/* ===== 사이트 (주니어 감성: 하늘·잔디·말랑한 카드) ===== */
:root{--k1:#2f7bf5;--k1s:#e6f0ff;--k1d:#1d5fd1;--k2:#8b5cf6;--k2s:#f1ebff;--k2d:#6d3fd8;--k3:#12b886;--k3s:#e3f9f0;--k3d:#0b9468;--k4:#ff922b;--k4s:#fff1e2;--k4d:#e8740c;--k5:#f0506e;--k5s:#ffe8ed;--k5d:#d23253;--k6:#15aabf;--k6s:#e0f7fa;--k6d:#0c8599;
--bg:#fffdf6;--card:#fff;--ink:#2b2a33;--sub:#6b6876;--line:#ece7da;--acc:#19c26b;--accd:#0e9f53;--acc-ink:#fff;--soft:#e6faef;--sun:#ffd43b;--sky1:#bfe6ff;--sky2:#e9f7ff;--grass:#7bd88f;--grassd:#4cbf6a;
--fun:"Jua","Apple SD Gothic Neo","Noto Sans KR",sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#17181f;--card:#22242d;--ink:#f1f0f5;--sub:#aeacb8;--line:#363845;--acc:#3fd98a;--accd:#22a865;--acc-ink:#0d1a12;--soft:#1c3327;--sky1:#22355a;--sky2:#1a2236;--grass:#2f7a4a;--grassd:#245f3a;
--k1:#7fb0ff;--k1s:#1d2a44;--k1d:#4f86e6;--k2:#b79cff;--k2s:#2b2342;--k2d:#8a6be6;--k3:#5fe0b1;--k3s:#173329;--k3d:#2fb486;--k4:#ffb36b;--k4s:#3a2a1a;--k4d:#e08a3a;--k5:#ff8aa1;--k5s:#3d1f27;--k5d:#e05a77;--k6:#5fd8e8;--k6s:#173338;--k6d:#2fb0c2}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Noto Sans KR","Malgun Gothic",sans-serif;word-break:keep-all}
a{color:var(--accd)}
.wrap{max-width:820px;margin:0 auto;padding:0 16px}
h1,h2,h3,.logo,button,.chip,.card b,summary,.fun{font-family:var(--fun);font-weight:400;letter-spacing:-.01em}
h1{font-size:30px;line-height:1.3;margin:20px 0 10px}
h2{font-size:23px;margin:36px 0 12px}
h3{font-size:19px;margin:22px 0 6px}
.lead{color:var(--sub);margin-top:0}
.note{font-size:13px;color:var(--sub)}
.updated{font-size:12px;color:var(--sub);margin:28px 0}

/* 머리 */
.top{background:var(--acc);box-shadow:0 3px 0 var(--accd);position:relative;z-index:6}
.top .wrap{min-height:60px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:8px;font-size:25px;text-decoration:none;color:#fff;white-space:nowrap;text-shadow:0 2px 0 var(--accd)}
.logo .m{width:36px;height:36px;flex:0 0 auto}
.gnb{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin-left:auto;padding:4px 0}
.gnb::-webkit-scrollbar{display:none}
.gnb a{flex:0 0 auto;font-family:var(--fun);font-size:16px;color:#fff;text-decoration:none;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.18)}
.gnb a:hover,.gnb a.on{background:#fff;color:var(--accd)}
@media (max-width:640px){.top .wrap{flex-wrap:wrap;gap:0;padding-top:8px}.gnb{margin:0 -16px;padding:6px 16px 10px;width:calc(100% + 32px)}}

/* 첫 화면: 하늘 + 구름 + 잔디 */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--sky1),var(--sky2) 78%);padding:34px 0 86px;text-align:center}
.hero::before,.hero::after{content:"";position:absolute;background:#fff;border-radius:999px;opacity:.85;box-shadow:28px -14px 0 4px #fff,58px 0 0 -2px #fff}
.hero::before{width:70px;height:28px;left:7%;top:34px}
.hero::after{width:56px;height:22px;right:12%;top:66px}
@media (prefers-color-scheme:dark){.hero::before,.hero::after{opacity:.12}}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(34px,8vw,50px);margin:0;color:var(--ink);line-height:1.15}
.hero h1 small{display:block;font-size:.42em;color:var(--accd);margin-bottom:4px}
.hero h1 em{font-style:normal;color:var(--acc);text-shadow:0 3px 0 var(--accd);-webkit-text-stroke:0}
.hero p{margin:6px 0 20px;color:var(--sub);font-size:17px}
.mascot{width:96px;height:96px;display:block;margin:0 auto 6px;animation:bob 2.6s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-7px) rotate(-3deg)}}
.sbox{position:relative;max-width:560px;margin:0 auto}
.sbox::before{content:"🔍";position:absolute;left:18px;top:50%;transform:translateY(-50%);font-size:20px}
.hero input{font-size:18px;padding:16px 18px 16px 52px;border:4px solid var(--acc);border-radius:999px;background:var(--card);box-shadow:0 5px 0 var(--accd)}
.hero input:focus{outline:none;border-color:var(--sun)}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:20px}
.chip{display:inline-flex;align-items:center;gap:5px;font-size:17px;text-decoration:none;color:#fff;background:var(--k);border-radius:999px;padding:7px 15px 6px;box-shadow:0 4px 0 var(--kd);transition:transform .12s}
.chip:hover{transform:translateY(-3px)}
.hill{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:70px;display:block}
.hill .g1{fill:var(--grass)}.hill .g2{fill:var(--bg)}
.float{position:absolute;font-size:34px;z-index:0;animation:bob 3.4s ease-in-out infinite}
.f1{left:5%;bottom:84px}.f2{right:6%;bottom:96px;animation-delay:-1.2s}.f3{left:16%;top:96px;font-size:26px;animation-delay:-2s}.f4{right:19%;top:24px;font-size:28px;animation-delay:-.6s}
@media (max-width:640px){.f3,.f4{display:none}.float{font-size:26px}.mascot{width:76px;height:76px}}

/* 카테고리 구역 */
section.cat{margin-top:8px}
section.cat h2{display:flex;align-items:center;gap:10px;color:var(--k)}
section.cat h2 .e{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--ks);font-size:24px;box-shadow:inset 0 -3px 0 rgba(0,0,0,.06)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}

/* 카드: 말랑한 스티커 */
.card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:6px;background:var(--card);border:3px solid var(--ks);border-radius:22px;padding:16px 16px 14px;text-decoration:none;color:var(--ink);box-shadow:0 5px 0 var(--ks);transition:transform .15s,box-shadow .15s,border-color .15s}
.card:hover{transform:translateY(-4px) rotate(-.6deg);border-color:var(--k);box-shadow:0 9px 0 var(--k)}
.card:active{transform:translateY(2px);box-shadow:0 2px 0 var(--k)}
.card .tx{display:flex;flex-direction:column;gap:2px;min-width:0}
.card b{font-size:19px;line-height:1.3;color:var(--ink)}
.card .tx span{font-size:13px;color:var(--sub);line-height:1.5}
.ic{font-style:normal;flex:0 0 auto;display:grid;place-items:center;width:52px;height:52px;border-radius:18px;background:var(--k);font:28px/1 var(--fun);color:#fff;box-shadow:0 4px 0 var(--kd)}
.card:hover .ic{animation:wig .4s}
@keyframes wig{30%{transform:rotate(-10deg) scale(1.08)}60%{transform:rotate(8deg)}}
@media (max-width:440px){.grid{grid-template-columns:1fr 1fr;gap:10px}.card{padding:12px}.card b{font-size:17px}.ic{width:44px;height:44px;font-size:23px;border-radius:15px}}

/* 카테고리 색 */
.c1{--k:var(--k1);--ks:var(--k1s);--kd:var(--k1d)}.c2{--k:var(--k2);--ks:var(--k2s);--kd:var(--k2d)}.c3{--k:var(--k3);--ks:var(--k3s);--kd:var(--k3d)}.c4{--k:var(--k4);--ks:var(--k4s);--kd:var(--k4d)}.c5{--k:var(--k5);--ks:var(--k5s);--kd:var(--k5d)}.c6{--k:var(--k6);--ks:var(--k6s);--kd:var(--k6d)}

/* 도구 페이지 */
main.c1,main.c2,main.c3,main.c4,main.c5,main.c6{--acc:var(--k);--accd:var(--kd);--soft:var(--ks)}
.thead{background:var(--k,var(--acc));color:#fff;border-radius:0 0 30px 30px;padding:14px 20px 22px;margin:0 -16px 16px;box-shadow:inset 0 -6px 0 rgba(0,0,0,.08)}
.thead .crumb{font-size:14px;margin:0;opacity:.9}.thead .crumb a{color:#fff}
.thead h1{display:flex;align-items:center;gap:12px;margin:8px 0 4px;color:#fff;font-size:clamp(25px,6vw,32px)}
.thead .ic{background:#fff;color:var(--k);box-shadow:0 4px 0 rgba(0,0,0,.15)}
.thead .lead{color:#fff;opacity:.95;margin:6px 0 0;font-size:15px}
.crumb{font-size:13px;color:var(--sub);margin:16px 0 0}.crumb a{color:var(--sub)}
.tool{background:var(--card);border:3px dashed var(--ks);border-radius:24px;padding:20px 18px 6px;margin:12px 0 8px;position:relative}
.tool::before{content:"✂️ 옵션 고르기";position:absolute;top:-15px;left:18px;font:15px/1 var(--fun);background:var(--k,var(--acc));color:#fff;padding:6px 12px;border-radius:999px}
.row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:12px}
.row>label{flex:1 1 200px;display:flex;flex-direction:column;font-size:14px;color:var(--sub);gap:4px;font-weight:600}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:2px solid var(--line);border-radius:14px;padding:10px 12px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 4px var(--soft)}
textarea{min-height:110px;resize:vertical}
button{font-size:18px;background:var(--acc);color:var(--acc-ink);border:0;border-radius:16px;padding:11px 20px 10px;cursor:pointer;box-shadow:0 5px 0 var(--accd);transition:transform .08s,box-shadow .08s}
button:hover{filter:brightness(1.05)}
button:active{transform:translateY(4px);box-shadow:0 1px 0 var(--accd)}
button.ghost{background:var(--sun);color:#4a3a00;box-shadow:0 5px 0 #e0b100}
button.ghost:active{box-shadow:0 1px 0 #e0b100}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.tabs button{background:var(--card);color:var(--sub);border:2px solid var(--line);box-shadow:none;font-size:15px;padding:7px 12px}
.tabs button.on{background:var(--soft);color:var(--acc);border-color:var(--acc)}
table{border-collapse:collapse;width:100%;font-size:14px;background:var(--card)}
th,td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:right}
th:first-child,td:first-child{text-align:left}
.scroll{overflow-x:auto}

/* 글·FAQ */
.guide{margin-top:28px;background:var(--card);border-radius:24px;padding:4px 22px 18px;border:2px solid var(--line)}
.guide h2{display:flex;align-items:center;gap:8px}
.guide h2::before{content:"";width:12px;height:12px;border-radius:50%;background:var(--k,var(--acc));box-shadow:16px 0 0 var(--sun);margin-right:16px}
.guide img{max-width:100%}
.faq h2::before{content:"💬 "}
.faq details{background:var(--card);border:2px solid var(--line);border-radius:18px;padding:12px 16px;margin-bottom:10px}
.faq details[open]{border-color:var(--k,var(--acc))}
.faq summary{font-size:17px;cursor:pointer;color:var(--ink)}
.faq summary::marker{color:var(--k,var(--acc))}
.more h2::before{content:"🎒 "}
main>h1:first-child{margin-top:28px}

/* 바닥 */
.foot{position:relative;margin-top:70px;padding:26px 0 36px;font-size:13px;color:#fff;background:var(--grassd)}
.foot::before{content:"";position:absolute;left:0;right:0;top:-28px;height:30px;background:radial-gradient(30px 30px at 30px 30px,var(--grassd) 98%,transparent) 0 0/60px 30px repeat-x}
.foot nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.foot a{color:#fff;text-decoration:none;background:rgba(255,255,255,.18);padding:3px 11px;border-radius:999px}
.foot p{margin:0;opacity:.9}

/* ===== 학습지 생성기 ===== */
.tool .row>label.chk{flex:0 0 auto;flex-direction:row;align-items:center;gap:6px;color:var(--ink)}
.chk input,.checks input{width:auto;accent-color:var(--acc)}
.checks{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.checks label{display:flex;align-items:center;gap:5px;font-size:15px;color:var(--ink)}
fieldset{border:0;padding:0;margin:0 0 12px;flex:1 1 100%}
legend{font-size:14px;color:var(--sub);margin-bottom:4px;padding:0}
.bar{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 0 14px;background:var(--bg)}
.bar .note{margin-left:auto}
.sheets{--z:1;background:repeating-linear-gradient(45deg,#e4ecf3 0 14px,#dce6ee 14px 28px);border-radius:24px;padding:12px;margin:0 -4px 8px;display:flex;flex-direction:column;align-items:center;gap:12px;overflow:hidden}
@media (prefers-color-scheme:dark){.sheets{background:repeating-linear-gradient(45deg,#262a33 0 14px,#2b2f39 14px 28px)}}
.guide{margin-top:24px}
.guide img{max-width:100%}

/* A4 한 장 (화면에서는 폭에 맞춰 축소) */
.page{zoom:var(--z);width:210mm;height:296.5mm;flex:0 0 auto;background:#fff;color:#111;box-shadow:0 2px 10px rgba(0,0,0,.18);padding:12mm 13mm 8mm;display:flex;flex-direction:column;overflow:hidden;font:12pt/1.45 "Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;-webkit-print-color-adjust:exact;print-color-adjust:exact}
.page *{box-sizing:border-box}
.ph{display:flex;justify-content:space-between;align-items:flex-end;gap:8mm;border-bottom:.6mm solid #222;padding-bottom:2.5mm;margin-bottom:5mm}
.pt{font-size:17pt;font-weight:800;line-height:1.25}.pt small{font-size:10.5pt;font-weight:600;color:#666;margin-left:1.5mm}
.pt .tag{display:inline-block;background:#d33;color:#fff;font-size:11pt;border-radius:2mm;padding:.5mm 2.5mm;margin-right:2.5mm;vertical-align:3pt}
.who{display:flex;gap:5mm;font-size:10.5pt;white-space:nowrap}
.who u{display:inline-block;width:26mm;border-bottom:.3mm solid #444;text-decoration:none}
.who u.s{width:9mm}
.pb{flex:1;min-height:0;position:relative}
.pf{font-size:8pt;color:#999;text-align:right;padding-top:2mm}
.ans .ph{border-color:#d33}
/* 문제 격자 */
.qgrid{display:grid;gap:0 8mm;grid-auto-flow:row}
.q{display:flex;align-items:center;gap:2mm;font-size:15pt;border-bottom:.2mm dashed #ccc;min-height:0}
.q .no{font-size:9pt;color:#888;width:7mm;flex:0 0 auto}
.box{display:inline-block;width:14mm;height:9mm;border:.35mm solid #555;border-radius:1.5mm;vertical-align:middle}
.ansv{color:#d22;font-weight:700}
.fr{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;line-height:1.05;margin:0 .6mm}
.fr span:first-child{border-bottom:.35mm solid currentColor;padding:0 1mm}
/* 세로셈 */
.vgrid{display:grid;gap:4mm 6mm}
.vq{position:relative;display:flex;justify-content:center;align-items:flex-start;padding-top:1mm}
.vq .no{position:absolute;left:0;top:0;font-size:9pt;color:#888}
.vcalc{font:600 19pt/1.25 "Noto Sans KR",sans-serif;font-variant-numeric:tabular-nums;text-align:right;letter-spacing:2.2mm}
.vcalc .op{float:left;letter-spacing:0;margin-right:2mm}
.vcalc .ln{border-top:.45mm solid #222;margin-top:1mm;min-height:10mm}
/* 따라 쓰기 칸 */
.trow{display:flex;margin-bottom:2.2mm}
.cell{position:relative;flex:0 0 auto;border:.3mm solid #8aa;margin-left:-.3mm;display:grid;place-items:center;line-height:1;color:#111}
.cell.g{color:#c9c9c9}
.cell.x::before,.cell.x::after{content:"";position:absolute;border:0 dashed #c5d0d5}
.cell.x::before{left:50%;top:0;bottom:0;border-left-width:.25mm}
.cell.x::after{top:50%;left:0;right:0;border-top-width:.25mm}
.cell>span{position:relative;z-index:1}
.tsvg{display:block}
@media (max-width:600px){.bar button{flex:1 1 auto;padding:11px 10px}.bar .note{width:100%;margin:0}}

@media print{
  @page{size:A4;margin:0}
  html,body{background:#fff!important}
  body>*:not(main),main>*:not(.sheets),ins.adsbygoogle,.google-auto-placed{display:none!important}
  main.wrap{max-width:none;padding:0;margin:0}
  .sheets{display:block;background:none;padding:0;margin:0;border-radius:0}
  .page{zoom:1;box-shadow:none;margin:0;break-after:page;page-break-after:always}
  .page:last-child{break-after:auto;page-break-after:auto}
}