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/* Quiet grey surfaces and an independent dark palette. */
:root{--page:#e8ebed;--surface:#f3f5f6;--control:#edf0f1;--soft:#e6ebea;--ink:#25332e;--muted:#586a62;--line:#ccd4d1;--green:#244d3e;--accent-soft:#dfe8e3;--digit:#293d35;--digit-ink:#eef7f1;--digit-line:#14291f;--panel-shadow:0 8px 28px #20352a08}
html[data-theme=dark]{--page:#171b1f;--surface:#20262c;--control:#282f36;--soft:#292f35;--ink:#e3e9e6;--muted:#abb9b2;--line:#3a4544;--green:#a4cdb8;--accent-soft:#2c4036;--digit:#141b19;--digit-ink:#dcece3;--digit-line:#070b09;--panel-shadow:0 8px 28px #0002;color-scheme:dark}
body{background:var(--page);color:var(--ink)}.site-header{background:var(--surface);border-color:var(--line);gap:18px}.header-caption{margin-right:auto}.brand{color:var(--ink)}.brand-symbol,.text-button{color:var(--green)}.theme-toggle{border:1px solid var(--line);border-radius:7px;padding:9px 12px;background:var(--control);color:var(--ink);font-size:13px;white-space:nowrap;min-height:40px}.theme-toggle:hover{background:var(--soft)}.questionnaire,.result-card,body[data-mode=rumors] .result-card,dialog{background:var(--surface);border-color:var(--line);box-shadow:var(--panel-shadow)}.stepper{background:var(--surface);border-color:var(--line)}.step,.section-symbol,.result-subtitle,.tiny-clock,.field-hint,.step-count span,.empty-message,.site-footer,.intro-description,.intro-meta,.optional{color:var(--muted)}.step-number{border-color:var(--line);background:var(--control);color:var(--muted)}.step.active .step-number,.step.done .step-number{background:var(--accent-soft);color:var(--green);border-color:var(--green)}.field input,.field select{background:var(--control);border-color:var(--line);color:var(--ink)}.field input::placeholder{color:var(--muted);opacity:.75}.field input:focus,.field select:focus{background:var(--surface);border-color:var(--green)}.primary-button{background:#315b49;color:#fff}.primary-button:hover{background:#244c3b}.secondary-button,.mode-result-link,.mode-result-link:hover{background:var(--control);color:var(--green);border-color:var(--line)}.mode-navigation a[aria-current=page],body[data-mode=rumors] .mode-navigation a[aria-current=page]{background:var(--accent-soft);color:var(--green)}.result-footer,.estimate-context{border-color:var(--line)}progress,progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--green)}progress::-moz-progress-bar{background:var(--green)}.input-adjustment{color:var(--green);font-size:13px;line-height:1.8;background:var(--accent-soft);border-radius:6px;padding:12px 14px}.form-error{background:#f0deda;color:#8d312d}html[data-theme=dark] .form-error{background:#442c2e;color:#ffbcb3}.skip-link{background:var(--surface);color:var(--ink)}.group-note,.privacy-consent,.family-summary{background:var(--soft)}.mode-navigation a span{color:var(--green);border-color:var(--line)}.fiction-notice,body[data-mode=rumors] .countdown-caption{background:var(--soft);color:var(--ink);border-color:var(--line)}body[data-mode=rumors]{--green:#655581;--accent-soft:#e1dfea}html[data-theme=dark] body[data-mode=rumors]{--green:#c4b7de;--accent-soft:#393447}body[data-mode=rumors] .result-subtitle,body[data-mode=rumors] .result-heading .eyebrow{color:var(--muted)}.dependent-field{border-left:2px solid var(--line);padding-left:13px}.multi-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.multi-options label{display:flex;align-items:center;gap:9px;font-size:14px;padding:12px;border:1px solid var(--line);background:var(--control);border-radius:7px;margin:0;cursor:pointer;line-height:1.5}.multi-options label:has(input:checked){border-color:var(--green);background:var(--accent-soft)}.multi-options input{width:17px;height:17px;flex:none;accent-color:var(--green);margin:0}.multi-options span{min-width:0}.field-hint{font-size:13px}.family-details{background:var(--surface)}.intro{margin-bottom:28px}.page-shell{padding-top:35px}.intro h1{line-height:1.5}.theme-toggle:focus-visible,.mode-navigation a:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.countdown .flip-number{display:flex;justify-content:center;gap:4px;min-width:0}.countdown .flip-digit{position:relative;display:block;width:.66em;height:1.32em;line-height:1.32;perspective:220px;background:var(--digit);color:var(--digit-ink);border-radius:5px;box-shadow:0 3px 0 #0003;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:clamp(27px,2.7vw,40px);font-weight:600;margin:0;font-variant-numeric:tabular-nums}.countdown .flip-face,.countdown .flip-leaf>span{display:block;color:inherit;font:inherit;line-height:1.32;margin:0;text-align:center}.flip-digit::after{content:'';position:absolute;left:0;right:0;top:50%;height:1px;background:var(--digit-line);box-shadow:0 1px #ffffff08;z-index:8;pointer-events:none}.countdown .flip-leaf{position:absolute;left:0;width:100%;height:50%;overflow:hidden;background:var(--digit);color:var(--digit-ink);margin:0;backface-visibility:hidden;transform-style:preserve-3d;font:inherit;line-height:1.32}.countdown .flip-top{top:0;transform-origin:bottom;border-radius:5px 5px 0 0;z-index:4}.countdown .flip-bottom{bottom:0;transform-origin:top;border-radius:0 0 5px 5px;z-index:5}.countdown .flip-bottom>span{transform:translateY(-50%);height:200%}.countdown .clock-label{font-size:13px;margin-top:12px;color:var(--muted)}.countdown{gap:23px 12px;padding:30px 0 25px}
@media(max-width:800px){.site-header{flex-wrap:wrap;height:auto;min-height:78px;padding-top:15px;padding-bottom:15px;gap:10px}.brand{margin-right:auto}.theme-toggle{font-size:12px;padding:8px 9px}.text-button{font-size:12px}.countdown .flip-digit{font-size:32px}}
@media(max-width:520px){.site-header{padding-left:18px;padding-right:18px}.brand-english{display:none}.brand{font-size:22px;gap:6px}.brand-symbol{font-size:30px}.page-shell{padding-top:26px}.theme-toggle{min-height:38px}.site-header .text-button span{display:none}.countdown .flip-digit{font-size:38px}.result-card{padding:24px}.multi-options{grid-template-columns:1fr}.intro-description{font-size:15px}}

html{background:var(--page)}.countdown .flip-old-bottom{z-index:3}
#life-form{background:var(--surface);border-color:var(--line)}
/* Clinical blue surfaces for the life questionnaire. */
body:not(.rebirth-page){--green:#176ac3;--accent-soft:#dfedfc;--soft:#eaf2fa;--ink:#20364c;--muted:#526b83;--line:#c7d9e9;--digit:#174573;--digit-ink:#f2f8ff;--digit-line:#0a2d51;background:#edf3f8}
html[data-theme=dark] body:not(.rebirth-page){--green:#8ec9ff;--accent-soft:#203d59;--soft:#233446;--ink:#e3effb;--muted:#adc3d9;--line:#3b536b;--digit:#102d49;--digit-ink:#eaf5ff;background:#141f2c}
body:not(.rebirth-page) .primary-button{background:#176ac3;color:white}body:not(.rebirth-page) .primary-button:hover{background:#0c559f}
[hidden]{display:none!important}
.birth-introduction{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:clamp(24px,5vw,56px);max-width:720px;grid-column:1/-1;width:100%;margin:0 auto}
.birth-introduction h2{font-size:clamp(28px,4vw,40px);line-height:1.5;margin:14px 0 28px;letter-spacing:-1.5px}.birth-row{margin:20px 0;animation:birth-rise .45s ease both}.birth-row label{display:block;font-weight:600;margin-bottom:10px}.birth-row input,.birth-row select{width:100%;padding:17px 18px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--control);font-size:20px;min-height:60px}.birth-row select{text-align:center;font-variant-numeric:tabular-nums}.birth-introduction .primary-button{width:100%;margin-top:20px;padding:18px}.birth-error{color:#b83b37}
@keyframes birth-rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.share-dialog{width:min(460px,calc(100% - 32px));padding:26px;border:1px solid var(--line);border-radius:18px;color:var(--ink);background:var(--surface)}.share-dialog::backdrop{background:#07132399;backdrop-filter:blur(3px)}.share-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.share-heading h2{margin:0;font-size:24px}.share-close{border:0;background:none;color:var(--ink);font-size:30px;padding:4px 10px}.share-include{display:flex;align-items:center;gap:10px;margin-top:24px;font-size:16px}.share-include input{width:18px;height:18px}.share-description,.share-feedback{font-size:14px;line-height:1.7;color:var(--muted)}.share-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.share-options a,.share-options button{display:flex;align-items:center;justify-content:center;gap:10px;padding:15px 9px;min-height:56px;font-size:15px;border:1px solid var(--line);border-radius:10px;background:var(--control);color:var(--ink);text-decoration:none;cursor:pointer}.share-options [data-sns=x] img{background:#111;border-radius:5px;padding:4px;box-sizing:content-box}.share-url-label{font-size:14px;display:block}.share-url{display:block;width:100%;margin-top:7px;padding:12px;background:var(--control);color:var(--muted);border:1px solid var(--line);border-radius:8px}.share-open{font-size:14px}
@media(prefers-reduced-motion:reduce){.birth-row{animation:none}}
.birth-select{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden;clip-path:inset(50%);border:0!important}.birth-rail{position:relative;display:flex;overflow-x:auto;gap:12px;padding:12px 8px;scroll-snap-type:x mandatory;scrollbar-width:thin;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--control);border-radius:10px}.birth-rail button{flex:0 0 30%;padding:18px 8px;border:2px solid transparent;border-radius:10px;background:transparent;color:var(--muted);font-size:clamp(24px,5vw,34px);font-variant-numeric:tabular-nums;scroll-snap-align:center;cursor:pointer}.birth-rail button[aria-pressed=true]{color:var(--green);background:var(--surface);border-color:var(--green);font-weight:700}.birth-rail button:focus-visible{outline:3px solid var(--green);outline-offset:-3px}
.birth-intro-active .workspace{display:block}.birth-intro-active .questionnaire{max-width:720px;margin:auto;background:transparent;border:0;box-shadow:none}.birth-intro-active .intro{display:none}.birth-intro-active .privacy-line{display:none}.travel-particles img{object-fit:contain}.result-share{min-height:44px;margin-top:12px;padding:10px 16px}.birth-introduction .eyebrow{color:var(--green)}
.share-options [data-share=kakao]{background:#fee500;color:#191919;border-color:#e6ce00}
.shared-result-view{display:block}.shared-result-view .result-column{max-width:720px;margin:auto}.shared-result-view .result-card{position:static}.shared-result-view .secondary-button{margin:12px 8px 0 0}
.form-heading>div{min-width:0}#step-title{overflow-wrap:anywhere}
.longevity-percentile{padding:20px;margin-top:20px;background:var(--accent-soft);border:1px solid var(--line);border-radius:12px}.longevity-percentile>span{font-size:14px;color:var(--muted)}.longevity-percentile strong{display:block;font-size:30px;color:var(--green);margin:8px 0;font-variant-numeric:tabular-nums}.longevity-percentile p{font-size:14px;line-height:1.8;margin:0;color:var(--muted)}

/* A result panel only exists visually once there is an actual result. */
#result-card:not(.has-result){display:none}
.result-loading{border:1px solid var(--line);border-radius:24px;padding:44px 32px;width:min(420px,calc(100% - 32px));text-align:center;background:var(--surface,#fff);color:var(--ink)}
.result-loading::backdrop{background:rgba(8,30,50,.42);backdrop-filter:blur(5px)}
.result-loading h2{font-size:1.35rem;margin:24px 0 12px}.result-loading p{line-height:1.7}
.loading-orbit{display:block;width:60px;height:60px;border:3px solid #b5d9f5;border-top-color:#2585c8;border-radius:50%;margin:auto;animation:loading-turn 1.3s linear infinite}
@keyframes loading-turn{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.loading-orbit{animation:none}}

.share-image{margin:22px 0;padding-top:16px;border-top:1px solid var(--line)}.share-image h3{font-size:1rem}.share-image-preview{display:block;max-width:100%;width:180px;height:240px;object-fit:contain;margin:12px auto;border-radius:8px}.share-image-preview[hidden]{display:none}.share-image-status{font-size:.8rem;line-height:1.6}.share-dialog{max-height:90dvh;overflow-y:auto}

/* Shared utility actions use one icon vocabulary in every result and dialog. */
.utility-icon{display:block;width:20px;height:20px;flex:0 0 20px;pointer-events:none}
.utility-action{display:inline-flex;align-items:center;justify-content:center;gap:8px;vertical-align:middle;max-width:100%}
.utility-action,.share-options button,.share-options a{line-height:1.45;word-break:keep-all;overflow-wrap:anywhere}
.result-share-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.result-share-actions .secondary-button{flex:1 1 180px;margin:0!important;min-width:0;padding:11px 12px}
.share-dialog .share-close{padding:8px;width:40px;height:40px;flex:none}
.share-dialog .share-heading h2{font-size:22px;min-width:0}
.share-image-open,.share-back{width:100%;margin:6px 0;min-height:44px}
.share-dialog[data-share-view=link] .share-back{display:none}
.share-dialog[data-share-view=image] .share-link-options,.share-dialog[data-share-view=image] .share-url-label,.share-dialog[data-share-view=image] .share-image-open{display:none}
.share-dialog[data-share-view=image] .share-image{margin-top:12px;padding-top:0;border-top:0}
.share-dialog[data-share-view=image] .share-image h3{font-size:14px;margin:12px 0;color:var(--muted)}
.share-dialog .share-image-preview{height:auto;max-height:36dvh;max-width:100%;width:auto}
.share-dialog .share-options{margin:16px 0;gap:8px}
.share-dialog .share-options button,.share-dialog .share-options a{min-width:0;font-size:14px;padding:12px 8px;gap:8px}
.share-dialog .share-options img{flex:none}
.share-dialog .share-feedback:empty{display:none}
@media(max-width:380px){.share-dialog{width:calc(100% - 24px);padding:18px}.share-dialog .share-image .share-options{grid-template-columns:1fr}.share-dialog .share-heading h2{font-size:21px}.share-open .utility-icon{width:16px;height:16px;flex-basis:16px}.share-open.utility-action{gap:5px}}

/* Keep the identity outside the scrollable questionnaire on every test page. */
html:has(body:not(.rebirth-page)){height:100%;overflow:hidden}
body:not(.rebirth-page){height:100dvh;display:flex;flex-direction:column;overflow:hidden}
body:not(.rebirth-page) .site-header{flex:0 0 auto;position:relative;z-index:20}
body:not(.rebirth-page) .page-shell{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior-y:contain;width:100%;scroll-padding-top:24px}
.test-identity{font-size:15px;line-height:1.4;display:block!important;letter-spacing:-.3px}
.birth-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.birth-pair label{min-width:0}.birth-pair input{margin-top:8px}
.birth-row input[aria-invalid=true]{border-color:#b83b37;outline:2px solid #b83b37;outline-offset:2px}
.input-unit:has(.has-number-picker) .unit{right:56px;pointer-events:none}.input-unit .has-number-picker input{padding-right:96px}
.birth-introduction .field-hint{font-size:12px;margin:10px 0 0}
body:not(.rebirth-page){--accent:var(--green);--glass-line-2:var(--line);--glass-2:var(--control);--faint:var(--muted);--press:var(--green)}
.rebirth-page .site-header{position:sticky;top:0;z-index:30}
@media(max-width:800px){.test-identity{order:5;flex:0 0 100%;font-size:14px;margin:0}.birth-pair{gap:10px}.birth-pair input{padding:12px 10px;font-size:19px}body:not(.rebirth-page) .site-header{min-height:0;padding-top:9px;padding-bottom:9px}}

/* Korean brand stays readable beside compact header actions. */
.site-header .brand-skull{display:block;width:34px;height:34px;flex:none}
.site-header .brand-byline{display:block;margin-top:4px;font-size:12px;font-weight:500;letter-spacing:0;color:var(--muted)}
body:not(.rebirth-page) .site-header{gap:18px}
body:not(.rebirth-page) .site-header .brand{font-size:22px;line-height:1.25;gap:10px;margin-right:auto}
body[data-mode=standard] .test-identity{display:none!important}
@media(max-width:800px){
 body:not(.rebirth-page) .site-header{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 10px;padding:10px 18px}
 body:not(.rebirth-page) .site-header .brand{grid-column:1;grid-row:1;font-size:18px;margin:0;min-width:0;gap:7px;white-space:normal}
 body:not(.rebirth-page) .site-header .brand-skull{width:28px;height:28px}
 body:not(.rebirth-page) .site-header .brand-byline{font-size:11px}
 body:not(.rebirth-page) .site-header .theme-toggle{grid-column:2;grid-row:1;font-size:11px;min-height:32px;padding:6px 8px;justify-self:end}
 body:not(.rebirth-page) .site-header .text-button{grid-column:1;grid-row:2;font-size:11px;justify-self:end;padding:0;min-height:28px}
 body:not(.rebirth-page) .site-header .share-open{grid-column:2;grid-row:2;min-height:28px;padding:4px 8px}
 body:not(.rebirth-page) .site-header .test-identity{grid-column:1 / -1;grid-row:3;font-size:12px;margin:4px 0 0}
}