/* Teaching courses (server/teach.js, public/site/teach.js) and the extra visuals in lesson-pack.js. Comic look, like comic.css. */
.tc-how{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.tc-step{padding:18px;border:3px solid #1b1340;border-radius:20px;background:#fff;box-shadow:5px 5px 0 #1b1340}
.tc-step span{display:grid;place-items:center;width:40px;height:40px;border:3px solid #1b1340;border-radius:50%;background:#ffd23f;font:400 24px/1 var(--cm-display,Impact,sans-serif)}
.tc-step h3{margin:10px 0 4px;font:700 19px var(--cm-ui,system-ui)}.tc-step p{margin:0;font-size:15px}

/* parts */
.tc-part-in{padding:24px 26px;border:3px solid #1b1340;border-radius:26px;background:#fff;box-shadow:7px 7px 0 #1b1340}
.tc-part h2{margin:6px 0 12px;font:400 clamp(30px,3.6vw,44px)/1.05 var(--cm-display,Impact,sans-serif);letter-spacing:.02em;color:#1b1340;text-shadow:3px 3px 0 #ffd23f}
.tc-theory{max-width:72ch}.tc-theory p{margin:0 0 12px;font:400 18px/1.65 var(--cm-ui,system-ui)}
.tc-example,.tc-worked,.tc-visual{margin-top:18px}
.tc-note{margin:10px 0 0;padding:10px 14px;border-left:5px solid #ffd23f;background:#fff8dc;border-radius:0 12px 12px 0;font:500 16px/1.5 var(--cm-ui,system-ui)}
.tc-try{margin:18px 0 0;padding:12px 16px;border:3px dashed #1b1340;border-radius:16px;background:#e3f8ef;font:500 17px/1.5 var(--cm-ui,system-ui)}
.tc-worked{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.tc-worked .w-trick{margin:0;padding:16px 18px;border:3px solid #1b1340;border-radius:18px;background:#f7f4ff;box-shadow:4px 4px 0 #1b1340}
.tc-worked .w-trick h3{margin:0 0 6px;font:400 22px var(--cm-display,Impact,sans-serif);letter-spacing:.04em;color:#6c4de6}
.tc-worked .w-trick ol{margin:8px 0;padding-left:20px}.tc-worked .w-trick li{margin:5px 0;font-size:16.5px}
.tc-worked .w-result{display:inline-block;margin:6px 0 0;padding:6px 12px;border:2px solid #1b1340;border-radius:10px;background:#ffd23f;font-weight:700}
.tc-visual h3{margin:0 0 4px;font:700 22px var(--cm-ui,system-ui)}.tc-visual>p{margin:0 0 12px}

/* the Python box */
.tc-code{margin:0;border-radius:18px}
.tc-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:9px 12px;border:3px solid #1b1340;border-bottom:0;border-radius:16px 16px 0 0}
.tc-bar b{font:400 21px/1 var(--cm-display,Impact,sans-serif);letter-spacing:.04em;color:#fff;-webkit-text-stroke:1.2px #1b1340;paint-order:stroke fill;text-shadow:2px 2px 0 #1b1340}
.tc-bar span{display:flex;flex-wrap:wrap;gap:6px}
.tc-bar .btn{padding:8px 12px;font-size:14px;border:2.5px solid #1b1340;box-shadow:0 3px 0 #1b1340}
.tc-bar .btn:not(.btn-primary){background:#fff;color:#1b1340}
.tc-code .wc-editor{height:calc(var(--rows,8) * 22px + 26px);min-height:120px;max-height:400px;border:3px solid #1b1340;border-radius:0;box-shadow:none}
.tc-in{display:grid;gap:4px;padding:10px 12px;border:3px solid #1b1340;border-top:0;background:#fff8dc;font:600 14px var(--cm-ui,system-ui)}
.tc-in textarea{width:100%;padding:8px 10px;border:2px solid #1b1340;border-radius:10px;font:500 15px/1.4 ui-monospace,Consolas,monospace;resize:vertical}
.tc-run{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);border:3px solid #1b1340;border-top:0;border-radius:0 0 16px 16px;background:#0f1230;overflow:hidden;box-shadow:6px 6px 0 #1b1340}
.tc-run>div{padding:10px 14px;min-width:0}.tc-run>div+div{border-left:3px solid #1b1340;background:#16193d}
.tc-h{margin:0 0 6px;color:#ffd23f;font:700 11px/1 var(--cm-ui,system-ui);letter-spacing:.12em;text-transform:uppercase}
.tc-out{margin:0;min-height:2.8em;max-height:260px;overflow:auto;color:#7dffb3;font:600 14.5px/1.55 ui-monospace,Consolas,monospace;white-space:pre-wrap}
.tc-out.err{color:#ff9db2}
.tc-out.flash{animation:tc-flash .5s ease-out}@keyframes tc-flash{from{background:rgba(255,210,63,.25)}}
.tc-mem{display:flex;flex-wrap:wrap;gap:8px}
.tc-box{display:grid;min-width:72px;max-width:100%;padding:6px 9px;border:2px solid #ffd23f;border-radius:10px;background:#221d4d;color:#fff}
.tc-box b{font:700 12px var(--cm-ui,system-ui);color:#ffd23f}.tc-box code{font:600 14px ui-monospace,Consolas,monospace;color:#fff;overflow-wrap:anywhere}.tc-box small{font:500 11px var(--cm-ui,system-ui);color:#a9a4d6}
.tc-empty{color:#8a82b8;font:500 13px var(--cm-ui,system-ui)}
.tc-goals{margin-top:12px}.tc-goals:empty{display:none}
.tc-win{margin:10px 0 0;padding:12px 16px;border:3px solid #1b1340;border-radius:14px;background:#38d9a9;font:700 17px var(--cm-ui,system-ui);animation:lp-pop .6s cubic-bezier(.34,1.56,.64,1)}
.tc-code>.lp-reveal{margin-top:12px}
.tc-solution .wc-block{margin:0 14px 14px}

/* activity: type the answer */
.tc-answers{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.tc-ans{padding:14px 16px;border:3px solid #1b1340;border-radius:18px;background:#fff;box-shadow:4px 4px 0 #1b1340;transition:background-color .25s}
.tc-ans label{display:flex;gap:10px;font:600 16.5px/1.4 var(--cm-ui,system-ui)}
.tc-ans-row{display:flex;gap:8px;margin-top:10px}
.tc-ans-row input{flex:1;min-width:0;padding:9px 12px;border:2.5px solid #1b1340;border-radius:12px;font:700 18px var(--cm-ui,system-ui)}
.tc-ans-msg{min-height:1.3em;margin:6px 0 0;font:600 15px var(--cm-ui,system-ui)}
.tc-ans.ok{background:#c9f7e6}.tc-ans.no{background:#fff3f5}
.tc-answers .tc-solution{grid-column:1/-1}

/* project starter and template */
.tc-starter,.tc-template{margin-top:20px;padding:18px;border:3px dashed #1b1340;border-radius:20px;background:#fff}
.tc-starter h3,.tc-template h3{margin:0 0 4px;font:700 20px var(--cm-ui,system-ui)}
.tc-template pre{margin:10px 0 0;padding:14px;border:2px solid #1b1340;border-radius:12px;background:#fffdf4;font:500 15px/1.9 ui-monospace,Consolas,monospace;white-space:pre-wrap}

/* homework */
.tc-hw{display:grid;gap:22px}.tc-hw-q{margin:0 0 8px;font:500 17px/1.5 var(--cm-ui,system-ui)}
.lp-qcode{margin:0 0 12px;padding:10px 14px;border-radius:12px;background:#1b1633;color:#f3f0ff;font:500 14.5px/1.55 ui-monospace,Consolas,monospace;white-space:pre;overflow:auto;clear:both}

/* course page */
.tc-units{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.tc-unit{padding:16px;border:3px solid #1b1340;border-radius:20px;background:#fff;box-shadow:5px 5px 0 #1b1340}
.tc-unit h3{margin:0 0 10px;font:700 18px var(--cm-ui,system-ui)}
.tc-unit ol{display:grid;gap:6px;margin:0;padding:0;list-style:none}
.tc-unit li>a,.tc-unit li.soon{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:8px;padding:7px 9px;border:2px solid #1b1340;border-radius:12px;color:#1b1340;text-decoration:none;font-size:15px}
.tc-unit li.ready>a{background:#e3f8ef}.tc-unit li.ready>a:hover{background:#ffd23f}
.tc-unit li.soon{border-style:dashed;color:#6a6585;background:#faf8ff}
.tc-n{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#1b1340;color:#fff;font:700 12px var(--cm-ui,system-ui)}
.tc-unit em{font:700 11px var(--cm-ui,system-ui);font-style:normal;letter-spacing:.05em;text-transform:uppercase}
.tc-sched{padding:18px;border:3px solid #1b1340;border-radius:22px;background:#fff;box-shadow:6px 6px 0 #1b1340}
.tc-sched-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px;margin-bottom:14px}
.tc-f{display:grid;gap:4px;font:700 13px var(--cm-ui,system-ui)}
.tc-f input[type=date],.tc-f input[type=time]{padding:8px 10px;border:2.5px solid #1b1340;border-radius:10px;font:600 15px var(--cm-ui,system-ui)}
.tc-days{display:flex;flex-wrap:wrap;gap:6px}.tc-days label{padding:6px 9px;border:2px solid #1b1340;border-radius:10px;font:600 14px var(--cm-ui,system-ui);cursor:pointer}
.tc-days label:has(input:checked){background:#ffd23f}
.tc-sched-tbl{width:100%;border-collapse:collapse}.tc-sched-tbl th,.tc-sched-tbl td{padding:8px 10px;border-bottom:2px solid #ece8ff;text-align:left;font-size:15px}
.tc-sched-tbl tr.soon td{color:#6a6585}.tc-when{font:700 12px var(--cm-ui,system-ui);text-transform:uppercase;color:#1f9d6b}
.tc-pager{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
.tc-pager a{padding:12px 16px;border:3px solid #1b1340;border-radius:16px;background:#fff;color:#1b1340;font:700 16px var(--cm-ui,system-ui);text-decoration:none;box-shadow:4px 4px 0 #1b1340}
.tc-pager a:hover{background:#ffd23f}

/* ---------- visuals ---------- */
.vz-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.vz-tab{padding:8px 12px;border:2.5px solid #1b1340;border-radius:12px;background:#fff;font:700 14px var(--cm-ui,system-ui);cursor:pointer}
.vz-tab[aria-pressed=true]{background:#ffd23f;box-shadow:0 3px 0 #1b1340}.vz-tab.done::after{content:" ✓";color:#1f9d6b}
.vz-step{display:inline-flex;align-items:center;gap:6px;margin:0 12px 10px 0}
.vz-l{font:700 13px var(--cm-ui,system-ui);margin-right:4px}.vz-v{min-width:28px;text-align:center;font:700 22px/1 ui-monospace,Consolas,monospace}
.vz-info{margin:12px 0 0;padding:10px 14px;border:2px solid #1b1340;border-radius:12px;background:#f7f4ff;font:600 16px/1.45 var(--cm-ui,system-ui)}
.vz-info.win{background:#c9f7e6}
.dp-grid{display:grid;gap:6px;justify-items:start;padding:14px;border:2px dashed #c9c2ee;border-radius:14px;min-height:60px;overflow-x:auto}
.dp-row{display:flex;gap:6px}.dp-row i{width:18px;height:18px;border-radius:50%;background:#6c4de6;border:2px solid #1b1340}.dp-row i.new{background:#ffd23f}
.dv-digits{display:flex;flex-wrap:wrap}.dv-big{margin:4px 0 10px;font:400 44px/1 var(--cm-display,Impact,sans-serif);letter-spacing:.06em;color:#1b1340}
.dv-table{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:6px}
.dv-row{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:8px;align-items:center;padding:6px 10px;border:2px solid #1b1340;border-radius:10px;font-size:14.5px}
.dv-row.yes{background:#c9f7e6}.dv-row.no{background:#fff}.dv-row b{font:700 15px var(--cm-ui,system-ui)}.dv-row em{font-style:normal;font-weight:700}
.ct-ctl{display:flex;flex-wrap:wrap}
.ct-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ct-o{display:grid;gap:2px;padding:5px;border:2px solid #1b1340;border-radius:10px;background:#fff;animation:lp-pop .4s ease-out}
.ct-p{display:block;width:26px;height:10px;border:1.5px solid #1b1340;border-radius:4px}.ct-p0{height:14px}.ct-p2{width:18px;height:8px}
.ct-many{font:700 16px var(--cm-ui,system-ui)}
.kn-board{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.kn-card{padding:12px;border:3px solid #1b1340;border-radius:16px;background:#fff}
.kn-card.knight{background:#eef9ff}.kn-card.knave{background:#fff1f4}
.kn-who{width:100%;padding:9px;border:2.5px solid #1b1340;border-radius:12px;background:#ffd23f;font:700 16px var(--cm-ui,system-ui);cursor:pointer;box-shadow:0 3px 0 #1b1340}
.kn-card.knave .kn-who{background:#ff8fab}
.kn-say{display:block;margin:10px 0 6px;font:600 16px/1.4 var(--cm-ui,system-ui);quotes:"“" "”"}
.kn-check{margin:0;font-size:14px}.kn-check.ok{color:#137a52}.kn-check.bad{color:#c22652;font-weight:700}
.tc-puzzles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:0 0 12px}
.tc-puzzles h4{margin:0 0 4px;font:700 15px var(--cm-ui,system-ui)}.tc-puzzles ul{margin:0;padding-left:18px;font-size:15px}

body.lp-teaching main>.lp-on .tc-part-in{box-shadow:none}
@media(max-width:900px){.tc-how{grid-template-columns:repeat(2,minmax(0,1fr))}.tc-run{grid-template-columns:minmax(0,1fr)}.tc-run>div+div{border-left:0;border-top:3px solid #1b1340}}
@media(max-width:560px){.tc-how{grid-template-columns:minmax(0,1fr)}.tc-part-in{padding:18px 16px}.tc-worked{grid-template-columns:minmax(0,1fr)}.tc-answers{grid-template-columns:minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){.tc-out.flash,.ct-o,.tc-win{animation:none}}

/* ---------- learn → see → practise loops ---------- */
.tc-practice{margin-top:22px;padding:18px;border:3px dashed #1b1340;border-radius:22px;background:#fffdf4}
.tc-practice-h h3{margin:0;font:400 28px/1.1 var(--cm-display,Impact,sans-serif);letter-spacing:.03em;color:#1b1340;text-shadow:2px 2px 0 #ffd23f}
.tc-practice-h p{margin:4px 0 14px;font:500 15px var(--cm-ui,system-ui)}
.tc-tasks{display:grid;gap:20px}
.tc-task{padding-top:4px}
.tc-lv{display:inline-block;margin:0 6px 6px 0;padding:3px 9px;border:2px solid #1b1340;border-radius:999px;font:800 11px/1.2 var(--cm-ui,system-ui);letter-spacing:.05em;text-transform:uppercase;vertical-align:middle}
.tc-lv.l1{background:#c9f7e6}.tc-lv.l2{background:#d6ecff}.tc-lv.l3{background:#ffd0dc}
.tc-ans .tc-lv{margin-bottom:8px}
.tc-say{white-space:normal;font:500 17px/1.6 var(--cm-ui,system-ui)}
.tc-steps{display:grid;gap:8px;margin:0 0 16px;padding:0;list-style:none;counter-reset:st}
.tc-steps li{counter-increment:st;display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;align-items:start;padding:10px 12px;border:2.5px solid #1b1340;border-radius:14px;background:#fff;font:500 16px/1.45 var(--cm-ui,system-ui)}
.tc-steps li::before{content:"Step " counter(st);grid-column:1/-1;font:800 11px var(--cm-ui,system-ui);letter-spacing:.08em;text-transform:uppercase;color:#6c4de6}
.tc-activity{scroll-margin-top:90px}

/* ---------- the printable practice sheet ---------- */
body.print-sheet{background:#eceaf3}
.ps-page{max-width:820px;margin:24px auto;padding:34px 40px;background:#fff;color:#111;box-shadow:0 10px 40px -20px #000;font:400 15px/1.5 "Fredoka",system-ui,sans-serif}
.ps-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:3px solid #111}
.ps-head h1{margin:2px 0 0;font:700 24px/1.2 "Fredoka",system-ui,sans-serif}.ps-course{margin:0;font-weight:700;color:#555}
.ps-fill{display:grid;gap:6px;font-weight:600}
.ps-actions{display:flex;gap:10px;margin:14px 0}
.ps-sec{margin-top:22px;break-inside:auto}.ps-sec h2{margin:0 0 6px;padding:5px 10px;background:#111;color:#fff;font:700 16px "Fredoka",system-ui,sans-serif;border-radius:6px}
.ps-note{margin:0 0 8px;padding:8px 10px;border:1.5px solid #999;border-radius:8px;background:#fafafa;font-size:14px}
.ps-list,.ps-keylist{margin:0;padding:0;list-style:none}
.ps-q{margin:10px 0;break-inside:avoid}.ps-q p{margin:0 0 4px;white-space:normal}
.ps-steps{margin:4px 0 8px 18px;padding:0;font-size:14px}
.ps-code,.ps-template{margin:6px 0;padding:8px 10px;border:1.5px solid #999;border-radius:6px;background:#f7f7f7;font:500 13px/1.45 ui-monospace,Consolas,monospace;white-space:pre-wrap}
.ps-lines{display:block;height:calc(var(--n,3) * 26px);background:repeating-linear-gradient(transparent 0 25px,#c9c9d6 25px 26px)}
.ps-key{break-before:page;page-break-before:always}.ps-keylist li{margin:4px 0;padding-left:4px}.ps-keylist li::marker{font-weight:700}
.ps-keylist{list-style:decimal;padding-left:28px}
.print-sheet .tc-lv{font-size:9px;padding:1px 6px}
@media print{
  body.print-sheet{background:#fff}
  body.print-sheet .w-top,body.print-sheet footer,body.print-sheet .ps-actions,body.print-sheet .wa-fab,body.print-sheet aside.pb,body.print-sheet .to-top,body.print-sheet .w-progress,body.print-sheet .w-mcta{display:none!important}
  .ps-page{margin:0;padding:0;box-shadow:none;max-width:none}
}
@media(max-width:560px){.ps-page{padding:20px 16px;margin:0}}