/* 청사진(blueprint) 학습지: 옅은 모눈 바탕 위에 남색 2px 선으로 그린 종이 한 장.
   쪽마다 푸른 점 하나, 그림자도 푸른빛. 색은 푸른 계열만 씁니다.
   학습지(index.html)와 진행자 화면(admin.html)이 함께 씁니다. */
:root{
  --paper:#F3F7FC; --grid:#DFE9F6; --card:#FFFFFF; --ink:#0B2545; --muted:#4A6283; --line:#C9D8EC;
  --blue:#1D5FD1; --blue-ink:#123F91; --on-blue:#FFFFFF; --sky:#DCEBFF; --soft:#EEF4FC; --ice:#7FAEEB;
  --shadow:#BFD5F3; --deep:#0B2545; --on-deep:#FFFFFF; --veil:rgba(11,37,69,.55); --header:rgba(255,255,255,.92);
  --display:"Black Han Sans","IBM Plex Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --body:"IBM Plex Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#071730; --grid:#0E2647; --card:#0D2343; --ink:#E3EEFF; --muted:#9DB4D6; --line:#25466F;
    --blue:#4C8DF6; --blue-ink:#8DB9FF; --on-blue:#04122A; --sky:#163A68; --soft:#0A1F3D; --ice:#6FA6F5;
    --shadow:#031024; --deep:#8DB9FF; --on-deep:#04122A; --veil:rgba(2,10,24,.7); --header:rgba(7,23,48,.92);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#071730; --grid:#0E2647; --card:#0D2343; --ink:#E3EEFF; --muted:#9DB4D6; --line:#25466F;
  --blue:#4C8DF6; --blue-ink:#8DB9FF; --on-blue:#04122A; --sky:#163A68; --soft:#0A1F3D; --ice:#6FA6F5;
  --shadow:#031024; --deep:#8DB9FF; --on-deep:#04122A; --veil:rgba(2,10,24,.7); --header:rgba(7,23,48,.92);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100%;color:var(--ink);font:16px/1.65 var(--body);word-break:keep-all;overflow-wrap:anywhere;
  background-color:var(--paper);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:24px 24px}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--header)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--blue-ink)}
:focus-visible{outline:3px solid var(--ice);outline-offset:2px}
[hidden]{display:none!important}

/* ── 위 머리띠: 이름, 저장 상태, ⋯ 메뉴, 한 칸씩 보기 막대 ── */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:8;background:var(--header);
  border-bottom:2px solid var(--ink);backdrop-filter:blur(6px)}
.nav,.stepbar{display:flex;align-items:center;gap:12px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.nav{padding-block:10px}
.brand{font-family:var(--display);font-size:17px;color:var(--blue-ink);white-space:nowrap;letter-spacing:.01em}
.status{flex:1;min-width:0;font-size:12.5px;color:var(--muted);line-height:1.35;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.status.warn{color:var(--blue-ink);font-weight:700}
.iconbtn{flex:0 0 auto;font-size:20px;line-height:1;padding:6px 13px;border-radius:8px;background:var(--card);
  border:2px solid var(--ink);box-shadow:2px 2px 0 var(--shadow)}
.stepbar{padding-block:8px 10px;border-top:1px solid var(--line)}
.stepbar .arrow{flex:0 0 auto;font-size:18px;font-weight:700;padding:6px 14px;border-radius:8px;background:var(--card);
  border:2px solid var(--ink);box-shadow:2px 2px 0 var(--shadow)}
.stepbar .arrow:disabled{opacity:.3;box-shadow:none;cursor:default}
.stepmid{flex:1;min-width:0}
#stepTitle{font-family:var(--display);font-size:16px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dots{display:flex;gap:4px;margin-top:5px;flex-wrap:wrap}
.dots button{width:18px;height:6px;border-radius:3px;border:0;padding:0;background:var(--line)}
.dots button.done{background:var(--ice)}
.dots button.on{background:var(--blue);width:26px}
#stepCount{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.timer{flex:0 0 auto;font:700 22px/1 var(--body);font-variant-numeric:tabular-nums;color:var(--blue-ink);
  background:var(--sky);border:2px solid var(--ink);border-radius:8px;padding:6px 10px}
.timer.done{background:var(--blue);color:var(--on-blue);animation:pulse 1s ease-in-out 3}
@keyframes pulse{50%{transform:scale(1.08)}}

.menu{position:absolute;right:max(16px,env(safe-area-inset-right,0px));top:calc(100% + 6px);z-index:9;display:flex;flex-direction:column;gap:6px;
  background:var(--card);border:2px solid var(--ink);border-radius:10px;padding:10px;min-width:220px;box-shadow:6px 6px 0 var(--shadow)}
.menu button{display:block;width:100%;text-align:left;font-size:14px;padding:9px 11px;border-radius:7px;background:var(--soft);
  border:1px solid var(--line)}
.menu button:hover{border-color:var(--blue)}
.menu .sep{font-size:11px;letter-spacing:.06em;color:var(--muted);padding:6px 4px 0}
.menu .row{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.menu .row button{text-align:center;padding:8px 4px}

/* ── 종이 한 장 ── */
.wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:24px 48px}
.sheet{max-width:780px;margin:0 auto;background:var(--card);border:2px solid var(--ink);border-radius:10px;
  box-shadow:7px 7px 0 var(--shadow);padding:28px clamp(18px,4vw,40px) 36px}
.head{border-bottom:2px solid var(--ink);padding-bottom:16px;margin-bottom:8px;display:grid;gap:6px}
.head small{font-size:13px;color:var(--muted)}
.head .eyebrow{font-size:12px;letter-spacing:.08em;color:var(--blue-ink);font-weight:700}
h1{font-family:var(--display);font-weight:400;font-size:clamp(26px,5vw,36px);line-height:1.25;margin:0;text-wrap:balance;letter-spacing:-.01em}
h2{font-family:var(--display);font-weight:400;font-size:21px;line-height:1.35;margin:34px 0 12px;display:flex;align-items:center;gap:10px;text-wrap:balance}
h2::before{content:"";flex:0 0 auto;width:11px;height:11px;border-radius:50%;background:var(--blue);border:2px solid var(--ink)}
.step{display:grid;gap:14px}
.q{display:block;font-weight:700;font-size:15.5px;line-height:1.55}
.qwrap{display:grid;gap:7px}
.hint{font-size:14px;color:var(--muted);margin:0}
.hint b{color:var(--ink)}
textarea,input.line,select.line{display:block;width:100%;padding:11px 12px;border:2px solid var(--ink);border-radius:6px;
  background:var(--card);font-size:16px;line-height:1.6}
textarea{resize:vertical;min-height:64px}
textarea.tall{min-height:220px;font-size:14px;background:var(--soft)}
textarea:focus,input.line:focus,select.line:focus{outline:3px solid var(--ice);outline-offset:1px}
select.line{cursor:pointer;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;font-size:14px;font-weight:700;
  border-radius:6px;border:2px solid var(--ink);background:var(--blue);color:var(--on-blue);box-shadow:2px 2px 0 var(--ink);text-decoration:none;line-height:1.3}
.btn:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.btn.ghost{background:var(--card);color:var(--ink)}
.btn.deep{background:var(--deep);color:var(--on-deep)}
.btn:disabled{opacity:.4;box-shadow:none;cursor:default}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.state{font-size:13px;color:var(--blue-ink);font-weight:700}
.state.warn{color:var(--ink);background:var(--sky);padding:2px 8px;border-radius:4px}
.state.warn::before{content:"! "}

/* 고르기 칩 */
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chips button{padding:8px 15px;border:2px solid var(--line);border-radius:99px;background:var(--card);font-size:14.5px}
.chips button:hover{border-color:var(--blue)}
.chips button.on{background:var(--blue);border-color:var(--ink);color:var(--on-blue);font-weight:700;box-shadow:2px 2px 0 var(--ink)}

/* 작품 아카이브 */
.arch{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.arch a{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);border:2px solid var(--ink);border-radius:8px;overflow:hidden;
  background:var(--card);box-shadow:3px 3px 0 var(--shadow);transition:transform .15s,box-shadow .15s}
.arch a:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--shadow)}
.tile{aspect-ratio:16/10;max-width:100%;display:grid;place-items:center;border-bottom:2px solid var(--ink);
  background:hsl(var(--h,214) 70% 90%);background-image:linear-gradient(hsl(var(--h,214) 60% 82%) 1px,transparent 1px),linear-gradient(90deg,hsl(var(--h,214) 60% 82%) 1px,transparent 1px);background-size:14px 14px}
.tile b{font-family:var(--display);font-weight:400;font-size:34px;color:hsl(var(--h,214) 65% 28%)}
.tile{position:relative;overflow:hidden}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top center;background:var(--card)}
.arch span{padding:8px 10px 10px;font-size:14px;font-weight:700;line-height:1.35}
.arch i{display:block;font-style:normal;font-size:11.5px;color:var(--blue-ink)}
.credit{font-size:12.5px;color:var(--muted);margin:0}
.big{display:block;text-align:center;padding:18px;font-family:var(--display);font-size:22px;text-decoration:none;color:var(--on-blue);
  background:var(--blue);border:2px solid var(--ink);border-radius:8px;box-shadow:4px 4px 0 var(--ink)}
.big:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}

/* 3쪽 체험 카드 */
.plays{display:grid;gap:12px}
.play{display:grid;grid-template-columns:200px minmax(0,1fr);gap:16px;align-items:start;padding:14px;border:2px solid var(--ink);border-radius:8px;background:var(--card);box-shadow:3px 3px 0 var(--shadow)}
.play.main{background:var(--soft);box-shadow:5px 5px 0 var(--shadow)}
.play .tile{aspect-ratio:16/10;border:2px solid var(--ink);border-radius:6px}
.play .tile b{font-size:30px}
.pbody{display:grid;gap:4px;justify-items:start;min-width:0}
.play .meta{font-size:12px;letter-spacing:.04em;color:var(--blue-ink);font-weight:700}
.play h3{margin:0;font-family:var(--display);font-weight:400;font-size:20px;line-height:1.3;text-wrap:balance}
.play h3 small{font-family:var(--body);font-size:12px;font-weight:700;padding:2px 7px;border-radius:99px;background:var(--blue);color:var(--on-blue);vertical-align:3px}
.play p{margin:0 0 6px;font-size:14px;color:var(--muted)}
.btn.big-in{font-size:16px;padding:12px 20px;box-shadow:3px 3px 0 var(--ink)}

/* 프롬프트 만들기 */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.kdesc{font-size:13.5px;color:var(--muted)}
.multi{display:flex;flex-wrap:wrap;gap:6px}
.multi button{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:2px solid var(--line);border-radius:99px;background:var(--card);font-size:14px}
.multi button.on{border-color:var(--ink);background:var(--sky);font-weight:700}
.multi button i{font-style:normal;display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--blue);color:var(--on-blue);font-size:12px}
.level{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.level button{padding:12px 10px;border:2px solid var(--line);border-radius:8px;background:var(--card);text-align:left;font-size:15px;font-weight:700;line-height:1.35}
.level button small{display:block;font-weight:400;font-size:12.5px;color:var(--muted)}
.level button.on{border-color:var(--ink);background:var(--sky);box-shadow:3px 3px 0 var(--ink)}
.builder{padding:12px 14px;background:var(--soft);border:2px solid var(--ink);border-radius:8px}
.fixes{display:grid;gap:8px}
.fixes .chips button{font-size:13.5px}

/* 배포 따라 하기 */
.dtabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.dtabs button{padding:12px;border:2px solid var(--line);border-radius:8px;background:var(--card);text-align:left;font-size:15.5px;font-weight:700;line-height:1.35}
.dtabs button small{display:block;font-weight:400;font-size:12.5px;color:var(--muted);margin-top:2px}
.dtabs button[aria-selected="true"]{border-color:var(--ink);background:var(--sky);box-shadow:3px 3px 0 var(--ink)}
.dpanel{display:grid;gap:12px}
.dpanel [data-dgroup]{display:grid;gap:10px}
.dhead{font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--blue-ink);padding-top:4px}
.dbody{display:grid;gap:8px;min-width:0}
.dtip{font-size:13px;color:var(--muted)}
.cmd{display:flex;align-items:center;gap:8px;padding:8px 8px 8px 12px;border:2px solid var(--ink);border-radius:6px;background:var(--deep);min-width:0}
.cmd code{flex:1;min-width:0;color:var(--on-deep);font:14px/1.5 ui-monospace,"SF Mono",Consolas,"D2Coding",monospace;overflow-wrap:anywhere;white-space:pre-wrap}
.note .cmd{margin-top:8px}
.note .cmd code{font-family:var(--body)}
code{font-family:ui-monospace,"SF Mono",Consolas,"D2Coding",monospace;font-size:.92em}
.answers{margin:0;padding:0;list-style:none;display:grid;gap:4px;font-size:13.5px}
.answers li{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:8px;padding:6px 10px;background:var(--soft);border-radius:6px}
.answers li::before{content:none}
.answers span{color:var(--muted);font-family:ui-monospace,Consolas,monospace;font-size:12.5px}
.dsteps{margin:0;padding:0;list-style:none;display:grid;gap:8px;counter-reset:d}
.dsteps>li{counter-increment:d;display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;font-size:15px;line-height:1.6}
.dsteps>li::before{content:counter(d);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--sky);
  border:2px solid var(--ink);font-weight:700;font-size:13px;margin-top:1px}
.dsteps label{display:flex;gap:10px;align-items:flex-start;cursor:pointer}
.dsteps input{margin-top:6px;width:18px;height:18px;accent-color:var(--blue);flex:0 0 auto}
.dsteps input:checked+span{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--ice)}
.note{background:var(--soft);border:2px dashed var(--line);border-radius:8px;padding:12px 14px;font-size:14px;line-height:1.7}

/* 작품 카드 · 갤러리 */
.pickfile{padding:12px;border:2px dashed var(--line);border-radius:8px;background:var(--soft);display:grid;gap:8px}
.pickfile input[type=file]{font-size:13px;max-width:100%}
.shotprev{display:flex;align-items:center;gap:10px}
.shotprev img{width:150px;max-width:100%;aspect-ratio:16/10;object-fit:cover;border:2px solid var(--ink);border-radius:6px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.work{border:2px solid var(--ink);border-radius:8px;background:var(--card);overflow:hidden;display:flex;flex-direction:column;box-shadow:3px 3px 0 var(--shadow)}
.work .tile{position:relative}
.work .tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.work .info{padding:10px 12px 12px;display:grid;gap:3px;font-size:13.5px}
.work .name{font-weight:700;font-size:15px}
.work .maker,.work .desc{color:var(--muted);font-size:12.5px}
.work .acts{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px;align-items:center}
.pill{font-size:12.5px;padding:5px 11px;border-radius:99px;border:2px solid var(--ink);background:var(--card);font-weight:700;text-decoration:none;color:var(--ink)}
.pill.like.on{background:var(--blue);color:var(--on-blue)}
.pill.quiet{border-color:var(--line);color:var(--muted);font-weight:500}
.pill.quiet.arm{border-color:var(--ink);background:var(--sky);color:var(--ink);font-weight:700}
.empty{grid-column:1/-1;padding:22px;text-align:center;border:2px dashed var(--line);border-radius:8px;color:var(--muted);font-size:14px}

/* 퀴즈 */
.quiz{display:grid;gap:14px}
.qcard{border:2px solid var(--ink);border-radius:8px;padding:14px;background:var(--card);display:grid;gap:10px}
.qcard .qn{font-size:12px;color:var(--blue-ink);font-weight:700;letter-spacing:.05em}
.qcard .opts{display:grid;gap:7px}
.qcard .opts button{text-align:left;padding:10px 12px;border:2px solid var(--line);border-radius:6px;background:var(--card);font-size:15px;display:flex;gap:10px;align-items:baseline}
.qcard .opts button b{flex:0 0 auto;font-size:13px;color:var(--muted)}
.qcard .opts button:not(:disabled):hover{border-color:var(--blue)}
.qcard .opts button.right{border-color:var(--ink);background:var(--sky);font-weight:700}
.qcard .opts button.right b::after{content:" ✓";color:var(--blue-ink)}
.qcard .opts button.wrong{border-style:dashed;color:var(--muted);text-decoration:line-through;animation:shake .35s}
.qcard .opts button:disabled{cursor:default}
.qcard .why{font-size:14px;background:var(--soft);border-left:4px solid var(--blue);padding:8px 12px;border-radius:0 6px 6px 0}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.score{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px;border:2px solid var(--ink);border-radius:8px;background:var(--sky)}
.score b{font-family:var(--display);font-weight:400;font-size:30px;font-variant-numeric:tabular-nums}

/* 설문 별점 */
.stars{display:flex;gap:4px}
.stars button{font-size:40px;line-height:1;padding:2px 6px;background:none;border:0;color:var(--line)}
.stars button.on{color:var(--blue);text-shadow:1px 1px 0 var(--ink)}
.starword{font-size:14px;color:var(--blue-ink);font-weight:700;min-height:1.4em}

/* 창 */
dialog{border:2px solid var(--ink);border-radius:10px;padding:22px;width:min(460px,calc(100vw - 32px));background:var(--card);color:var(--ink);box-shadow:8px 8px 0 var(--shadow)}
dialog::backdrop{background:var(--veil)}
dialog h3{margin:0 0 8px;font-family:var(--display);font-weight:400;font-size:21px}
dialog p{font-size:14px;margin:0 0 12px}
.qrhost{display:grid;place-items:center;margin:8px 0 12px;padding:12px;background:#FFFFFF;border-radius:8px;border:2px solid var(--line)}
.qrhost img,.qrhost canvas{max-width:100%;height:auto}

/* ── 한 칸씩 보기 ── */
.one .sheet>h2,.one .head{display:none}
.one .step{display:none}
.one .step.now{display:grid;animation:in .25s ease-out}
.one .sheet{padding-top:24px}
.one textarea{min-height:110px}
.one textarea.tall{min-height:240px}
@keyframes in{from{opacity:.4;transform:translateY(6px)}to{opacity:1;transform:none}}

@media (max-width:620px){
  .grid2,.level{grid-template-columns:1fr}
  .arch{grid-template-columns:repeat(2,minmax(0,1fr))}
  .play{grid-template-columns:1fr;gap:12px}
  .dtabs{grid-template-columns:1fr}
  .answers li{grid-template-columns:1fr;gap:0}
  .brand{font-size:15px}
  .stepbar{gap:8px}
  .stepbar .arrow{padding:6px 11px}
  .timer{font-size:18px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media print{
  body{background:#fff}
  .top,.no-print,dialog{display:none!important}
  .sheet{box-shadow:none;border:0;max-width:none;padding:0}
  .one .step{display:grid}.one .sheet>h2,.one .head{display:flex}
}

/* 단계 제목은 한 줄, 설명은 다음 줄 */
.dsteps label>span>b:first-child{display:block}

/* ── 수업방 ── */
.roomchip{flex:0 0 auto;max-width:42vw;font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:99px;border:2px solid var(--ink);
  background:var(--sky);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.roomchip::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--blue);margin-right:6px;vertical-align:1px}
.roomchip.off::before{background:var(--line)}
.follow{display:block;margin-top:5px;max-width:100%;font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:99px;border:2px solid var(--ink);
  background:var(--blue);color:var(--on-blue);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.toast{position:fixed;left:50%;bottom:calc(18px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:20;max-width:calc(100vw - 32px);
  padding:10px 16px;border-radius:8px;border:2px solid var(--ink);background:var(--deep);color:var(--on-deep);font-size:14px;font-weight:700;box-shadow:4px 4px 0 var(--shadow)}
.roomform{display:grid;gap:12px}
@media (max-width:620px){.inroom .nav .status{display:none}.roomchip{max-width:none;flex:1 1 auto}}

/* 처음 사용하는 선생님을 위한 도구 선택과 단계별 안내 */
.practice-intro{border-bottom:2px solid var(--line);padding-bottom:24px;margin-bottom:12px}
.practice-intro h2{margin:8px 0 14px;font-size:25px;line-height:1.45}
.practice-intro h2::before{display:none}
.practice-intro p,.tool-stage p{margin:12px 0}
.practice-eyebrow{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--blue-ink)}
.practice-modes,.practice-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 12px}
.practice-modes button,.practice-tools button{min-width:0;min-height:78px;text-align:left;padding:16px;border:2px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink)}
.practice-modes button b,.practice-tools strong{display:block;font-size:18px;line-height:1.5}
.practice-modes small,.practice-tools small{display:block;font-size:13px;line-height:1.6;margin-top:4px}
.practice-modes [aria-pressed=true]{background:var(--blue);color:var(--on-blue);border-color:var(--ink);box-shadow:3px 3px 0 var(--shadow)}
.practice-tools [aria-pressed=true]{background:var(--sky);border-color:var(--blue)}
.practice-note{font-size:14px;line-height:1.8;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--soft)}
.practice-ready{background:var(--soft);border-radius:10px;padding:18px;margin:20px 0}
.practice-ready ol,.tool-stage ol{padding-left:24px;margin:12px 0}.practice-ready li,.tool-stage li{padding:5px 0}
.practice-intro details,.practice-help,.practice-builder,.tool-stage,.dpanel details{border:1px solid var(--line);border-radius:10px;padding:16px;margin:18px 0;background:var(--card)}
.practice-intro summary,.practice-help summary,.practice-builder>summary,.dpanel summary{font-size:17px;font-weight:700;cursor:pointer;min-height:32px;line-height:1.7}
.practice-intro dt{font-weight:700;margin-top:12px}.practice-intro dd{margin:4px 0 0}
.guide-heading{margin-top:16px;padding-top:12px}.guide-heading h3{font-size:25px;line-height:1.4;margin:8px 0 12px;font-family:var(--display);font-weight:400}
#toolGuideProgress{font-size:15px;font-weight:700;color:var(--blue-ink)}
.tool-stage{padding:0;overflow:hidden}.tool-stage>summary{font-size:18px;font-weight:700;cursor:pointer;min-height:60px;padding:16px;line-height:1.6}
.tool-stage>summary>span{display:inline-grid;place-items:center;background:var(--sky);border-radius:7px;width:30px;height:30px;margin-right:10px;color:var(--blue-ink)}
.tool-stage-body{padding:0 18px 18px;line-height:1.85;font-size:16px}.tool-stage-body .stage-done{padding:12px;background:var(--soft);font-weight:700;border-radius:8px;font-size:15px}
.guide-check{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);margin-top:20px;padding-top:16px;font-size:15px;font-weight:700;cursor:pointer}.guide-check input{width:20px;height:20px;accent-color:var(--blue)}
.practice-prompt{border:1px solid var(--line);background:var(--soft);border-radius:10px;margin:18px 0;overflow:hidden}
.practice-prompt>div{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:14px}
.practice-prompt pre{white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;font-family:var(--body);font-size:16px;line-height:1.9;margin:0;padding:18px}
.practice-builder[open]{display:grid;gap:16px}.practice-builder>summary{font-size:20px;color:var(--blue-ink)}
.practice-deploy-intro{padding:16px;background:var(--soft);border:1px solid var(--line);border-radius:10px}.practice-deploy-intro p{margin:8px 0}
.tool-summary{font-size:12px;color:var(--blue-ink);font-weight:700;margin-top:5px}
.dpanel .dsteps span{overflow-wrap:anywhere}.dpanel .state{display:block;margin:16px 0}.dpanel details p{line-height:1.85;font-size:15px}
.btn,.pill,.chips button,.practice-modes button,.practice-tools button{min-height:44px}
.builder a{white-space:normal;text-align:center}
input[type=file]{max-width:100%;min-width:0}
.qwrap,.grid2>*{min-width:0}
@media(max-width:620px){.practice-modes,.practice-tools{gap:8px}.practice-modes button,.practice-tools button{padding:12px}.practice-modes b,.practice-tools strong{font-size:16px!important}.practice-modes small,.practice-tools small{font-size:12px}.tool-stage-body{padding:0 14px 16px}.practice-prompt pre{padding:14px;word-break:normal}.practice-builder{padding:14px}.practice-intro h2{font-size:23px}.guide-heading h3{font-size:22px}.practice-prompt>div{flex-wrap:wrap}.tool-summary{max-width:100%;overflow-wrap:anywhere}}
@media print{.practice-modes,.practice-tools,.guide-check,.practice-prompt button,[data-go-step],[data-open-builder]{display:none!important}.tool-stage,.practice-builder{break-inside:auto}.practice-prompt pre{font-size:10pt}.practice-intro,.tool-stage-body{font-size:11pt}}