f6ee}.ac-example-art img{display:block;width:100%;height:auto;aspect-ratio:12/5;object-fit:contain}.ac-example-art img[hidden],.ac-image-fallback[hidden]{display:none}.ac-image-fallback{padding:25px;color:var(--ac-ink);font-size:1rem}.ac-image-fallback>p{margin-top:9px;line-height:1.8}.ac-example .ac-scene{display:block;border:0;border-left:3px solid #d9c393;border-radius:0 12px 12px 0;padding:16px 18px;background:#faf4e5}.ac-example .ac-scene strong{font-size:.83rem;margin:7px 0}.ac-example .ac-scene p{font-size:.96rem;line-height:1.8;margin:8px 0 0}.ac-reading .ac-panel-heading{max-width:none;margin-bottom:18px}.ac-reading .ac-panel-heading h2{margin:6px 0 8px}.ac-reading .ac-panel-heading>p{font-size:.93rem}.ac-reading-start{margin-bottom:16px;max-width:850px}.ac-reading-start h3{font-size:1.02rem;margin-bottom:7px}.ac-reading-start .ac-intro{font-size:1rem;font-weight:500;color:var(--ac-muted)}.ac-reading-steps{list-style:none;padding:0;margin:0;display:grid;gap:13px;max-width:920px}.ac-reading-steps>li{display:grid;grid-template-columns:32px minmax(0,1fr);gap:15px;align-items:start;padding:17px 19px;border:1px solid #e2e6d9;border-radius:13px;background:#fafbf4}.ac-reading-number{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#e4ecd8;color:#4e6742;font-size:.8rem;font-weight:750;line-height:1}.ac-reading-steps p{font-size:1.03rem;line-height:1.85;overflow-wrap:anywhere}.ac-reading-support{max-width:900px;font-size:.86rem;color:var(--ac-muted);padding:12px 0 0 3px}.ac-reading .ac-takeaway{margin-top:17px}.ac-reading .ac-read-footer{justify-content:space-between;padding-top:20px;margin-top:21px}.ac-making .ac-panel-heading{margin-bottom:20px}.ac-making .ac-task li{font-size:.94rem}.ac-workspace[data-age="7-10"] .ac-reading-steps p{font-size:1.09rem;line-height:1.95}.ac-workspace[data-age="7-10"] .ac-reading-support{padding:13px 16px;margin-top:13px;background:#f4efde;border-radius:10px;font-size:.93rem}.ac-workspace:not([data-age="7-10"]) .ac-example-art{border-color:#d8e1ea;background:#f5f7fa}.ac-workspace:not([data-age="7-10"]) .ac-example .ac-scene{border-color:#a8bdd0;background:#f0f4fa}.ac-workspace:not([data-age="7-10"]) .ac-reading-steps>li{border-color:#dbe3eb;background:#f7f9fc}.ac-workspace:not([data-age="7-10"]) .ac-reading-number{background:#e1eaf3;color:#385b7a}.ac-workspace[data-age="14-16"] .ac-reading-steps>li{border-radius:8px}.ac-workspace[data-age="14-16"] .ac-reading-steps p{font-size:1rem}.ac-workspace .ac-resources .ac-details>p+p{padding-top:0}.ac-workspace .ac-resources .ac-details a{display:inline-block;min-height:44px;line-height:1.6;padding:8px 0}.ac-workspace .ac-library a{display:inline-flex;align-items:center;min-height:44px}
@media(max-width:1050px){.ac-example{grid-template-columns:minmax(0,1.6fr) minmax(195px,.8fr);gap:15px}.ac-example .ac-scene{padding:14px}.ac-example .ac-scene p{font-size:.88rem}}
@media(max-width:900px){.ac-example{grid-template-columns:1fr;gap:13px}.ac-example-art{width:100%;max-width:850px}.ac-example .ac-scene{padding:16px 20px}.ac-example .ac-scene p{font-size:.98rem}.ac-example .ac-scene strong{display:inline}.ac-example .ac-scene .ac-eyebrow{margin-bottom:6px}.ac-example .ac-scene p{margin:6px 0 0}.ac-course-nav{grid-template-columns:minmax(0,1fr) 210px;gap:17px}.ac-course-nav .ac-progress{padding-left:17px}}
@media(max-width:780px){.ac-course-nav{grid-template-columns:1fr;padding:17px;gap:13px}.ac-course-nav .ac-progress{border:0;border-top:1px solid var(--ac-line);padding:12px 0 0;gap:5px}.ac-course-nav .ac-progress>.ac-small{display:none}.ac-reading-steps>li{padding:16px;gap:12px}.ac-reading-steps p{font-size:1rem}.ac-reading .ac-panel-heading>p{font-size:.93rem}.ac-example{margin-bottom:23px}.ac-example .ac-scene p{line-height:1.75}.ac-workspace .ac-documents{margin:20px 0 17px}.ac-reading .ac-read-footer>.ac-button{flex:1}}
@media(max-width:540px){.ac-station-picker select{font-size:1rem;min-height:48px}.ac-example{margin-left:-5px;margin-right:-5px;gap:10px}.ac-example-art{border-radius:10px}.ac-example .ac-scene{padding:14px}.ac-example .ac-scene p{font-size:.96rem}.ac-reading-steps>li{grid-template-columns:26px minmax(0,1fr);padding:14px 12px;gap:10px}.ac-reading-number{width:25px;height:25px}.ac-workspace[data-age="7-10"] .ac-reading-steps p{font-size:1.03rem;line-height:1.85}.ac-reading .ac-read-footer{flex-direction:column}.ac-reading-support{font-size:.87rem}.ac-image-fallback{padding:20px}.ac-tabs small{font-size:.64rem}.ac-workspace .ac-header{margin-bottom:18px}}