:root{--ink:#17211f;--muted:#5d6966;--green:#115c49;--green2:#0b493a;--pale:#e8f1ee;--paper:#f5f7f6;--white:#fff;--line:#d6dfdc;--warm:#fff6df;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 Arial,Helvetica,sans-serif}button,a,input,select{font:inherit}a{color:var(--green)}.eml-head{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line)}.eml-brand{max-width:var(--max);height:62px;margin:auto;padding:0 22px;display:flex;align-items:center}.eml-brand>a{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.eml-brand>a span{display:grid;place-items:center;width:34px;height:34px;background:var(--green);color:#fff;border-radius:4px}.eml-brand small{margin-left:auto;color:var(--muted)}#eml-menu{display:none;margin-left:auto}.eml-head nav{max-width:var(--max);margin:auto;padding:0 22px;display:flex;overflow:auto}.eml-tab{border:0;border-bottom:3px solid transparent;background:#fff;padding:11px 13px;color:var(--muted);white-space:nowrap;cursor:pointer}.eml-tab.active{color:var(--green);border-color:var(--green);font-weight:700}.eml-panel{display:none;max-width:var(--max);margin:auto;padding:44px 22px 76px}.eml-panel.active{display:block}.eml-title{display:grid;grid-template-columns:1.4fr .6fr;gap:42px;align-items:end;margin-bottom:30px}.simple-title{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:28px}.kicker{color:var(--green);font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin:0}.eml-title h1,.simple-title h1{font-size:clamp(2.25rem,5vw,4.2rem);line-height:1.02;letter-spacing:-.04em;margin:8px 0}.lead{color:var(--muted);font-size:1.13rem;max-width:850px}.facts{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--line)}.facts div{padding:15px;border:solid var(--line);border-width:0 1px 1px 0}.facts b{display:block;color:var(--green);font-size:1.6rem}.facts span{color:var(--muted);font-size:.82rem}.agenda{position:sticky;top:105px;z-index:12;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);margin-bottom:18px}.agenda button{padding:12px;border:0;border-right:1px solid var(--line);background:#fff;text-align:left;cursor:pointer}.agenda b{display:block;color:var(--green)}.objective-card,.content-card,.resource-card,.empty-card{background:#fff;border:1px solid var(--line);padding:25px;margin-bottom:18px}.objective-card h2,.content-card h2,.resource-card h2,.empty-card h2{margin:0 0 15px}.objective-grid,.topic-grid,.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.objective-grid div,.topic-grid div,.project-grid div{display:flex;gap:9px;padding:13px;background:#f7f9f8;border:1px solid var(--line)}.objective-grid span{color:var(--green);font-weight:700}.topic-grid div,.project-grid div{flex-direction:column}.topic-grid span,.project-grid span{color:var(--muted);font-size:.9rem}.teaching-block{display:grid;grid-template-columns:210px 1fr;background:#fff;border:1px solid var(--line);border-radius:7px;overflow:hidden;scroll-margin-top:155px}.block-time{background:#eaf1ef;padding:25px;border-right:1px solid var(--line)}.block-time span,.block-time small{display:block;color:var(--muted)}.block-time b{display:block;font-size:1.17rem;margin:5px 0}.block-body{padding:28px}.block-body h2{margin:0 0 18px;font-size:1.6rem}.block-body h3{font-size:1.05rem}.block-body table{width:100%;border-collapse:collapse}.block-body th,.block-body td{border:1px solid var(--line);padding:10px;text-align:left}.block-body pre{padding:14px;background:#1e2926;color:#f1f5f4;overflow:auto;border-radius:4px}.class-break{display:flex;justify-content:space-between;margin:8px 0;padding:9px 14px;background:#e7eae9;color:var(--muted)}.resource-card{display:grid;gap:8px}.resource-card a{display:flex;flex-direction:column;padding:12px;background:var(--pale);text-decoration:none}.resource-card span{color:var(--muted);font-size:.88rem}.eml-button,.leader-head a{display:inline-flex;background:var(--green);color:#fff;text-decoration:none;padding:9px 13px;border-radius:4px}.table-scroll{overflow:auto;background:#fff;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;min-width:780px}th{background:#263631;color:#fff;text-align:left;padding:13px;font-size:.78rem;text-transform:uppercase}td{padding:13px;border-bottom:1px solid var(--line);vertical-align:top}tr.current{background:var(--pale)}.challenge-note{background:var(--warm);border:1px solid #e5ce9e;padding:18px;margin-bottom:14px}.challenge-note h2{margin:0 0 7px}.classroom-summary{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}.leaders,.score-guide{background:#fff;border:1px solid var(--line);padding:17px}.leader-head{display:flex;align-items:center;justify-content:space-between}.leader-head h2,.score-guide h2{margin:0}.score-guide label{display:flex;flex-direction:column;gap:6px;font-weight:700}.score-guide select{padding:9px;border:1px solid var(--line)}.student-tools{display:flex;justify-content:space-between;align-items:center;background:var(--pale);border:1px solid #bdd2ca;padding:14px 16px}.student-tools button,.row-buttons button{border:1px solid var(--green);background:#fff;color:var(--green);padding:6px 9px;border-radius:4px;cursor:pointer}.student-table td:nth-child(1){width:48px}.student-table td:nth-child(3){width:75px;text-align:center}.student-table td:nth-child(5){width:280px}.score{font-size:1.15rem;color:var(--green)}.question-pane{display:none}.question-pane.is-visible{display:block}.question-pane.is-visible~.waiting{display:none}.answer-pane{display:none;margin-top:10px;padding:11px;background:var(--pale);border-left:3px solid var(--green)}.answer-pane.is-visible{display:block}.row-buttons{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.row-buttons button[data-outcome="correct"],.row-buttons button[data-outcome="volunteer"]{background:var(--green);color:#fff}.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.people-grid article,.assessment-grid article{background:#fff;border:1px solid var(--line);padding:19px}.people-grid span,.assessment-grid article>b{color:var(--green);font-size:.76rem;text-transform:uppercase}.people-grid h2,.assessment-grid h2{font-size:1.12rem;margin:8px 0}.assessment-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:16px}.assessment-grid article{border-top:4px solid var(--green)}.assessment-grid p{color:var(--muted)}.official-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:20px}.official-grid a{display:flex;flex-direction:column;padding:17px;background:var(--green);color:#fff;text-decoration:none}.official-grid span{color:#dceae6;font-size:.87rem}.glossary td:first-child{color:var(--green);white-space:nowrap}footer{background:#263631;color:#dce5e2;padding:22px max(22px,calc((100vw - var(--max))/2 + 22px));display:flex;justify-content:space-between}footer button{background:none;border:1px solid #71827d;color:#fff;padding:6px 10px}
@media(max-width:850px){.eml-title,.teaching-block{grid-template-columns:1fr}.block-time{border:0;border-bottom:1px solid var(--line)}.objective-grid,.topic-grid,.project-grid,.people-grid,.assessment-grid,.official-grid{grid-template-columns:1fr 1fr}.classroom-summary{grid-template-columns:1fr}}
@media(max-width:620px){.eml-brand small{display:none}#eml-menu{display:block}.eml-head nav{display:none;flex-direction:column}.eml-head nav.open{display:flex}.eml-tab{text-align:left}.agenda{position:static;grid-template-columns:1fr 1fr}.objective-grid,.topic-grid,.project-grid,.people-grid,.assessment-grid,.official-grid{grid-template-columns:1fr}.eml-panel{padding-top:30px}.block-body{padding:20px}footer{gap:12px;flex-direction:column}}
@media print{.eml-head,.agenda,footer,.row-buttons,.student-tools{display:none}.eml-panel{display:block!important;page-break-before:always}.eml-panel#lecture{page-break-before:auto}.teaching-block{break-inside:avoid}.answer-pane{display:block}body{background:#fff}}

/* Production presentation refinements */
:root{--max:1420px}
.score-guide .active-question{display:flex;justify-content:space-between;gap:18px;margin-top:14px;padding:11px 13px;background:var(--pale);border-left:3px solid var(--green)}
.score-guide .active-question span{color:var(--muted)}
.student-tools>div{display:flex;flex-wrap:wrap;gap:8px}
.student-table tr.active-question>td{background:#f0f7f4}
.student-table tr.active-question>td:first-child{box-shadow:inset 4px 0 0 var(--green)}

/* CourseForge presentation controls */
.eml-group-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:22px}.eml-group-grid article{background:#fff;border:1px solid var(--line);border-top:5px solid var(--green)}.eml-group-grid article>header{padding:18px 20px;border-bottom:1px solid var(--line)}.eml-group-grid article>header span,.eml-group-project small{color:var(--green);font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.eml-group-grid h2{margin:4px 0 0;font-size:1.35rem}.eml-group-project{display:flex;flex-direction:column;padding:15px 20px;background:var(--pale)}.eml-group-project strong{margin-top:4px}.eml-group-members{display:flex;flex-wrap:wrap;gap:6px;padding:16px 20px 4px}.eml-group-members span{padding:5px 8px;border:1px solid var(--line);border-radius:999px;font-size:.8rem}.eml-group-grid dl{display:grid;grid-template-columns:90px 1fr;gap:8px;margin:0;padding:16px 20px 20px}.eml-group-grid dt{color:var(--muted);font-size:.76rem;font-weight:700;text-transform:uppercase}.eml-group-grid dd{margin:0;font-weight:700}@media(max-width:1050px){.eml-group-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.eml-group-grid{grid-template-columns:1fr}}
.lecture-control-bar{position:sticky;top:105px;z-index:12;display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:10px;margin-bottom:18px}
.lecture-control-bar .agenda{position:static;top:auto;z-index:auto;grid-template-columns:repeat(5,minmax(0,1fr));margin:0}
.lecture-control-bar .agenda button{min-width:0;padding:11px 12px}
.lecture-control-bar .agenda button:last-child{border-right:0}
.lecture-control-bar .agenda button:hover,.lecture-control-bar .agenda button.active{background:var(--green);color:#fff}
.lecture-control-bar .agenda button:hover b,.lecture-control-bar .agenda button.active b{color:#fff}
.lecture-control-bar .agenda span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.78rem;color:var(--muted)}
.lecture-control-bar .agenda button:hover span,.lecture-control-bar .agenda button.active span{color:#dceae6}
.class-clock{display:grid;grid-template-columns:1fr 1fr;gap:7px;background:#263631;color:#fff;padding:9px 10px;border:1px solid #263631}
.clock-face span,.timer-face span{display:block;color:#bfd0ca;font-size:.68rem;text-transform:uppercase;letter-spacing:.06em}
.clock-face strong,.timer-face strong{display:block;font-size:1.12rem;font-variant-numeric:tabular-nums}
.timer-buttons{grid-column:1/-1;display:flex;gap:5px}
.timer-buttons button{flex:1;border:1px solid #71827d;background:transparent;color:#fff;padding:4px 5px;font-size:.72rem;cursor:pointer}
.timer-buttons button:hover{background:#fff;color:#263631}
.class-clock.timer-finished{background:#8b2f2f;border-color:#8b2f2f}
.collapse-block{margin-top:20px;border:1px solid var(--green);background:#fff;color:var(--green);padding:6px 9px;cursor:pointer}
.block-content[hidden],.teaching-block[hidden]{display:none}
.teaching-block{margin-bottom:14px}
.lecture-file{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:18px 0;padding:16px 18px;border:1px solid #bdd2ca;border-left:5px solid var(--green);background:var(--pale);text-decoration:none}
.lecture-file span{color:var(--muted);font-size:.85rem}
.video-embed{position:relative;width:100%;aspect-ratio:16/9;margin:22px 0;background:#111;overflow:hidden}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media(max-width:1000px){.lecture-control-bar{position:static;grid-template-columns:1fr}.lecture-control-bar .agenda{grid-template-columns:repeat(5,minmax(120px,1fr));overflow:auto}}
@media(max-width:620px){.lecture-control-bar .agenda{grid-template-columns:1fr 1fr}.lecture-file{align-items:flex-start;flex-direction:column}}
@media print{.lecture-control-bar,.collapse-block{display:none!important}.teaching-block[hidden]{display:grid!important}.block-content[hidden]{display:block!important}}
.row-buttons button.saved{background:var(--green);color:#fff}
.block-body img{display:block;max-width:100%;height:auto;margin-inline:auto}
.lecture-figure{margin:25px auto;text-align:center}
.lecture-figure img{border:1px solid var(--line);border-radius:5px;box-shadow:0 8px 24px rgba(23,33,31,.08)}
.lecture-figure figcaption{margin-top:9px;color:var(--muted);font-size:.9rem}
.equation{margin:20px 0;padding:14px;overflow:auto;text-align:center;background:#f7f9f8;border-left:3px solid var(--green)}
.inline-equation{white-space:nowrap}
.block-body mjx-container{max-width:100%;overflow-x:auto;overflow-y:hidden}
.block-body pre code{font:inherit;color:inherit}
.classroom-summary{grid-template-columns:.82fr 1fr 1.2fr}
.champion-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:4px solid #b68a22;padding:17px}
.champion-card>span{color:#76580e;font-size:.78rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.champion-card>strong{margin:9px 0 2px;font-size:1.28rem}
.champion-card>b{color:var(--green)}
.champion-card>small{margin-top:13px;color:var(--muted);line-height:1.4}
.attendance-report-link{display:inline-flex;align-items:center;border:1px solid var(--green);background:var(--green);color:#fff;padding:6px 10px;border-radius:4px;text-decoration:none}
.attendance-status{display:inline-block;margin-bottom:3px;padding:4px 8px;border-radius:999px;background:#eef1f0;color:var(--muted);font-size:.78rem;font-weight:700}
.attendance-status.status-present{background:#dcefe7;color:#0b5a42}
.attendance-status.status-absent{background:#f8dfdf;color:#8a2525}
.attendance-status.status-late{background:#fff0ca;color:#775400}
.row-buttons button[data-action="attendance"].attendance-selected{background:var(--green);color:#fff;box-shadow:0 0 0 2px rgba(17,92,73,.16)}
.row-buttons button[data-action="attendance"][data-status="not_recorded"].attendance-selected{background:#66736f;border-color:#66736f;color:#fff;box-shadow:0 0 0 2px rgba(102,115,111,.14)}
@media(max-width:1050px){.classroom-summary{grid-template-columns:1fr}.champion-card,.leaders,.score-guide{min-height:0}}