:root{
  --bg:#0d121b;
  --bg2:#111927;
  --panel:#172131;
  --panel2:#1d293a;
  --paper:#f7f5ef;
  --paper2:#ffffff;
  --ink:#151b24;
  --white:#ffffff;
  --muted:#aab5c4;
  --line:#344257;
  --coral:#ff766f;
  --cyan:#59d4e8;
  --lime:#baf36b;
  --violet:#9279ff;
  --gold:#ffd46c;
  --pink:#f29dcc;
  --mint:#7ed8b7;
  --shadow:0 24px 70px rgba(0,0,0,.28);
  --soft-shadow:0 18px 45px rgba(18,28,42,.12);
  --radius:26px;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(circle at 10% 8%,rgba(89,212,232,.13),transparent 28%),
    radial-gradient(circle at 90% 8%,rgba(146,121,255,.14),transparent 27%),
    radial-gradient(circle at 72% 92%,rgba(255,118,111,.10),transparent 30%),
    var(--bg);
  color:var(--white);
  font-family:Pretendard,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  letter-spacing:-.025em;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.19;
  background-image:
    radial-gradient(circle,rgba(255,255,255,.72) 0 1px,transparent 1.3px),
    radial-gradient(circle,rgba(89,212,232,.48) 0 1px,transparent 1.3px);
  background-size:92px 92px,151px 151px;
  background-position:17px 23px,53px 69px;
  mask-image:linear-gradient(#000,transparent 94%);
}
a{color:inherit}
button,input,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(89,212,232,.75);outline-offset:3px}
.hidden{display:none!important}
.app{position:relative;z-index:1;min-height:100vh}
.screen{display:none;min-height:calc(100vh - 64px)}
.screen.active{display:block}

/* top bar */
.topbar{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(13,18,27,.88);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(18px);
}
.topbar-inner{
  max-width:var(--max);
  margin:auto;
  min-height:64px;
  padding:11px 20px;
  display:flex;
  align-items:center;
  gap:14px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:210px;text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:13px;
  display:grid;place-items:center;
  font-weight:950;color:#111722;
  background:linear-gradient(135deg,var(--coral),var(--violet));
  box-shadow:0 8px 22px rgba(146,121,255,.28);
}
.brand-copy b{display:block;font-size:14px}
.brand-copy span{display:block;color:#8793a4;font-size:10px;margin-top:2px}
.progress-wrap{display:flex;align-items:center;gap:10px;flex:1}
.progress{height:8px;flex:1;background:#263142;border-radius:999px;overflow:hidden}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--coral));transition:width .3s ease;border-radius:inherit}
.progress-label{min-width:64px;text-align:right;font-size:12px;color:#c9d1dc;font-weight:850}
.top-actions{display:flex;gap:8px}
.ghost,.navbtn,.text-btn{
  border:1px solid #3a485d;
  background:transparent;
  color:#e5eaf1;
  border-radius:13px;
  padding:10px 13px;
  font-weight:850;
  font-size:13px;
}
.ghost:hover,.navbtn:hover,.text-btn:hover{background:#202b3a}
.navbtn:disabled{opacity:.34;cursor:default}
.text-btn{border-color:transparent;color:#b8c2cf;text-decoration:none}

/* shared */
.wrap{max-width:var(--max);margin:auto;padding:48px 22px 92px}
.eyebrow{font:900 12px/1.2 Arial,sans-serif;letter-spacing:.15em;color:var(--cyan)}
.primary{
  border:0;
  border-radius:16px;
  padding:15px 22px;
  color:#111722;
  background:var(--coral);
  font-weight:950;
  font-size:16px;
  box-shadow:0 12px 28px rgba(255,118,111,.22);
  transition:transform .16s ease,box-shadow .16s ease;
}
.primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,118,111,.25)}
.primary.cyan{background:var(--cyan);box-shadow:0 12px 28px rgba(89,212,232,.18)}
.primary.lime{background:var(--lime);box-shadow:0 12px 28px rgba(186,243,107,.15)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  min-height:34px;padding:7px 11px;border-radius:999px;
  background:#1b2635;border:1px solid #35445a;
  color:#e5ebf2;font-size:12px;font-weight:850;
}
.chip.coral{background:rgba(255,118,111,.12);border-color:rgba(255,118,111,.38);color:#ffc1bd}
.chip.cyan{background:rgba(89,212,232,.12);border-color:rgba(89,212,232,.38);color:#bef4fb}
.chip.lime{background:rgba(186,243,107,.12);border-color:rgba(186,243,107,.36);color:#e2ffae}
.chip.violet{background:rgba(146,121,255,.13);border-color:rgba(146,121,255,.37);color:#d8d0ff}
.chip.gold{background:rgba(255,212,108,.12);border-color:rgba(255,212,108,.36);color:#ffe8a4}

/* home */
.hero{
  min-height:670px;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  margin:15px 0 20px;
  max-width:710px;
  font-size:clamp(45px,5.7vw,73px);
  line-height:1.04;
  letter-spacing:-.066em;
  word-break:keep-all;
}
.hero h1 em{display:block;font-style:normal;color:var(--coral)}
.hero-lead{max-width:650px;margin:0;color:#c2ccd8;font-size:18px;line-height:1.72;word-break:keep-all}
.home-points{display:flex;flex-wrap:wrap;gap:9px;margin:26px 0 31px}
.home-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.teacher-link{color:#b9c4d1;font-size:13px;font-weight:800;padding:12px 8px;text-underline-offset:4px}
.student-form{
  max-width:650px;margin-top:27px;padding:20px;border:1px solid rgba(255,255,255,.13);border-radius:22px;
  background:rgba(23,33,49,.84);box-shadow:0 18px 45px rgba(0,0,0,.18)
}
.student-form-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:15px}
.student-form-head strong{font-size:18px}
.student-form-head span{color:#8f9daf;font-size:11px}
.student-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.student-fields label{display:grid;gap:7px;color:#dce4ed;font-size:12px;font-weight:900}
.student-fields input,.student-fields textarea{
  width:100%;border:1px solid #3b4a60;border-radius:13px;background:#111927;color:#fff;
  padding:12px 13px;caret-color:var(--cyan);resize:vertical
}
.student-fields input{min-height:46px}
.student-fields input::placeholder,.student-fields textarea::placeholder{color:#738196}
.student-fields input:focus,.student-fields textarea:focus{border-color:var(--cyan)}
.student-advice{grid-column:1/-1;position:relative}
.student-advice small{justify-self:end;color:#7f8da0;font-size:10px;font-weight:700;margin-top:-3px}
.student-advice small b{color:#b8c4d1}
.start-submit{width:100%;margin-top:15px}
.privacy-note{margin:11px 2px 0;color:#8e9bad;font-size:10px;line-height:1.55;word-break:keep-all}
.privacy-note strong{color:#b8c6d5}
.easy-note{
  margin-top:22px;max-width:590px;
  padding:15px 17px;border:1px solid rgba(255,255,255,.09);border-radius:17px;
  background:rgba(255,255,255,.04);color:#aeb9c6;font-size:13px;line-height:1.6;
}
.hero-map{position:relative;min-height:520px;display:grid;place-items:center}
.orbit{position:absolute;border:1px solid rgba(255,255,255,.15);border-radius:50%}
.orbit.o1{width:470px;height:470px}
.orbit.o2{width:340px;height:340px;border-style:dashed}
.planet{
  position:absolute;border-radius:50%;display:grid;place-items:center;text-align:center;
  color:#121823;font-weight:950;line-height:1.17;
  box-shadow:0 14px 35px rgba(0,0,0,.34);
}
.planet.main{width:166px;height:166px;background:linear-gradient(145deg,var(--coral),#ffb27c);font-size:24px}
.planet.p1{width:98px;height:98px;background:var(--cyan);top:44px;right:42px;font-size:13px}
.planet.p2{width:92px;height:92px;background:var(--lime);bottom:68px;left:16px;font-size:13px}
.planet.p3{width:84px;height:84px;background:var(--violet);color:#fff;top:124px;left:-2px;font-size:12px}
.planet.p4{width:78px;height:78px;background:var(--gold);bottom:58px;right:48px;font-size:12px}
.hero-note{
  position:absolute;right:3px;bottom:-2px;width:325px;
  background:var(--paper);color:var(--ink);
  border-radius:19px;padding:19px 20px;box-shadow:var(--shadow);transform:rotate(-2deg)
}
.hero-note strong{display:block;font-size:16px;margin-bottom:7px}
.hero-note p{margin:0;color:#4e5865;font-size:12px;line-height:1.58}

/* question screens */
.chapter-head{max-width:820px;margin:0 auto 24px;text-align:center}
.chapter-head h2{
  margin:12px 0 9px;
  font-size:clamp(30px,4vw,48px);line-height:1.16;letter-spacing:-.05em;word-break:keep-all
}
.chapter-head p{margin:0;color:#acb7c5;font-size:15px;line-height:1.6;word-break:keep-all}
.question-card{
  max-width:900px;margin:0 auto;
  padding:30px;
  border:1px solid #344257;border-radius:var(--radius);
  background:rgba(23,33,49,.97);box-shadow:var(--shadow)
}
.q-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px;color:#a8b3c1;font-size:12px;font-weight:850}
.q-tag{display:inline-flex;align-items:center;gap:7px;min-height:34px;padding:7px 12px;border-radius:999px;background:var(--cyan);color:#111722;font-weight:950}
.q-count{white-space:nowrap}
.axis-intro{display:flex;align-items:center;gap:17px;margin-bottom:24px}
.axis-icon{
  flex:0 0 auto;width:68px;height:68px;border-radius:21px;
  display:grid;place-items:center;background:#222e3e;border:1px solid #3b4b61;font-size:32px
}
.axis-copy h3{margin:0 0 6px;font-size:clamp(24px,3vw,34px);line-height:1.25;word-break:keep-all}
.axis-copy p{margin:0;color:#a9b5c4;font-size:14px;line-height:1.58;word-break:keep-all}
.prompt{
  margin:22px 0 18px;padding-top:21px;border-top:1px solid rgba(255,255,255,.08);
  font-size:18px;font-weight:900;color:#eef2f7
}
.option-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.option{
  min-height:104px;padding:17px 18px;border-radius:18px;
  border:1px solid #3b4a60;background:#1b2636;color:#edf2f7;
  display:flex;gap:13px;align-items:flex-start;text-align:left;transition:.16s ease
}
.option:hover{border-color:var(--cyan);transform:translateY(-2px);background:#202d3f}
.option.selected{border-color:var(--cyan);background:rgba(89,212,232,.14);box-shadow:0 9px 24px rgba(89,212,232,.12)}
.option > .option-icon{
  flex:0 0 auto;width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  padding:0;background:#2b384a;color:#dce6ef;font-weight:950;font-size:13px;line-height:1;text-align:center
}
.option.selected .option-icon{background:var(--cyan);color:#111722}
.option strong{display:block;font-size:16px;line-height:1.3;margin:2px 0 5px;word-break:keep-all}
.option span{display:block;color:#9facbc;font-size:12px;line-height:1.5;word-break:keep-all}
.option.selected span{color:#cceaf0}
.scale-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
.scale-grid .option{min-height:150px;padding:15px;flex-direction:column;align-items:flex-start;gap:11px}
.scale-grid .option > .option-icon{width:40px;height:40px;border-radius:13px;font-size:16px}
.scale-grid .option strong{font-size:14px}
.scale-grid .option span{font-size:11px}
.nav{max-width:900px;margin:18px auto 0;display:flex;justify-content:space-between;align-items:center;gap:14px}
.nav-right{display:flex;gap:10px;align-items:center}
.screen-hint{max-width:900px;margin:13px auto 0;text-align:center;color:#8895a6;font-size:11px;line-height:1.5}

/* reason */
.reason-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.reason{
  min-height:112px;padding:18px;border:1px solid #3a495d;border-radius:18px;
  background:#1b2635;color:#edf2f7;text-align:left;transition:.16s
}
.reason:hover{border-color:var(--gold);transform:translateY(-2px)}
.reason.selected{border-color:var(--gold);background:rgba(255,212,108,.13)}
.reason strong{display:block;font-size:16px;margin-bottom:7px}
.reason span{display:block;color:#a8b4c2;font-size:12px;line-height:1.55}
.reason.selected span{color:#ece1bb}

/* result */
.result-page{background:var(--paper);color:var(--ink);min-height:100vh}
.result-wrap{max-width:var(--max);margin:auto;padding:38px 22px 96px}
.result-hero{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;
  min-height:430px;padding:38px;border-radius:30px;
  color:#fff;background:linear-gradient(135deg,#171f2a,#111721 62%,#211a33);
  border:1px solid #354257;box-shadow:0 24px 65px rgba(19,28,43,.25)
}
.result-hero:before{content:"";position:absolute;inset:0;opacity:.17;background-image:radial-gradient(circle,rgba(255,255,255,.8) 0 1px,transparent 1.4px);background-size:74px 74px}
.result-copy,.constellation{position:relative;z-index:2}
.result-kicker{font:900 12px/1 Arial,sans-serif;letter-spacing:.14em;color:#b9f1f8}
.result-title{margin:15px 0 16px;font-size:clamp(39px,4.7vw,60px);line-height:1.08;letter-spacing:-.056em;word-break:keep-all}
.result-title em{font-style:normal;color:var(--coral)}
.result-summary{margin:0;max-width:620px;color:#c7d0dc;font-size:16px;line-height:1.75;word-break:keep-all}
.result-tags{margin-top:21px}
.constellation{min-height:345px;position:relative}
.constellation:before,.constellation:after{content:"";position:absolute;inset:34px;border:1px solid rgba(255,255,255,.18);border-radius:50%}
.constellation:after{inset:89px;border-style:dashed;opacity:.72}
.constellation-line{position:absolute;height:1px;background:#64738b;transform-origin:left center;opacity:.75}
.constellation-line.l1{left:49%;top:48%;width:39%;transform:rotate(-35deg)}
.constellation-line.l2{left:27%;top:61%;width:31%;transform:rotate(-148deg)}
.result-node{
  position:absolute;border-radius:50%;display:grid;place-items:center;text-align:center;
  padding:12px;color:#111722;font-weight:950;line-height:1.2;box-shadow:0 15px 35px rgba(0,0,0,.35)
}
.result-node.main{width:162px;height:162px;left:42%;top:43%;transform:translate(-50%,-50%);font-size:18px}
.result-node.second{width:104px;height:104px;right:4%;top:10%;font-size:12px}
.result-node.third{width:100px;height:100px;left:2%;bottom:4%;font-size:12px}
.result-node.axis{width:72px;height:72px;right:8%;bottom:8%;font-size:11px;color:#fff;background:#6f5af1}
.section-title{margin:42px 0 16px}
.section-title h2{margin:0 0 7px;font-size:29px;letter-spacing:-.045em}
.section-title p{margin:0;color:#687381;font-size:14px;line-height:1.55}
.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.role-card{
  position:relative;overflow:hidden;
  min-height:345px;padding:23px;border-radius:23px;background:#fff;border:1px solid #dfe3e8;box-shadow:var(--soft-shadow)
}
.role-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:7px;background:var(--role-color)}
.role-rank{font:900 11px/1 Arial,sans-serif;letter-spacing:.12em;color:#7a8491}
.role-card h3{margin:18px 0 8px;font-size:24px;line-height:1.23;letter-spacing:-.04em;word-break:keep-all}
.role-card p{margin:0;color:#5f6a77;font-size:13px;line-height:1.62;word-break:keep-all}
.role-chips{display:flex;flex-wrap:wrap;gap:6px;margin:17px 0}
.role-chip{padding:6px 8px;border-radius:999px;background:#f1f3f5;color:#46505c;font-size:10px;font-weight:850}
.role-proof{margin-top:16px;padding:14px;border-radius:15px;background:#f6f3eb;color:#505966;font-size:12px;line-height:1.55}
.role-proof strong{display:block;color:#151b24;margin-bottom:4px}

.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.result-card{padding:24px;border-radius:23px;background:#fff;border:1px solid #dfe3e8;box-shadow:var(--soft-shadow)}
.result-card.dark{background:#182231;color:#fff;border-color:#26354a}
.result-card h3{margin:0 0 7px;font-size:22px;letter-spacing:-.035em}
.result-card .sub{margin:0 0 19px;color:#6a7582;font-size:13px;line-height:1.55}
.result-card.dark .sub{color:#a9b5c3}
.insights{display:grid;gap:11px}
.insight{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:16px;background:#f5f6f7}
.insight i{flex:0 0 auto;width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:#182231;color:#fff;font-style:normal;font-size:12px;font-weight:950}
.insight strong{display:block;font-size:14px;margin-bottom:4px}
.insight span{display:block;color:#66717e;font-size:12px;line-height:1.55;word-break:keep-all}
.axis-list{display:grid;gap:10px}
.axis-row{display:grid;grid-template-columns:64px 1fr 50px;gap:10px;align-items:center}
.axis-row .axis-name{font-size:12px;font-weight:900}
.bar{height:10px;border-radius:999px;background:#e6e8eb;overflow:hidden}
.bar i{display:block;height:100%;border-radius:inherit;background:var(--bar-color)}
.axis-level{font-size:11px;font-weight:900;color:#65707d;text-align:right}
.work-summary{display:grid;gap:10px}
.work-line{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 13px;border:1px solid #314158;border-radius:15px;background:#1d2a3a}
.work-line span{color:#c6cfda;font-size:12px}
.work-line b{font-size:12px;color:#fff;text-align:right}
.details-toggle{
  width:100%;margin-top:16px;padding:14px;border-radius:15px;border:1px solid #d8dde3;background:#f6f7f8;color:#25303c;font-weight:900
}
.detail-panel{margin-top:14px;padding-top:16px;border-top:1px solid #e2e5e8}
.evidence-list{display:grid;gap:8px}
.evidence-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid #eceff1;font-size:12px}
.evidence-row:last-child{border-bottom:0}
.evidence-row b{font-weight:900}
.evidence-row span{color:#687381;text-align:right}
.quest{
  margin-top:18px;padding:25px 27px;border-radius:24px;
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  background:#182231;color:#fff;box-shadow:var(--soft-shadow)
}
.quest-icon{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:var(--lime);color:#111722;font-size:27px;font-weight:950}
.quest h3{margin:0 0 5px;font-size:21px}
.quest p{margin:0;color:#bac4d1;font-size:13px;line-height:1.55}
.quest b{font-size:16px;color:#eaffc8;text-align:right;max-width:350px;line-height:1.45}
.retry-card{
  margin-top:18px;padding:24px 26px;border-radius:24px;
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  background:linear-gradient(135deg,#fff4e6,#eefbff 58%,#f5efff);
  border:1px solid #e5d9cc;box-shadow:var(--soft-shadow)
}
.retry-icon{
  width:58px;height:58px;border-radius:19px;display:grid;place-items:center;
  background:#172131;color:var(--cyan);font-size:29px;font-weight:950
}
.retry-kicker{font:900 11px/1 Arial,sans-serif;letter-spacing:.12em;color:#687585;margin-bottom:7px}
.retry-copy h2{margin:0 0 8px;font-size:23px;line-height:1.28;letter-spacing:-.04em;word-break:keep-all}
.retry-copy p{margin:0;max-width:720px;color:#596572;font-size:13px;line-height:1.65;word-break:keep-all}
.retry-actions{display:flex;flex-direction:column;gap:8px;min-width:170px}
.retry-actions .primary{font-size:14px;padding:13px 16px}
.retry-link{
  display:flex;align-items:center;justify-content:center;min-height:42px;padding:10px 13px;
  border:1px solid #cbd3dc;border-radius:13px;background:#fff;color:#26313d;
  text-decoration:none;font-size:12px;font-weight:900
}
.retry-link:hover{background:#f6f8fa;border-color:#aeb9c5}
.assignment{
  margin-top:18px;padding:28px;border-radius:25px;
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
  background:linear-gradient(135deg,#fff3e2,#f4e9ff);border:1px solid #eadfd2
}
.assignment h3{margin:0 0 8px;font-size:23px;letter-spacing:-.04em}
.assignment p{margin:0;color:#5f6672;font-size:13px;line-height:1.65;word-break:keep-all}
.assignment .folder{font-size:58px}
.submission-card{
  margin-top:18px;padding:24px 26px;border-radius:24px;
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  background:linear-gradient(135deg,#eafcff,#f3f0ff 58%,#fff4e8);border:1px solid #d8e1e7;box-shadow:var(--soft-shadow)
}
.submission-card.is-success{background:linear-gradient(135deg,#effbe6,#eafcff)}
.submission-card.is-error{background:linear-gradient(135deg,#fff0ee,#fff8e7)}
.submission-mark{width:58px;height:58px;border-radius:19px;display:grid;place-items:center;background:#172131;color:var(--cyan);font-size:27px;font-weight:950}
.submission-card.is-success .submission-mark{background:#2d714e;color:#fff}
.submission-card.is-error .submission-mark{background:#9c4d45;color:#fff}
.submission-kicker{font:900 10px/1 Arial,sans-serif;letter-spacing:.14em;color:#6a7787;margin-bottom:7px}
.submission-copy h3{margin:0 0 7px;font-size:21px;letter-spacing:-.035em}
.submission-copy p{margin:0;color:#5c6876;font-size:12px;line-height:1.55;word-break:keep-all}
.submission-copy .submission-destination{margin-top:7px;color:#344150;font-size:11px;font-weight:900}
.submission-actions{display:flex;flex-direction:column;gap:8px;min-width:132px}
.submission-actions button{padding:11px 13px;font-size:12px}
.dark-ghost{border-color:#bcc7d2!important;color:#2f3a47!important;background:rgba(255,255,255,.72)!important}
.sources{margin-top:18px;padding:22px;border-radius:21px;background:#eceff2}
.sources h3{margin:0 0 7px;font-size:18px}
.sources p{margin:0;color:#6b7580;font-size:12px;line-height:1.55}
.source-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}
.source-links a{padding:8px 10px;border-radius:10px;background:#fff;color:#35404c;text-decoration:none;font-size:11px;font-weight:850;border:1px solid #d9dde2}
.result-actions{position:sticky;bottom:15px;display:flex;justify-content:center;margin-top:24px;z-index:20}
.actionbar{display:flex;gap:9px;padding:9px;border-radius:18px;background:rgba(17,25,39,.92);backdrop-filter:blur(16px);box-shadow:0 16px 40px rgba(0,0,0,.2)}
.actionbar .ghost{color:#fff}

.toast{position:fixed;left:50%;bottom:28px;z-index:100;transform:translate(-50%,20px);opacity:0;pointer-events:none;padding:11px 15px;border-radius:12px;background:#111927;color:#fff;font-size:13px;font-weight:850;box-shadow:0 10px 28px rgba(0,0,0,.28);transition:.2s}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* one-page PDF report rendered off-screen */
.pdf-report{
  position:fixed;left:-10000px;top:0;z-index:-1;width:794px;min-height:1123px;padding:42px 46px 34px;
  background:#f7f5ef;color:#172131;font-family:Pretendard,"Noto Sans KR","Malgun Gothic",sans-serif;
  letter-spacing:-.02em;box-sizing:border-box
}
.pdf-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:17px;border-bottom:2px solid #172131}
.pdf-header span{font:900 9px/1 Arial,sans-serif;letter-spacing:.16em;color:#566372}
.pdf-header h1{margin:6px 0 0;font-size:27px;letter-spacing:-.055em}
.pdf-stamp{width:66px;height:66px;border-radius:50%;display:grid;place-items:center;text-align:center;background:#172131;color:#baf36b;font:900 9px/1.3 Arial,sans-serif;letter-spacing:.1em}
.pdf-student{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:8px;margin:14px 0}
.pdf-student div{padding:10px 12px;border-radius:12px;background:#fff;border:1px solid #dde2e6}
.pdf-student span,.pdf-label{display:block;color:#667383;font-size:9px;font-weight:900;letter-spacing:.04em;margin-bottom:4px}
.pdf-student b{font-size:13px}
.pdf-result-hero{display:grid;grid-template-columns:1fr 210px;gap:20px;align-items:center;padding:21px 23px;border-radius:19px;background:#172131;color:#fff}
.pdf-result-hero h2{margin:4px 0 9px;color:#ff918b;font-size:29px;line-height:1.15;letter-spacing:-.05em}
.pdf-result-hero p{margin:0;color:#c3ceda;font-size:10px;line-height:1.55;word-break:keep-all}
.pdf-result-hero .pdf-label{color:#bceff6}
.pdf-tags{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}
.pdf-tags span{padding:7px 9px;border-radius:999px;background:#263448;border:1px solid #3f5067;color:#e5edf5;font-size:9px;font-weight:900}
.pdf-advice{margin-top:12px;padding:12px 15px;border-radius:14px;background:#fff2df;border:1px solid #eadcc8}
.pdf-advice p{margin:0;color:#4f5b69;font-size:10px;line-height:1.55;word-break:keep-all;white-space:pre-wrap}
.pdf-section{margin-top:15px}
.pdf-section-title{display:flex;align-items:center;gap:8px;margin-bottom:9px}
.pdf-section-title span{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:#172131;color:#fff;font:900 9px/1 Arial,sans-serif}
.pdf-section-title h3{margin:0;font-size:15px;letter-spacing:-.035em}
.pdf-role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.pdf-role{padding:12px 13px;border-radius:13px;background:#fff;border:1px solid #dde2e6;border-top:5px solid var(--pdf-role)}
.pdf-role small{display:block;color:#6c7886;font-size:8px;font-weight:900;margin-bottom:5px}
.pdf-role b{display:block;font-size:13px;margin-bottom:5px}
.pdf-role p{margin:0;color:#64707c;font-size:8px;line-height:1.5;word-break:keep-all}
.pdf-two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pdf-work{display:grid;gap:6px}
.pdf-work div{display:flex;justify-content:space-between;gap:10px;padding:8px 10px;border-radius:9px;background:#fff;border:1px solid #e0e4e7;font-size:8px}
.pdf-work span{color:#6a7580}.pdf-work b{text-align:right}
.pdf-quest{display:grid;gap:4px;margin-top:8px;padding:10px 11px;border-radius:10px;background:#e9fbd4;font-size:8px;line-height:1.4}
.pdf-axis-list{display:grid;gap:6px}
.pdf-axis-row{display:grid;grid-template-columns:44px 1fr 41px;gap:7px;align-items:center;font-size:8px;font-weight:900}
.pdf-axis-bar{height:7px;border-radius:999px;background:#e0e4e7;overflow:hidden}
.pdf-axis-bar i{display:block;height:100%;border-radius:inherit;background:var(--pdf-axis)}
.pdf-axis-row em{font-style:normal;color:#697583;text-align:right}
.pdf-week-two{display:grid;grid-template-columns:240px 1fr;gap:14px;align-items:center;margin-top:14px;padding:12px 14px;border-radius:13px;background:#fff2df;border:1px solid #eadcc8}
.pdf-week-two div{display:grid;gap:4px}
.pdf-week-two span{color:#8a6844;font-size:8px;font-weight:950;letter-spacing:.05em}
.pdf-week-two b{font-size:11px;line-height:1.35}
.pdf-week-two p{margin:0;color:#5d6672;font-size:8px;line-height:1.45;word-break:keep-all}
.pdf-footer{position:absolute;left:46px;right:46px;bottom:28px;display:flex;justify-content:space-between;padding-top:10px;border-top:1px solid #d5dade;color:#6d7883;font-size:8px;font-weight:800}

/* preview gallery */
.preview-body{background:var(--paper);color:var(--ink)}
.preview-top{background:#111927;color:#fff}
.preview-top .wrap{padding-top:48px;padding-bottom:45px}
.preview-top h1{margin:12px 0 14px;font-size:clamp(38px,5vw,65px);line-height:1.08;letter-spacing:-.06em}
.preview-top p{max-width:780px;margin:0;color:#c0cad6;font-size:16px;line-height:1.7}
.preview-summary{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.preview-main{max-width:1280px;margin:auto;padding:34px 22px 90px}
.format-section{
  margin-bottom:16px;padding:27px;border-radius:24px;background:#fff;
  border:1px solid #dfe3e8;box-shadow:var(--soft-shadow)
}
.format-heading h2{margin:9px 0 7px;font-size:29px;letter-spacing:-.045em}
.format-heading p{margin:0;color:#687381;font-size:13px;line-height:1.6}
.format-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px}
.format-step{padding:15px;border-radius:16px;background:#f4f6f8;border:1px solid #e2e6ea}
.format-step i{width:27px;height:27px;border-radius:9px;display:grid;place-items:center;background:#172131;color:#fff;font-style:normal;font-size:11px;font-weight:950;margin-bottom:10px}
.format-step strong{display:block;font-size:14px;margin-bottom:4px}
.format-step span{display:block;color:#697481;font-size:11px;line-height:1.5;word-break:keep-all}
.unknown-preview{
  margin-bottom:16px;padding:22px 24px;border-radius:22px;
  display:grid;grid-template-columns:auto 1fr auto;gap:17px;align-items:center;
  background:linear-gradient(135deg,#fff4e6,#f1ecff);border:1px solid #e7ddd2
}
.unknown-mark{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:#aeb8c6;color:#172131;font-size:26px;font-weight:950}
.unknown-preview h2{margin:7px 0 6px;font-size:22px;letter-spacing:-.035em}
.unknown-preview p{margin:0;color:#596572;font-size:12px;line-height:1.6;word-break:keep-all}
.unknown-preview .demo-link{white-space:nowrap;display:inline-flex;padding:11px 13px;border-radius:12px;background:#172131;color:#fff;text-decoration:none;font-size:12px;font-weight:900}
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.preview-role{
  position:relative;overflow:hidden;min-height:390px;padding:23px;border-radius:23px;background:#fff;border:1px solid #dfe3e8;box-shadow:var(--soft-shadow)
}
.preview-role:before{content:"";position:absolute;left:0;right:0;top:0;height:7px;background:var(--role-color)}
.preview-role .icon{width:45px;height:45px;border-radius:15px;display:grid;place-items:center;margin-top:5px;background:color-mix(in srgb,var(--role-color) 24%,white);font-size:22px;font-weight:950}
.preview-role h2{margin:17px 0 6px;font-size:23px;letter-spacing:-.04em}
.preview-role .alias{font-size:13px;font-weight:900;color:#424d59;margin-bottom:12px}
.preview-role .student{color:#616c79;font-size:12px;line-height:1.64;min-height:78px}
.preview-role .proof{margin:14px 0;padding:13px;border-radius:14px;background:#f6f3eb;color:#58616c;font-size:11px;line-height:1.52}
.preview-role .actions{margin-top:16px}
.preview-role .demo-link{display:inline-flex;padding:10px 12px;border-radius:12px;background:#172131;color:#fff;text-decoration:none;font-size:12px;font-weight:900}
.modifier-section{margin-top:34px;padding:26px;border-radius:24px;background:#172131;color:#fff}
.modifier-section h2{margin:0 0 9px;font-size:27px}
.modifier-section>p{margin:0 0 18px;color:#aeb9c7;font-size:13px;line-height:1.55}
.modifier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}
.modifier{padding:16px;border:1px solid #344459;border-radius:16px;background:#1d2a3b}
.modifier strong{display:block;margin-bottom:6px;font-size:14px}
.modifier span{display:block;color:#aeb9c7;font-size:11px;line-height:1.52}

@media(max-width:900px){
  .brand-copy span{display:none}
  .brand{min-width:auto}
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:30px}
  .hero-map{min-height:500px}
  .result-hero{grid-template-columns:1fr;padding:29px}
  .constellation{min-height:330px}
  .role-grid,.preview-grid{grid-template-columns:1fr 1fr}
  .format-grid{grid-template-columns:repeat(2,1fr)}
  .unknown-preview{grid-template-columns:auto 1fr}
  .unknown-preview .demo-link{grid-column:1/-1;justify-content:center}
  .result-grid{grid-template-columns:1fr}
  .scale-grid{grid-template-columns:1fr 1fr}
  .scale-grid .option{min-height:104px;flex-direction:row;align-items:flex-start}
  .scale-grid .option:last-child{grid-column:1/-1}
  .modifier-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:650px){
  .topbar-inner{padding:9px 12px;min-height:56px}
  .brand-mark{width:34px;height:34px;border-radius:12px}
  .brand-copy{display:none}
  .progress-label{min-width:50px;font-size:10px}
  .top-actions .text-btn{display:none}
  .ghost,.navbtn{padding:9px 10px;font-size:12px}
  .wrap{padding:34px 14px 72px}
  .hero{gap:20px}
  .hero h1{font-size:43px}
  .hero-lead{font-size:15px;line-height:1.68}
  .home-actions{align-items:stretch}
  .home-actions .primary{width:100%}
  .teacher-link{width:100%;text-align:center}
  .student-form{padding:16px}
  .student-form-head{display:grid;gap:4px}
  .student-fields{grid-template-columns:1fr}
  .student-advice{grid-column:auto}
  .hero-map{min-height:400px;transform:scale(.82);margin:-25px -28px -55px}
  .question-card{padding:20px;border-radius:22px}
  .chapter-head h2{font-size:31px}
  .chapter-head p{font-size:13px}
  .axis-intro{align-items:flex-start;gap:13px}
  .axis-icon{width:58px;height:58px;border-radius:18px;font-size:27px}
  .axis-copy h3{font-size:24px}
  .axis-copy p{font-size:12px}
  .option-grid,.reason-grid{grid-template-columns:1fr}
  .scale-grid{grid-template-columns:1fr}
  .scale-grid .option:last-child{grid-column:auto}
  .option{min-height:88px;padding:14px}
  .option strong{font-size:15px}
  .nav{padding:0 2px}
  .nav-right{gap:7px}
  .primary{padding:14px 18px;font-size:15px}
  .result-wrap{padding:20px 12px 80px}
  .result-hero{padding:23px;border-radius:24px}
  .result-title{font-size:38px}
  .result-summary{font-size:14px}
  .constellation{min-height:305px}
  .result-node.main{width:145px;height:145px;left:45%;font-size:16px}
  .result-node.second{width:91px;height:91px;right:1%;font-size:11px}
  .result-node.third{width:88px;height:88px;left:0;font-size:11px}
  .result-node.axis{width:64px;height:64px;right:2%;font-size:10px}
  .role-grid,.preview-grid{grid-template-columns:1fr}
  .role-card{min-height:auto}
  .result-grid{gap:12px}
  .result-card{padding:20px}
  .quest{grid-template-columns:auto 1fr;padding:20px}
  .quest b{grid-column:1/-1;text-align:left}
  .retry-card{grid-template-columns:auto 1fr;padding:20px}
  .retry-actions{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;min-width:0}
  .assignment{grid-template-columns:1fr;padding:22px}
  .assignment .folder{display:none}
  .submission-card{grid-template-columns:auto 1fr;padding:20px}
  .submission-actions{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;min-width:0}
  .actionbar{width:calc(100vw - 24px);justify-content:center;flex-wrap:wrap}
  .actionbar button{flex:1;min-width:92px}
  .preview-main{padding:26px 13px 70px}
  .format-section{padding:20px}
  .format-grid{grid-template-columns:1fr}
  .unknown-preview{grid-template-columns:1fr;padding:20px}
  .unknown-mark{width:46px;height:46px;border-radius:15px}
  .unknown-preview .demo-link{grid-column:auto}
  .modifier-grid{grid-template-columns:1fr}
}
@media print{
  body{background:#fff;color:#111}
  body:before,.topbar,.result-actions,.sources,.submission-card,#pdfReport{display:none!important}
  .screen{display:none!important}
  #resultScreen{display:block!important}
  .result-page{background:#fff}
  .result-wrap{padding:0}
  .result-hero,.role-card,.result-card,.quest,.retry-card,.assignment{box-shadow:none;break-inside:avoid}
  .result-hero{min-height:auto}
}