[hidden]{display:none!important}
:root{color-scheme:light;--ink:#16323b;--muted:#60737c;--sea:#116e70;--sea2:#0d545c;--foam:#e8f5f2;--sand:#fff4df;--coral:#e76b4a;--good:#217b4c;--bad:#b94d44;--bg:#f5f7f4;--line:#dbe5e3;--white:#fff;--shadow:0 13px 35px rgba(12,54,61,.07)}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.55;min-height:100dvh;display:flex;flex-direction:column}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.wrap{width:min(1120px,calc(100% - 40px));margin-inline:auto}.skip{position:absolute;left:-10000px}.skip:focus{z-index:100;top:5px;left:5px;background:#fff;padding:12px}.top{background:#fff;border-bottom:1px solid var(--line)}.topin{min-height:77px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none}.brandmark{background:var(--sea2);color:#fff;display:grid;place-items:center;width:43px;height:43px;font-size:25px;border-radius:13px;font-weight:900;position:relative}.spark{position:absolute;right:-5px;top:-9px;color:#eaa14b;font-size:22px}.brand strong{display:block;letter-spacing:.095em;font-size:14px;line-height:1.2}.brand small{display:block;color:#6b8587;letter-spacing:.07em;font-size:10px;margin-top:3px}.privacy{color:#4d7465;font-size:12px;font-weight:750;white-space:nowrap}.footer{margin-top:auto;border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:12px}.footerin{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}#app{min-height:480px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.1rem,4.9vw,3.7rem);line-height:1.09;letter-spacing:-.055em;margin-bottom:19px;font-weight:850}h2{font-size:clamp(1.42rem,2.7vw,2.1rem);line-height:1.2;letter-spacing:-.035em}h3{font-size:1.13rem;line-height:1.25;letter-spacing:-.015em}.kicker{color:var(--sea);font-size:11px;font-weight:850;letter-spacing:.15em;text-transform:uppercase;display:inline-block;margin-bottom:13px}.lead{font-size:1.05rem;line-height:1.65;color:var(--muted);max-width:61ch}.btn{border:0;border-radius:13px;padding:12px 20px;min-height:46px;background:var(--sea2);color:#fff;font-weight:750;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;gap:8px;transition:transform .14s,box-shadow .14s}.btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 16px rgba(13,84,92,.17)}.btn:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #f09f41;outline-offset:3px}.btn.light{background:#fff;color:var(--sea2);border:1px solid #bbd7d4}.btn.ghost{color:var(--sea2);background:var(--foam)}.btn.warn{color:#a74e35;background:#fff1eb}.btn:disabled{cursor:not-allowed;background:#e3e9e6;color:#697d7c;box-shadow:none;transform:none}.pill{font-weight:750;color:var(--sea2);background:var(--foam);padding:7px 12px;border-radius:999px;white-space:nowrap;font-size:12px}.sectionhead{margin:42px 0 21px;display:flex;align-items:end;justify-content:space-between;gap:16px}.sectionhead p{color:var(--muted);margin-bottom:0;font-size:14px}.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--sea);font-weight:850}.hero{background:#fff;border:1px solid var(--line);border-radius:26px;margin-top:34px;display:grid;grid-template-columns:1.03fr .97fr;overflow:hidden;box-shadow:var(--shadow)}.heroCopy{padding:52px 48px 53px}.heroCopy p{color:var(--muted);max-width:48ch}.heroActions{display:flex;gap:10px;flex-wrap:wrap;margin-top:27px}.heroArt{min-height:380px;position:relative;overflow:hidden;background:linear-gradient(180deg,#d2ede8 0%,#e7f3df 58%,#a2cfc1 59%,#83b7aa 100%)}.heroArt:before{content:"";position:absolute;background:#f9c879;width:125px;height:125px;border-radius:50%;top:52px;right:65px;box-shadow:0 0 0 24px rgba(255,255,255,.14)}.hill{position:absolute;width:110%;height:290px;bottom:-166px;left:-10%;background:#6eaba0;border-radius:50% 50% 0 0;transform:rotate(-7deg)}.hill.second{bottom:-190px;left:35%;background:#286f68;transform:rotate(19deg)}.heroPostcard{position:absolute;width:270px;min-height:171px;background:#fff8e9;box-shadow:0 16px 35px rgba(12,54,61,.19);border:9px solid #fff;transform:rotate(-9deg);left:18%;top:26%;border-radius:4px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center}.heroPostcard .tiny{font-size:11px;font-weight:750;color:#758477;letter-spacing:.16em}.heroPostcard .large{font-size:46px;line-height:1}.heroPostcard b{font-family:Georgia,serif;font-size:27px;color:#1c6b6c}.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}.lesson{background:#fff;border:1px solid var(--line);border-radius:21px;padding:27px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:280px}.lesson.locked{background:#f6f8f6}.lessonTop{display:flex;align-items:center;justify-content:space-between;gap:15px}.stepCircle{width:48px;height:48px;border-radius:15px;background:var(--foam);display:grid;place-items:center;color:var(--sea2);font-size:24px;font-weight:850}.lesson.locked .stepCircle{background:#e9eeeb;color:#7c9291}.lesson h3{font-size:23px;margin:21px 0 10px}.lesson p{color:var(--muted);font-size:14px;max-width:42ch}.lesson .act{margin-top:auto;padding-top:12px;display:flex;align-items:center;gap:9px;flex-wrap:wrap}.rule{margin:28px 0 44px;padding:20px 24px;border:1px solid #cce3dc;border-radius:17px;background:#edf8f3;color:#32645c;font-size:14px}.rule b{color:#194f46}.breadcrumb{display:flex;align-items:center;gap:8px;padding:25px 0 20px;color:#647b7b;font-size:13px}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.gameTop{background:#fff;border:1px solid var(--line);border-radius:21px;padding:23px 26px;margin-bottom:17px;display:flex;align-items:center;justify-content:space-between;gap:22px}.gameTop h1{font-size:clamp(1.8rem,3vw,2.45rem);margin:7px 0 6px}.gameTop p{color:var(--muted);margin:0;font-size:14px}.bigStep{background:var(--foam);border-radius:15px;padding:13px;color:var(--sea);text-align:center;min-width:110px;line-height:1.2;font-weight:850;font-size:24px}.bigStep small{font-size:11px;text-transform:uppercase;display:block;letter-spacing:.06em}.layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:19px;align-items:start}.panel,.sidebar{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px}.panel{padding:30px;min-height:422px}.sidebar{padding:22px;position:sticky;top:16px}.sidebar h3{margin-bottom:13px}.sidebar p{font-size:13px;color:var(--muted)}.sidebar .smallstat{border-top:1px solid var(--line);padding:13px 0;display:flex;justify-content:space-between;gap:12px;font-size:13px}.smallstat b{color:var(--sea2);white-space:nowrap}.sidebar .btn{width:100%;margin-top:9px}.progress{height:9px;border-radius:50px;background:#e8f0ed;overflow:hidden;margin:16px 0 22px}.progress div{height:100%;background:#36a391;border-radius:50px;transition:width .25s}.countline{font-size:12px;font-weight:850;color:#607b7c;display:flex;justify-content:space-between;gap:12px;letter-spacing:.055em}.taskTitle{font-size:clamp(1.35rem,2.5vw,1.85rem);line-height:1.35;margin:0 0 7px}.taskHint{color:var(--muted);font-size:14px;margin-bottom:22px}.mediaCard{background:linear-gradient(145deg,#ebf8ee,#e5f6f6);border:1px solid #c9e6df;border-radius:18px;min-height:155px;display:flex;gap:12px;justify-content:center;align-items:center;margin:20px 0;padding:20px}.mediaCard .emoji{font-size:clamp(66px,11vw,102px);line-height:1}.mediaCard .caption{color:var(--sea2);font-weight:750;font-size:12px;letter-spacing:.08em;text-transform:uppercase;max-width:120px}.options{display:grid;grid-template-columns:1fr 1fr;gap:11px}.option{border:1.5px solid #d4e1df;color:var(--ink);background:#fff;border-radius:12px;min-height:66px;padding:12px 13px;display:flex;align-items:center;gap:12px;text-align:left;font-weight:700}.option:hover:not(:disabled),.option:focus-visible{border-color:var(--sea);background:#f3fbf9}.option .letter{flex:0 0 auto;border-radius:9px;width:27px;height:27px;display:grid;place-items:center;background:#edf4f1;color:var(--sea2);font-weight:850;font-size:12px}.option.correct{border-color:#59b682;background:#e7f6ec;color:#155f3a}.option.wrong{border-color:#e9a19b;background:#fff0ed;color:#a4423a}.option:disabled{cursor:default;opacity:1}.feedback{border-radius:12px;padding:15px 17px;margin-top:19px;background:#e5f5eb;color:#145d39;font-size:14px}.feedback.bad{background:#fff0ea;color:#9e4036}.feedback strong{display:block;font-size:15px}.feedback p{margin:4px 0 0}.actions{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:22px}.matchgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.matchcol{display:flex;flex-direction:column;gap:10px}.matchlabel{font-size:12px;font-weight:850;letter-spacing:.12em;color:var(--sea);padding:0 2px}.matchBtn{border:1.5px solid #d4e1df;background:#fff;min-height:65px;border-radius:12px;padding:12px;text-align:left;font-weight:700}.matchBtn.selected{background:#e3f2f0;border-color:#15918a;box-shadow:inset 0 0 0 1px #15918a}.matchBtn.matched{color:#2a7d59;background:#eaf6ee;border-color:#c3e2cd;cursor:default}.matchBtn.error{background:#ffedec;border-color:#e28b85}.matchStatus{font-size:13px;color:#56777a;min-height:24px;margin-top:13px}.sentencePreview{background:var(--sand);border:1px solid #f1e5c9;padding:20px;border-radius:15px;margin:18px 0;font-size:19px;font-weight:750;line-height:1.7}.chips{display:flex;gap:9px;flex-wrap:wrap}.chip{background:#e7f4f1;color:#135c5c;border:1px solid #bbd7d4;padding:9px 13px;min-height:44px;border-radius:11px;font-weight:700}.chip:disabled{opacity:.36;cursor:default}.chip:not(:disabled):hover{background:#d6eae4}.chipset{min-height:65px;border:1px dashed #95b4ad;border-radius:14px;padding:12px;display:flex;gap:7px;flex-wrap:wrap;align-items:center;background:#f9fcfb}.chipset .placeholder{color:#7b9994;font-size:13px}.finishCard{background:#fff;padding:48px 35px;border-radius:23px;border:1px solid var(--line);margin:28px auto 42px;max-width:740px;box-shadow:var(--shadow);text-align:center}.finishIcon{font-size:55px;line-height:1.1;margin-bottom:14px}.finishCard h1{font-size:clamp(1.9rem,4vw,3rem)}.finishCard p{color:var(--muted);margin-left:auto;margin-right:auto;max-width:53ch}.scoreRing{display:inline-flex;align-items:center;justify-content:center;border:8px solid #d4ede4;background:#edf8f2;width:124px;height:124px;border-radius:50%;color:#1e7356;font-weight:850;font-size:30px;margin:18px auto}.finishButtons{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:20px 0}.helpLine{font-size:12px;color:var(--muted)}.closed{background:#f4f6f4;color:#657876;padding:18px;border:1px solid var(--line);border-radius:13px;margin:18px 0}.steps{display:flex;gap:7px;margin-bottom:23px}.stepBar{height:8px;flex:1;border-radius:10px;background:#e7eeea}.stepBar.done{background:#60b3a5}.stepBar.now{background:#df9c57}.fieldlabel{display:block;font-weight:800;margin-bottom:8px}.fieldhelp{color:var(--muted);font-size:13px;margin:0 0 13px}.inputgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.choice{border:1.5px solid var(--line);border-radius:14px;padding:15px;background:#fff;text-align:left;min-height:61px;font-weight:700}.choice.selected{border-color:#1b8a7b;background:#e7f5f0;box-shadow:inset 0 0 0 1px #1b8a7b;color:#175a51}.choice:focus-visible{outline:3px solid #f09f41}.textArea{border-radius:13px;padding:13px;width:100%;border:1.5px solid #bed1cb;resize:vertical;min-height:104px;background:#fff}.notice{background:#fff4df;color:#7b5b23;padding:12px 15px;border-radius:12px;font-size:13px}.postcardLayout{display:grid;grid-template-columns:1fr 1fr;gap:19px}.postcardBox{background:#fff9ec;border:10px solid #fff;outline:1px solid #eddfc3;border-radius:5px;box-shadow:0 13px 32px rgba(43,65,59,.12);padding:28px;min-height:380px;font-family:Georgia,serif;white-space:pre-wrap;line-height:1.75;font-size:17px;overflow-wrap:anywhere}.postcardBox h2{font-family:system-ui;font-size:13px;letter-spacing:.15em;font-weight:850;color:#9d865b}.postcardBox .hand{font-style:italic}.postcardArt{background:#d8efe9;min-height:320px;border-radius:16px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;flex-direction:column}.postcardArt:before{content:"";position:absolute;width:130px;height:130px;top:35px;right:22px;border-radius:50%;background:#f6ce84}.postcardArt:after{content:"";position:absolute;width:120%;height:180px;bottom:-90px;left:-5%;border-radius:50%;background:#4e9d8e}.postcardArt .emoji{position:relative;z-index:1;font-size:100px;filter:drop-shadow(0 12px 10px #0002)}.postcardArt strong{z-index:1;position:relative;font-size:25px;font-family:Georgia,serif;color:#235b59}.postcardBox .blank{color:#a39984}.previewBox{background:#fcf6e9;border-radius:14px;padding:16px;margin-top:17px;font-family:Georgia,serif;line-height:1.7;white-space:pre-line;color:#7a6046;min-height:170px}.stepperButtons{margin-top:28px;display:flex;gap:10px;justify-content:space-between}.postcardIntro{color:var(--muted);font-size:14px;max-width:65ch;margin-top:7px}.completion{background:#eaf7f1;border:1px solid #bcdccf;color:#205c4f;border-radius:15px;padding:16px;margin-top:17px}.printOnly{display:none}
@media(max-width:820px){.hero{grid-template-columns:1fr}.heroArt{min-height:240px;order:-1}.heroCopy{padding:34px 31px}.heroPostcard{top:12%;left:29%;transform:rotate(-5deg)}.layout{grid-template-columns:1fr}.sidebar{position:static}.postcardLayout{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.lesson{min-height:0}.gameTop{padding:20px}.panel{padding:23px}.options{grid-template-columns:1fr}}
@media(max-width:520px){.wrap{width:min(100% - 28px,1120px)}.topin{min-height:70px}.privacy{font-size:10px}.brand small{font-size:9px}.brand strong{font-size:12px}.heroArt{min-height:205px}.heroPostcard{width:220px;min-height:140px;left:19%;top:12%}.heroPostcard b{font-size:23px}.heroPostcard .large{font-size:33px}.heroCopy{padding:29px 24px 32px}.panel{padding:18px}.gameTop{flex-direction:column;align-items:flex-start}.bigStep{font-size:18px}.matchgrid{gap:7px}.matchBtn{padding:10px 8px;min-height:65px;font-size:13px;overflow-wrap:anywhere}.inputgrid{grid-template-columns:1fr}.finishCard{padding:36px 19px}.postcardBox{padding:20px;font-size:16px}.lesson{padding:22px}.heroActions .btn{width:100%}.actions .btn{flex:1}.footer{padding:17px 0}}
@media print{body{background:#fff;color:#000}.top,.footer,.noPrint,.breadcrumb,.gameTop,.sidebar,.steps,.stepperButtons,.notice,.screenOnly{display:none!important}.wrap{width:100%;max-width:none}#app{min-height:0}.panel{padding:0;box-shadow:none;border:none}.postcardLayout{display:block}.postcardBox{outline:2px solid #000;border:0;box-shadow:none;min-height:400px;padding:30px;font-size:19px}.postcardArt{display:none}.printOnly{display:block;font-size:12pt;margin:20px 0}.finishCard{box-shadow:none;border:0}}

/* Self-contained QR panel for this independent, two-exercise site */
.qrPanel{display:grid;grid-template-columns:minmax(0,1fr) 210px;align-items:center;gap:26px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;margin:0 0 25px;box-shadow:var(--shadow)}
.qrPanel h2{font-size:clamp(1.3rem,2.5vw,1.65rem);margin:7px 0 12px}
.qrPanel p{color:var(--muted);font-size:14px;margin-bottom:12px;overflow-wrap:anywhere}
.qrVisual{background:#fff;border:1px solid var(--line);border-radius:15px;padding:9px;min-height:182px;display:grid;place-items:center}
.qrVisual svg{width:100%;height:auto;display:block;max-width:186px}
.qrPlaceholder{text-align:center;color:var(--muted);font-size:13px;padding:18px}
@media(max-width:640px){.qrPanel{grid-template-columns:1fr}.qrVisual{max-width:220px;justify-self:center;width:100%}}
@media print{.qrPanel{display:none!important}}