:root{color-scheme:light;--space-3xs: 2px;--space-2xs: 4px;--space-xs: 8px;--space-sm: 12px;--space-md: 16px;--space-lg: 24px;--space-xl: 40px;--space-2xl: 64px;--space-3xl: 96px;--space-4xl: 144px;--text-xs: .75rem;--text-sm: .875rem;--text-md: 1rem;--text-lg: 1.2rem;--text-xl: 1.44rem;--text-2xl: 1.728rem;--text-3xl: 2.074rem;--text-display-s: 1.44rem;--text-display: 1.728rem;--text-section: 1.2rem;--text-title: 1rem;--text-lead: 1rem;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in: cubic-bezier(.7, 0, .84, 0);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--dur-micro: .12s;--dur-short: .22s;--dur-long: .42s;--color-error: oklch(48% .18 27);--color-error-wash: oklch(96% .025 27);--color-success: oklch(45% .12 150);--color-warning: oklch(48% .105 72);--color-warning-wash: oklch(96% .035 78);--container: 1440px;--gutter: 64px;--gap-columns: 32px;--section-gap-s: 120px;--section-gap: 144px;--section-gap-l: 176px;--z-base: 1;--z-raised: 10;--z-dropdown: 100;--z-sticky: 200;--z-sticky-nav: 300;--z-modal: 400;--z-toast: 500;--z-tooltip: 600;--color-paper: oklch(98.6% .005 250);--color-paper-2: oklch(96.2% .008 252);--color-paper-3: oklch(93% .011 252);--color-ink: oklch(21% .028 262);--color-ink-2: oklch(36% .022 260);--color-muted: oklch(50% .018 258);--color-rule: oklch(90% .009 252);--color-rule-2: oklch(83% .012 252);--color-graphite: oklch(21% .024 262);--color-graphite-2: oklch(26.5% .026 262);--color-graphite-ink: oklch(93% .01 250);--color-graphite-muted: oklch(69% .022 256);--color-accent: oklch(52% .19 258);--color-accent-2: oklch(76% .13 254);--color-accent-wash: oklch(95% .028 256);--color-accent-ink: oklch(98.6% .005 250);--color-focus: oklch(52% .19 258);--color-accent-deep: oklch(43% .2 262);--color-accent-edge: oklch(39% .16 260);--color-glyph-1: oklch(89% .025 254);--color-glyph-2: oklch(81% .045 255);--color-glyph-3: oklch(70% .085 256);--color-glyph-4: oklch(60% .13 257);--color-graphite-glyph-1: oklch(33% .03 262);--color-graphite-glyph-2: oklch(41% .05 260);--color-graphite-glyph-3: oklch(53% .1 258);--color-key-face: oklch(99.4% .003 250);--color-key-edge: oklch(80% .016 254);--font-display: "Pretendard", "Noto Sans KR", system-ui, sans-serif;--font-body: "Pretendard", "Noto Sans KR", system-ui, sans-serif;--font-outlier: "D2Coding", "Noto Sans Mono CJK KR", ui-monospace, monospace;--radius-card: 8px;--radius-input: 6px;--radius-pill: 999px;--cell-w: 8px;--cell-h: 16px;--cut: 8px;--cut-l: 16px;--rule-hair: 1px;--shadow-card: 0 1px 2px oklch(21% .028 262 / .06);--shadow-key: 0 3px 0 0 var(--color-key-edge), 0 6px 8px -4px oklch(21% .028 262 / .28), inset 0 1px 0 oklch(100% 0 0 / .9);--shadow-key-accent: 0 3px 0 0 var(--color-accent-edge), 0 6px 8px -4px oklch(30% .12 260 / .45), inset 0 1px 0 oklch(100% 0 0 / .22);--shadow-key-press: inset 0 1px 2px oklch(21% .028 262 / .14);--tracking-display: -.028em;--display-weight: 600}*,*:before,*:after{box-sizing:border-box}html,body{overflow-x:clip}html{scrollbar-color:var(--color-muted) var(--color-paper);scroll-padding-top:var(--space-3xl)}body{margin:0;background:var(--color-paper);color:var(--color-ink);font-family:var(--font-body);font-size:var(--text-md);line-height:1.55;-webkit-font-smoothing:antialiased;caret-color:var(--color-accent)}::selection{background:color-mix(in oklab,var(--color-accent) 22%,transparent);color:var(--color-ink)}:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.16em}h1,h2,h3{margin:0;font-family:var(--font-display);font-weight:var(--display-weight, 700);font-synthesis:none;letter-spacing:var(--tracking-display);line-height:1.05;overflow-wrap:break-word;min-width:0;text-wrap:balance}h1{max-width:20ch;font-size:var(--text-display)}h2{max-width:30ch;font-size:var(--text-section)}h3{max-width:40ch;font-size:var(--text-title);line-height:1.2}.lead{font-size:var(--text-lead);line-height:1.45;max-width:52ch}p{margin:0;text-wrap:pretty}p:not([class]){max-width:65ch}img,video{max-width:100%;height:auto;display:block}svg{display:block}[hidden]{display:none!important}button,input,select,textarea{font:inherit}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter);box-sizing:border-box}.num,.figure,td.num{font-variant-numeric:tabular-nums}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}[data-slot]{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--color-paper-2, var(--color-paper)),var(--color-paper-3, var(--color-paper)))}[data-slot]>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}[data-slot]:has(>img)>:not(img):not([data-keep]){display:none!important}@media(max-width:60rem){:root{--gutter: 24px;--section-gap-s: 80px;--section-gap: 96px;--section-gap-l: 120px}}@media(max-width:40rem){:root{--gutter: 16px;--section-gap-s: 56px;--section-gap: 72px;--section-gap-l: 96px;--gap-columns: 16px}}@media(prefers-reduced-motion:reduce){*:not(.keep-motion),*:not(.keep-motion):before,*:not(.keep-motion):after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}[data-slot]:has(>img){isolation:isolate;background:var(--color-paper);outline:1px solid color-mix(in oklab,var(--color-ink) 8%,transparent);outline-offset:-1px}[data-slot]>img{z-index:0;filter:grayscale(1) contrast(1.08);mix-blend-mode:multiply}[data-slot]:has(>img):before{content:"";position:absolute;inset:0;z-index:1;background:var(--color-graphite);mix-blend-mode:lighten;pointer-events:none}html{scroll-behavior:smooth}body{min-width:320px}button{color:inherit}button,label,summary,select{-webkit-tap-highlight-color:transparent}input,select,textarea{width:100%;min-height:40px;border:1px solid var(--color-muted);border-radius:var(--radius-input);outline:2px solid transparent;outline-offset:-3px;background:var(--color-paper);color:var(--color-ink)}input,select{padding:0 var(--space-sm)}textarea{min-height:7rem;padding:var(--space-sm);resize:vertical;line-height:1.55}input:hover,select:hover,textarea:hover{background:var(--color-paper-2)}input:focus-visible,select:focus-visible,textarea:focus-visible{border-color:var(--color-ink-2);outline-color:var(--color-focus)}input:disabled,select:disabled,textarea:disabled,button:disabled{opacity:.55;cursor:not-allowed}input[type=checkbox],input[type=radio]{width:18px;min-height:18px;height:18px;padding:0;accent-color:var(--color-accent);flex:0 0 auto}code{font-family:var(--font-outlier);font-variant-numeric:tabular-nums}fieldset{min-width:0;margin:0;padding:0;border:0}legend{margin-bottom:var(--space-sm);padding:0;font-weight:600}summary{min-height:44px;padding-block:var(--space-sm);cursor:pointer;font-weight:600}summary:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.shell{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}.sr-only{position:absolute;width:1px;height:1px;overflow:clip;clip-path:inset(50%);white-space:nowrap}.skip-link{position:fixed;top:var(--space-sm);left:var(--space-sm);z-index:var(--z-tooltip);padding:var(--space-sm) var(--space-md);transform:translateY(-200%);background:var(--color-graphite);color:var(--color-graphite-ink)}.skip-link:focus-visible{transform:translateY(0)}.topbar{border-bottom:1px solid var(--color-rule);background:var(--color-paper)}.topbar__inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg)}.brand{display:flex;align-items:baseline;gap:var(--space-sm);min-width:0}.brand strong{font-family:var(--font-display);font-size:var(--text-lg)}.brand span,.privacy-status{color:var(--color-muted);font-size:var(--text-sm)}.privacy-status{max-width:34rem;text-align:right}.privacy-banner{border-bottom:1px solid var(--color-rule);background:var(--color-warning-wash);color:var(--color-warning);font-size:var(--text-sm)}.privacy-banner .shell{padding-block:var(--space-xs)}.app-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(22rem,2fr);gap:var(--gap-columns);align-items:start;padding-block:var(--space-xl) var(--space-3xl)}.editor{min-width:0}.editor__heading{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-lg);margin-bottom:var(--space-lg)}.editor__heading h1{font-size:var(--text-3xl)}.editor__heading p,.section-heading p{margin-top:var(--space-xs);color:var(--color-muted)}.catalog-version{flex:0 0 auto;padding:var(--space-xs) var(--space-sm);border:1px solid var(--color-rule-2);border-radius:var(--radius-input);color:var(--color-muted);font-size:var(--text-sm)}.activity-picker{padding:var(--space-lg);border:1px solid var(--color-rule-2);border-radius:var(--radius-card);background:var(--color-paper)}.activity-picker h3{font-size:var(--text-xl)}.helper{min-height:1lh;margin-top:var(--space-xs);color:var(--color-muted);font-size:var(--text-sm)}.field-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--space-md);margin-top:var(--space-lg)}.field{display:grid;gap:var(--space-xs);margin-top:var(--space-lg)}.field>label,.metric-row label{font-size:var(--text-sm);font-weight:600}.activity-results{display:grid;gap:var(--space-xs);margin:var(--space-lg) 0;padding:0;list-style:none}.activity-results button{width:100%;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg);padding:var(--space-xs) var(--space-md);border:1px solid var(--color-rule-2);border-radius:var(--radius-input);background:transparent;text-align:left;cursor:pointer;transition:background-color var(--dur-micro) var(--ease-out),transform var(--dur-micro) var(--ease-out)}.activity-results button:hover{background:var(--color-accent-wash);transform:translateY(-1px)}.activity-results button:active{transform:translateY(1px)}.activity-results small{color:var(--color-muted);font-size:var(--text-sm);text-align:right}.empty-state{margin-block:var(--space-lg);padding:var(--space-lg);background:var(--color-paper-2)}.button{min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:0 var(--space-md);border:1px solid var(--color-rule-2);border-radius:var(--radius-input);background:transparent;color:var(--color-ink);font-weight:600;cursor:pointer;box-shadow:0 2px 0 var(--color-key-edge);transition:background-color var(--dur-micro) var(--ease-out),transform var(--dur-micro) var(--ease-out),box-shadow var(--dur-micro) var(--ease-out)}.button:hover:not(:disabled){background:var(--color-paper-2);transform:translateY(-1px)}.button:active:not(:disabled){transform:translateY(2px);box-shadow:var(--shadow-key-press)}.button--primary{border-color:var(--color-accent-edge);background:var(--color-accent);color:var(--color-accent-ink);box-shadow:0 2px 0 var(--color-accent-edge)}.button--primary:hover:not(:disabled){background:var(--color-accent-deep)}.button--quiet{box-shadow:none}.button--danger{border-color:var(--color-error);background:transparent;color:var(--color-error);box-shadow:none}.button--small{min-height:36px;padding-inline:var(--space-sm);font-size:var(--text-sm);box-shadow:none}.text-button{min-height:44px;padding:0;border:0;background:transparent;color:var(--color-accent-deep);text-decoration:underline;text-underline-offset:.2em;cursor:pointer}.text-button:hover{color:var(--color-accent)}.text-button--danger{color:var(--color-error)}.activity-tabs{display:flex;gap:var(--space-xs);overflow-x:auto;padding:var(--space-2xs);background:var(--color-paper-3);border-radius:var(--radius-input)}.activity-tabs button{min-width:9rem;min-height:48px;display:grid;justify-items:start;gap:var(--space-2xs);padding:var(--space-xs) var(--space-sm);border:1px solid transparent;border-radius:var(--radius-input);background:transparent;cursor:pointer}.activity-tabs button span{color:var(--color-muted);font-size:var(--text-sm)}.activity-tabs button[aria-selected=true]{border-color:var(--color-rule-2);background:var(--color-paper)}.activity-tabs .activity-tabs__add{display:flex;align-items:center;justify-content:center;color:var(--color-accent-deep)}.activity-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:var(--space-md) 0 0;border-block:1px solid var(--color-rule)}.activity-summary div{min-width:0;padding:var(--space-sm);border-left:1px solid var(--color-rule)}.activity-summary div:first-child{border-left:0}.activity-summary dt{color:var(--color-muted);font-size:var(--text-sm)}.activity-summary dd{margin:var(--space-2xs) 0 0;overflow-wrap:break-word;font-variant-numeric:tabular-nums}.activity-summary small{display:block;margin-top:var(--space-2xs);color:var(--color-muted)}.activity-actions{display:flex;justify-content:flex-end;gap:var(--space-md)}.activity-editor{margin-top:var(--space-md);border-top:1px solid var(--color-rule-2)}.editor-section{border-bottom:1px solid var(--color-rule-2)}.editor-section__trigger{width:100%;min-height:58px;display:grid;grid-template-columns:2rem minmax(7rem,1fr) minmax(8rem,1fr) auto;align-items:center;gap:var(--space-sm);padding:var(--space-sm) 0;border:0;background:transparent;text-align:left;cursor:pointer}.editor-section__trigger:hover{background:var(--color-paper-2)}.editor-section__number{font-family:var(--font-outlier);color:var(--color-accent-deep);font-variant-numeric:tabular-nums}.editor-section__title{font-weight:700}.editor-section__summary{color:var(--color-muted);font-size:var(--text-sm)}.editor-section__content{padding:var(--space-md) 0 var(--space-xl) calc(2rem + var(--space-sm))}.editor-section__content fieldset+fieldset,.editor-section__content details,.editor-section__content .metrics{margin-top:var(--space-lg)}.section-intro{display:flex;justify-content:space-between;gap:var(--space-lg);margin-bottom:var(--space-lg)}.section-intro p:last-child{color:var(--color-muted);font-size:var(--text-sm)}.required{color:var(--color-error);font-size:var(--text-sm);font-weight:500}.optional{color:var(--color-muted);font-size:var(--text-sm);font-weight:400}.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-xs)}.choice{min-height:52px;display:flex;align-items:flex-start;gap:var(--space-sm);padding:var(--space-sm);border:1px solid var(--color-rule-2);border-radius:var(--radius-input);cursor:pointer}.choice:hover{background:var(--color-paper-2)}.choice:has(input:checked){border-color:var(--color-accent);background:var(--color-accent-wash)}.choice input{margin-top:var(--space-2xs)}.choice span{min-width:0}.choice small{display:block;margin-top:var(--space-2xs);color:var(--color-muted);font-size:var(--text-sm)}.confirmation-row{min-height:52px;display:flex;align-items:center;gap:var(--space-sm);margin-top:var(--space-lg);padding:var(--space-sm);background:var(--color-paper-2);cursor:pointer}.metrics__toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}.metrics__toolbar>span{font-weight:600}.metrics__buttons{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:var(--space-xs)}.metric-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;align-items:end;gap:var(--space-sm);margin-top:var(--space-md);padding:var(--space-md);background:var(--color-paper-2)}.metric-row legend{grid-column:1 / -1}.metric-row label{display:grid;gap:var(--space-xs)}.change-fields{display:grid;gap:var(--space-lg);margin-top:var(--space-lg)}.segmented{display:inline-flex;padding:var(--space-2xs);background:var(--color-paper-3);border-radius:var(--radius-input)}.segmented label{position:relative}.segmented input{position:absolute;opacity:0;width:1px;height:1px;min-height:1px}.segmented span{min-height:40px;display:flex;align-items:center;padding:0 var(--space-md);border-radius:var(--radius-input);cursor:pointer}.segmented input:checked+span{background:var(--color-graphite);color:var(--color-graphite-ink)}.segmented input:focus-visible+span{outline:2px solid var(--color-focus);outline-offset:2px}.session-fields{margin-top:var(--space-xl);padding-top:var(--space-xl);border-top:2px solid var(--color-ink)}.section-heading h2{font-size:var(--text-xl)}.inline-input{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-xs)}.tag-list{display:flex;flex-wrap:wrap;gap:var(--space-xs);margin:var(--space-sm) 0 0;padding:0;list-style:none}.tag-list li{display:flex;align-items:center;gap:var(--space-xs);padding-left:var(--space-sm);border:1px solid var(--color-rule-2);border-radius:var(--radius-pill)}.tag-list button{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--color-error);cursor:pointer}.preview-shell{position:sticky;top:var(--space-lg);min-width:0}.preview-mobile-toggle{display:none}.preview{min-width:0;padding:var(--space-lg);border:1px solid var(--color-rule-2);border-radius:var(--radius-card);background:var(--color-paper);box-shadow:var(--shadow-card)}.preview__header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-md)}.preview__header p{margin-top:var(--space-xs);color:var(--color-muted);font-size:var(--text-sm)}.style-switcher{flex:0 0 auto}.style-switcher legend{font-size:var(--text-sm);color:var(--color-muted)}.style-switcher label{min-height:40px;display:inline-flex;align-items:center;gap:var(--space-xs);padding:0 var(--space-sm);border:1px solid var(--color-rule-2);cursor:pointer}.style-switcher label+label{border-left:0}.style-switcher input{width:18px;min-height:18px;height:18px}.style-switcher span{display:inline-flex;align-items:center}.style-switcher label:has(input:checked){background:var(--color-graphite);color:var(--color-graphite-ink)}.note-editor{min-height:21rem;margin-top:var(--space-lg);background:var(--color-graphite);color:var(--color-graphite-ink);border-color:var(--color-graphite-2);font-family:var(--font-body);line-height:1.65}.note-editor:hover{background:var(--color-graphite-2)}.note-editor::placeholder{color:var(--color-graphite-muted)}.notice{margin-top:var(--space-md);padding:var(--space-sm);border:1px solid var(--color-warning);background:var(--color-warning-wash);color:var(--color-warning)}.validation-summary{max-height:16rem;overflow:auto;margin-top:var(--space-md);padding:var(--space-md);background:var(--color-paper-2)}.validation-summary h3+ul{margin-top:var(--space-xs)}.validation-summary h3:not(:first-child){margin-top:var(--space-md)}.validation-summary ul{margin-bottom:0;padding-left:var(--space-lg)}.validation-summary li+li{margin-top:var(--space-xs)}.validation-summary button{padding:0;border:0;background:transparent;color:var(--color-error);text-align:left;text-decoration:underline;cursor:pointer}.approval{margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--color-rule)}.approval label{display:flex;align-items:flex-start;gap:var(--space-sm);cursor:pointer}.approval p{margin-top:var(--space-xs);color:var(--color-muted);font-size:var(--text-sm)}.preview__actions{display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--space-sm);margin-top:var(--space-md)}.copy-status{min-height:2.8rem;padding-top:var(--space-xs);color:var(--color-muted);font-size:var(--text-sm)}.clipboard-note{margin-top:var(--space-md);color:var(--color-muted);font-size:var(--text-sm)}.dialog{position:fixed;inset:0;width:min(32rem,calc(100% - 2 * var(--gutter)));max-height:min(80dvh,40rem);margin:auto;padding:var(--space-lg);border:1px solid var(--color-rule-2);border-radius:var(--radius-card);background:var(--color-paper);color:var(--color-ink)}.dialog::backdrop{background:color-mix(in oklab,var(--color-graphite) 65%,transparent)}.dialog p{margin-top:var(--space-md);color:var(--color-ink-2)}.dialog__actions{display:flex;justify-content:flex-end;gap:var(--space-sm);margin-top:var(--space-lg)}@media(max-width:68rem){.app-layout{grid-template-columns:minmax(0,1fr)}.preview-shell{position:static}.preview-mobile-toggle{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xs);padding:var(--space-sm) var(--space-md);border:1px solid var(--color-rule-2);border-radius:var(--radius-input);background:var(--color-paper-2)}.note-editor{min-height:16rem}}@media(max-width:48rem){.topbar__inner,.editor__heading,.preview__header,.section-intro{align-items:flex-start;flex-direction:column}.privacy-status{text-align:left}.field-row,.choice-grid,.activity-summary{grid-template-columns:minmax(0,1fr)}.activity-summary div{border-left:0;border-top:1px solid var(--color-rule)}.activity-summary div:first-child{border-top:0}.editor-section__trigger{grid-template-columns:2rem minmax(0,1fr) auto}.editor-section__summary{grid-column:2}.editor-section__content{padding-left:0}.metric-row{grid-template-columns:minmax(0,1fr)}.metrics__toolbar{align-items:flex-start;flex-direction:column}.metrics__buttons{justify-content:flex-start}.style-switcher{width:100%}.style-switcher span{justify-content:center}.preview__actions{position:sticky;bottom:0;z-index:var(--z-sticky);margin-inline:calc(-1 * var(--space-lg));padding:var(--space-sm) var(--space-lg);background:var(--color-paper);border-top:1px solid var(--color-rule)}}@media(hover:hover){.button:hover:not(:disabled),.activity-results button:hover,.choice:hover,.editor-section__trigger:hover{transition-duration:var(--dur-micro)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.activity-results button{transition:background-color var(--dur-micro) linear}}