/* 쑥쑥 키노트 — 공통 스타일 */
html{-webkit-text-size-adjust:100%}
:root{color-scheme:light;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
:root{
  --bg:#F3EFFA; --surface:#FFFFFF; --surface-2:#F0EBFA; --ink:#1D1530; --ink-2:#463E5C; --muted:#756E8C; --line:#E0D8EF;
  --accent:#6A3FD1; --accent-ink:#FFFFFF; --accent-soft:#E6DCFB; --accent-deep:#4B2A9E;
  --kid:#EE6A45; --gene:#00968A;
  --band1:#F1ECFB; --band2:#E3D9F7; --band3:#D2C4F1; --median:#8C77CC; --grid:#ECE7F5;
  --good:#0ca30c; --warn:#fab219; --serious:#ec835a; --crit:#d03b3b;
  --good-soft:#E3F5E3; --warn-soft:#FDF1D6; --crit-soft:#FBE3E3;
  --shadow:0 1px 2px rgba(40,20,90,.06),0 8px 24px rgba(40,20,90,.06);
  --display:"Do Hyeon","Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --body:"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#131020; --surface:#1D1830; --surface-2:#262040; --ink:#F2EEFB; --ink-2:#D3CCE6; --muted:#A39BBC; --line:#352D4E;
    --accent:#9A7BF0; --accent-ink:#140F22; --accent-soft:#2F2552; --accent-deep:#C9B8FB;
    --kid:#E2653F; --gene:#20A99C;
    --band1:#221C37; --band2:#2C2447; --band3:#3A305D; --median:#A591E6; --grid:#272040;
    --good-soft:#15301A; --warn-soft:#352A10; --crit-soft:#3A1A1C;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  }
}
:root[data-theme="dark"]{
  --bg:#131020; --surface:#1D1830; --surface-2:#262040; --ink:#F2EEFB; --ink-2:#D3CCE6; --muted:#A39BBC; --line:#352D4E;
  --accent:#9A7BF0; --accent-ink:#140F22; --accent-soft:#2F2552; --accent-deep:#C9B8FB;
  --kid:#E2653F; --gene:#20A99C;
  --band1:#221C37; --band2:#2C2447; --band3:#3A305D; --median:#A591E6; --grid:#272040;
  --good-soft:#15301A; --warn-soft:#352A10; --crit-soft:#3A1A1C;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:anywhere;padding-inline:16px;padding-block:20px 48px}
.app{max-width:440px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
h1,h2,h3{margin:0;text-wrap:balance}
p{margin:0}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

/* top bar */
.brand{display:flex;align-items:center;justify-content:space-between;padding:2px 4px}
.brand b{font-family:var(--display);font-weight:400;font-size:22px;letter-spacing:.5px;color:var(--accent-deep)}
.brand span{font-size:12px;color:var(--muted)}

/* cards */
.card{background:var(--surface);border-radius:22px;padding:22px 20px;box-shadow:var(--shadow)}
.card.flat{box-shadow:none;background:var(--surface-2)}
.sec-title{font-family:var(--display);font-weight:400;font-size:22px;line-height:1.3;letter-spacing:.2px}
.sec-sub{font-size:13px;color:var(--muted);margin-top:4px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;color:var(--accent);background:var(--accent-soft);padding:3px 10px;border-radius:999px;letter-spacing:.3px}

/* hero */
.hero{display:grid;grid-template-columns:1fr 112px;gap:8px;align-items:end;background:var(--accent-soft);border-radius:26px;padding:22px 18px 0 22px;overflow:hidden}
.hero h1{font-family:var(--display);font-weight:400;font-size:34px;line-height:1.15;margin-top:10px}
.hero p{font-size:14px;color:var(--ink-2);margin:8px 0 22px}
.hero svg{width:112px;height:auto;display:block}

/* form */
form{display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field>label,.field>.lab{font-size:13px;font-weight:700;color:var(--ink-2)}
.opt{font-weight:500;color:var(--muted);font-size:12px;margin-left:4px}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{display:flex;align-items:center;justify-content:center;height:48px;border-radius:14px;background:var(--surface-2);font-weight:700;cursor:pointer;border:1.5px solid transparent;transition:background .15s}
.seg input:checked+label{background:var(--accent);color:var(--accent-ink)}
.seg input:focus-visible+label{outline:3px solid var(--accent);outline-offset:2px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.inp{position:relative}
.inp input,.inp select,input[type=date]{width:100%;height:48px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);padding:0 44px 0 14px;font-size:16px;appearance:none;-webkit-appearance:none}
input[type=date]{padding-right:12px}
.inp select{padding-right:32px}
.inp.sel::after{content:"";position:absolute;right:15px;top:50%;width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);pointer-events:none}
.inp input:focus,.inp select:focus,input[type=date]:focus{border-color:var(--accent);outline:none}
.unit{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:13px;font-weight:700;color:var(--muted);pointer-events:none}
.parent-lab{font-size:12px;color:var(--muted);margin-bottom:-2px}
.hint{font-size:12px;color:var(--muted);line-height:1.5}
.err{font-size:13px;color:var(--crit);font-weight:700}
details.more{border-radius:16px;background:var(--surface-2);padding:0 14px}
details.more>summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:14px 0;font-weight:700;font-size:14px}
details.more>summary::-webkit-details-marker{display:none}
details.more>summary::after{content:"+";font-size:20px;color:var(--accent);line-height:1}
details.more[open]>summary::after{content:"–"}
details.more .inner{display:flex;flex-direction:column;gap:16px;padding-bottom:16px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:56px;border:0;border-radius:18px;background:var(--accent);color:var(--accent-ink);font-weight:800;font-size:17px;cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(1.06)}
.btn.ghost{background:var(--surface);color:var(--accent-deep);border:1.5px solid var(--line)}
.btn.small{height:46px;font-size:15px;border-radius:14px}
.btn.btn-promo,.btn.btn-promo-coral{height:auto;min-height:58px;padding:15px 18px;line-height:1.45;font-size:16px;border-radius:18px;color:#fff;letter-spacing:-.02em}
.btn.btn-promo{background:linear-gradient(135deg,var(--accent-deep) 0%,var(--accent) 100%);box-shadow:0 8px 24px rgba(91,58,140,.28),0 2px 6px rgba(91,58,140,.12)}
.btn.btn-promo:hover{filter:brightness(1.08);box-shadow:0 10px 28px rgba(91,58,140,.34),0 2px 8px rgba(91,58,140,.14)}
.btn.btn-promo-coral{background:linear-gradient(135deg,#E85A4F 0%,#FF8A65 45%,#FFAB91 100%);box-shadow:0 8px 24px rgba(232,90,79,.28),0 2px 6px rgba(232,90,79,.12)}
.btn.btn-promo-coral:hover{filter:brightness(1.06);box-shadow:0 10px 28px rgba(232,90,79,.34),0 2px 8px rgba(232,90,79,.14)}
.cta-block{margin-top:20px;padding-top:4px}
.disclaimer{font-size:11.5px;color:var(--muted);text-align:center}

/* result hero */
.res-hero{text-align:center;padding:26px 20px 22px}
.res-hero .who{font-size:15px;font-weight:700;color:var(--ink-2)}
.big{display:flex;align-items:baseline;justify-content:center;gap:6px;margin:4px 0 2px;color:var(--accent-deep)}
.big .pre{font-family:var(--display);font-size:24px}
.big .n{font-family:var(--display);font-size:78px;line-height:1;letter-spacing:-1px}
.big .u{font-family:var(--display);font-size:26px}
.range{font-size:13px;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:14px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:5px 11px;border-radius:999px;background:var(--surface-2);color:var(--ink-2)}
.chip i{width:8px;height:8px;border-radius:50%;display:inline-block;flex:none}
.summary{margin-top:16px;font-size:14px;color:var(--ink-2);text-align:left;background:var(--surface-2);border-radius:14px;padding:12px 14px}
.summary b{color:var(--ink)}

/* stat grid */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}
.stat{background:var(--surface-2);border-radius:14px;padding:10px 8px;text-align:center}
.stat .k{font-size:11.5px;color:var(--muted)}
.stat .v{font-family:var(--display);font-size:22px;line-height:1.2}
.stat .v small{font-size:13px;margin-left:1px}

/* percentile meter */
.meter{position:relative;margin:44px 6px 6px}
.meter .track{position:relative;height:12px;border-radius:999px;background:var(--band2);overflow:hidden}
.meter .mid{position:absolute;top:0;bottom:0;left:25%;width:50%;background:var(--band3)}
.meter .fill{position:absolute;top:0;bottom:0;left:0;background:var(--accent);border-radius:999px}
.meter .pin{position:absolute;top:-40px;transform:translateX(-50%);background:var(--accent-deep);color:var(--surface);font-weight:800;font-size:13px;padding:4px 10px;border-radius:10px;white-space:nowrap}
.meter .pin::after{content:"";position:absolute;left:var(--ax,50%);bottom:-5px;margin-left:-5px;border:5px solid transparent;border-bottom:0;border-top-color:var(--accent-deep)}
.ticks{position:relative;height:20px;margin:6px 6px 0;font-size:11.5px;color:var(--muted);font-weight:700}
.ticks span{position:absolute;transform:translateX(-50%)}
.people{display:grid;grid-template-columns:repeat(20,1fr);gap:3px;margin-top:16px}
.people i{aspect-ratio:1;border-radius:50%;background:var(--band2)}
.people i.me{background:var(--kid);box-shadow:0 0 0 2px var(--surface),0 0 0 3.5px var(--kid)}
.people i.taller{background:var(--band3)}

/* chart */
.chart-wrap{position:relative;margin-top:14px}
.chart-wrap svg{width:100%;height:auto;display:block;touch-action:pan-y}
.chart-wrap text{font-family:var(--body)}
.tip{position:absolute;pointer-events:none;background:var(--ink);color:var(--surface);font-size:12px;line-height:1.5;padding:8px 10px;border-radius:10px;white-space:nowrap;transform:translate(-50%,-100%);opacity:0;transition:opacity .1s}
.tip b{font-size:13px}
.tip .sw{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;vertical-align:0}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:10px;font-size:12px;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.lg-dot{width:10px;height:10px;border-radius:50%;background:var(--kid)}
.lg-line{width:18px;height:0;border-top:2px dashed}
.lg-band{width:16px;height:10px;border-radius:3px}

/* dot plot */
.dots{display:flex;flex-direction:column;gap:14px;margin-top:16px}
.drow{display:grid;grid-template-columns:78px 1fr 58px;align-items:center;gap:8px}
.drow .l{font-size:12.5px;font-weight:700;color:var(--ink-2)}
.drow .val{font-size:14px;font-weight:800;text-align:right}
.dtrack{position:relative;height:18px}
.dtrack::before{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:var(--grid);border-radius:2px}
.dtrack .d{position:absolute;top:50%;width:14px;height:14px;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 2px var(--surface)}
.dtrack .band{position:absolute;top:50%;height:10px;transform:translateY(-50%);border-radius:5px;opacity:.28}
.drow.final{padding-top:12px;border-top:1px dashed var(--line)}
.axis{position:relative;height:16px;margin-left:86px;margin-right:66px;font-size:11px;color:var(--muted)}
.axis span{position:absolute;transform:translateX(-50%);white-space:nowrap}

/* callouts */
.callout{display:flex;gap:12px;align-items:flex-start;border-radius:14px;padding:12px 14px;font-size:13.5px;margin-top:14px;background:var(--surface-2);color:var(--ink-2)}
.callout .ic{flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800;color:#fff;margin-top:1px}
.callout b{color:var(--ink)}
.callout.good{background:var(--good-soft)} .callout.good .ic{background:var(--good)}
.callout.warn{background:var(--warn-soft)} .callout.warn .ic{background:#c98500}
.callout.crit{background:var(--crit-soft)} .callout.crit .ic{background:var(--crit)}
.callout.info .ic{background:var(--accent)}

/* bar scales (bmi, velocity) */
.scale{margin-top:40px;position:relative}
.segs{display:flex;gap:2px;height:14px}
.segs div{border-radius:3px}
.segs div:first-child{border-radius:7px 3px 3px 7px}
.segs div:last-child{border-radius:3px 7px 7px 3px}
.seglabs{display:flex;gap:2px;margin-top:6px;font-size:11px;color:var(--muted);font-weight:700}
.seglabs div{text-align:center;overflow:hidden;white-space:nowrap}
.scale .pin{position:absolute;top:-34px;transform:translateX(-50%);background:var(--ink);color:var(--surface);font-size:12px;font-weight:800;padding:3px 9px;border-radius:9px;white-space:nowrap}
.scale .pin::after{content:"";position:absolute;left:50%;bottom:-5px;margin-left:-5px;border:5px solid transparent;border-bottom:0;border-top-color:var(--ink)}
.scale .exp{position:absolute;top:-4px;width:2px;height:22px;background:var(--ink);opacity:.55}

/* yearly columns */
.cols-wrap{overflow-x:auto;margin-top:14px;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.cols{display:flex;align-items:flex-end;gap:8px;min-height:178px;width:max-content;min-width:100%;padding:0 2px 2px}
.col{flex:0 0 58px;width:58px;display:flex;flex-direction:column;align-items:stretch;gap:5px}
.col .g-row{display:grid;grid-template-columns:1fr 1fr;gap:6px;width:100%;min-height:16px}
.col .g{font-size:10px;font-weight:800;line-height:1.15;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.col .g-base{color:var(--accent)}
.col .g-scn{color:var(--accent-deep)}
.col .bars{display:grid;grid-template-columns:1fr 1fr;align-items:flex-end;gap:6px;width:100%;min-height:120px}
.col .bar{width:100%;max-width:none;min-height:4px;border-radius:5px 5px 0 0}
.col .bar.bar-base{background:var(--accent)}
.col.spurt .bar.bar-base{background:var(--kid)}
.col .bar.bar-scn{background:var(--accent-deep)}
.col .h{font-size:10.5px;color:var(--muted);writing-mode:horizontal-tb}
.col .a{font-size:11px;font-weight:700;color:var(--ink-2);border-top:1px solid var(--line);width:100%;text-align:center;padding-top:3px}
.tbl{width:100%;border-collapse:collapse;font-size:13px;margin-top:10px}
.tbl th,.tbl td{padding:7px 4px;border-bottom:1px solid var(--line);text-align:right}
.tbl th:first-child,.tbl td:first-child{text-align:left}
.tbl th{font-size:12px;color:var(--muted);font-weight:700}
details.tv{margin-top:10px}
details.tv summary{font-size:13px;color:var(--accent-deep);font-weight:700;cursor:pointer}

/* checklist */
.checks{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.ck{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start}
.ck .ic{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;font-weight:800;font-size:14px;color:#fff}
.ck.good .ic{background:var(--good)}
.ck.warn .ic{background:#c98500}
.ck.crit .ic{background:var(--crit)}
.ck.info .ic{background:var(--accent)}
.ck b{display:block;font-size:14px}
.ck p{font-size:13px;color:var(--ink-2)}
.ck .tag{font-size:11px;font-weight:700;margin-left:6px;color:var(--muted)}

/* lists */
.plain{margin:10px 0 0;padding-left:18px;font-size:13.5px;color:var(--ink-2);display:flex;flex-direction:column;gap:5px}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;font-weight:700;font-size:14px;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:18px;line-height:1.2}
.faq details[open] summary::after{content:"–"}
.faq p{font-size:13.5px;color:var(--ink-2);margin-top:8px}
.formula{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;background:var(--surface-2);padding:8px 10px;border-radius:10px;margin-top:8px;color:var(--ink)}
.btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}
/* what-if scenario */
.ctrls{display:flex;gap:8px;align-items:stretch;margin-top:14px;flex-wrap:wrap}
.stepper{display:flex;align-items:center;border:1.5px solid var(--line);border-radius:14px;overflow:hidden;height:44px;background:var(--surface)}
.stepper button{width:42px;height:100%;border:0;background:var(--surface-2);font-size:20px;font-weight:700;cursor:pointer;color:var(--accent-deep)}
.stepper button:disabled{opacity:.35;cursor:default}
.stepper output{min-width:66px;text-align:center;font-weight:800;font-size:15px}
.seg.sm{flex:1;min-width:180px}
.seg.sm label{height:44px;font-size:13px;padding:0 8px;text-align:center;line-height:1.25}
.vs{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:6px;margin-top:16px;text-align:center;background:var(--surface-2);border-radius:16px;padding:14px 8px}
.vs .k{font-size:12px;color:var(--muted);font-weight:700}
.vs .v{font-family:var(--display);font-size:36px;line-height:1.1}
.vs .v small{font-size:15px;margin-left:1px}
.vs .new .v{color:var(--accent-deep)}
.vs .arrow{color:var(--accent);font-size:22px;font-weight:800}
.vs .dd{font-size:12px;font-weight:800;color:var(--accent-deep)}
.cmp{margin-top:14px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;column-gap:12px}
.cmp>div{padding:9px 0;border-bottom:1px solid var(--line);font-size:13.5px;display:flex;align-items:center}
.cmp>div:nth-last-child(-n+3){border-bottom:0}
.cmp .hd{font-size:11.5px;color:var(--muted);font-weight:700;padding-top:0}
.cmp .c{justify-content:flex-end;text-align:right;color:var(--ink-2)}
.cmp .n{justify-content:flex-end;text-align:right;font-weight:800;gap:5px}
.cmp .lab{font-weight:700;color:var(--ink-2)}
.delta{font-size:10.5px;font-weight:800;padding:1px 5px;border-radius:6px;background:var(--accent-soft);color:var(--accent-deep);white-space:nowrap}
.cmp .chip{padding:3px 8px;font-size:11.5px}
.meter.two{margin-bottom:44px}
.dtrack .avgline{position:absolute;top:-4px;bottom:-4px;width:0;border-left:1.5px dashed var(--median)}
.dtrack .gain{position:absolute;top:50%;height:6px;transform:translateY(-50%);border-radius:3px;background:var(--accent);opacity:.3}
.drow.scnrow .l{color:var(--accent-deep)}
.drow.scnrow .d{width:16px;height:16px;background:var(--surface);box-shadow:inset 0 0 0 3px var(--accent),0 0 0 2px var(--surface)}
.drow.scnrow .val{color:var(--accent-deep)}
.formula-box{margin-top:14px;border-radius:14px;border:1.5px dashed var(--accent);padding:12px 14px;font-size:13px;color:var(--ink-2)}
.formula-box b{color:var(--ink)}
.formula-box .eq{font-family:var(--display);font-size:20px;color:var(--accent-deep);margin-top:4px}
.meter .pin.below{top:auto;bottom:-38px;background:var(--surface-2);color:var(--ink-2)}
.meter .pin.below::after{bottom:auto;top:-5px;border:5px solid transparent;border-top:0;border-bottom-color:var(--surface-2)}
.meter .nowmark{position:absolute;top:-3px;width:3px;height:18px;margin-left:-1.5px;background:var(--ink-2);border-radius:2px}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:10px 16px;border-radius:12px;font-size:14px;font-weight:700;z-index:10}
footer{font-size:11.5px;color:var(--muted);text-align:center;line-height:1.6;padding:6px 8px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media (prefers-reduced-motion:no-preference){.fade{animation:up .45s ease both}@keyframes up{from{transform:translateY(8px)}to{transform:none}}}

/* PHP 버전 추가 스타일 */
.stepper a{width:42px;height:100%;display:grid;place-items:center;background:var(--surface-2);font-size:20px;font-weight:700;color:var(--accent-deep);text-decoration:none}
.stepper a.off{opacity:.35;pointer-events:none}
.seg a{display:flex;align-items:center;justify-content:center;border-radius:14px;background:var(--surface-2);font-weight:700;text-decoration:none;color:var(--ink)}
.seg a.on{background:var(--accent);color:var(--accent-ink)}
.seg a.off{opacity:.4;pointer-events:none}
.seg.sm a{height:44px;font-size:13px;padding:0 8px;text-align:center;line-height:1.25}
.seg input:disabled+label{opacity:.4}
.err-box{border-radius:14px;background:var(--crit-soft);color:var(--crit);font-weight:700;font-size:13.5px;padding:10px 14px}