@media print{@page{size:A4 portrait;margin:14mm}html,body{background:#fff!important;color:#000!important}.app-header,.progress-steps,.screen-footer,.no-print,.modal-backdrop{display:none!important}.screen{box-shadow:none!important;border:none!important;padding:0!important}.report-row{page-break-inside:avoid}}:root{--color-bg: #eff6ff;--color-surface: #ffffff;--color-ink: #0f172a;--color-ink-soft: #475569;--color-brand: #2563eb;--color-brand-dark: #1d4ed8;--color-brand-soft: #dbeafe;--color-accent: #f59e0b;--color-accent-ink: #422006;--color-pink: #db2777;--color-pink-soft: #fce7f3;--color-danger: #b42318;--color-ok: #15803d;--color-border: #bfdbfe;--color-focus: #1d4ed8;--piece-ones-bg: #2563eb;--piece-ones-ink: #ffffff;--piece-tenths-bg: #fcd34d;--piece-tenths-ink: #422006;--piece-hundredths-bg: #f9a8d4;--piece-hundredths-ink: #500724;--font-body: 17px;--leading: 1.6;--radius: 18px;--radius-small: 10px;--shadow: 0 8px 0 rgba(37, 99, 235, .1), 0 16px 32px rgba(15, 23, 42, .08);--shadow-small: 0 3px 0 rgba(15, 23, 42, .08), 0 8px 18px rgba(15, 23, 42, .06);--focus-ring: 3px solid var(--color-focus);--motion-fast: .15s;--motion-standard: .22s}.app-root.large-text{font-size:1.25rem}.app-root.reduce-motion *,.app-root.reduce-motion *:before,.app-root.reduce-motion *:after{animation:none!important;transition:none!important}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--color-bg);color:var(--color-ink);font-family:Noto Sans KR,Apple SD Gothic Neo,sans-serif;font-size:var(--font-body);line-height:var(--leading);overflow-x:hidden}button,a{touch-action:manipulation}button{font:inherit}.app-root{width:min(100% - 32px,1120px);min-height:100dvh;margin:0 auto;padding:0 0 56px}.skip-link{position:fixed;top:8px;left:8px;z-index:100;padding:10px 14px;border-radius:var(--radius-small);background:var(--color-ink);color:#fff;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible,h1:focus,h2:focus,.modal-card:focus{outline:var(--focus-ring);outline-offset:3px}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0 16px}.brand-lockup{min-width:0}.app-brand{margin:0;color:var(--color-brand);font-size:1.12rem;font-weight:800;letter-spacing:-.03em}.brand-caption{display:block;color:var(--color-ink-soft);font-size:.78rem;font-weight:600}.app-header-tools,.accessibility-toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.action-button{min-width:44px;min-height:44px;padding:9px 16px;border:2px solid transparent;border-radius:var(--radius-small);color:var(--color-brand);background:var(--color-surface);box-shadow:var(--shadow-small);cursor:pointer;font-weight:750;transition:background var(--motion-standard) ease,color var(--motion-standard) ease,box-shadow var(--motion-standard) ease,transform var(--motion-fast) ease}.action-button:hover{transform:translateY(-2px);box-shadow:0 5px #0f172a1a,0 11px 20px #0f172a14}.action-button:active{transform:translateY(1px) scale(.98);box-shadow:0 1px #0f172a1f}.action-button:focus-visible{border-color:var(--color-focus)}.action-button--primary{background:var(--color-brand);color:#fff}.action-button--primary:hover{background:var(--color-brand-dark)}.action-button--secondary{border-color:var(--color-border)}.action-button:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}.progress-steps{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:10px;border:1px solid var(--color-border);border-radius:var(--radius);background:#ffffffc7;box-shadow:var(--shadow-small)}.progress-steps li{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:4px 8px;border-radius:var(--radius-small);color:var(--color-ink-soft);font-size:.84rem;white-space:nowrap}.progress-steps li[aria-current=step]{background:var(--color-brand-soft);color:var(--color-brand-dark);font-weight:800}.progress-marker{display:grid;place-items:center;width:26px;height:26px;border-radius:8px;background:var(--color-surface);color:var(--color-brand);font-size:.72rem;font-variant-numeric:tabular-nums}.progress-intro-summary{display:none;margin:6px 0 0;color:var(--color-ink-soft);font-size:.82rem}main{min-width:0}.progress-wrap{min-width:0}.screen{margin-top:20px;padding:clamp(20px,4vw,48px);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);box-shadow:var(--shadow)}.screen h1,.screen h2,.screen h3{text-wrap:balance}.screen h1{margin:0;color:var(--color-ink);font-size:clamp(2rem,5vw,3.35rem);line-height:1.08;letter-spacing:-.055em;scroll-margin-top:24px}.screen h1:focus{border-radius:6px}.screen h2{margin:0;font-size:clamp(1.35rem,3vw,2rem);line-height:1.2;letter-spacing:-.04em}.screen p{max-width:70ch}.eyebrow{margin:0 0 8px;color:var(--color-pink);font-size:.76rem;font-weight:800;letter-spacing:.06em}.lead{margin:18px 0 0;max-width:34rem;font-size:clamp(1.05rem,2vw,1.25rem);font-weight:650;line-height:1.55}.notice{margin:0;padding:12px 14px;border-left:5px solid var(--color-accent);border-radius:var(--radius-small);background:#fff7dd}.notice strong{color:var(--color-accent-ink)}.screen-footer{display:flex;gap:12px;margin-top:28px;padding-top:20px;border-top:1px solid var(--color-border)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:16px;background:#0f172a7a}.modal-card{width:min(100%,560px);max-height:min(80dvh,720px);overflow:auto;padding:24px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);box-shadow:var(--shadow)}.modal-card:focus{outline:var(--focus-ring)}.modal-head{display:flex;align-items:start;justify-content:space-between;gap:16px}.modal-head h2{margin:0}.modal-body{margin-top:20px}.update-list{margin:0;padding-left:20px}.update-date{margin:8px 0 2px;font-weight:700}@media(min-width:768px){.app-header{padding-top:28px}.progress-steps{padding:12px}.progress-steps li{flex:1 1 auto;justify-content:center}}@media(min-width:1024px){.app-root{width:min(100% - 64px,1120px)}}@media(max-width:600px){.app-header{align-items:flex-start;flex-direction:column}.app-header-tools{width:100%}.accessibility-toolbar{flex:1 1 100%}.app-header-tools .action-button{flex:1 1 auto}.screen{margin-top:14px;padding:20px 16px 28px}}@media(max-width:375px){.app-root{width:min(100% - 24px,1120px)}.action-button{padding-inline:12px}.progress-steps li{flex:1 1 calc(50% - 8px)}}@media(max-width:600px){.progress-steps--intro li:not([aria-current=step]){display:none}.progress-steps--intro+.progress-intro-summary{display:block}}.entrance-hero{display:grid;gap:28px;align-items:center}.entrance-copy{min-width:0}.entrance-action{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px}.entrance-action p{margin:0;color:var(--color-ink-soft);font-size:.9rem}.entrance-figure{margin:0;min-width:0}.entrance-illustration{display:block;width:100%;height:auto;aspect-ratio:1200 / 630;object-fit:cover;border:3px solid var(--color-brand-soft);border-radius:var(--radius);box-shadow:var(--shadow-small)}.entrance-figure figcaption{margin-top:8px;color:var(--color-ink-soft);font-size:.86rem}.entrance-panels{display:grid;gap:16px;margin-top:32px}.info-card{padding:22px;border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-small)}.info-card--learning{background:#f5f9ff}.info-card--missions{background:var(--color-pink-soft);border-color:#f9a8d4}.info-card ul{margin:16px 0 0;padding-left:22px}.info-card li+li{margin-top:8px}.section-heading-inline{display:flex;align-items:start;justify-content:space-between;gap:12px}.mission-count{flex:none;padding:5px 9px;border-radius:8px;background:var(--color-pink);color:#fff;font-size:.82rem;font-weight:800}.info-card ol{display:grid;gap:7px;margin:18px 0 0;padding:0;list-style:none}.info-card ol li{display:grid;grid-template-columns:30px 1fr;gap:8px;align-items:start;padding:8px 0;border-top:1px solid rgba(219,39,119,.2)}.info-card ol li span{color:var(--color-pink);font-size:.78rem;font-weight:800;font-variant-numeric:tabular-nums}.entrance-notices{display:grid;gap:10px;margin-top:24px}.workbench-heading-row{display:flex;align-items:start;justify-content:space-between;gap:18px}.mission-title{margin:12px 0 0;color:var(--color-ink-soft);font-weight:700}.station-status{flex:none;padding:8px 10px;border:1px solid var(--color-border);border-radius:8px;background:#f5f9ff;color:var(--color-brand-dark);font-size:.8rem;font-weight:800}.station-prompt{margin:28px 0 0;padding:16px;border-left:6px solid var(--color-accent);border-radius:var(--radius-small);background:#fff7dd;font-size:1.08rem;font-weight:700}.prompt-label{display:block;margin-bottom:3px;color:var(--color-accent-ink);font-size:.76rem;letter-spacing:.04em}.station-body{display:flex;flex-direction:column;align-items:stretch;gap:20px;margin-top:24px}.station-body>.action-button--primary{align-self:flex-start;min-width:150px}.place-boxes{display:flex;flex-wrap:wrap;gap:12px;width:100%}.place-box{min-width:120px;min-height:100px;padding:12px;border:2px dashed var(--color-brand);border-radius:var(--radius-small);background:var(--color-brand-soft)}.place-box--ones{background:#e0ecff;border-color:var(--color-brand)}.place-box--tenths{background:#fff7dd;border-color:var(--color-accent)}.place-box--hundredths{background:var(--color-pink-soft);border-color:var(--color-pink)}.place-box-label,.piece-tray-label{margin:0 0 10px;color:var(--color-ink-soft);font-size:.82rem;font-weight:800}.place-box-pieces,.piece-tray{display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px}.place-box-empty,.piece-tray-empty{color:var(--color-ink-soft);font-size:.88rem}.piece-holder{display:inline-grid;place-items:center;min-width:44px;min-height:44px;padding:3px;border:2px solid transparent;border-radius:8px;background:transparent;cursor:pointer;transition:transform var(--motion-fast) ease,background var(--motion-fast) ease,border-color var(--motion-fast) ease}.piece-holder:hover{transform:translateY(-2px);background:#ffffffb8}.piece-holder:active{transform:translateY(1px) scale(.97)}.piece-holder--selected{border-color:var(--color-focus);background:#fff;box-shadow:0 0 0 3px var(--color-brand-soft)}.piece{display:inline-flex;align-items:center;justify-content:center;border:2px solid currentColor;border-radius:6px;font-weight:800;-webkit-user-select:none;user-select:none}.piece--ones{width:52px;height:52px;background:var(--piece-ones-bg);color:var(--piece-ones-ink);font-size:1.2em}.piece--tenths{width:30px;height:46px;background:repeating-linear-gradient(45deg,var(--piece-tenths-bg),var(--piece-tenths-bg) 4px,#fff3b0 4px,#fff3b0 8px);color:var(--piece-tenths-ink);font-size:.75em}.piece--hundredths{width:28px;height:28px;background:repeating-linear-gradient(0deg,var(--piece-hundredths-bg),var(--piece-hundredths-bg) 3px,#fbcfe8 3px,#fbcfe8 6px);color:var(--piece-hundredths-ink);font-size:.58em}.piece-tray{min-height:96px;padding:14px;border:2px solid var(--color-accent);border-radius:var(--radius-small);background:#fffdf5}.piece-tray-label{width:100%}.place-targets,.phase-options,.relation-options,.evidence-options{display:flex;flex-wrap:wrap;gap:10px}.notation-choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:10px;width:100%}.notation-card{display:flex;min-height:68px;align-items:center;justify-content:space-between;gap:8px;text-align:left}.notation-card--selected,.action-button[aria-pressed=true]{border-color:var(--color-brand);background:var(--color-brand-soft);color:var(--color-brand-dark);box-shadow:0 0 0 3px #2563eb24}.notation-display,.model-display{font-size:1.3rem;font-weight:800;font-variant-numeric:tabular-nums}.selected-badge{display:block;color:var(--color-brand-dark);font-size:.75rem;font-weight:800}.selection-counter{margin:0;color:var(--color-brand-dark);font-weight:800;font-variant-numeric:tabular-nums}.exchange-input{width:100%;padding:16px;border:1px solid var(--color-border);border-radius:var(--radius);background:#f8fbff}.exchange-input-heading{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-bottom:14px}.exchange-input .eyebrow{margin-bottom:4px}.selection-goal{flex:none;padding:5px 9px;border-radius:8px;background:var(--color-accent);color:var(--color-accent-ink);font-size:.78rem;font-weight:800}.exchange-diagram{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;width:100%;padding:16px;border:1px solid var(--color-border);border-radius:var(--radius);background:#f8fbff}.exchange-snapshot{min-width:0;padding:12px;border-radius:var(--radius-small)}.exchange-snapshot--before{background:#fff7dd}.exchange-snapshot--after{background:var(--color-brand-soft)}.snapshot-label{margin:0;color:var(--color-ink-soft);font-size:.82rem;font-weight:800}.snapshot-box{min-height:88px;margin-top:8px;padding:8px;border:2px dashed currentColor;border-radius:var(--radius-small)}.snapshot-box-label{display:block;margin-bottom:6px;color:var(--color-ink-soft);font-size:.74rem;font-weight:800}.snapshot-pieces{display:flex;flex-wrap:wrap;align-items:end;gap:5px;min-height:48px}.snapshot-value{display:block;margin-top:10px;font-size:.88rem;font-variant-numeric:tabular-nums}.exchange-arrow{color:var(--color-pink);font-size:1.8rem;font-weight:900}.compare-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.model-card{min-width:0;padding:14px;border:1px solid var(--color-border);border-radius:var(--radius-small);background:#f8fbff}.model-card .place-boxes{gap:8px}.model-card .place-box{min-width:0;flex:1 1 80px}.model-display{margin:14px 0 0;color:var(--color-brand-dark)}.relation-options .action-button,.evidence-options .action-button{flex:1 1 180px;text-align:left}.choice-section{display:grid;gap:10px}.choice-section-label{margin:0;color:var(--color-ink-soft);font-size:1rem;letter-spacing:-.02em}.evidence-option{min-height:56px}.phase-hint{margin:0;color:var(--color-ink-soft);font-size:.9rem}.order-panel{padding:14px;border-left:5px solid var(--color-pink);border-radius:var(--radius-small);background:var(--color-pink-soft)}.pair-summary{margin:0 0 8px;color:#831843;font-weight:800}.order-panel ol{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 12px;padding-left:22px}.order-panel ol li{padding:3px 7px;border-radius:6px;background:#fff;font-variant-numeric:tabular-nums}.feedback{margin-top:24px;padding:22px;border:2px solid var(--color-border);border-radius:var(--radius);background:#f8fbff;box-shadow:var(--shadow-small)}.feedback--ok{border-color:#86efac;background:#f0fdf4}.feedback--retry{border-color:#f9a8d4;background:#fff7fb}.feedback-heading{margin:0;font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.04em;scroll-margin-top:24px}.feedback-preservation{padding:10px 12px;border-radius:8px;background:#fff7dd;font-weight:800;font-variant-numeric:tabular-nums}.feedback-guard{padding:10px 12px;border-radius:8px;background:var(--color-pink-soft)}.feedback-evidence{margin:16px 0 0;padding-left:22px}.feedback-evidence li+li{margin-top:7px}.feedback-actions,.report-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.takeaway-card{margin:24px 0 28px;padding:22px;border:2px solid var(--color-accent);border-radius:var(--radius);background:#fff7dd;box-shadow:var(--shadow-small)}.takeaway-card h2{color:var(--color-accent-ink)}.takeaway-grid{display:grid;gap:10px;margin-top:16px}.takeaway-grid article{display:grid;grid-template-columns:32px 1fr;gap:10px;align-items:start;padding:10px 0;border-top:1px solid rgba(66,32,6,.2)}.takeaway-number{color:var(--color-pink);font-size:.78rem;font-weight:800;font-variant-numeric:tabular-nums}.takeaway-copy{margin:0;font-size:1.08rem;font-weight:800}.next-step{margin:0;padding-top:12px;border-top:1px solid rgba(66,32,6,.2)}.report-list{display:grid;gap:12px;margin:0;padding-left:26px}.report-row{padding:16px;border:1px solid var(--color-border);border-radius:var(--radius-small);background:#f8fbff}.report-row h3{margin:0 0 10px;font-size:1rem}.report-row p{margin:7px 0 0}.report-row strong{font-weight:800}@media(min-width:768px){.entrance-hero{grid-template-columns:minmax(0,.9fr) minmax(320px,1.1fr)}.entrance-panels{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}}@media(max-width:600px){.workbench-heading-row{flex-direction:column}.station-status{align-self:flex-start}.compare-cards,.exchange-diagram{grid-template-columns:1fr}.exchange-arrow{justify-self:center;transform:rotate(90deg)}}@media(max-width:375px){.place-box{min-width:104px;padding:9px}.exchange-diagram{padding:10px}.station-body>.action-button--primary{width:100%}}@keyframes gi-pulse{0%,to{box-shadow:0 0 #2563eb7a}50%{box-shadow:0 0 0 10px #2563eb00}}.gi-pulse{animation:gi-pulse 1.6s ease-in-out infinite}@media(prefers-reduced-motion:reduce){.gi-pulse{animation:none;outline:3px solid var(--color-focus);outline-offset:2px}.gi-pulse:after{content:"필수";display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;background:var(--color-accent);color:var(--color-accent-ink);font-size:.8em;font-weight:800}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.app-root.reduce-motion .gi-pulse{animation:none;outline:3px solid var(--color-focus);outline-offset:2px}.app-root.reduce-motion .gi-pulse:after{content:"필수";display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;background:var(--color-accent);color:var(--color-accent-ink);font-size:.8em;font-weight:800}.app-root.reduce-motion .action-button:hover,.app-root.reduce-motion .action-button:active{transform:none}@media(prefers-reduced-motion:reduce){.action-button:hover,.action-button:active{transform:none}}
