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a[aria-current=page]{background:var(--atlas-tone-eee5d5);color:var(--atlas-tone-4b2328);box-shadow:0 7px 24px var(--atlas-tone-97723c15)}.atlas-ui .atlas-brand{flex-shrink:0;align-items:center;gap:18px;display:flex}.atlas-ui .atlas-brand>span{letter-spacing:.035em;font:600 2.25rem/1.15 Atlas Serif,serif}.atlas-ui .atlas-brand small{letter-spacing:.12em;margin-top:8px;font:500 .75rem/1.4 Interface,sans-serif;display:block}.atlas-ui .atlas-brand-mark{width:34px;height:34px;color:var(--atlas-tone-957039)}.atlas-ui .atlas-nav-actions{align-items:center;gap:8px;display:flex}.atlas-ui .atlas-icon-button{border:1px solid var(--atlas-tone-b79c6d66);background:var(--atlas-tone-fffbf366);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.atlas-ui .atlas-icon-button svg{width:19px;height:19px}.atlas-ui .atlas-avatar{width:43px;height:43px;color:var(--atlas-tone-4b2328);background:var(--atlas-tone-ece2d1);border-radius:50%;place-items:center;font-family:Atlas Serif,serif;font-size:1.375rem;display:grid}.atlas-ui .atlas-live-footer{border-top:1px solid var(--atlas-tone-baa78355);color:var(--atlas-tone-65523e);align-items:center;gap:18px;margin:50px 8px 10px;padding-top:24px;display:flex}.atlas-ui .atlas-live-footer>span{margin-right:auto;font:italic 1.5rem Atlas Serif,serif}.atlas-ui .atlas-live-footer a{font-size:.875rem}.atlas-ui .room-heading{align-items:center}.atlas-ui .room-lead{margin-top:20px;font-size:1.125rem;line-height:1.8}.atlas-ui .action{justify-content:center;align-items:center;gap:22px;min-height:48px;text-decoration:none;display:inline-flex}.atlas-ui .action svg{width:20px;height:20px}.atlas-ui .action.primary-button{background:var(--atlas-tone-4b2328);color:var(--atlas-tone-fff8e9)}.atlas-ui .day-stamp{flex-direction:column;flex:none;justify-content:center;align-items:center;gap:4px;width:auto;min-width:118px;height:auto;min-height:154px;padding:20px 14px;display:flex;overflow:visible}.atlas-ui .day-stamp>span{white-space:nowrap;font-size:.75rem}.atlas-ui .day-stamp small{text-align:center;max-width:98px;font-size:.875rem;line-height:1.45}.atlas-ui .day-stamp .atlas-brand-mark{width:20px;height:20px}.atlas-ui .day-stamp strong{font-size:2.875rem;line-height:1}.atlas-ui progress{background:var(--atlas-tone-e7dcc5);width:100%;height:4px;color:var(--atlas-tone-8b673b);accent-color:var(--atlas-tone-8b673b);border:0;border-radius:8px;display:block;overflow:hidden}.atlas-ui progress::-webkit-progress-bar{background:var(--atlas-tone-e7dcc5)}.atlas-ui progress::-webkit-progress-value{background:var(--atlas-tone-8b673b)}.atlas-ui .atlas-art-door{background-image:url(/scenes/atlas-light-door.webp)}.atlas-ui .atlas-art-world{background-image:url(/scenes/academy-world-light-v13.webp)}.atlas-ui .atlas-art-study{background-image:url(/scenes/academy-study-v3.webp)}.atlas-ui .atlas-art-book{background-image:url(/scenes/open-book.webp)}.atlas-ui .atlas-art-chess{background-image:url(/scenes/home-decision-table-v2.webp)}.atlas-ui .atlas-art-archive{background-image:url(/scenes/archive-door.webp)}.atlas-ui .atlas-art-stairs{background-image:url(/scenes/spiral-staircase.webp)}.atlas-ui .atlas-material-meta{align-items:center;gap:9px;font-size:.9375rem;display:inline-flex}.atlas-ui .atlas-material-meta svg{width:17px;height:17px}.atlas-ui .atlas-material-meta svg:last-child{display:none}.atlas-ui .atlas-empty{align-items:center;min-height:530px;padding:70px;display:flex}.atlas-ui .atlas-empty>div{max-width:620px;position:relative}.atlas-ui .atlas-empty h1{margin:25px 0;font-size:clamp(2.7rem,5vw,5rem);line-height:1.05}.atlas-ui .atlas-empty p{max-width:520px;margin-bottom:25px;font-size:1.125rem;line-height:1.8}.atlas-ui .atlas-state-mark{border:1px solid var(--atlas-tone-b8a27c66);width:34px;height:34px;color:var(--atlas-tone-745a35);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.atlas-ui .atlas-state-mark svg{width:17px;height:17px}.atlas-ui .atlas-state-mark.is-current{background:var(--atlas-tone-4b2328);color:var(--atlas-tone-fff6e5);border:0}.atlas-ui .atlas-state-mark.is-done{background:var(--atlas-tone-ebe3d3)}.atlas-ui .atlas-demo-bar{background:var(--atlas-tone-eee6d6);border-bottom:1px solid var(--atlas-tone-c1ac8566);justify-content:space-between;align-items:center;gap:10px;padding:9px max(24px,50vw - 740px);font:400 .8125rem Interface,sans-serif;display:flex}.atlas-ui .atlas-demo-bar>span{align-items:center;gap:7px;display:flex}.atlas-ui .atlas-demo-bar i{background:var(--atlas-tone-4b2328);border-radius:50%;width:5px;height:5px}.atlas-ui .atlas-demo-bar>button{white-space:nowrap;color:var(--atlas-tone-4b2328);background:0 0;border:0;align-items:center;gap:9px;min-height:30px;font-size:.8125rem;display:flex}.atlas-ui .atlas-demo-bar svg{width:16px;height:16px}.atlas-ui .atlas-dialog{border:1px solid var(--atlas-tone-baa78399);background:var(--atlas-tone-fffaf0);width:min(640px,100% - 28px);max-height:88dvh;color:var(--atlas-tone-42372c);box-shadow:0 30px 100px var(--atlas-tone-3d352f33);border-radius:32px;margin:auto;padding:40px;position:fixed;inset:0;overflow:auto}.atlas-ui .atlas-dialog::backdrop{background:var(--atlas-tone-261f1ab3);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.atlas-ui .atlas-dialog h2{margin:14px 0;font-size:2.75rem}.atlas-ui .atlas-dialog>p{line-height:1.8}.atlas-ui .atlas-dialog label{margin-top:20px;font-size:.9375rem;display:block}.atlas-ui .atlas-dialog :is(select,textarea,input){border:1px solid var(--atlas-tone-ad9670);background:var(--atlas-tone-fffcf6);width:100%;color:var(--atlas-tone-42372c);font:inherit;border-radius:16px;margin-top:9px;padding:14px 16px;display:block}.atlas-ui .atlas-dialog textarea{resize:vertical;min-height:135px}.atlas-ui .atlas-dialog .action{margin-top:18px}.atlas-ui .atlas-dialog-close{float:right;background:0 0;border:0;border-radius:50%;padding:10px}.atlas-ui .atlas-saved{align-items:center;gap:8px;display:flex}.atlas-ui .review-history{border-top:1px solid var(--atlas-tone-baa78366);margin-top:30px;padding-top:20px}.atlas-ui .review-history>div{justify-content:space-between;align-items:center;display:flex}.atlas-ui .review-history h3{font-size:1.75rem}.atlas-ui .review-history article{border-bottom:1px solid var(--atlas-tone-baa78366);padding:15px 0}.atlas-ui .review-history article p{white-space:pre-wrap;margin:8px 0}.atlas-ui .review-history a{color:var(--atlas-tone-4b2328);font-size:.875rem}.atlas-ui .atlas-cursor-layer{pointer-events:none;z-index:9999;width:100%;height:100%;position:fixed;inset:0}.atlas-ui .mobile-dock{display:none}@media (hover:hover) and (pointer:fine){.atlas-ui.atlas-cursor,.atlas-ui.atlas-cursor :is(a,button){cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='50' viewBox='0 0 44 50'%3E%3Cpath d='M4 3L33 22L22 27L17 42Z' fill='%234b2328' stroke='%23d6be8a' stroke-width='1.5'/%3E%3Cpath d='M4 3L22 27M8 8L27 22' stroke='%23e8dcc5' stroke-width='1.1'/%3E%3C/svg%3E") 4 3,auto}.atlas-ui.atlas-cursor :is(input,textarea,select,[contenteditable],.lesson-paper){cursor:auto}}@media (max-width:1180px){.atlas-ui .atlas-nav{gap:14px;padding-inline:24px}.atlas-ui .atlas-brand>span{font-size:1.75rem}.atlas-ui .atlas-brand small{font-size:.625rem}.atlas-ui .atlas-nav-links{gap:0}.atlas-ui .atlas-nav-links a{padding:12px 9px;font-size:.9375rem}.atlas-ui .atlas-avatar{display:none}.atlas-ui .atlas-nav-actions{gap:5px}}@media 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.atlas-brand-mark{width:28px;height:28px}.atlas-ui .room-heading{gap:20px}.atlas-ui .room-heading h1{font-size:2.8rem}.atlas-ui .room-lead{font-size:1rem}.atlas-ui .day-stamp{display:none}.atlas-ui .atlas-empty{min-height:460px;padding:34px}.atlas-ui .atlas-dialog{padding:28px 24px}.atlas-ui .atlas-live-footer{flex-wrap:wrap;gap:12px}.atlas-ui .atlas-live-footer>span{width:80%;font-size:1.25rem}.atlas-ui .atlas-live-footer .atlas-brand-mark{width:23px;height:23px}.atlas-ui .atlas-material-meta{font-size:.875rem}}@media (prefers-reduced-motion:reduce){.atlas-ui *,.atlas-ui :before,.atlas-ui :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.atlas-ui .atlas-cursor-layer{display:none}}.atlas-ui .journey-folio{--journey-architecture:url(/scenes/atlas-light-door.webp)}.atlas-ui .journey-volume{--folio-turn-duration:280;--ease-in-out:cubic-bezier(.77,0,.175,1);position:relative}.atlas-ui .journey-toc-state .atlas-state-mark{background:0 0;border:0;width:28px;height:28px}.atlas-ui .journey-toc-state .atlas-state-mark.is-current{background:var(--atlas-tone-4b2328)}.atlas-ui .journey-folio-number small{margin-left:7px}.atlas-ui .folio-material-mark{flex-shrink:0;place-items:center;width:38px;font:500 1.7rem Atlas Serif,serif;display:inline-grid}.atlas-ui .folio-material-mark svg{width:20px;height:20px}.atlas-ui .atlas-future-level{border-top:1px solid var(--atlas-tone-baa78366);max-width:660px;padding:40px 0 60px}.atlas-ui .atlas-future-level h3{margin:22px 0;font-size:2.75rem}.atlas-ui .atlas-future-level p{margin-bottom:24px;font-size:1.125rem;line-height:1.8}.atlas-ui .atlas-map-legend{flex-wrap:wrap;justify-content:center;gap:26px;margin:26px 0;font-size:.875rem;display:flex}.atlas-ui .atlas-map-legend>span{align-items:center;gap:9px;display:flex}.atlas-ui .world-landscape{background-image:url(/scenes/academy-world-light-v13.webp)}.atlas-ui .world-stations li:first-child{top:82%;left:49%}.atlas-ui .world-stations 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.atlas-study-grid>div{min-width:0}.atlas-ui .atlas-study-grid [role=tabpanel]{outline:none}.atlas-ui .lesson-paper{border-radius:32px;padding:38px 48px}.atlas-ui .paper-running-head{color:var(--atlas-tone-78572d);letter-spacing:.06em;justify-content:space-between;align-items:center;gap:15px;margin-bottom:30px;font-size:.75rem;display:flex}.atlas-ui .paper-running-head>span{align-items:center;gap:12px;display:flex}.atlas-ui .paper-running-head svg{width:16px;height:16px}.atlas-ui .lesson-paper .longread{color:var(--atlas-tone-493c2e);font:400 1.2rem/1.85 Interface,Inter,sans-serif}.atlas-ui .lesson-paper .longread h2{margin:20px 0 8px;font:500 2.7rem/1.12 Atlas Serif,serif}.atlas-ui .lesson-paper .longread h3{font:500 2.2rem/1.2 Atlas Serif,serif}.atlas-ui .lesson-paper .longread blockquote{color:var(--atlas-tone-78572d);border-color:var(--atlas-tone-b79760);margin:12px 0;font:italic 2rem/1.35 Atlas Serif,serif}.atlas-ui .reader-large .lesson-paper .longread{font-size:1.4375rem;line-height:1.9}.atlas-ui .atlas-paper-end{border-top:1px solid var(--atlas-tone-baa78355);color:var(--atlas-tone-78572d);align-items:center;gap:18px;margin-top:35px;padding-top:26px;font:italic 1.8rem Atlas Serif,serif;display:flex}.atlas-ui .atlas-margin-note{background:var(--atlas-tone-efe4d0) url(/scenes/atlas-light-door.webp) center bottom/auto 65% no-repeat;background-blend-mode:soft-light;border-radius:32px;align-self:start;min-height:580px;padding:32px 28px}.atlas-ui .atlas-margin-note>.atlas-brand-mark{margin-bottom:28px;margin-left:auto}.atlas-ui .atlas-margin-note h2{margin:30px 0;font-size:2.7rem;line-height:1.14}.atlas-ui .atlas-margin-note>p:not(.eyebrow){font-size:1.05rem;line-height:1.8}.atlas-ui .atlas-margin-note>div{border-top:1px solid var(--atlas-tone-baa78366);margin-top:35px;padding-top:30px}.atlas-ui .atlas-margin-note a{border-bottom:1px solid var(--atlas-tone-baa78366);align-items:center;gap:12px;padding:22px 0;display:flex}.atlas-ui .atlas-margin-note a strong{font:500 1.9rem/1.1 Atlas Serif,serif}.atlas-ui .atlas-margin-note a svg{width:17px;height:17px}.atlas-ui .atlas-margin-note a>svg:last-child{margin-left:auto}.atlas-ui .atlas-lesson-notes{margin-top:24px;padding:30px 34px}.atlas-ui .atlas-lesson-notes header{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.atlas-ui .atlas-lesson-notes h2{font-size:2rem}.atlas-ui .atlas-lesson-notes header>span{margin-left:auto;font-size:.75rem}.atlas-ui .atlas-lesson-notes textarea{border:0;border-bottom:1px solid var(--atlas-tone-baa78366);resize:vertical;width:100%;min-height:140px;color:var(--atlas-tone-42372c);background:0 0;padding:22px 0;font:400 1.125rem/1.85 Interface,sans-serif}.atlas-ui .atlas-save-row{justify-content:space-between;align-items:center;gap:16px;margin-top:12px;font-size:.8125rem;display:flex}.atlas-ui .atlas-note-error{border:1px solid 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.atlas-documents[data-status=accepted] .soft-badge{border-color:var(--atlas-tone-4b2328);background:var(--atlas-tone-4b2328);color:var(--atlas-tone-fff4de)}.atlas-ui .atlas-documents .soft-badge svg{width:14px;height:14px}.atlas-ui .documents-room{padding-top:42px}@media (max-width:480px){.atlas-ui .documents-room{padding-top:24px}.atlas-ui .atlas-documents,.atlas-ui .atlas-schedule{padding:26px 20px}}.atlas-ui .preparation-soon{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;display:grid}.atlas-ui .atlas-soon{background:var(--atlas-tone-f8f2e5);box-shadow:none;border-style:dashed;min-width:0;padding:28px 30px}.atlas-ui .platform-atlas .atlas-soon h2{color:var(--atlas-tone-42372c);margin:18px 0 10px;font-size:clamp(1.75rem,4cqw,2.25rem);line-height:1.12}.atlas-ui .atlas-soon p{color:var(--atlas-tone-65523e);max-width:40ch;font:400 1rem/1.65 Interface,Arial,sans-serif}.atlas-ui .atlas-soon .soft-badge svg{width:13px;height:13px}.atlas-ui 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