*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
:root{
  --bg:#ffffff;--bg2:#f5f1e8;--ink:#1a1a1a;--muted:#8a8a8a;--rule:#e0e0e0;
  --yellow:#f5f173;--beige:#c8b89c;--orange:#ee5d31;--green:#5cf94c;--pink:#ff19c4;--pink-l:#ffa3e0;
  --code:#1a1a1a;--code-green:#5cf94c;
  --fh:"Barlow Condensed",sans-serif;--fb:"DM Sans",sans-serif;--fm:"IBM Plex Mono",monospace;
}
html{scroll-behavior:smooth}
body{font-family:var(--fb);background:var(--bg);color:var(--ink);min-height:100vh;display:flex;flex-direction:column;-webkit-text-size-adjust:100%;overflow-x:hidden}
body>*:not(#site-footer){flex-shrink:0}
body>#topbar~*:not(#site-footer):not(#fb-bar):not(.toast):not(.map-tip):not(#hamster-overlay){flex:1 0 auto}
button{font-family:inherit;cursor:pointer;border:none;background:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;transition:all .15s}
button:active{transform:scale(.96)}

/* ────────── PILL BUTTONS (gruppo-due style) ────────── */
.pill{display:inline-flex;align-items:center;justify-content:center;padding:7px 18px;border-radius:99px;font-family:var(--fb);font-weight:500;font-size:14px;line-height:1;border:1px solid transparent;white-space:nowrap;letter-spacing:.2px;color:var(--ink);background:var(--bg);transition:transform .12s, box-shadow .12s}
.pill:hover{transform:translateY(-1px)}
.pill.yellow{background:var(--yellow);border-color:var(--yellow)}
.pill.beige{background:var(--beige);border-color:var(--beige)}
.pill.orange{background:var(--orange);border-color:var(--orange);color:#fff}
.pill.green{background:var(--green);border-color:var(--green)}
.pill.pink{background:var(--pink);border-color:var(--pink);color:#fff}
.pill.outline{background:transparent;border-color:var(--ink)}
.pill.ghost{background:transparent;border-color:var(--rule);color:var(--muted)}
.pill.dark{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.pill.sm{padding:5px 12px;font-size:12px}
.pill.lg{padding:10px 24px;font-size:15px}
.dot{display:inline-block;width:18px;height:18px;border-radius:50%;vertical-align:middle}
.dot.dark{background:#1a1a1a}
.dot.gray{background:#666}
.dot.light{background:#b8b8b8}
.dot.pale{background:#ddd}

/* ════════════════════════════════════════
 * LANDING VIEW
 * ════════════════════════════════════════ */
#landing-view{position:fixed;inset:0;background:var(--bg);z-index:200;display:flex;flex-direction:column;animation:fadeIn .4s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.landing-nav{display:flex;align-items:center;gap:8px;padding:18px 26px;border-bottom:1px solid var(--rule)}
.landing-nav .dots{display:flex;gap:4px;margin-left:8px}
.landing-nav .spacer{flex:1}
.landing-credit{font-family:var(--fm);font-size:10px;color:var(--muted);letter-spacing:.5px}
#site-footer{margin-top:auto;background:var(--bg);color:var(--ink);border-top:1px solid var(--rule);padding:56px 40px 40px;display:grid;grid-template-columns:1.4fr 1.2fr 1.4fr 1.6fr 1.4fr;gap:32px;font-family:var(--fb);font-size:14px;line-height:2}
#site-footer .fcol{display:flex;flex-direction:column;gap:2px}
#site-footer .fcol-title{font-family:var(--fm);font-size:10px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:8px;font-weight:400}
#site-footer a{color:var(--ink);text-decoration:none;display:block;padding:1px 0;transition:color .12s}
#site-footer a::before{content:"→ ";color:var(--ink);margin-right:2px}
#site-footer a:hover{color:var(--pink)}
#site-footer a:hover::before{color:var(--pink)}
#site-footer .copy{font-family:var(--fb);font-size:14px;color:var(--ink);padding:1px 0}
#site-footer .copy small{display:block;font-family:var(--fm);font-size:10px;color:var(--muted);letter-spacing:.4px;line-height:1.7;margin-top:14px}
@media(max-width:900px){#site-footer{grid-template-columns:1fr 1fr;padding:36px 22px;gap:24px;font-size:13px}}
@media(max-width:480px){#site-footer{grid-template-columns:1fr}}
.landing-main{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;cursor:pointer;position:relative;padding:0 24px}
.landing-title{font-family:var(--fh);font-size:clamp(80px,18vw,260px);font-weight:900;line-height:.88;letter-spacing:-3px;text-align:center;user-select:none;color:var(--ink);transition:transform .3s}
.landing-title i{font-style:italic;color:var(--pink)}
.landing-main:hover .landing-title{transform:scale(1.02)}
.landing-sub{margin-top:24px;font-family:var(--fh);font-size:18px;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--muted);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}
.landing-foot{padding:18px 26px;display:flex;justify-content:space-between;align-items:center;font-family:var(--fm);font-size:10px;color:var(--muted);letter-spacing:.5px;border-top:1px solid var(--rule)}
.flying-heart{position:fixed;pointer-events:none;z-index:999;width:32px;height:32px;color:var(--pink);will-change:transform,opacity}
@keyframes heartFly{0%{transform:translate(-50%,-50%) scale(0) rotate(0);opacity:1}15%{transform:translate(calc(-50% + var(--x1)),calc(-50% + var(--y1))) scale(1.3) rotate(var(--r1));opacity:1}100%{transform:translate(calc(-50% + var(--x2)),calc(-50% + var(--y2))) scale(.4) rotate(var(--r2));opacity:0}}

/* ════════════════════════════════════════
 * TOP BAR (shared by map + lesson)
 * ════════════════════════════════════════ */
#topbar{display:none;padding:14px 22px;gap:10px;align-items:center;border-bottom:1px solid var(--rule);background:var(--bg);position:sticky;top:0;z-index:50}
#topbar .spacer{flex:1}
#topbar .stat{font-family:var(--fm);font-size:11px;color:var(--muted);letter-spacing:.5px}
#topbar .stat b{color:var(--ink);font-weight:500}
#topbar .center-pill{display:flex;align-items:center;gap:14px}
.lesson-name-text{font-family:var(--fb);font-size:14px;color:var(--ink);font-weight:500}
/* ── STEP CATERPILLAR (gruppo-due nav style) ── */
#step-dots.cat{padding:2px;gap:2px;border-radius:99px;background:var(--bg);align-items:center}
#step-dots.cat .seg{display:inline-flex;align-items:center;justify-content:center;height:24px;padding:0 12px;border-radius:99px;font-family:var(--fm);font-size:10px;font-weight:500;letter-spacing:.6px;color:var(--muted);background:transparent;white-space:nowrap;user-select:none;transition:background .2s,color .2s,padding .2s}
#step-dots.cat .seg.done{background:var(--ink);color:var(--bg)}
#step-dots.cat .seg.now{background:var(--yellow);color:var(--ink);padding:0 16px}
@media(max-width:640px){#step-dots.cat .seg{padding:0 8px;font-size:9px}#step-dots.cat .seg.now{padding:0 11px}}

/* ════════════════════════════════════════
 * MAP VIEW (pixel art roadmap)
 * ════════════════════════════════════════ */
#map-view{display:none}
.map-intro{padding:30px 26px 16px;text-align:center}
.map-intro h1{font-family:var(--fh);font-size:48px;font-weight:900;letter-spacing:-1px;line-height:1;margin-bottom:8px}
.map-intro h1 i{font-style:italic;color:var(--pink)}
.map-intro p{font-family:var(--fb);font-size:13px;color:var(--muted);max-width:480px;margin:0 auto}
.map-wrap{padding:20px;max-width:900px;margin:0 auto;position:relative}
.map-canvas-box{position:relative;background:#5db5dd;border:3px solid var(--ink);overflow:hidden}
#map-canvas{display:block;image-rendering:pixelated;image-rendering:crisp-edges;width:100%;height:auto;cursor:pointer}
.map-label-overlay{position:absolute;font-family:var(--fb);font-size:11px;font-weight:600;color:var(--ink);letter-spacing:1px;text-transform:uppercase;background:rgba(255,255,255,.7);padding:2px 6px;border-radius:2px;pointer-events:none;backdrop-filter:blur(2px)}
.map-tip{position:fixed;background:var(--ink);color:var(--bg);padding:6px 12px;font-family:var(--fb);font-size:13px;font-weight:600;border-radius:4px;pointer-events:none;z-index:120;display:none;border-left:3px solid var(--pink)}
.map-tip small{display:block;font-family:var(--fm);font-size:9px;color:var(--pink-l);letter-spacing:1px;text-transform:uppercase;margin-bottom:1px;font-weight:400}

/* ════════════════════════════════════════
 * LESSON VIEW (gruppo-due style)
 * ════════════════════════════════════════ */
#lesson-view{display:none;min-height:100vh}
.lesson-layout{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 60px)}
.lesson-sidebar{border-right:1px solid var(--rule);padding:24px 0 40px;position:sticky;top:60px;align-self:start;max-height:calc(100vh - 60px);overflow-y:auto}
.lesson-sidebar a,.lesson-sidebar button{display:block;padding:8px 22px;font-family:var(--fb);font-size:14px;color:var(--ink);text-decoration:none;background:none;border:none;text-align:left;width:100%;border-bottom:1px solid transparent;cursor:pointer}
.lesson-sidebar a:hover,.lesson-sidebar button:hover{color:var(--pink)}
.lesson-sidebar .ls-section{font-family:var(--fm);font-size:9px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;padding:18px 22px 6px;border-top:1px solid var(--rule);margin-top:4px}
.lesson-sidebar .ls-section:first-of-type{border-top:none;margin-top:0;padding-top:0}
.lesson-sidebar .ls-item{padding:6px 22px;display:block;font-size:14px}
.lesson-sidebar .ls-item.active{font-weight:700}
.lesson-sidebar .ls-item.done{color:var(--muted);text-decoration:line-through;text-decoration-thickness:1px}
.lesson-sidebar .ls-item.locked{color:#cccccc;cursor:not-allowed}
.lesson-sidebar .ls-substep{padding:5px 22px 5px 36px;font-size:13px;color:var(--muted);display:block;cursor:pointer}
.lesson-sidebar .ls-substep.active{color:var(--ink);font-weight:600}
.lesson-sidebar .ls-substep.done{color:var(--green);font-weight:600}
.lesson-sidebar .ls-substep::before{content:"→ ";color:var(--rule)}
.lesson-sidebar .ls-substep.active::before{color:var(--ink)}
.lesson-sidebar .ls-substep.done::before{content:"✓ ";color:var(--green)}
.lesson-sidebar .ls-foot{margin-top:24px;padding:18px 22px;font-family:var(--fm);font-size:9px;color:var(--muted);line-height:1.8;letter-spacing:.3px;border-top:1px solid var(--rule)}
.lesson-sidebar .ls-foot a{display:inline;padding:0;font-size:9px;color:var(--muted);text-decoration:underline}
.lesson-sidebar .ls-foot a:hover{color:var(--pink)}

.lesson-main{padding:32px 40px 200px 40px;max-width:880px}
.lesson-title-row{display:flex;align-items:baseline;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.lesson-title-row h1{font-family:var(--fh);font-size:52px;font-weight:900;line-height:1;letter-spacing:-1px}
.lesson-title-row h1 i{font-style:italic;color:var(--pink)}
.lesson-title-row .chapter-num{font-family:var(--fm);font-size:11px;color:var(--muted);letter-spacing:2px;text-transform:uppercase}

/* Two column layout (for concept step) */
.two-col{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;margin-bottom:32px}
.col-label{font-family:var(--fm);font-size:9px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:14px}
.col-text{font-size:15px;line-height:1.65}
.col-text p{margin-bottom:14px}
.col-text strong{font-weight:600}
.concept-grid{display:flex;flex-direction:column;gap:14px}
.concept-row{display:flex;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--rule)}
.concept-row:last-child{border-bottom:none}
.concept-row .cnum{font-family:var(--fm);font-size:11px;color:var(--pink);font-weight:500;width:24px;flex-shrink:0;padding-top:2px}
.concept-row p{flex:1;font-size:15px;line-height:1.65}

/* CODE display blocks */
.code-display{background:var(--code);padding:20px 22px;margin:18px 0;border-radius:4px;overflow-x:auto;position:relative}
.code-display pre{font-family:var(--fm);font-size:13px;color:#d4e8c8;line-height:1.8;white-space:pre-wrap}
.code-display .run-btn{position:absolute;top:10px;right:10px;background:var(--green);color:var(--ink);font-family:var(--fb);font-size:11px;font-weight:600;letter-spacing:.5px;padding:6px 14px;border-radius:99px}
.code-display .run-btn:hover{background:#7dfb6f}
.out-block{margin:14px 0}
.out-label{font-family:var(--fm);font-size:9px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:6px;display:flex;align-items:center;gap:6px}
.out-label::before{content:"▶";color:var(--green);font-size:8px}
.out-box{background:var(--code);padding:12px 16px;font-family:var(--fm);font-size:13px;color:var(--code-green);min-height:42px;white-space:pre-wrap;word-break:break-all;border-left:2px solid var(--code-green);border-radius:0 3px 3px 0}

/* CodeMirror */
.cm-mount{border:1.5px solid var(--rule);border-radius:4px;margin:14px 0;transition:border-color .15s;overflow:hidden}
.cm-mount:focus-within{border-color:var(--ink)}
.cm-mount .cm-editor{outline:none!important}
.cm-mount .cm-scroller{font-family:"IBM Plex Mono",monospace!important;font-size:13.5px;line-height:1.8;min-height:140px}
.cm-mount .cm-content{padding:14px}

.editor-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;align-items:center}
.hint-box{background:var(--bg2);border-left:3px solid var(--yellow);padding:11px 14px;font-family:var(--fb);font-size:13px;color:var(--ink);margin-top:10px;display:none;line-height:1.6;border-radius:0 4px 4px 0}
.hint-box.show{display:block}

.task-box{background:var(--ink);color:#fff;padding:20px 24px;margin-bottom:18px;border-radius:6px;display:flex;gap:18px;align-items:flex-start}
.task-box .task-num{font-family:var(--fh);font-size:42px;font-weight:900;color:var(--yellow);line-height:.9;flex-shrink:0}
.task-box .task-content{flex:1}
.task-box .task-label{font-family:var(--fm);font-size:9px;color:var(--green);letter-spacing:2.5px;text-transform:uppercase;margin-bottom:6px}
.task-box .task-text{font-size:15px;line-height:1.7;white-space:pre-wrap}

/* Quiz */
.quiz-q{font-family:var(--fh);font-size:32px;font-weight:700;line-height:1.25;margin-bottom:24px;white-space:pre-wrap;letter-spacing:-.3px}
.quiz-opts{display:flex;flex-direction:column;gap:10px;max-width:600px}
.quiz-opt{background:var(--bg);color:var(--ink);border:1.5px solid var(--rule);padding:16px 22px;text-align:left;font-family:var(--fh);font-size:20px;font-weight:600;letter-spacing:.3px;border-radius:99px;transition:.12s}
.quiz-opt:hover:not(:disabled){background:var(--ink);color:#fff;border-color:var(--ink)}
.quiz-opt.correct{background:var(--green);color:var(--ink);border-color:var(--green)}
.quiz-opt.wrong{background:var(--orange);color:#fff;border-color:var(--orange)}
.quiz-exp{margin-top:18px;padding:16px 20px;border-left:3px solid var(--pink);background:var(--bg2);font-size:14px;color:var(--ink);line-height:1.7;display:none;border-radius:0 6px 6px 0;max-width:600px}
.quiz-exp.show{display:block}

.action-row{display:flex;justify-content:flex-end;gap:10px;margin-top:24px;flex-wrap:wrap}

/* Complete screen */
.complete-block{display:none;text-align:center;padding:60px 20px}
.complete-block .cc-pre{font-family:var(--fm);font-size:11px;color:var(--green);letter-spacing:3px;text-transform:uppercase;margin-bottom:14px;font-weight:500}
.complete-block .cc-title{font-family:var(--fh);font-size:84px;font-weight:900;letter-spacing:-2px;line-height:.9;margin-bottom:14px}
.complete-block .cc-title i{font-style:italic;color:var(--pink)}
.complete-block .cc-xp{font-family:var(--fm);font-size:14px;color:var(--orange);letter-spacing:1px;margin-bottom:30px}
.complete-block .cc-msg{font-size:15px;color:var(--muted);margin-bottom:36px;line-height:1.6;max-width:480px;margin-left:auto;margin-right:auto}
.complete-block .cc-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ────────── HAMSTER OVERLAY ────────── */
#hamster-overlay{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:30;display:none}
#hamster-overlay.show{display:block}
.stage-badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--fm);font-size:10px;color:var(--muted);letter-spacing:.5px;padding:4px 10px;border:1px solid var(--rule);border-radius:99px;white-space:nowrap}
.stage-badge b{color:var(--ink);font-weight:500;letter-spacing:.3px}
.stage-badge::before{content:"";display:inline-block;width:8px;height:8px;background:var(--pink);border-radius:50%}

/* ────────── FEEDBACK BAR ────────── */
#fb-bar{position:fixed;bottom:0;left:0;right:0;z-index:200;display:none;animation:fbUp .25s ease}
@keyframes fbUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
#fb-bar.fb-ok{background:var(--green)}
#fb-bar.fb-err{background:var(--orange)}
.fb-inner{max-width:880px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:16px 24px}
.fb-icon{font-family:var(--fh);font-size:28px;font-weight:900;color:var(--ink);flex-shrink:0;min-width:36px}
.fb-err .fb-icon{color:#fff}
.fb-text{flex:1}
.fb-text h3{font-family:var(--fh);font-size:22px;font-weight:800;color:var(--ink)}
.fb-err .fb-text h3{color:#fff}
.fb-text p{font-size:12px;color:rgba(0,0,0,.65);margin-top:2px;white-space:pre-wrap;line-height:1.5}
.fb-err .fb-text p{color:rgba(255,255,255,.85)}
.fb-cta{background:var(--ink);color:#fff;font-family:var(--fh);font-size:14px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:10px 22px;border-radius:99px;flex-shrink:0}

/* ────────── TOAST ────────── */
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:11px 22px;font-family:var(--fb);font-size:14px;font-weight:600;border-radius:99px;z-index:600;animation:toastIn .3s;pointer-events:none;box-shadow:0 4px 20px rgba(0,0,0,.2)}
.toast .ti{color:var(--pink);margin-right:8px}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(14px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* ────────── MOBILE ────────── */
@media(max-width:900px){
  .lesson-layout{grid-template-columns:1fr}
  .lesson-sidebar{position:relative;top:auto;max-height:none;border-right:none;border-bottom:1px solid var(--rule);padding:14px 0}
  .lesson-sidebar a,.lesson-sidebar button{padding:6px 18px}
  .lesson-main{padding:24px 18px 220px 18px}
  .two-col{grid-template-columns:1fr;gap:24px}
  .lesson-title-row h1{font-size:36px}
  .quiz-q{font-size:24px}
  .quiz-opt{font-size:16px;padding:13px 18px}
  .complete-block .cc-title{font-size:54px}
  #hamster-overlay{width:120px;height:120px;bottom:10px;right:10px}
  .stage-badge .sp{display:none}
  .landing-nav{padding:14px 16px;flex-wrap:wrap}
  .landing-title{font-size:clamp(60px,22vw,140px)}
  .landing-sub{font-size:14px;letter-spacing:2px}
  .map-intro h1{font-size:32px}
  .map-wrap{padding:10px}
  .intro-card{padding:24px 20px 32px;border-radius:12px 12px 0 0}
  .intro-title{font-size:30px}
}

/* ── 챕터 인트로 카드 ── */
#chapter-intro{position:fixed;inset:0;z-index:150;display:none}
.intro-overlay{position:absolute;inset:0;background:rgba(0,0,0,.45);backdrop-filter:blur(2px);animation:fadeIn .2s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.intro-card{position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:min(560px,92vw);background:var(--bg);border-radius:16px 16px 0 0;padding:32px 36px 40px;border-top:3px solid var(--rule);animation:slideUp .3s cubic-bezier(0.16,1,0.3,1)}
@keyframes slideUp{from{transform:translateX(-50%) translateY(100%)}to{transform:translateX(-50%) translateY(0)}}
.intro-ch{font-family:var(--fm);font-size:10px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}
.intro-title{font-family:var(--fh);font-size:42px;font-weight:900;letter-spacing:-1px;line-height:1;margin-bottom:16px;color:var(--ink)}
.intro-title i{font-style:italic;color:var(--pink)}
.intro-obj-label,.intro-concepts-label{font-family:var(--fm);font-size:9px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:6px}
.intro-obj{font-size:14px;line-height:1.6;margin-bottom:16px;color:var(--ink)}
.intro-concepts{padding-left:0;margin-bottom:24px;list-style:none;display:flex;flex-direction:column;gap:6px}
.intro-concepts li{font-size:14px;color:var(--ink);line-height:1.5;padding:8px 14px;background:var(--bg2);border-left:3px solid var(--green);border-radius:0 4px 4px 0}
.intro-concepts li::before{content:'→ ';color:var(--green);font-weight:600}
.intro-actions{display:flex;gap:10px;justify-content:flex-end}
/* 집 입장 오버레이 */
#enter-overlay{position:fixed;inset:0;z-index:300;background:var(--bg);display:none;align-items:center;justify-content:center;flex-direction:column;gap:16px}
#enter-overlay .enter-label{font-family:var(--fm);font-size:12px;color:var(--muted);letter-spacing:2px;text-transform:uppercase}

/* ════════════════════════════════════════
 * 페이지 진입 애니메이션 (@starting-style, stagger 0.1s)
 * 주요 블록이 아래에서 위로 fade-in
 * ════════════════════════════════════════ */
#landing-view .landing-nav,
#landing-view .landing-main,
#landing-view .landing-foot{
  transition:opacity .6s ease, transform .6s ease;
}
@starting-style{
  #landing-view .landing-nav,
  #landing-view .landing-main,
  #landing-view .landing-foot{ opacity:0; transform:translateY(24px); }
}
#landing-view .landing-nav { transition-delay:0s; }
#landing-view .landing-main{ transition-delay:.1s; }
#landing-view .landing-foot{ transition-delay:.2s; }

/* 모션 최소화 선호 시 진입 애니메이션 비활성화 */
@media (prefers-reduced-motion: reduce){
  #landing-view .landing-nav,
  #landing-view .landing-main,
  #landing-view .landing-foot{ transition:none; }
}

/* ── View Transition ── */
@keyframes vt-slide-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes vt-slide-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-8px); }
}
::view-transition-old(lesson-main) {
  animation: vt-slide-out 0.2s ease forwards;
}
::view-transition-new(lesson-main) {
  animation: vt-slide-in 0.25s ease forwards;
}
::view-transition-old(lesson-title),
::view-transition-new(lesson-title) {
  animation-duration: 0.2s;
}
::view-transition-old(root) {
  animation: vt-slide-out 0.25s ease forwards;
}
::view-transition-new(root) {
  animation: vt-slide-in 0.3s ease forwards;
}

/* ── 해바라기 + 태양 커서 ── */
body { cursor: none; }

#sun-cursor {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  width: 0; height: 0;
  animation: sun-pulse 2.4s ease-in-out infinite;
}
@keyframes sun-pulse {
  0%,100% { filter: drop-shadow(0 0 4px rgba(245,200,66,0.6)); }
  50%      { filter: drop-shadow(0 0 10px rgba(245,200,66,0.9)); }
}
@keyframes ray-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
#sun-rays {
  transform-origin: 22px 22px;
  animation: ray-spin 8s linear infinite;
}
/* 클릭(누르는 동안) 태양 커서 주황빛 */
#sun-cursor svg rect,
#sun-cursor svg circle { transition: fill .12s ease; }
#sun-cursor.clicking svg rect   { fill: #f59a3c; }
#sun-cursor.clicking svg circle { fill: #ee5d31; }
#sun-cursor.clicking { filter: drop-shadow(0 0 12px rgba(238,93,49,0.9)) !important; }

/* ════ LEVEL TEST ════ */
#level-test-view{
  min-height:calc(100vh - 56px);
  padding:48px 24px 80px;
  background:var(--bg);
}
.lt-shell{
  max-width:720px;margin:0 auto;
}
.lt-eyebrow{
  font-family:var(--fm);font-size:10px;color:var(--orange);
  letter-spacing:3px;text-transform:uppercase;margin-bottom:10px;
}
.lt-title{
  font-family:var(--fh);font-size:48px;font-weight:900;
  letter-spacing:-1px;line-height:1;margin-bottom:8px;
}
.lt-title i{font-style:italic;color:var(--pink)}
.lt-sub{font-size:14px;color:var(--muted);margin-bottom:28px;line-height:1.6}

.lt-progress{
  display:flex;align-items:center;gap:14px;
  font-family:var(--fm);font-size:12px;color:var(--muted);
  margin-bottom:30px;
}
.lt-progress b{color:var(--ink);font-weight:600}
.lt-bar{
  flex:1;height:6px;background:var(--rule);border-radius:99px;overflow:hidden;
}
.lt-bar-fill{
  height:100%;width:0%;background:var(--orange);
  transition:width .3s cubic-bezier(0.16,1,0.3,1);
}

.lt-question{
  font-family:var(--fb);font-size:18px;color:var(--ink);
  line-height:1.6;margin-bottom:24px;
  background:var(--bg2);border-left:3px solid var(--ink);
  padding:18px 22px;border-radius:0 8px 8px 0;
  white-space:pre-wrap;font-weight:500;
}
.lt-q-num{
  font-family:var(--fm);font-size:11px;color:var(--muted);
  letter-spacing:2px;margin-bottom:6px;
}

.lt-opts{display:flex;flex-direction:column;gap:10px;margin-bottom:32px}
.lt-opt{
  text-align:left;padding:14px 18px;font-family:var(--fb);font-size:15px;
  background:var(--bg);color:var(--ink);
  border:1.5px solid var(--rule);border-radius:10px;
  cursor:pointer;transition:all .15s;line-height:1.5;
}
.lt-opt:hover{border-color:var(--ink);transform:translateY(-1px)}
.lt-opt.selected{
  border-color:var(--orange);background:#fff4ec;
  box-shadow:0 0 0 3px rgba(238,93,49,.12);
}

.lt-actions{display:flex;gap:10px;justify-content:space-between;align-items:center}

/* 결과 오버레이 */
.lt-result{
  position:fixed;inset:0;z-index:550;
  background:rgba(26,26,26,.6);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;
  animation:fadeIn .25s;
}
.lt-result-card{
  width:min(440px,92vw);background:var(--bg);
  border-radius:14px;padding:36px 32px;text-align:center;
  border:1px solid var(--rule);
  box-shadow:0 20px 60px rgba(0,0,0,.25);
  animation:slideUp .35s cubic-bezier(0.16,1,0.3,1);
}
.lt-result-eyebrow{
  font-family:var(--fm);font-size:10px;letter-spacing:3px;
  color:var(--muted);text-transform:uppercase;margin-bottom:10px;
}
.lt-result-eyebrow.pass{color:var(--green)}
.lt-result-eyebrow.fail{color:var(--orange)}
.lt-result-title{
  font-family:var(--fh);font-size:60px;font-weight:900;
  letter-spacing:-1px;line-height:1;margin-bottom:14px;
}
.lt-result-title i{font-style:italic;color:var(--muted);font-weight:600}
.lt-result-msg{
  font-size:14px;color:var(--muted);line-height:1.6;margin-bottom:24px;
}
.lt-result-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}

/* 잠긴 페이즈 버튼 시각 */
.pill.ghost[data-phase]:not(.unlocked){opacity:.55}
.pill.ghost[data-phase].unlocked{
  background:var(--green);border-color:var(--green);color:var(--ink);opacity:1;
}

/* 맵 안 phase 액션 (레벨 테스트 진입 등) */
#phase-actions{margin-top:14px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
#phase-actions:empty{display:none}

/* ── 텍스트 드래그 = 형광펜(형광 노랑), 안의 글자는 잉크색으로 가독 확보 ── */
::selection      { background: #fff34d; color: var(--ink); text-shadow: none; }
::-moz-selection { background: #fff34d; color: var(--ink); text-shadow: none; }

/* ════ HAMPY ALERT SYSTEM ════ */
.pn-toast{
  position:fixed;bottom:32px;left:50%;
  transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;
  padding:11px 20px 11px 14px;
  border-radius:99px;z-index:700;
  pointer-events:none;display:flex;
  align-items:center;gap:10px;
  opacity:0;white-space:nowrap;
  box-shadow:0 4px 24px rgba(0,0,0,.18);
  transition:opacity .22s,transform .22s cubic-bezier(0.16,1,0.3,1);
  font-family:var(--fb);font-size:14px;font-weight:500;
}
.pn-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.pn-toast .t-icon{
  width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;flex-shrink:0;
}
.pn-toast.warn .t-icon{background:var(--yellow);color:var(--ink)}
.pn-toast.ok   .t-icon{background:var(--green);color:var(--ink)}
.pn-toast.info .t-icon{background:var(--beige);color:var(--ink)}

.pn-overlay{
  position:fixed;inset:0;z-index:500;
  background:rgba(26,26,26,.55);backdrop-filter:blur(3px);
  display:none;align-items:flex-end;justify-content:center;
}
.pn-overlay.show{display:flex;animation:fadeIn .2s}
.pn-sheet{
  width:min(480px,92vw);background:var(--bg);
  border-radius:16px 16px 0 0;
  padding:28px 28px 36px;border-top:2px solid var(--rule);
  animation:slideUp .3s cubic-bezier(0.16,1,0.3,1);
}
.pn-handle{
  width:36px;height:4px;background:var(--rule);
  border-radius:99px;margin:0 auto 24px;
}
.pn-eyebrow{
  font-family:var(--fm);font-size:9px;color:var(--muted);
  letter-spacing:2px;text-transform:uppercase;margin-bottom:8px;
}
.pn-title{
  font-family:var(--fh);font-size:34px;font-weight:900;
  letter-spacing:-.5px;line-height:1;margin-bottom:16px;
}
.pn-title i{font-style:italic;color:var(--pink)}
.pn-title.danger i{color:var(--orange)}
.pn-body{font-size:14px;color:var(--muted);line-height:1.65}
.pn-body dl{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin-top:12px}
.pn-body dt{font-family:var(--fm);font-size:10px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;padding-top:2px}
.pn-body dd{font-size:14px;color:var(--ink)}
.pn-body .pn-divider{grid-column:1/3;height:1px;background:var(--rule);margin:4px 0}
.pn-actions{display:flex;gap:8px;justify-content:flex-end}
.danger-strip{
  background:var(--bg2);border-left:3px solid var(--orange);
  padding:10px 14px;border-radius:0 6px 6px 0;
  font-size:13px;color:var(--ink);margin-bottom:20px;line-height:1.5;
}
.danger-strip b{color:var(--orange)}
.danger-strip code{
  font-family:var(--fm);font-size:12px;
  background:rgba(0,0,0,.06);padding:1px 5px;border-radius:3px;
}
.pn-inline-warn{
  display:none;align-items:center;gap:10px;
  background:var(--yellow);border-radius:8px;
  padding:10px 14px;margin-top:10px;
  font-size:13px;font-weight:500;color:var(--ink);
}
.pn-inline-warn.show{
  display:flex;
  animation:warnPop .2s cubic-bezier(0.16,1,0.3,1);
}
.pn-inline-warn .w-icon{
  font-family:var(--fh);font-size:20px;font-weight:900;flex-shrink:0;
}
@keyframes warnPop{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}