:root{color-scheme:light;--green:#345a47;--ink:#263d31;--muted:#617268;--line:#dce5dc;--paper:#f4f7f2;--gold:#8c682b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Tahoma,Arial,sans-serif;font-size:15px;line-height:1.8}button,input,select,textarea{font:inherit}button,a,summary,select{-webkit-tap-highlight-color:transparent}button,select{min-height:44px}button{cursor:pointer;background:#fff;color:var(--green);border:1px solid #bdcdbf;border-radius:10px;padding:9px 17px;font-weight:700}button:hover{background:#e8f0e7}button:disabled{opacity:.55;cursor:wait}button.primary,.primary{background:var(--green);color:#fff;border-color:var(--green)}button.primary:hover{background:#254334}a{color:var(--green);text-underline-offset:4px}:focus-visible{outline:3px solid #b78b3a;outline-offset:3px}[hidden]{display:none!important}.topbar{background:var(--green);color:white;padding:15px 24px}.topbar nav{max-width:1120px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar a{color:white;text-decoration:none}.topbar nav>div{display:flex;gap:22px;font-size:13px}.brand{font-weight:700;font-size:19px}.shell{max-width:1120px;width:calc(100% - 48px);margin:36px auto}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.intro h1{font-size:32px;line-height:1.4;margin:5px 0 10px}.intro p{margin:0;color:var(--muted)}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.2px;color:#5e7a66}.year{border-right:2px solid #b8c8b9;padding-right:20px;font-size:18px;font-weight:bold;white-space:nowrap}.year small{font-size:12px;font-weight:400;color:var(--muted)}.controls{display:flex;gap:16px;align-items:end;flex-wrap:wrap}.term-field{display:grid;gap:4px;min-width:180px}label{font-size:12px;font-weight:bold}select{border:1px solid #bfcec1;border-radius:9px;background:white;color:var(--ink);padding:9px 13px;max-width:100%}.segments{display:flex;gap:5px;padding:4px;border:1px solid var(--line);border-radius:12px;background:#eaf0e7}.segments button{border-color:transparent;background:transparent}.segments button[aria-pressed=true]{background:var(--green);color:white;box-shadow:0 2px 4px #25392b18}.week-picker{display:grid;gap:4px}.sync-row{display:flex;align-items:center;gap:13px;margin:14px 0 22px;flex-wrap:wrap;font-size:12px}.sync-row p{flex:1;margin:0;color:var(--muted);min-width:200px}.sync-row button{padding:4px 12px;font-size:12px}.selected-week{border:1px solid var(--line);border-radius:18px;padding:25px;background:#fff;box-shadow:0 5px 20px #25432e05}.week-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.week-title h2{margin:2px 0;font-size:25px}.week-title p,.week-title small{margin:0;color:var(--muted);font-size:13px}.week-title small{font-size:12px}.cards{display:grid;gap:14px}.grade-card{border:1px solid var(--line);border-radius:13px;overflow:hidden}.card-top{display:flex;align-items:center;gap:15px;padding:17px 19px;background:#fbfcfa}.grade-number{width:48px;height:48px;display:grid;place-items:center;border-radius:12px;background:#e8efe5;color:var(--green);font-size:25px;font-weight:700;flex-shrink:0}.grade-5 .grade-number{background:#f4eddf;color:#87632c}.grade-6 .grade-number{background:#e5edf0;color:#3e6773}.card-title{flex:1;min-width:0}.card-title h3{font-size:16px;margin:0 0 3px}.card-title p{margin:0;font-size:13px;color:var(--muted)}.badge{display:inline-block;font-size:10px;font-weight:400;padding:2px 8px;border-radius:20px;background:#e9f0e6;color:#3f6049;margin-inline-start:8px}.badge.template,.badge.draft{background:#f8eedc;color:#805b24}.card-actions{display:flex;gap:8px}.card-actions button{font-size:12px}.card-details{border-top:1px solid var(--line);padding:0 19px}.card-details summary{cursor:pointer;min-height:45px;display:flex;align-items:center;gap:9px;font-size:13px;font-weight:bold;color:var(--green)}summary::after{content:'+';margin-inline-start:auto;font-size:19px}details[open]>summary::after{content:'−'}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;padding-bottom:18px}.detail-grid section{min-width:0}.detail-grid h4{margin:9px 0 4px;font-size:13px;color:#456a51}.detail-grid p,.detail-grid ul{margin:0;font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere}.detail-grid ul{padding-right:20px}.detail-grid .wide{grid-column:1/-1}.task-box,.alert-box{background:#f4f7f0;padding:12px;border-radius:9px}.alert-box{background:#fcf4e5}.links{display:flex;gap:12px;flex-wrap:wrap;padding-top:10px}.lesson-image{max-height:360px;max-width:100%;display:block;margin:10px auto;border:1px solid var(--line);border-radius:8px}.image-details summary{border:1px solid var(--line);padding:5px 12px;border-radius:8px}.publication{font-size:12px;color:var(--gold);padding:8px 0}.notice,.holiday{background:#faf2e3;color:#775321;padding:12px 16px;border-radius:10px;font-size:12px;margin:0 0 17px}.holiday h3{font-size:20px;margin:0}.holiday p{margin:5px 0 12px}.holiday button{margin-top:5px}.archive{margin-top:32px}.archive-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.archive-heading h2{font-size:20px;margin:0 0 12px}.archive-heading span{font-size:12px;color:var(--muted)}.week-row{background:white;border:1px solid var(--line);border-radius:10px;margin:8px 0;overflow:hidden}.week-row>summary{display:flex;align-items:center;gap:18px;padding:13px 17px;cursor:pointer;list-style:none;font-size:13px}.week-row>summary::-webkit-details-marker{display:none}.week-row summary strong{min-width:100px}.week-row summary span{font-size:12px;color:var(--muted)}.week-row.active{border-color:#486c54}.week-row-body{padding:0 16px 16px}.week-row-body .card-top{padding:12px}.week-row-body .grade-number{width:36px;height:36px;font-size:20px}.break-strip{font-size:12px;color:#795824;padding:7px 15px;border-right:3px solid #b68c46;margin:12px 0;background:#f6eddf;border-radius:6px}.footnote{font-size:11px;color:var(--muted);margin:24px 0}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#244433;color:#fff;padding:12px 22px;border-radius:12px;box-shadow:0 5px 30px #172d2330;display:none;z-index:10;max-width:90vw;text-align:center}#toast.visible{display:block}dialog{width:min(700px,94vw);border:0;border-radius:17px;padding:27px;color:var(--ink);max-height:90vh}dialog::backdrop{background:#102a2066}dialog h2{margin:3px 0 8px;font-size:21px}dialog p{font-size:12px;color:var(--muted)}dialog textarea{width:100%;height:47vh;resize:vertical;border:1px solid #b9cbbd;border-radius:9px;padding:14px;line-height:1.8;font-size:14px;color:var(--ink)}dialog .close{float:left;border:0;padding:0;width:40px;font-size:27px}dialog>.primary{margin-top:12px;width:100%}
@media(max-width:700px){.shell{width:calc(100% - 24px);margin:22px auto}.intro h1{font-size:25px}.intro{align-items:start;gap:12px}.intro p{font-size:13px}.year{display:none}.topbar{padding:13px}.topbar nav{gap:12px}.brand{font-size:15px}.topbar nav>div{gap:12px;font-size:11px}.controls{gap:10px}.term-field{width:100%}.segments{width:100%}.segments button{flex:1;font-size:12px;padding:8px 4px}.week-picker{width:100%}.selected-week{padding:15px}.week-title{align-items:start;flex-direction:column}.week-title h2{font-size:22px}#copy-all{width:100%}.card-top{padding:13px;flex-wrap:wrap;gap:10px}.card-actions{width:100%;padding-right:58px}.card-actions button{flex:1;padding:7px 9px}.badge{margin:4px 0 0;display:table}.detail-grid{grid-template-columns:1fr}.card-details{padding:0 13px}.detail-grid .wide{grid-column:auto}.archive-heading{align-items:start;flex-direction:column;gap:0}.week-row>summary{gap:8px;flex-wrap:wrap}.week-row summary strong{min-width:85px}.week-row summary span{font-size:11px}.week-row summary::after{margin-right:auto}.week-row-body{padding:0 8px 12px}.sync-row{gap:7px}.sync-row p{flex-basis:100%}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}