/* Scoped to the new shell; existing learning layouts keep their measurements. */
:root{--kv-blue:#185dcc;--kv-ink:#173456;--kv-paper:#fffaf0;--kv-pink:#df537d}
body[data-kv-theme="book"]{background:#faf5eb}
body[data-kv-theme="map"]{background:#f0f8f7}
.kv-header.kv-header{display:flex!important;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 24px!important;background:rgba(255,255,255,.95);min-height:78px;height:auto;position:relative;z-index:30;border-bottom:1px solid #dce5ee}
.kv-logo{text-decoration:none;flex-shrink:0;line-height:1}
.kv-wordmark{font-size:clamp(27px,3vw,38px);font-weight:950;letter-spacing:-1.7px;color:#175ccc;font-family:inherit;white-space:nowrap}.kv-wordmark>span{color:#db4e7a}.kv-wordmark i{color:#efb63f;font-size:22px;vertical-align:top;margin-left:4px;font-style:normal}
.kv-theme{display:flex;padding:4px;border:1px solid #dfe5ed;background:#f2f5fa;border-radius:50px;gap:2px}.kv-theme button{border:0;border-radius:50px;background:transparent;box-shadow:none;color:#4e6079;display:flex;align-items:center;gap:7px;padding:10px 15px;min-height:44px;font:inherit;font-size:14px;font-weight:800;cursor:pointer;white-space:nowrap}.kv-theme button[aria-pressed="true"]{background:#195fd2;color:white;box-shadow:0 3px 8px #185dcc25}.kv-theme .icon{width:20px;height:20px}
.kv-topnav{display:flex;gap:14px;align-items:center}.kv-topnav>a,.kv-topnav>button{font:inherit;font-size:14px;font-weight:750;text-decoration:none;color:#304862;background:none;border:0;box-shadow:none;padding:8px 4px;min-height:44px;display:flex;align-items:center;gap:6px;cursor:pointer}.kv-topnav .icon{width:21px;height:21px}.kv-topnav .kv-sound{width:44px;justify-content:center;border-radius:50%;background:#f0f4fb}
.kv-return{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:0 0 14px}.kv-return a{display:inline-flex;align-items:center;gap:6px;color:#245da0;text-decoration:none;padding:7px 12px;border:1px solid #d6e2ef;background:#fff;border-radius:12px;min-height:40px;font-size:14px;font-weight:700}.kv-return .icon{width:18px;height:18px}
body.kv-world .hub-sidebar{display:none!important}body.kv-world .app-shell{margin:0!important;padding:0!important;width:100%!important}body.kv-world .hub-main{width:100%!important;max-width:1440px!important;padding:24px 32px 24px!important;height:auto!important;min-height:0!important;overflow:visible!important}body.kv-world .hub-brand-banner{display:none!important}body.kv-world .footer{border:0;padding:20px 0 0;margin:24px 0 0;font-size:12px;color:#6d7988}body.kv-world .hub-topbar{padding-left:max(24px,calc((100vw - 1376px)/2))!important;padding-right:max(24px,calc((100vw - 1376px)/2))!important}
.kv-home,.kv-section{color:var(--kv-ink);width:100%;min-width:0}.kv-home *,.kv-section *{box-sizing:border-box}.kv-home .icon,.kv-section .icon{width:22px;height:22px;flex-shrink:0}.kv-intro{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:4px 0 24px}.kv-eyebrow{font-size:11px!important;font-weight:850;letter-spacing:2.1px;color:#8b7257;margin:0 0 7px!important}.kv-intro h1,.kv-section h1{font-size:clamp(25px,3vw,39px)!important;line-height:1.18!important;margin:0!important;color:#173c70;letter-spacing:-.8px!important}.kv-intro>p{max-width:310px;color:#627287;font-size:15px;line-height:1.55;margin:0}
.kv-book-wrap{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 140px;align-items:center;padding-bottom:14px;gap:0}.kv-book{position:relative;display:grid;grid-template-columns:1fr 1fr;padding:15px;background:linear-gradient(90deg,#fffdf6 0%,#fffaf0 47%,#d6c5a6 49.8%,#f4e9d1 50.2%,#fffaf0 53%,#fffdf6 100%);border:1px solid #e3d3b4;border-radius:12px 26px 26px 12px;box-shadow:0 4px 0 #f2e5cd,0 7px 0 #dac6a3,0 10px 0 #f0dfbf,0 14px 0 #a47f56,0 22px 35px #6244241c;isolation:isolate;gap:14px;z-index:2}.kv-book:after{content:'';position:absolute;inset:0 49.6%;background:linear-gradient(90deg,#8b715800,#8b71582b,#fff8e99c);pointer-events:none;z-index:3}.kv-chapter{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:#fffaf0;border-radius:5px 15px 15px 5px;overflow:hidden;min-width:0;transition:transform .2s}.kv-chapter:nth-child(2){border-radius:15px 5px 5px 15px}.kv-page-art{position:relative;width:100%;aspect-ratio:1.2;overflow:hidden;background:#f1f3e9}.kv-page-art>img{height:100%;width:100%;object-fit:cover}.kv-chapter-family .kv-page-art>img,.kv-chapter-school .kv-page-art>img{width:200%;max-width:none;object-fit:contain;position:absolute;inset:0}.kv-chapter-school .kv-page-art>img{left:-100%}.kv-chapter-number{position:absolute;left:16px;top:16px;background:#fff8e9df;border-radius:50%;width:34px;height:34px;display:grid;place-items:center;font-size:13px;font-weight:800;color:#796848}.kv-chapter-copy{padding:18px 20px 14px;position:relative}.kv-chapter-copy small{font-size:13px;color:#60717d}.kv-chapter-copy h2{font-size:clamp(21px,2vw,29px)!important;line-height:1.25;margin:7px 0 12px;color:var(--chapter)}.kv-chapter-copy>span{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:800}.kv-chapter:hover .kv-chapter-copy>span{gap:17px}.kv-book-tabs{display:flex;flex-direction:column;gap:7px;margin-left:-3px;z-index:1;padding:8px 0}.kv-book-tabs>a{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--chapter);background:#fff;border:1px solid #dfd8ca;border-left:5px solid var(--chapter);border-radius:0 14px 14px 0;padding:12px 10px 12px 14px;min-height:52px;font-size:13px;font-weight:850;box-shadow:0 3px 5px #483f2710}.kv-book-tabs .icon{width:20px;height:20px}.kv-book-tabs>a:hover{transform:translateX(3px);background:#fffdf7}.kv-page-controls{display:flex;align-items:center;justify-content:center;gap:22px;margin:14px 140px 18px 0}.kv-page-controls button{display:grid;place-items:center;width:44px;height:44px;border:1px solid #d7e0ec;border-radius:50%;background:white;color:var(--kv-blue);cursor:pointer;box-shadow:0 3px 9px #183d5a0c}.kv-page-controls button:disabled{opacity:.35;cursor:default}.kv-page-controls p{margin:0;min-width:210px;text-align:center;font-size:14px;font-weight:750}.kv-page-controls small{display:block;font-size:11px;color:#718093;font-weight:500;margin-top:4px}
.kv-map{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px 45px;padding:24px 34px 32px;background:radial-gradient(ellipse at center,#eff9ef,#fcfff9);border:1px solid #d4e5dc;border-radius:32px;overflow:hidden}.kv-map-path{position:absolute;width:100%;height:100%;inset:0;pointer-events:none}.kv-map-path path{fill:none;stroke:#c2deed;stroke-width:15;stroke-linecap:round;stroke-dasharray:2 24}.kv-island{position:relative;text-align:center;color:var(--kv-ink);text-decoration:none;border-radius:25px;background:#ffffffed;padding:12px 12px 16px;border:1px solid #e5ebe3;box-shadow:0 7px 0 #d8e7dd80;transition:transform .2s;min-width:0}.kv-island:hover{transform:translateY(-4px)}.kv-island-art{position:relative;height:150px;overflow:hidden;border-radius:18px;background:#f3f7ee}.kv-island-art>img{width:100%;height:100%;object-fit:cover}.kv-island-art>span{position:absolute;bottom:8px;left:10px;display:grid;place-items:center;width:34px;height:34px;background:white;color:var(--chapter);border-radius:50%}.kv-island h2{font-size:22px!important;color:var(--chapter);margin:13px 0 5px}.kv-island p{font-size:13px;color:#63748b;margin:0}.kv-island-go{display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;font-weight:750;margin-top:12px}.kv-island-go .icon{width:16px;height:16px}
.kv-today{display:flex;align-items:center;gap:20px;border:1px solid #dae4f1;border-radius:22px;background:#fff;padding:13px 18px;margin-top:23px;flex-wrap:wrap;box-shadow:0 5px 18px #24446a05}.kv-today>img{width:112px;height:76px;object-fit:cover;border-radius:13px}.kv-today>div{flex:1;min-width:190px}.kv-today small{font-size:10px;letter-spacing:1.5px;color:#886b44;font-weight:800}.kv-today h2{font-size:19px!important;margin:5px 0}.kv-today p{font-size:13px;color:#68788c;margin:4px 0}.kv-primary{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:49px;padding:12px 23px;border-radius:16px;background:var(--kv-blue);color:white!important;text-decoration:none;font-size:16px;font-weight:800;box-shadow:0 4px 0 #124b9d}.kv-resume{border:0;background:#eef3ff;color:#235cb2;padding:12px;border-radius:12px;min-height:44px;cursor:pointer;font:inherit;font-size:13px}.kv-quick{display:flex;justify-content:center;gap:12px 30px;flex-wrap:wrap;margin:24px 0 0}.kv-quick a{display:flex;align-items:center;gap:8px;min-height:44px;color:#586c81;text-decoration:none;font-size:13px;font-weight:650}.kv-quick .icon{width:18px;height:18px}
.kv-back{display:inline-flex;align-items:center;gap:8px;min-height:44px;text-decoration:none;color:#50637c;font-size:14px;font-weight:700}.kv-section-hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:30px;background:#fff;border-radius:26px;padding:24px 28px;margin:8px 0 18px;border:1px solid #e4e7e8}.kv-section-hero p:not(.kv-eyebrow){line-height:1.6;color:#65778c;font-size:16px}.kv-section-art{height:190px;overflow:hidden;border-radius:18px}.kv-section-art>img{width:100%;height:100%;object-fit:cover}.kv-section-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 24px}.kv-section-tabs a{text-decoration:none;color:#536a83;background:#fff;border:1px solid #dce4eb;padding:11px 16px;min-height:44px;border-radius:14px;font-size:14px;font-weight:750}.kv-section-tabs a[aria-current]{background:var(--chapter);color:white;border-color:transparent}.kv-activities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.kv-activity{display:flex;flex-direction:column;overflow:hidden;background:white;border:1px solid #dfe6ee;border-radius:22px;text-decoration:none;color:var(--kv-ink);transition:transform .2s}.kv-activity:hover{transform:translateY(-3px)}.kv-activity>img{width:100%;aspect-ratio:1.65;object-fit:cover;background:#f1f7fc}.kv-activity>div{padding:19px;display:flex;flex-direction:column;flex:1}.kv-activity h2{font-size:21px!important;margin:0 0 7px}.kv-activity p{font-size:14px;line-height:1.5;color:#63758b;margin:0 0 18px}.kv-activity span{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800;margin-top:auto;color:var(--chapter)}
.kv-header :focus-visible,.kv-home :focus-visible,.kv-section :focus-visible,.kv-return :focus-visible{outline:3px solid #175dcc;outline-offset:4px}
@media(min-width:1550px){.kv-page-art{aspect-ratio:1.4}}
@media(max-width:1050px){.kv-header.kv-header{gap:10px;padding:12px 18px!important}.kv-topnav{gap:10px}.kv-topnav>a{font-size:13px}.kv-theme button{padding:9px 11px;font-size:13px}body.kv-world .hub-main{padding:20px!important}.kv-book-wrap{grid-template-columns:minmax(0,1fr) 112px}.kv-book-tabs>a{font-size:12px;padding:9px;gap:5px}.kv-book-tabs .icon{width:17px;height:17px}.kv-page-controls{margin-right:112px}.kv-chapter-copy{padding:16px 13px}.kv-page-art{aspect-ratio:1}.kv-map{gap:24px;padding:20px}.kv-island-art{height:130px}.kv-island h2{font-size:19px!important}.kv-activities{grid-template-columns:repeat(2,minmax(0,1fr))}.kv-intro>p{max-width:245px;font-size:14px}}
@media(max-width:760px){.kv-header.kv-header{gap:10px;padding:12px 16px!important}.kv-wordmark{font-size:29px}.kv-header .kv-theme{margin-left:auto}.kv-topnav{width:100%;justify-content:space-between;border-top:1px solid #edf0f5;padding-top:4px}.kv-topnav>a,.kv-topnav>button{font-size:13px;min-height:38px}.kv-topnav .kv-sound{width:38px}.kv-theme button{font-size:12px;padding:8px 10px;gap:4px}.kv-theme .icon{width:17px;height:17px}body.kv-world .hub-main{padding:18px 16px 24px!important}.kv-intro{display:block;margin-bottom:18px}.kv-intro h1{font-size:27px!important;max-width:340px}.kv-intro>p{max-width:none;margin-top:8px;font-size:13px}.kv-eyebrow{font-size:10px!important}.kv-book-wrap{display:flex;flex-direction:column-reverse;padding-bottom:14px;gap:14px}.kv-book-tabs{display:grid;grid-template-columns:repeat(3,1fr);width:100%;gap:7px;padding:0;margin:0}.kv-book-tabs>a{border-radius:12px;border-left:3px solid var(--chapter);justify-content:center;font-size:12px;padding:8px 4px;min-height:44px;gap:5px}.kv-book{width:100%;padding:10px;gap:10px;border-radius:14px;box-shadow:0 4px 0 #e5d3b3,0 8px 0 #af8b60,0 14px 25px #634b231c}.kv-page-art{aspect-ratio:.82}.kv-chapter-copy{padding:13px 9px 11px}.kv-chapter-copy h2{font-size:20px!important}.kv-chapter-copy small{font-size:11px}.kv-chapter-copy>span{font-size:12px;gap:5px}.kv-chapter-number{width:27px;height:27px;left:8px;top:8px;font-size:11px}.kv-page-controls{margin:8px 0 12px;gap:14px}.kv-page-controls p{min-width:180px;font-size:13px}.kv-map{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:15px;border-radius:23px}.kv-island{padding:8px 8px 12px;border-radius:18px}.kv-island-art{height:110px;border-radius:13px}.kv-island h2{font-size:17px!important;line-height:1.25;margin:12px 0 6px}.kv-island p{font-size:11px;line-height:1.4}.kv-island-go{font-size:11px;margin-top:8px}.kv-today{padding:13px;gap:12px;margin-top:18px}.kv-today>img{width:78px;height:74px}.kv-today>div{min-width:150px}.kv-today h2{font-size:17px!important;line-height:1.3}.kv-today small{font-size:9px;letter-spacing:1px}.kv-today p{font-size:11px}.kv-today>.kv-primary{width:100%;min-height:46px;font-size:15px}.kv-quick{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}.kv-quick a{font-size:12px;justify-content:center;background:#ffffffa8;border-radius:12px;padding:6px}.kv-section-hero{grid-template-columns:1fr;padding:20px;gap:12px}.kv-section-hero h1{font-size:30px!important}.kv-section-hero p:not(.kv-eyebrow){font-size:14px;margin-bottom:0}.kv-section-art{height:160px}.kv-section-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.kv-section-tabs a{text-align:center;padding:10px 5px;font-size:12px}.kv-activities{gap:12px}.kv-activity>div{padding:13px}.kv-activity h2{font-size:17px!important}.kv-activity p{font-size:12px}.kv-activity span{font-size:11px;gap:4px}.kv-return a{font-size:12px}}
/* Portrait phones show a true single page; both destinations remain available by scrolling. */
@media(max-width:480px){.kv-book{grid-template-columns:1fr;background:#fffaf0;gap:20px}.kv-book:after{display:none}.kv-chapter,.kv-chapter:nth-child(2){border-radius:9px}.kv-page-art{aspect-ratio:1.35}.kv-chapter-copy h2{font-size:24px!important}.kv-chapter-copy{padding:14px 15px}.kv-chapter-copy small{font-size:12px}.kv-chapter-copy>span{font-size:13px}.kv-section .kv-activities{grid-template-columns:1fr}.kv-activity{display:grid;grid-template-columns:112px 1fr;align-items:stretch}.kv-activity>img{height:100%;min-height:145px;aspect-ratio:auto;object-fit:cover}.kv-activity h2{font-size:18px!important}.kv-activity p{font-size:13px}.kv-activity span{font-size:12px}}
@media(prefers-reduced-motion:reduce){.kv-home *,.kv-section *{transition:none!important;animation:none!important}}
/* The old root grid reserves a sidebar column. Exploration uses the full canvas. */
body.kv-world #app{display:block!important;grid-template-columns:none!important;min-width:0}
/* Continuous illustrated worlds: one image, semantic hotspots over the landscape. */
body.kv-world:has(.kv-home){background:#f7eddb}
body.kv-world:has(.kv-home) .hub-main{max-width:1600px!important;padding:0 20px 24px!important;margin:auto}
body.kv-world:has(.kv-home) .kv-header{background:#fff9efeb;border-bottom:0}
.kv-home .kv-intro{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.kv-story-stage{position:relative;width:100%;isolation:isolate;margin:0 auto;}
.kv-scene-image{display:block;width:100%;height:auto;max-width:100%;border:0;}
.kv-story-stage .kv-scene-image{border-radius:22px;}
.kv-scene-zone{position:absolute;top:12%;bottom:16%;width:43%;display:flex;align-items:flex-end;justify-content:center;text-decoration:none;color:#1254a1;border-radius:35%;}
.kv-zone-home{left:4%}.kv-zone-school{left:49%;color:#a74432}
.kv-scene-zone>span{display:flex;align-items:center;justify-content:center;gap:12px;padding:14px 22px;background:linear-gradient(#fff9e9,#ffe7b8);border:2px solid #fff5da;border-radius:40% 20% 28% 18% / 25% 35% 25% 35%;font-size:clamp(16px,2.4vw,36px);font-weight:900;box-shadow:0 5px 8px #7f4b2530;text-shadow:0 1px white;transition:transform .2s;}
.kv-zone-school>span{background:linear-gradient(#fff4df,#ffd0b2)}
.kv-scene-zone .icon{width:clamp(23px,3vw,42px);height:clamp(23px,3vw,42px)}
.kv-scene-zone:hover>span{transform:translateY(-5px)}
.kv-scene-tabs{position:absolute;right:0;top:15%;width:9%;display:flex;flex-direction:column;gap:5px;z-index:4;}
.kv-scene-tabs a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:58px;padding:8px 3px;color:var(--chapter);background:color-mix(in srgb,var(--chapter) 17%,#fff9e9);border:2px solid #fffae7;border-radius:6px 19px 19px 6px;box-shadow:2px 3px 4px #674b3020;text-decoration:none;font-size:clamp(10px,1vw,15px);font-weight:850;}
.kv-scene-tabs a:hover{transform:translateX(4px)}
.kv-scene-caption{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:-2% 5% 16px;position:relative;color:#846345;font-size:15px;}
.kv-open-story{display:flex;gap:12px;align-items:center;justify-content:center;background:linear-gradient(#ffe293,#ffbc46);color:#943b13;text-decoration:none;font-size:clamp(17px,2vw,27px);font-weight:900;padding:14px 26px;border:2px solid #fff1ca;border-radius:40px;box-shadow:0 4px 0 #e69a37;min-height:52px;}
.kv-world-scene{position:relative;border-radius:28px;overflow:hidden;margin:8px auto 0;}
.kv-map-stop{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-5%);display:flex;flex-direction:column;align-items:center;gap:5px;text-decoration:none;color:var(--chapter);min-width:90px;}
.kv-stop-dot{display:grid;place-items:center;width:44px;height:44px;background:#fff9e7;border:3px solid white;border-radius:50%;box-shadow:0 3px 7px #273d392b;}
.kv-stop-label{white-space:nowrap;padding:8px 18px;border:2px solid #fff9e9;background:#fff7df;border-radius:30px;font-weight:900;font-size:clamp(13px,1.5vw,23px);box-shadow:0 4px 0 #ccb68b99;}
.kv-map-stop:hover .kv-stop-dot{transform:translateY(-5px)}
.kv-map-hint{text-align:center;color:#6e7659;font-size:14px;margin:14px 0;}
.kv-home .kv-today{margin:20px 4% 0;background:#fffaf0;border-color:#e8d9bf;box-shadow:none;}
.kv-home .kv-quick{margin-top:14px;}
@media(min-width:1100px){.kv-story-stage,.kv-world-scene{max-width:1400px}.kv-scene-tabs a{min-height:64px}}
@media(max-width:760px){body.kv-world:has(.kv-home) .hub-main{padding:0 8px 20px!important}.kv-story-stage{margin-top:4px}.kv-scene-tabs{position:relative;inset:auto;width:100%;flex-direction:row;gap:5px;padding:8px 5px;}.kv-scene-tabs a{flex:1;border-radius:13px;font-size:10px;min-height:53px;padding:6px 2px;gap:4px}.kv-scene-tabs .icon{width:19px;height:19px}.kv-scene-zone{top:7%;bottom:calc(15% + 54px);width:44%}.kv-zone-school{left:51%}.kv-scene-zone>span{font-size:clamp(12px,2.6vw,20px);padding:8px 9px;gap:5px;border-width:1px}.kv-scene-zone .icon{width:20px;height:20px}.kv-scene-caption{margin:8px 8px 16px;flex-direction:column;gap:10px;font-size:12px;text-align:center}.kv-open-story{padding:10px 22px;font-size:18px;min-height:46px}.kv-world-scene{border-radius:16px;}.kv-stop-dot{width:30px;height:30px;border-width:2px}.kv-stop-dot .icon{width:18px;height:18px}.kv-map-stop{gap:3px;min-width:54px}.kv-stop-label{font-size:11px;padding:5px 8px;border-width:1px}.kv-map-hint{font-size:12px}.kv-home .kv-today{margin:16px 5px 0;}}