:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:#1e2b36;background:#f7f9fa;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:#116b65;text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit}button{cursor:pointer}.site-header{background:white;border-bottom:1px solid #e0e8e8;position:relative;z-index:2}.head-row{height:66px;display:flex;align-items:center;justify-content:space-between;max-width:1550px;margin:auto;padding:0 29px}.brand{display:flex;align-items:center;gap:9px;font-weight:500;color:#173d40;font-size:21px;letter-spacing:-.6px}.brand:hover{text-decoration:none}.brand-logo{color:white;background:#12685d;width:36px;height:36px;display:grid;place-items:center;font-size:25px;border-radius:11px}.head-right{display:flex;align-items:center;gap:17px;font-size:13px}.institution-name{font-weight:600}.avatar{display:inline-grid;place-items:center;border-radius:50%;width:34px;height:34px;background:#d9eae7;color:#155d52;font-weight:700}.link-button{border:0;background:none;color:#597071;font-size:13px;padding:4px}.small-link{font-weight:600}.top-nav{padding:0 29px;max-width:1550px;margin:auto;display:flex;gap:11px;flex-wrap:wrap}.top-nav a{display:flex;align-items:center;gap:8px;font-size:14px;color:#52676c;padding:14px 17px;border-bottom:3px solid transparent}.top-nav a:hover,.top-nav a.active{border-bottom-color:#188275;color:#14695c;text-decoration:none;background:#f4f9f8}.footer{text-align:center;padding:28px;font-size:11px;color:#93a1a3}.main-container{max-width:1340px;padding:40px 30px 80px;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:35px}.page-heading h1{font-size:34px;letter-spacing:-1.3px;margin:7px 0 4px}.eyebrow{text-transform:uppercase;letter-spacing:1.5px;font-size:10px;font-weight:800;color:#178577}.muted{color:#718087}.section h2,h2{font-size:23px;letter-spacing:-.5px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:23px}.course-card{border:1px solid #e2e9e9;background:white;border-radius:13px;overflow:hidden;box-shadow:0 6px 14px #183d3c08;color:inherit;transition:transform .15s}.course-card:hover{text-decoration:none;transform:translateY(-3px)}.course-art{height:130px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#28695f,#65ad93);color:white;font-size:60px}.course-art.theme-1{background:linear-gradient(135deg,#345d87,#9badd2)}.course-art.theme-2{background:linear-gradient(135deg,#775c85,#b298ca)}.course-art.theme-3{background:linear-gradient(135deg,#826747,#d4b18a)}.course-card-body{padding:21px}.course-card-body h3{margin:8px 0}.course-card-body p{font-size:13px;color:#738186;min-height:40px}.card-foot,.activity-header{display:flex;justify-content:space-between;gap:10px;align-items:center}.card-foot{margin-top:22px;font-size:12px;color:#196e63}.pill{font-size:11px;padding:5px 9px;border-radius:999px;background:#eff2f4;color:#6e777a;display:inline-flex;white-space:nowrap}.pill.live{background:#e0f3eb;color:#12775c}.quick-row,.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:45px}.quick-row article,.feature-grid article,.panel{background:white;border:1px solid #e3e9ea;border-radius:12px;padding:24px}.quick-row article p,.feature-grid article p{color:#79878e;font-size:13px;line-height:1.6}.button{background:#116d61;color:white;display:inline-block;border:1px solid #116d61;padding:11px 16px;border-radius:8px;font-size:13px;font-weight:700;white-space:nowrap}.button:hover{background:#0c554d;color:white;text-decoration:none}.button.secondary{background:white;color:#126b60;border-color:#b8d7d0}.button.secondary:hover{background:#e8f4f0}.button:disabled{opacity:.5;cursor:not-allowed}.button.full{width:100%;margin-top:14px}.button-row,.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.landing{max-width:1140px;margin:0 auto;padding:85px 25px}.hero{max-width:770px}.hero h1{font-size:clamp(38px,6vw,65px);letter-spacing:-2.5px;line-height:1.1;margin:16px 0}.hero p{font-size:20px;color:#718087;line-height:1.6}.note{margin-top:50px;color:#718087}.auth-wrap{min-height:calc(100vh - 190px);display:grid;place-items:start center;padding:60px 20px}.auth-card{border:1px solid #dde8e8;background:white;padding:36px;width:min(100%,480px);border-radius:15px;box-shadow:0 10px 40px #1f4e4a0a}.auth-card h1{font-size:30px;letter-spacing:-1px;margin:12px 0}.auth-card p{line-height:1.6;font-size:14px}.auth-card form,.panel form,.editor-box form{display:grid;gap:15px;margin-top:24px}label{display:grid;gap:7px;font-size:13px;font-weight:650}input,textarea,select{display:block;width:100%;background:white;color:#20393b;border:1px solid #cad8d9;padding:11px 12px;border-radius:7px;min-width:0}input:focus,textarea:focus,select:focus{outline:2px solid #9bd3c8;border-color:#157a6d}textarea{resize:vertical;line-height:1.5}small,.help{color:#859294;font-size:12px}.error{padding:13px;background:#fff0ef;color:#b6322c;border-radius:8px;margin-top:15px}.success{padding:15px;background:#e4f5ef;color:#206c52;border-radius:8px;margin:14px 0;overflow-wrap:anywhere}.success input{margin-top:10px}.admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.panel h2{margin:0 0 10px}.panel h3{margin-top:0}.stat{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ecf1f2;padding:12px 0}.stat b{font-size:28px;color:#1b6d5e}.stat span{color:#789}.course-layout{display:grid;grid-template-columns:235px minmax(0,1fr);max-width:1550px;min-height:calc(100vh - 170px);margin:auto;background:#fff}.course-sidebar{background:#f7faf9;border-right:1px solid #e0e8e8;display:flex;flex-direction:column;padding:30px 15px}.course-small{padding:0 13px 22px;display:grid;gap:8px}.course-small strong{font-size:14px}.side-nav{display:grid;gap:5px}.side-nav a{display:flex;align-items:center;gap:11px;padding:13px 13px;border-radius:8px;font-size:14px;color:#52646a}.side-nav a.selected,.side-nav a:hover{background:#e4f2ee;color:#126e61;font-weight:700;text-decoration:none}.side-icon{font-size:21px;width:22px;text-align:center}.sidebar-bottom{margin-top:auto;padding:23px 10px;font-size:13px}.course-content{padding:37px clamp(20px,4vw,70px) 75px;min-width:0}.crumb{font-size:12px;color:#96a1a5;margin-bottom:22px}.crumb span{padding:0 8px}.course-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.course-title-row h1{font-size:clamp(25px,3vw,38px);letter-spacing:-1.4px;margin:3px 0 8px}.course-title-row p{line-height:1.5}.content-meta{display:flex;align-items:center;gap:15px;border-bottom:1px solid #e9eeee;margin:17px 0 28px;padding-bottom:24px;color:#89979a;font-size:11px;flex-wrap:wrap}.content-meta code{overflow-wrap:anywhere}.welcome-panel{background:#ecf6f3;padding:32px;border:1px solid #d4e8e0;border-radius:13px}.welcome-panel h2{margin:12px 0}.welcome-panel p{color:#5a7770;line-height:1.6}.two-panels{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.two-panels .panel p{border-bottom:1px solid #eef2f2;padding-bottom:13px;font-size:13px}.module-card{display:flex;gap:18px;padding:23px;background:white;border:1px solid #e0e8e8;border-radius:11px;margin-bottom:13px}.module-card h3{margin:0 0 9px}.module-number{border-radius:50%;display:grid;place-items:center;background:#dfefe9;color:#176d60;font-size:14px;font-weight:800;min-width:36px;height:36px}.prose{white-space:pre-wrap;line-height:1.7;overflow-wrap:anywhere}.editor-box{margin-top:22px;padding:20px;background:#f4f8f7;border:1px dashed #b2d3c9;border-radius:9px}.editor-box summary{font-weight:750;color:#166e60;cursor:pointer}.empty{padding:35px;border:1px dashed #ccd9dc;border-radius:10px;color:#86969a;background:#fff}.activity{margin-bottom:20px}.activity p{line-height:1.6}.discussion-list{margin-top:22px;display:grid;gap:12px}.comment-user{display:flex;align-items:center;gap:10px}.comment-user small{color:#829195}table{border-collapse:collapse;width:100%;font-size:13px}td,th{text-align:left;padding:13px 8px;border-bottom:1px solid #e7eded}th{color:#687c7d}.grade-form{display:grid;grid-template-columns:140px 1fr auto;gap:10px;align-items:end}.grade-form input{max-width:100%}@media(max-width:800px){.course-layout{grid-template-columns:1fr}.course-sidebar{padding:12px;display:block}.course-small{padding:5px}.side-nav{display:flex;overflow-x:auto;padding:7px 0}.side-nav a{white-space:nowrap}.sidebar-bottom{display:none}.course-content{padding:22px}.course-title-row{display:block}.head-row{padding:0 14px}.institution-name{display:none}.top-nav{padding:0 8px;gap:0}.top-nav a{padding:12px;font-size:12px}.admin-grid,.two-panels,.quick-row,.feature-grid{grid-template-columns:1fr}.grade-form{grid-template-columns:1fr}.page-heading{display:block}.main-container{padding:25px 18px}.auth-card{padding:24px}}@media(max-width:450px){.top-nav a{font-size:11px;padding:9px 8px}.top-nav a span{display:none}.brand{font-size:18px}.head-right{gap:7px}}

.role-view{display:flex;flex-wrap:wrap;align-items:center;gap:12px;background:#edf6f4;border:1px solid #c9e3dc;padding:12px 15px;border-radius:12px;margin:15px 0}.role-view span{color:#425b54;flex:1}.role-view .button{font-size:.82rem;padding:8px 12px}.syllabus-field{margin:18px 0}.syllabus-field label{display:block;margin-bottom:7px}.syllabus-field textarea{width:100%;box-sizing:border-box;white-space:pre-wrap}.syllabus-section{border-top:1px solid #e1e5e8;padding:16px 0}.syllabus-section h3{margin:0 0 8px}.syllabus-section .prose{white-space:pre-wrap}

.module-unit{background:#fff;border:1px solid #dae5e3;border-radius:14px;padding:22px;margin:18px 0}.module-top{display:flex;align-items:flex-start;gap:16px}.module-top h3{margin:0}.module-entries{margin:18px 0 10px 52px;display:grid;gap:12px}.module-entry{padding:16px;background:#fafdfc;border:1px solid #e3edeb;border-radius:10px}.module-entry-heading{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.kind-tag{font-size:11px;font-weight:750;color:#166b60;background:#e3f2ed;padding:5px 9px;border-radius:6px}.entry-meta{font-size:12px;color:#738784;margin:10px 0}.module-controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.module-controls form{margin:0}.module-controls button{padding:6px 9px;font-size:11px}.module-reply{margin-top:14px!important;display:grid;gap:9px}.module-reply button{justify-self:start}.topic-replies{margin:12px 0;border-left:3px solid #d1e8df;padding-left:14px;font-size:13px}.topic-replies p{margin:8px 0}@media(max-width:800px){.module-entries{margin-left:0}.module-unit{padding:14px}}
.lecture-block{margin:16px 0}.flip-card{padding:18px;border:1px solid #cbd5e1;border-radius:12px;background:#eff6ff}.flip-card summary{cursor:pointer}.flip-back{background:white;padding:20px;border-radius:8px;margin-top:12px}.video-frame{aspect-ratio:16/9;max-width:850px}.video-frame iframe{width:100%;height:100%;border:0;border-radius:12px}

/* Academy emblem reused in header and browser favicon */
.brand-mark{width:36px;height:36px;object-fit:contain;display:inline-block;flex:none;border-radius:10px}

/* Build .0015 lecture composer and private image blocks */
.lecture-section-title{margin-top:28px}.lecture-block{position:relative}.lecture-block h3{margin:12px 0 15px}
.lecture-text{font-size:15px;line-height:1.8}.lecture-image{margin:16px 0;max-width:100%;display:grid;gap:10px}
.lecture-image img{display:block;max-width:100%;max-height:680px;width:auto;height:auto;border-radius:10px;border:0;object-fit:contain}
.lecture-image figcaption{font-size:13px;color:#5a7371;line-height:1.5}
.lecture-composer [hidden]{display:none!important}.lecture-composer form{gap:14px}
.lecture-check{max-width:500px;margin-top:18px}.lecture-check button{justify-self:start}

/* Activity scheduling controls */
.schedule-fields { border:1px solid var(--border, #cbd5e1); border-radius:10px; padding:12px; margin:14px 0; }
.schedule-fields legend { font-weight:700; padding:0 8px; }
.schedule-fields label { display:block; margin:8px 0; }
.schedule-fields small { display:block; opacity:.78; margin-top:8px; }

/* Course lifecycle administration */
.retention-table{overflow-x:auto;margin:18px 0}.retention-table table{min-width:680px}.retention-table td{vertical-align:top}.retention-table label{font-size:12px;margin-bottom:8px}.retention-table form{margin:0;gap:8px}.retention-table input{max-width:235px}.retention-table .button{padding:8px 12px}.panel#course-retention,.panel#course-availability{margin-top:22px}.panel#course-retention>form{max-width:680px}.panel#course-retention label:has(input[type=checkbox]){display:flex;align-items:center;gap:12px}.panel#course-retention input[type=checkbox]{width:18px;height:18px;flex:none}

/* Discussion scheduling: always show all four independent dates. */
.discussion-schedule{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:10px;margin:14px 0 18px}
.discussion-date{background:#f2f7f6;border:1px solid #d9e8e3;border-radius:9px;padding:11px;display:grid;gap:5px;min-width:0}
.discussion-date .date-label{font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:#496861;font-weight:750}
.discussion-date strong{font-size:12px;color:#253d38;overflow-wrap:anywhere}
.discussion-next{background:#edf6f3;border-left:3px solid #287769;padding:10px 12px;color:#28574f;font-size:12px;line-height:1.6}
.post-stage{font-size:11px;display:inline-block;border:1px solid #accfc6;border-radius:20px;padding:1px 7px;color:#126456;vertical-align:middle}
.post-late{font-size:11px;font-weight:700;display:inline-block;border-radius:20px;background:#fff0da;color:#80520b;padding:1px 7px;vertical-align:middle}


/* .0031 Native interactive lesson layout — reference-inspired, original Harbor Learn CSS. */
.lecture-stream{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 22px;max-width:920px;margin-top:26px;align-items:start;--lesson-accent:#ff642c}
.lecture-stream .lecture-wide-unit{grid-column:1/-1}
.lecture-stream .lecture-flash-unit{grid-column:auto;min-width:0}
.lecture-stream .lecture-block{margin:0;box-shadow:none;border:0;border-radius:0;padding:16px 0 20px;background:transparent}
.lecture-stream .lecture-block-heading{color:#162c33;font-family:ui-sans-serif,system-ui,sans-serif;font-size:clamp(23px,2.6vw,32px);font-weight:680;letter-spacing:-.035em;line-height:1.22;margin:0 0 16px}
.lecture-stream .lecture-text,.lecture-stream .lecture-intro{font-family:Georgia,"Times New Roman",serif;line-height:1.7;font-size:clamp(16px,1.6vw,19px);color:#172331;margin:12px 0 26px;white-space:pre-wrap}
.lecture-stream .lecture-intro{white-space:pre-line}
.lecture-stream .lecture-flash-unit{padding:0;display:flex;flex-direction:column;border:0}
.lecture-stream .lecture-flash-unit .lecture-block-heading{font-size:18px;margin:0;padding:0 6px 12px;line-height:1.4}
.lecture-stream .lecture-flash-unit .lecture-edit-meta{padding:8px}
.lecture-stream .flip-card{position:relative;border:1px solid #d7dfe0;border-top:3px solid var(--lesson-accent);border-radius:0;background:#fff;min-height:240px;height:100%;padding:0;box-shadow:0 7px 20px #11182708}
.lecture-stream .flip-card summary{list-style:none;cursor:pointer;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:235px;padding:35px 27px;text-align:center;gap:12px}
.lecture-stream .flip-card summary::-webkit-details-marker{display:none}
.lecture-stream .flip-face{font-size:clamp(18px,2vw,24px);font-weight:350;line-height:1.5;color:#252c2f;overflow-wrap:anywhere;white-space:pre-wrap}
.lecture-stream .flip-toggle{position:absolute;right:14px;top:10px;font-size:25px;line-height:1;color:#2b383d}
.lecture-stream .flip-instruction{color:#687a7d;font-size:11px;letter-spacing:.02em}
.lecture-stream .flip-card[open] summary{min-height:0;padding:14px 22px 10px;border-bottom:1px solid #ececec}.lecture-stream .flip-card[open] summary .flip-face{font-size:14px}
.lecture-stream .flip-back{background:white;border:0;padding:24px;min-height:150px;display:flex;flex-direction:column;justify-content:center;text-align:center;align-items:center;gap:15px}
.lecture-stream .flip-back .flip-face{font-size:18px}
.lecture-accordion{border:0;margin:22px auto;max-width:790px;background:transparent}
.lecture-accordion-item{border:0;border-radius:9px;margin-bottom:10px;background:#f6f9f8}
.lecture-accordion-item:last-child{border-bottom:0}
.lecture-accordion-item[open]{background:#f3f8f6}
.lecture-accordion-item summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:26px 30px;font-weight:730;list-style:none;color:#152f39}
.lecture-accordion-item summary::-webkit-details-marker{display:none}
.accordion-toggle::before{content:'+';font-size:25px;font-weight:350;color:#637377}
.lecture-accordion-item[open] .accordion-toggle::before{content:'−'}
.lecture-accordion-item .accordion-detail{font-family:Georgia,"Times New Roman",serif;white-space:pre-wrap;font-size:17px;line-height:1.65;padding:0 30px 28px;color:#20313d}
.lecture-numbered{list-style:none;display:grid;gap:25px;margin:28px 0;padding:0}
.lecture-numbered li{display:grid;grid-template-columns:54px minmax(0,1fr);gap:20px;align-items:start;font-family:Georgia,"Times New Roman",serif;line-height:1.65;font-size:18px}
.lecture-numbered strong{font-weight:750}.lecture-number{width:39px;height:39px;display:grid;place-items:center;border-radius:50%;background:var(--lesson-accent);color:white;font:700 15px ui-sans-serif,system-ui,sans-serif}
.lecture-stream .lecture-kind-check{border:0;padding:30px 0 44px}
.lecture-question{font-family:Georgia,"Times New Roman",serif;font-size:19px;line-height:1.5;margin:12px 0 20px;padding-bottom:8px;border:0}
.lecture-stream .lecture-check{max-width:none;display:grid;gap:22px;margin:0}
.lecture-choices{padding:0;border:0;margin:0;display:grid;gap:9px}
.lecture-choice{display:flex;flex-direction:row;gap:18px;align-items:center;padding:13px 14px;border:0;border-radius:6px;cursor:pointer;font:400 17px Georgia,"Times New Roman",serif}
.lecture-choice:hover,.lecture-choice:has(input:checked){background:#fff4ed}
.lecture-choice input{width:20px;height:20px;accent-color:#ee5b25;flex:none;margin:0}
.lecture-stream .lecture-submit{justify-self:center;min-width:170px;background:var(--lesson-accent);border-color:var(--lesson-accent);border-radius:999px;text-transform:uppercase;letter-spacing:.03em;color:#151515}
.lecture-stream .lecture-submit:hover{background:#ec5520}
.lecture-answer-feedback{border-radius:6px;padding:15px;margin:20px 0 5px;line-height:1.5;font-weight:650}
.lecture-answer-success{color:#155d41;background:#e3f5eb}.lecture-answer-retry{color:#8c4b11;background:#fff0df}
.lecture-check-note{font-size:12px;color:#637577;line-height:1.5}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.lecture-stream .editor-box{margin-top:15px}
@media (max-width:900px){.lecture-stream{gap:24px 16px}.lecture-stream .lecture-block{padding:13px 0 17px}}
@media (max-width:620px){.lecture-stream{grid-template-columns:1fr;gap:20px}.lecture-stream .lecture-flash-unit{grid-column:1/-1}.lecture-stream .lecture-block{padding:12px 0}.lecture-numbered li{grid-template-columns:42px minmax(0,1fr);gap:9px}.lecture-accordion-item summary{padding:22px 17px}.lecture-accordion-item .accordion-detail{padding:0 18px 23px}}
@media (prefers-reduced-motion:reduce){.lecture-stream *, .lecture-stream *::before,.lecture-stream *::after{animation:none!important;transition:none!important}}

/* Interaction clarity and accessibility: native details/summary works without JS. */
.lecture-stream .flip-instruction-back{display:none}
.lecture-stream .flip-card[open] .flip-instruction-front{display:none}
.lecture-stream .flip-card[open] .flip-instruction-back{display:inline}
.lecture-stream .flip-card[open] summary .flip-face{display:none}
.lecture-stream .flip-card[open] summary{min-height:0;align-items:flex-end;justify-content:flex-end;padding:15px 22px 8px;border-bottom:0}
.lecture-stream .flip-card[open] .flip-back{min-height:188px;padding:25px 25px 40px}
.lecture-stream .flip-card[open] .flip-back .flip-instruction{display:none}
.lecture-stream .flip-card:focus-within{outline:2px solid #d14b16;outline-offset:3px}
.lecture-stream .flip-card summary:focus-visible, .lecture-accordion-item summary:focus-visible, .lecture-choice:focus-within{outline:3px solid #145f56;outline-offset:3px}
.lecture-stream .lecture-choice:has(input:checked){background:#fff3e8}
.lecture-stream .lecture-choice input:focus-visible{outline:2px solid #145f56;outline-offset:4px}
@media print{.lecture-stream{display:block}.lecture-stream .lecture-block{margin-bottom:20px;page-break-inside:avoid}.lecture-stream .flip-card{min-height:180px}.lecture-stream .lecture-kind-check button{display:none}}

/* .0032 independent 3D flip-card interaction: front/back stay stacked in the same card. */
.lecture-stream button.flip-card{display:block;appearance:none;-webkit-appearance:none;cursor:pointer;text-align:initial;font:inherit;color:inherit;width:100%;height:255px;min-height:255px;padding:0;border:0;border-radius:6px;background:transparent;perspective:1100px;box-shadow:none}
.lecture-stream .flip-card-inner{display:block;position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .68s cubic-bezier(.25,.7,.25,1)}
.lecture-stream .flip-card.is-flipped .flip-card-inner{transform:rotateY(180deg)}
.lecture-stream .flip-card-side{display:flex;position:absolute;inset:0;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:15px;padding:28px 26px;box-sizing:border-box;backface-visibility:hidden;-webkit-backface-visibility:hidden;border:0;border-radius:10px;background:#f7f9f8;box-shadow:0 6px 19px #1118270c}
.lecture-stream .flip-card-back{transform:rotateY(180deg);background:#f6fbfa}
.lecture-stream .flip-card .flip-instruction{font-size:12px;color:#627772}
.lecture-stream .flip-card:hover .flip-card-side{box-shadow:0 10px 24px #11182716}
.lecture-stream .flip-card:focus-visible{outline:3px solid #145f56;outline-offset:5px}
.lecture-stream .flip-card .flip-toggle{position:absolute;right:14px;top:12px}
.lecture-stream .lecture-choices legend{font-weight:650;color:#354b4c;margin-bottom:8px;font-size:14px}
@media (prefers-reduced-motion:reduce){.lecture-stream .flip-card-inner{transition:none}}
@media print{.lecture-stream button.flip-card{height:auto;min-height:0}.lecture-stream .flip-card-inner{height:auto;transform:none!important;display:grid;gap:10px}.lecture-stream .flip-card-side{position:static;min-height:160px;transform:none!important;backface-visibility:visible;box-shadow:none}.lecture-stream .flip-card .flip-instruction{display:none}}

/* .0033: Seamless lesson canvas. Only authoring tools retain a dashed edit boundary. */
.lecture-stream .lecture-wide-unit{min-width:0}
.lecture-stream .lecture-image{margin:6px 0 15px}
.lecture-stream .video-frame{border:0;overflow:hidden;border-radius:9px}
.lecture-stream .lecture-edit-meta{margin-bottom:12px}
.lecture-stream .lecture-block:focus-within{scroll-margin-top:18px}
.lecture-stream .lecture-accordion-item summary:hover{background:#edf4f1;border-radius:9px}
.lecture-stream .lecture-accordion-item summary:focus-visible{outline:3px solid #145f56;outline-offset:2px}
@media print{.lecture-stream .lecture-block,.lecture-stream .flip-card-side,.lecture-stream .lecture-accordion-item{border:0!important;box-shadow:none!important}}

/* .0034: independently selected lecture-component heading typography. */
.lecture-heading-settings{border:1px solid #d9e5e1;border-radius:10px;padding:14px 16px;margin:10px 0 18px}
.lecture-heading-settings legend{font-weight:700;padding:0 7px;color:#23463f}
.lecture-heading-settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.lecture-heading-toggles{display:flex;flex-wrap:wrap;gap:12px 22px;margin:14px 0}
.lecture-heading-toggles label{display:inline-flex;align-items:center;gap:7px;cursor:pointer;margin:0}
.lecture-heading-toggles input{width:18px;height:18px;accent-color:#12665c}
.lecture-stream .lecture-block-heading.heading-font-arial{font-family:Arial,Helvetica,sans-serif}
.lecture-stream .lecture-block-heading.heading-font-georgia{font-family:Georgia,serif}
.lecture-stream .lecture-block-heading.heading-font-times{font-family:"Times New Roman",Times,serif}
.lecture-stream .lecture-block-heading.heading-font-verdana{font-family:Verdana,Geneva,sans-serif}
.lecture-stream .lecture-block-heading.heading-font-trebuchet{font-family:"Trebuchet MS",Arial,sans-serif}
.lecture-stream .lecture-block-heading.heading-font-tahoma{font-family:Tahoma,Geneva,sans-serif}
.lecture-stream .lecture-block-heading.heading-regular{font-weight:400}
.lecture-stream .lecture-block-heading.heading-italic{font-style:italic}
.lecture-stream .lecture-block-heading.heading-underline{text-decoration:underline;text-decoration-thickness:from-font;text-underline-offset:.13em}
.lecture-stream .lecture-block-heading.heading-size-16,.lecture-stream .lecture-flash-unit .lecture-block-heading.heading-size-16{font-size:16px}
.lecture-stream .lecture-block-heading.heading-size-18,.lecture-stream .lecture-flash-unit .lecture-block-heading.heading-size-18{font-size:18px}
.lecture-stream .lecture-block-heading.heading-size-20,.lecture-stream .lecture-flash-unit .lecture-block-heading.heading-size-20{font-size:20px}
.lecture-stream .lecture-block-heading.heading-size-24,.lecture-stream .lecture-flash-unit .lecture-block-heading.heading-size-24{font-size:24px}
.lecture-stream .lecture-block-heading.heading-size-28,.lecture-stream .lecture-flash-unit .lecture-block-heading.heading-size-28{font-size:28px}
.lecture-stream .lecture-block-heading.heading-size-32,.lecture-stream .lecture-flash-unit .lecture-block-heading.heading-size-32{font-size:32px}
.lecture-stream .lecture-block-heading.heading-size-36,.lecture-stream .lecture-flash-unit .lecture-block-heading.heading-size-36{font-size:36px}
.lecture-stream .lecture-block-heading.heading-size-40,.lecture-stream .lecture-flash-unit .lecture-block-heading.heading-size-40{font-size:40px}
.lecture-stream .lecture-block-heading.heading-size-48,.lecture-stream .lecture-flash-unit .lecture-block-heading.heading-size-48{font-size:48px}
@media(max-width:620px){.lecture-heading-settings-grid{grid-template-columns:1fr}}

/* 2026.10.09.0035 — question bank and student assessment */
.bank-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.bank-tools{display:grid;gap:18px}.bank-import-guide{overflow-wrap:anywhere;background:var(--surface-alt,#f3f6f5);padding:14px;border-radius:10px;margin:14px 0}
.bank-question{padding:18px 0;border-bottom:1px solid var(--line,#dde3e0)}.bank-question p{margin:7px 0}
.bank-pick,.bank-answer{display:flex;align-items:flex-start;gap:12px;padding:10px 8px;cursor:pointer}
.bank-pick span{display:grid;gap:4px}.bank-pick small{color:var(--muted,#53635e)}
.bank-pick input,.bank-answer input{width:auto;margin-top:4px;flex:none}.bank-quiz-question{border:0;border-bottom:1px solid var(--line,#dde3e0);padding:18px 0;margin:0 0 18px}
.bank-quiz-question legend{font-weight:650;font-size:1.05rem;line-height:1.6}.bank-quiz-question legend small{font-weight:400;color:var(--muted,#53635e)}
.bank-quiz fieldset[disabled]{opacity:.8}

/* 2026.10.09.0036 — make Question Bank import templates immediately discoverable */
.bank-import-panel h3{margin:0 0 8px}
.bank-template-downloads{display:grid;gap:10px;padding:16px;margin:16px 0;background:#fff;border-radius:10px}
.bank-template-downloads strong{font-size:14px;color:#1c534b}
.bank-template-links{display:flex;flex-wrap:wrap;gap:12px}
.bank-template-links .button{white-space:normal;text-align:center}
.bank-template-downloads small{line-height:1.5}
.bank-upload-title{margin:22px 0 2px;font-size:14px}
@media(max-width:540px){.bank-template-links{display:grid;grid-template-columns:1fr}.bank-template-links .button{width:100%}}

/* .0038: quiz subsection navigation, author-only; student quiz pages show no tools. */
.quiz-tools-nav{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 22px;border-bottom:1px solid #dbe6e2;padding:0 0 10px}
.quiz-tools-nav a{display:inline-flex;align-items:center;padding:9px 16px;border-radius:8px;color:#285b52;text-decoration:none;font-weight:650}
.quiz-tools-nav a:hover{background:#e9f3f0}
.quiz-tools-nav a.selected{background:#e6f2ee;color:#0d5546}
.quiz-tools-nav a:focus-visible{outline:3px solid #136455;outline-offset:3px}

/* .0039: One continuous syllabus, no independent availability/content cards. */
.syllabus-availability-summary,.syllabus-content,.syllabus-builder,.syllabus-availability-editor{
  border:0;box-shadow:none;border-radius:0;background:transparent;padding:0;
}
.syllabus-availability-summary{margin:22px 0 0;}
.syllabus-availability-summary h3{margin:0 0 12px;}
.syllabus-availability-summary p{margin:0;line-height:1.7;}
.syllabus-content{margin:20px 0 0;}
.syllabus-content .syllabus-section:first-child{border-top:0;padding-top:8px;}
.syllabus-content .syllabus-section{padding:22px 0;}
.syllabus-availability-editor{margin:20px 0 12px;}
.syllabus-availability-editor summary{font-weight:750;color:#166e60;cursor:pointer;}
.syllabus-availability-editor form,.syllabus-builder form{display:grid;gap:15px;margin-top:20px;}
.syllabus-builder{margin:26px 0;}
.syllabus-builder h3{margin:0 0 12px;}

/* .0040: Modules link existing items only; no duplicate creation editors. */
.module-linker {margin-top:1rem}
.module-link-row {display:flex;align-items:end;gap:0.75rem;flex-wrap:wrap;padding:0.5rem 0}
.module-link-row label {flex:1 1 240px;margin:0}
.module-link-row .button {flex:0 0 auto}
.module-link-row small {flex-basis:100%}


/* .0043 Module drag-and-drop ordering, scoped to developer workspace only. */
.js-module-sort .module-entry{transition:background .16s ease,border-color .16s ease,opacity .16s ease}
.module-entry-heading .module-drag-handle{display:inline-flex;align-items:center;justify-content:center;width:29px;height:34px;flex:none;border-radius:6px;font:700 24px ui-sans-serif,system-ui,sans-serif;line-height:1;color:#367468;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}
.module-entry-heading .module-drag-handle:hover{background:#e6f2ed}
.module-entry-heading .module-drag-handle:active{cursor:grabbing}
.js-module-sort .module-entry.is-dragging{opacity:.52}
.js-module-sort .module-entry.drop-above{box-shadow:0 -4px 0 #20806e}
.js-module-sort .module-entry.drop-below{box-shadow:0 4px 0 #20806e}
.js-module-sort.is-saving{pointer-events:none;opacity:.8}
.module-order-status{font-size:12px;color:#1b6b58;min-height:1em;margin:6px 0 0}
.module-order-status.is-error{color:#b42318;font-weight:650}
@media(prefers-reduced-motion:reduce){.js-module-sort .module-entry{transition:none}}

/* 2026.10.09.0045: linked module assessments open as full, focused pages. */
.activity-detail-navigation{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:22px 0 26px}
.activity-detail{max-width:960px}
.activity-detail .activity-header{margin-bottom:16px}
.activity-detail form{margin-top:18px}
.activity-detail .bank-quiz-question{margin:18px 0}

/* 2026.10.09.0046 — module assessment titles are direct, keyboard-accessible links. */
.module-activity-title{color:#175c50;font-weight:750;text-decoration:none;text-underline-offset:3px}
.module-activity-title:hover,.module-activity-title:focus-visible{text-decoration:underline}
.module-activity-title:focus-visible{outline:2px solid #177d6d;outline-offset:3px;border-radius:3px}
.module-entry:target{border-color:#20806e;box-shadow:0 0 0 2px #d1e8df;scroll-margin-top:24px}

/* .0047: Independent, course-scoped drag ordering of full modules. */
.js-course-module-sort > .module-unit{transition:background .16s ease,border-color .16s ease,opacity .16s ease}
.module-top .module-unit-drag-handle{display:inline-flex;align-items:center;justify-content:center;width:29px;height:36px;flex:none;border-radius:6px;font:700 24px ui-sans-serif,system-ui,sans-serif;line-height:1;color:#367468;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}
.module-top .module-unit-drag-handle:hover{background:#e6f2ed}
.module-top .module-unit-drag-handle:active{cursor:grabbing}
.module-top .module-unit-title{flex:1;min-width:0}
.module-unit-controls{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-left:auto}
.module-unit-controls form{margin:0}
.module-unit-controls button{font-size:11px;padding:7px 9px}
.js-course-module-sort > .module-unit.is-dragging{opacity:.5}
.js-course-module-sort > .module-unit.drop-above{box-shadow:0 -4px 0 #20806e}
.js-course-module-sort > .module-unit.drop-below{box-shadow:0 4px 0 #20806e}
.js-course-module-sort.is-saving{pointer-events:none;opacity:.8}
.course-module-order-status{font-size:12px;color:#1b6b58;min-height:1em;margin:8px 0}
.course-module-order-status.is-error{color:#b42318;font-weight:650}
.module-sorting-help{font-size:12px}
@media(max-width:850px){.module-unit-controls{width:100%;margin-left:0;padding-left:42px}.module-top{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.js-course-module-sort > .module-unit{transition:none}}

/* .0048: assignment attempt history remains legible for long submission lists. */
.attempt-history{margin-top:28px;display:grid;gap:12px}
.attempt-history h3{margin:0 0 4px}
.attempt-record{border-left:3px solid #287b67;padding:14px 16px}
.attempt-record p{overflow-wrap:anywhere}
.attempt-record a{overflow-wrap:anywhere}
.attempt-record .grade-form{margin-top:12px}

/* .0049 course templates and reuse controls */
.course-copy-tools { display:flex; gap:.8rem; flex-wrap:wrap; align-items:flex-start; margin:1rem 0 1.4rem; }
.course-copy-tools > details { flex:1 1 290px; min-width:260px; margin:0; }
.course-copy-tools > form { flex:1 1 230px; }
.course-copy-tools > a { align-self:center; }
.course-template-flag small {display:block; max-width:30rem; margin-top:.5rem; }
.course-template-grid {display:grid; gap:1rem; grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));}
.template-heading {display:flex; align-items:center; gap:.75rem; flex-wrap:wrap;}
.template-heading h2 {margin:0;}
.inline-choice {display:flex; align-items:center; gap:.6rem;}
.inline-choice input {width:auto;}
.template-preview-list {display:flex; gap:.5rem; flex-wrap:wrap;}

/* .0054 institution-scoped header branding */
.brand-institution-logo{display:block;max-width:min(260px,45vw);height:48px;max-height:48px;width:auto;object-fit:contain;object-position:left center}
.logo-settings-preview{max-width:320px;max-height:100px;height:100px;width:auto}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:450px){.brand-institution-logo{max-width:145px;height:40px}}
/* Grading category controls — wraps cleanly on narrow viewports. */
.grade-category-item,.grade-category-controls{display:flex;align-items:end;gap:.75rem;flex-wrap:wrap;margin:.7rem 0;padding:.7rem;border-bottom:1px solid var(--border,#d7dce3)}
.grade-category-item label,.grade-category-controls label{flex:1 1 280px;min-width:170px}
.grade-category-controls form{display:flex;align-items:end;gap:.6rem;flex-wrap:wrap}

/* Grading scheme validation: focus-managed modal with readable explanatory copy. */
.grading-error-dialog{max-width:min(92vw,30rem);border:1px solid #d0d9e7;border-radius:12px;padding:1.5rem;box-shadow:0 20px 60px rgba(0,0,0,.28);color:#152d45;background:white}
.grading-error-dialog::backdrop{background:rgba(5,20,36,.56)}
.grading-error-dialog h3{margin-top:0}
.grading-weight-total{margin:.65rem 0;padding:.5rem .75rem;border:1px solid #d7dce3;border-radius:6px}
.grading-invalid{color:#9e3127}
.grading-template-save-form,[data-scheme-apply-form]{display:flex;gap:1rem;align-items:end;flex-wrap:wrap;margin:.75rem 0}
.grading-template-save-form label,[data-scheme-apply-form] label{flex:1 1 260px}

/* .0061: tightly aligned platform administration controls and account management. */
.institution-actions{display:flex;align-items:end;flex-wrap:wrap;gap:12px;margin-top:15px}
.institution-actions>form,.platform-admin-actions form{display:flex;align-items:end;gap:12px;margin:0}
.institution-suspend-form{flex:1 1 360px;max-width:650px}
.institution-suspend-form label{flex:1;min-width:175px}
.institution-actions .button{min-height:43px}
.platform-admin-create{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:20px 0 26px}
.platform-admin-create>div{border:1px solid #e0e8e8;border-radius:10px;padding:20px;min-width:0}
.platform-admin-account{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:15px 0;border-bottom:1px solid #e3e9ea}
.platform-admin-account p{margin:7px 0 0;overflow-wrap:anywhere}
.platform-admin-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.platform-delete-confirm{max-width:365px}
.platform-delete-confirm summary{cursor:pointer;color:#a12b2b;font-weight:700}
.platform-delete-confirm form{display:grid;margin-top:12px}
.button.danger{background:#9e2828;border-color:#9e2828}
@media(max-width:850px){.platform-admin-create{grid-template-columns:1fr}.platform-admin-account{align-items:stretch;flex-direction:column}.institution-actions{align-items:stretch}.institution-actions>form,.institution-suspend-form{flex-wrap:wrap;align-items:stretch}.institution-suspend-form label{flex-basis:100%}}

/* .0062 — Platform administration: consistent, accessible expandable heading rows. */
.platform-workspace{max-width:1200px}
.platform-page-heading{margin-bottom:10px}
.platform-workspace-intro{font-size:14px;margin:0 0 20px}
.platform-section{background:#fff;border:1px solid #dfe9e8;border-radius:12px;overflow:hidden;margin:0 0 12px}
.platform-section[open]{border-color:#c5dfd8;box-shadow:0 4px 16px #153d3509}
.platform-section-heading,.platform-item-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;list-style:none;min-width:0}
.platform-section-heading::-webkit-details-marker,.platform-item-heading::-webkit-details-marker{display:none}
.platform-section-heading{padding:19px 22px;min-height:82px}
.platform-section-heading:hover,.platform-item-heading:hover{background:#f5faf8}
.platform-section-heading:focus-visible,.platform-item-heading:focus-visible{outline:3px solid #188b7e;outline-offset:-4px}
.platform-section-title{display:flex;align-items:center;gap:16px;min-width:0}
.platform-section-title>span:last-child,.platform-item-title{display:grid;gap:5px;min-width:0}
.platform-section-title strong{font-size:18px;letter-spacing:-.3px;color:#193d3c}
.platform-section-title small,.platform-item-title small{font-size:12px;color:#687d80;line-height:1.4;overflow-wrap:anywhere}
.platform-section-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;background:#e9f4f0;color:#116d61;font-weight:bold;font-size:22px}
.platform-section-right{display:flex;align-items:center;gap:20px;flex-shrink:0}
.platform-section-count{font-size:12px;color:#52686a;background:#f1f5f5;padding:5px 10px;border-radius:30px;white-space:nowrap}
.platform-chevron{width:10px;height:10px;border-right:2px solid #55716d;border-bottom:2px solid #55716d;transform:rotate(45deg);transition:transform .15s;margin-right:5px;flex-shrink:0}
[open]>.platform-section-heading .platform-chevron,[open]>.platform-item-heading .platform-chevron{transform:rotate(225deg)}
.platform-section-content{padding:22px;border-top:1px solid #e7eeee}
.platform-section-content>p:first-child{margin-top:0;line-height:1.6}
.platform-section-content h3{margin:20px 0 10px}
.platform-section-content h3:first-child{margin-top:0}
.platform-subsection{padding:18px 20px;background:#f8fbfa;border:1px solid #e4eeeb;border-radius:10px}
.platform-simple-form{max-width:750px}
.platform-compact-list{display:grid;gap:9px;margin-top:18px}
.platform-item{border:1px solid #e1e9e8;border-radius:9px;background:#fff;overflow:hidden;min-width:0}
.platform-item[open]{border-color:#bcdcd4}
.platform-item-heading{padding:15px 17px;min-height:62px}
.platform-item-title strong{font-size:15px;color:#193d3c}
.platform-item-content{padding:15px 18px 18px;border-top:1px solid #e9efee}
.platform-item-content>p:first-child{margin-top:0}
.platform-status{font-size:12px;font-weight:700;border-radius:30px;padding:6px 11px;white-space:nowrap}
.platform-status-active{background:#e1f4e9;color:#176c48}
.platform-status-suspended{background:#fff0e9;color:#994735}
.platform-admin-create{margin:18px 0 25px}
.platform-admin-create>details{padding:0;min-width:0}
.platform-admin-create .platform-item-heading{min-height:80px}
.platform-admin-account{display:block;padding:0}
.platform-admin-account .platform-item-heading{flex-direction:row;align-items:center}
.platform-admin-account .platform-item-content{display:block}
.platform-list-entry{padding:16px 0;border-bottom:1px solid #e7eded}
.platform-entry-heading{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.platform-entry-heading small,.platform-audit-line{font-size:12px;color:#647b7e}
.platform-audit-line{padding:10px 0;border-bottom:1px solid #e7eded;overflow-wrap:anywhere}
@media(max-width:700px){.platform-section-heading{padding:15px;min-height:72px}.platform-section-content{padding:15px}.platform-section-title{gap:10px}.platform-section-title strong{font-size:15px}.platform-section-icon{width:32px;height:32px;font-size:18px}.platform-section-count{display:none}.platform-section-right{gap:9px}.platform-item-heading{padding:13px}.platform-item-content{padding:13px}.platform-page-heading form{margin-top:12px}}