:root{--forest:#183e36;--ink:#20332e;--muted:#59675f;--paper:#f4f3ed;--white:#fff;--line:#d3dad3;--accent:#246654;--gold:#805b12;--red:#9d392f;--radius:8px;font-family:'Avenir Next',Avenir,'Segoe UI',sans-serif;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.5;color-scheme:light;scrollbar-color:#80988b var(--paper)}*{box-sizing:border-box}body{margin:0}::selection{background:#c8e7d5;color:var(--forest)}button,input,textarea,select{font:inherit}button,a,input,select,textarea{outline-offset:3px} :focus-visible{outline:3px solid #a67318}a{color:var(--accent);text-underline-offset:3px}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:9px 15px;background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:6px;cursor:pointer;text-decoration:none;font-weight:600}button:hover,.button:hover{background:#e7eee6}button:disabled{opacity:.5;cursor:wait}.primary{color:#fff;background:var(--accent);border-color:var(--accent)}.primary:hover{background:var(--forest)}.danger{color:var(--red)}input,textarea,select{display:block;width:100%;min-height:42px;padding:9px 11px;border:1px solid #acb9af;border-radius:5px;background:#fff;color:var(--ink);caret-color:var(--accent)}input[type=checkbox]{display:inline-block;width:18px;min-height:18px;vertical-align:middle;margin-right:8px}textarea{resize:vertical;min-height:110px}label{display:block;font-weight:600;font-size:13px;margin:14px 0 6px}label input,label textarea,label select{margin-top:5px;font-weight:400;font-size:15px}h1,h2,h3,p{margin-top:0}h1{font-size:29px;line-height:1.2;letter-spacing:-.025em}h2{font-size:22px;letter-spacing:-.02em}h3{font-size:16px}p{max-width:72ch}small,.muted{color:var(--muted)}.shell{display:grid;grid-template-columns:215px minmax(0,1fr);min-height:100vh}.rail{background:var(--forest);color:#edf5ee;padding:27px 19px;display:flex;flex-direction:column;gap:30px}.brand{font-size:27px;letter-spacing:-.03em;font-weight:750}.rail p,.rail small{color:#c4d8cc}.rail nav{display:grid;gap:8px}.rail button{border:0;background:transparent;color:#e3eee6;justify-content:flex-start;text-align:left}.rail button.active,.rail button:hover{background:#31584b;color:#fff}.rail .bottom{margin-top:auto}.work{min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;padding:19px 32px;border-bottom:1px solid var(--line);gap:15px;background:#fff}.crumb{font-size:14px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:9px;align-items:center}.content{padding:30px 34px}.pagehead{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:28px}.pagehead p{margin:8px 0 0;color:var(--muted)}.library{width:100%;border-collapse:collapse;background:white;text-align:left}.library th{background:#e8ece4;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.07em}.library td,.library th{padding:17px 20px;border-bottom:1px solid var(--line)}.library td:first-child{font-weight:600}.inline-form{display:flex;gap:10px;margin:24px 0}.inline-form input{max-width:470px}.empty{padding:50px 30px;background:#fff;border:1px dashed #aabbb0;text-align:center}.empty p{margin:0 auto 20px}.tabs{display:flex;gap:5px;border-bottom:1px solid var(--line);padding:0 30px;background:#fff;overflow-x:auto}.tabs button{border:0;border-radius:0;background:transparent;white-space:nowrap;padding:16px}.tabs button.active{box-shadow:inset 0 -3px var(--accent);color:var(--accent)}.editor{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:calc(100vh - 150px)}.outline{padding:23px 18px;border-right:1px solid var(--line);background:#e9eee5}.outline h3{margin-top:20px;color:#465c4f}.lesson{display:block;width:100%;text-align:left;justify-content:flex-start;margin-bottom:7px;background:transparent;border:1px solid transparent;font-weight:500}.lesson.active{background:#fff;border-color:#c2d0c4}.canvas{padding:27px 32px;max-width:1100px;width:100%;margin:auto}.block{background:#fff;border:1px solid var(--line);padding:17px 20px;margin:18px 0;border-radius:var(--radius)}.blockhead{display:flex;align-items:center;justify-content:space-between;gap:15px;color:var(--muted);font-size:13px}.blockhead button{padding:3px 9px;min-height:32px}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:16px}.flag{padding:5px 10px;background:#e5ede4;color:#325c46;border-radius:4px;font-size:12px;font-weight:600}.flag.hold{background:#f1e7cc;color:var(--gold)}.review-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:22px}.preview{width:100%;height:650px;border:1px solid var(--line);background:white;border-radius:6px}.thread{padding:16px 0;border-bottom:1px solid var(--line)}.thread p{white-space:pre-wrap;margin:8px 0}.thread small{display:block}.thread.resolved{opacity:.6}.notice-inline{background:#e9efe5;padding:14px 17px;margin:18px 0;border-radius:5px}.check{padding:15px 0;border-bottom:1px solid var(--line);display:flex;gap:15px;align-items:flex-start}.check strong{min-width:60px;color:var(--gold)}.check.ok strong{color:var(--accent)}.shot{display:grid;grid-template-columns:140px minmax(0,1fr);gap:20px;padding:23px 0;border-bottom:1px solid var(--line)}.shot img{width:140px;aspect-ratio:16/9;object-fit:contain;background:#dde4da}.shot .no-frame{width:140px;aspect-ratio:16/9;background:#dde4da;display:grid;place-items:center;color:var(--muted);font-size:12px}.login{width:min(480px,calc(100% - 40px));margin:12vh auto;background:#fff;padding:40px;border:1px solid var(--line);border-radius:12px}.login .brand{color:var(--forest);margin-bottom:28px}.login h1{font-size:25px}.login button{width:100%;margin-top:18px}#notice{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--forest);color:white;padding:12px 20px;border-radius:6px;box-shadow:0 8px 30px #152c3826;z-index:20;display:none}#notice.visible{display:block}.skip{position:absolute;top:-60px;left:10px;z-index:50;background:white;padding:12px}.skip:focus{top:10px}code{overflow-wrap:anywhere}details{margin:18px 0}summary{cursor:pointer;font-weight:600}.wide{width:100%}.source{font-family:ui-monospace,monospace;font-size:13px;min-height:330px}.revisionbar{display:flex;gap:20px;margin:0 0 22px;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px}.revisionbar span{color:var(--muted)}.revisionbar b{color:var(--accent)}@media(max-width:1100px){.shell{grid-template-columns:170px 1fr}.review-layout{grid-template-columns:1fr}.editor{grid-template-columns:190px 1fr}.canvas,.content{padding:22px}.preview{height:560px}}@media(max-width:720px){.shell{display:block}.rail{padding:12px 18px;gap:12px;display:block}.rail .brand{font-size:23px}.rail nav{display:flex;overflow:auto;margin-top:10px}.rail .bottom,.rail>p{display:none}.topbar{padding:14px 18px}.editor{display:block}.outline{border:0;border-bottom:1px solid var(--line)}.outline .lesson{display:inline-flex;width:auto}.pagehead,.twocol{display:block}.pagehead .actions{margin-top:15px}.content,.canvas{padding:20px 16px}.library td,.library th{padding:12px 9px}.library th:nth-child(2),.library td:nth-child(2){display:none}.shot{grid-template-columns:1fr}.shot img,.shot .no-frame{width:100%;max-width:280px}.preview{height:520px}.tabs{padding:0 8px}.revisionbar{gap:10px;flex-wrap:wrap}}@media(prefers-reduced-motion:no-preference){.canvas{animation:enter .25s cubic-bezier(.16,1,.3,1)}@keyframes enter{from{opacity:.8;transform:translateY(5px)}to{opacity:1;transform:none}}}
.canvas{align-self:start;margin-top:0}.actions #block-type{width:auto;min-width:200px}

.brand{display:inline-flex;align-items:flex-start;gap:3px}.brand img{width:160px;height:auto;display:block}.brand sup{font-size:11px;color:#183e36;margin-top:6px}.rail .brand{background:#f4f3ed;border-radius:5px;padding:7px}.login .brand img{width:230px}.manual-link{color:#e3eee6;text-decoration:none;padding:12px 15px;font-weight:600;font-size:14px}.manual-link:hover{background:#31584b;border-radius:6px}@media(min-width:721px) and (max-width:1100px){.rail .brand img{width:115px}}