/* Lesson and homework reading surfaces. The calendar keeps its existing theme. */
.study-shell{--study-bg:#19191b;--study-card:#0d0d0f;--study-line:#353438;--study-text:#f5f3f6;--study-muted:#a6a1aa;--study-pink:#f064a3;color:var(--study-text);background:var(--study-bg);padding-top:72px!important;padding-left:66px!important}.study-shell:before{content:'';position:absolute;top:0;left:0;right:0;height:72px;background:#0d0d0f;z-index:2}.study-shell>.navigation-toggle{top:22px!important;left:14px!important;font-size:23px;color:#f6f3f8;z-index:5}.study-shell .brand-dot{color:#bf8eed}.study-shell .account-menu{z-index:6;color:#f5f3f6}.study-shell #account-toggle{color:#f5f3f6}.study-shell #account-popover{color:#26232a}.study-rail{position:absolute;left:0;top:72px;bottom:0;width:66px;background:#0d0d0f;border-right:1px solid #ffffff08;display:flex;flex-direction:column;align-items:center;gap:15px;padding:20px 0;z-index:2}.study-rail button{color:#c4beca;background:transparent;border:0;width:42px;height:42px;border-radius:12px}.study-rail button:hover{background:#26222b;color:#ead5ff}.study-rail button:last-child{margin-top:auto}.study-scroll{flex:1;min-height:0;overflow:auto;background-image:radial-gradient(ellipse at 90% 15%,#a078c308,transparent 45%),radial-gradient(ellipse at 10% 80%,#70a6cb08,transparent 45%);scrollbar-color:#444047 transparent;scrollbar-width:thin}.study-container{max-width:1460px;margin:auto;padding:34px 44px 80px}.study-back{color:#ddd7e2;background:transparent;border:0;padding:8px 0;margin-bottom:26px;font-size:14px;gap:12px}.study-back:hover{background:transparent!important;color:#e8c9ff}.study-back svg{padding:7px;width:34px;height:34px;border-radius:10px;background:#0d0d0f}.study-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}.study-primary{min-width:0}.lesson-hero{background:var(--study-card);border-radius:28px;padding:32px;min-height:460px;display:flex;flex-direction:column}.study-kicker{display:flex;align-items:center;gap:18px;color:var(--study-muted);font-size:12px;margin-bottom:22px;flex-wrap:wrap}.study-status{display:inline-flex;width:max-content;background:#fff0c9;color:#995c20;border-radius:9px;padding:8px 11px;font-size:12px;line-height:1.4}.study-status.submitted{background:#d6efe6;color:#286450}.lesson-hero h1{font-family:'Arial Narrow','Segoe UI',sans-serif;text-transform:uppercase;font-size:clamp(25px,2.6vw,42px);line-height:1.14;letter-spacing:-1px;font-weight:800;max-width:800px}.lesson-body{font-size:16px;line-height:1.9;white-space:normal;overflow-wrap:anywhere;margin-top:24px;flex:1}.study-soft{background:#302a38;color:#e7d3f6;border:1px solid #51465b;border-radius:10px;width:max-content;font-size:13px;margin-top:24px;padding:10px 16px}.study-soft:hover{background:#40344e!important;border-color:#84708f!important}.material-panel{border-radius:26px;background:#e4cff5;color:#25212b;padding:24px}.panel-overline{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:inherit;opacity:.7;display:block;margin-bottom:12px}.material-panel h2{font-size:28px;line-height:1.12;text-transform:uppercase;letter-spacing:-1px;font-weight:800}.material-panel>p{font-size:12px;line-height:1.7;color:#766680;margin:14px 0 24px}.study-file{display:flex;align-items:center;gap:12px;background:#333235;color:#faf7ff;border-radius:17px;padding:14px;margin-top:10px;min-width:0;transition:background .2s}.study-file:hover{background:#45404d}.file-type{display:grid;place-items:center;flex-shrink:0;width:55px;height:60px;background:#cbe9fc;color:#477f9e;border-radius:12px;font-size:11px;letter-spacing:.5px;font-weight:700}.study-file>span:nth-child(2){flex:1;min-width:0}.study-file strong{display:block;font-size:13px;line-height:1.5;font-weight:500;overflow-wrap:anywhere}.study-file small{display:block;font-size:11px;color:#bdb4c5;margin-top:7px}.study-file>svg{width:15px}.materials-empty{padding:22px 0 8px;font-size:13px;color:#786c80}.lesson-date-card{background:#cce9f8;color:#30434d;border-radius:25px;margin-top:20px;padding:24px}.lesson-date-card span{font-size:12px;text-transform:capitalize}.lesson-date-card strong{display:block;font-size:24px;letter-spacing:-.7px;font-weight:600;margin:9px 0}.lesson-date-card p{font-size:13px;opacity:.7}.lesson-homework-block{background:#444445;border-radius:26px;margin-top:28px;padding:28px}.homework-block-heading{display:flex;justify-content:space-between;gap:20px;align-items:center}.homework-block-heading h2{text-transform:uppercase;font-size:24px;font-weight:750;letter-spacing:-.6px}.homework-block-heading>span{font-size:11px;padding:7px 10px;background:#343434;border-radius:20px;white-space:nowrap}.homework-block-content{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:20px;margin-top:22px}.homework-block-content>div:first-child{display:flex;flex-direction:column;min-width:0}.homework-block-content p{border:1px solid #bfaecc;border-radius:17px;padding:18px;line-height:1.8;overflow-wrap:anywhere;white-space:pre-wrap;font-size:14px}.study-homework-open{margin-top:24px;background:#ffd2c9;color:#ae5145;border:0;border-radius:12px;padding:16px;justify-content:space-between;text-align:left;line-height:1.4}.study-homework-open:hover{background:#f9bdb1!important}.encouragement{background:#91a9c2;border-radius:22px;padding:18px 22px;display:flex;flex-direction:column;justify-content:center;color:#203e61;min-height:225px;position:relative;overflow:hidden}.encouragement strong{font-size:24px;font-weight:650;letter-spacing:-.7px;line-height:1.3;transform:rotate(-4deg)}.encouragement small{margin-top:15px;font-size:12px}.encouragement>span{color:#fff2d9;font-size:40px;line-height:1;margin-bottom:18px}.encouragement i{position:absolute;right:10px;bottom:-15px;font-size:100px;opacity:.16;font-style:normal}.lesson-pager{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:24px}.lesson-pager button{background:#f7edf3;color:#87596c;border:0;border-radius:12px;padding:13px 18px}.lesson-pager button:last-child{background:#e8f5ee;color:#417557}.next-locked{font-size:12px;color:#8d8991}.homework-container{max-width:1110px}.homework-title{display:flex;justify-content:space-between;align-items:center;gap:28px}.homework-title h1{font-size:clamp(24px,3vw,34px);font-weight:750;letter-spacing:-.9px;line-height:1.3}.homework-title .panel-overline{color:#b7b0bd}.homework-topline{display:flex;justify-content:space-between;gap:20px;color:#aea7b4;font-size:12px;margin:28px 0 18px}.homework-introduction{line-height:1.8;font-size:14px;color:#c8c0cd;margin-top:20px}.question-card{background:#0d0d0f;border-radius:20px;margin-bottom:18px;overflow:hidden}.question-card>summary{padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:15px;cursor:pointer;list-style:none;font-size:15px;color:#f471ad}.question-card summary::-webkit-details-marker{display:none}.question-card summary b{font-weight:500;margin-right:5px}.question-chevron{color:#62566d;transition:transform .2s}.question-card:not([open]) .question-chevron{transform:rotate(180deg)}.question-content{padding:0 26px 24px}.question-prompt{line-height:1.9;font-size:14px;overflow-wrap:anywhere;white-space:normal;min-height:64px;margin-bottom:26px}.question-image{display:block;max-width:min(100%,550px);max-height:420px;object-fit:contain;margin:30px auto 38px;border-radius:4px}.answer-label{font-size:11px;color:#aba4b0;font-weight:400;margin:0 0 10px;display:block}.answer-editor{border:1px solid #985574;border-radius:8px;overflow:hidden;background:#19191c}.answer-tools{padding:5px 8px;display:flex;align-items:center;gap:3px;background:#272629;border-bottom:1px solid #49434d}.answer-tools button{background:transparent;color:#d4cdd9;min-height:28px;min-width:28px;border:0;padding:3px 7px;font-size:12px;border-radius:4px}.answer-tools button:hover{background:#413749}.answer-tools button:first-child{font-weight:700}.answer-tools>span{width:1px;height:16px;background:#534a59;margin:0 5px}.answer-editor textarea{display:block;width:100%;color:#f5f2f7;background:#19191c;border:0!important;box-shadow:none!important;border-radius:0;resize:vertical;padding:16px;min-height:160px;font-size:14px;line-height:1.8;margin:0}.answer-editor textarea[hidden]{display:none}.answer-editor textarea::placeholder{color:#746d7d}.answer-preview{min-height:160px;padding:16px;font-size:14px;line-height:1.8;overflow-wrap:anywhere}.question-footer{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.question-footer>span{color:#b08b9e;font-size:10px}.question-footer button{background:#222123;color:#d9d4de;border:0;font-size:11px;min-height:30px;border-radius:6px;padding:4px 12px}.question-footer svg{width:12px}.submission-bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:26px}.submission-bar button,.study-upload{background:#2b272f;color:#e5dce9;border:1px solid #48404e;border-radius:10px;padding:11px 16px;min-height:43px;font-size:12px}.study-upload{display:inline-flex;gap:9px;align-items:center;margin:0;cursor:pointer}.study-upload input{max-width:175px;font-size:10px}.study-submit{background:#dfb9f5!important;color:#392545!important;border:0!important;border-radius:10px!important;padding:12px 22px!important;font-weight:600;font-size:13px}.submission-bar .study-submit{margin-left:auto}.study-submit:hover{background:#edcfff!important}.study-attachments{margin:28px 0}.study-attachments h3{font-size:13px;color:#b3a7bc;margin-bottom:13px}.study-attachments .study-file{max-width:440px}.study-review{background:#26202c;border:1px solid #44354f;border-radius:20px;padding:26px;margin-top:28px}.study-review h2{font-size:30px;margin-bottom:15px;color:#dcbae9}.study-review p{line-height:1.8;overflow-wrap:anywhere}.study-review input,.study-review textarea{background:#18141c;color:#f2ebf6;border-color:#4c3c57}.submitted-answer{background:#1c191f;border-radius:8px;padding:18px;line-height:1.8;min-height:80px;overflow-wrap:anywhere}.task-editor{margin:24px 0}.task-editor h3{margin-bottom:16px}.task-edit-row{padding:18px;border:1px solid #e5e0e8;border-radius:12px;margin-bottom:14px}.task-edit-heading{display:flex;gap:12px;align-items:start}.task-edit-heading label{flex:1}.task-edit-heading button{margin-top:24px}.study-shell .error{color:#ffb4b4}.study-shell button:focus-visible,.study-shell a:focus-visible,.study-shell summary:focus-visible{outline:2px solid #d5adf1;outline-offset:3px}.study-shell .navigation-dialog{color:#28212e}.study-shell .navigation-dialog .brand{color:#28212e}.study-shell .navigation-dialog::backdrop{background:#d5cce0c9}.text-bullet{display:inline-block;padding-left:8px}@media(min-width:1450px){.study-container{padding-top:40px}.lesson-hero{min-height:530px}.study-layout{gap:38px;grid-template-columns:minmax(0,1fr) 345px}}@media(max-width:1000px){.study-container{padding:26px 25px 60px}.study-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.material-panel{padding:20px}.homework-block-content{grid-template-columns:1fr}.encouragement{display:none}.lesson-hero{padding:26px}.homework-block-heading{align-items:start;flex-direction:column;gap:12px}}@media(max-width:740px){.study-shell{padding-left:0!important;padding-top:62px!important}.study-shell:before{height:62px}.study-shell>.navigation-toggle{left:18px!important;top:18px!important}.study-rail{display:none}.study-container{padding:20px 16px 50px}.study-layout{grid-template-columns:1fr}.study-material-sidebar{display:grid;grid-template-columns:1fr}.lesson-date-card{display:none}.lesson-hero{min-height:320px;border-radius:20px;padding:24px}.lesson-body{font-size:14px}.study-material-sidebar{grid-row:2}.lesson-homework-block{padding:22px;border-radius:20px}.homework-title{align-items:start;flex-direction:column;gap:15px}.question-card>summary{padding:20px}.question-content{padding:0 20px 20px}.question-prompt{font-size:13px}.submission-bar .study-submit{margin-left:0}.homework-topline{margin-top:24px}.lesson-pager button{padding:10px;font-size:11px}.next-locked{font-size:10px}.study-upload{flex-wrap:wrap}.study-back{font-size:12px;margin-bottom:20px}}@media(prefers-reduced-motion:reduce){.study-shell *{transition:none!important;scroll-behavior:auto!important}}