/* LEEX UI v1 — shared static consumer-tool base */
:root {
  --lx-canvas:#F6F5F0;
  --lx-surface:#FFFFFF;
  --lx-ink:#171717;
  --lx-ink-2:#595956;
  --lx-ink-3:#85857F;
  --lx-line:#DCDAD2;
  --lx-line-soft:#ECEAE4;
  --lx-brand:#B7F34A;
  --lx-brand-ink:#193300;
  --lx-danger:#C53B31;
  --lx-warning:#9A6500;
  --lx-success:#247A45;
  --lx-radius-control:10px;
  --lx-radius-card:14px;
  --lx-shadow:0 8px 30px rgba(23,23,23,.06);
  --lx-max:1120px;
  --lx-task:800px;
  --lx-font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;
}
*{box-sizing:border-box}
html{color-scheme:light;background:var(--lx-canvas)}
body{margin:0;background:var(--lx-canvas);color:var(--lx-ink);font-family:var(--lx-font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-underline-offset:.18em}
img,svg{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button,a,input,select,textarea{outline-offset:3px}
:focus-visible{outline:2px solid var(--lx-ink)}

.lx-shell{width:min(calc(100% - 32px),var(--lx-max));margin-inline:auto}
.lx-task{width:min(100%,var(--lx-task))}
.lx-header{min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--lx-line-soft)}
.lx-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:-.04em}
.lx-brand-mark{display:inline-grid;place-items:center;width:12px;height:12px;background:var(--lx-brand);border-radius:3px}
.lx-nav{display:flex;align-items:center;gap:18px;font-size:.9rem;color:var(--lx-ink-2)}
.lx-main{padding-block:48px 80px}
.lx-eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--lx-ink-2)}
.lx-title{max-width:18ch;margin:8px 0 12px;font-size:clamp(2rem,5vw,3.5rem);line-height:1.03;letter-spacing:-.045em}
.lx-lede{max-width:62ch;margin:0;color:var(--lx-ink-2);font-size:1.05rem}
.lx-section{padding-block:40px;border-top:1px solid var(--lx-line-soft)}
.lx-section-title{margin:0 0 18px;font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:1.2;letter-spacing:-.025em}
.lx-stack{display:grid;gap:16px}
.lx-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.lx-card{background:var(--lx-surface);border:1px solid var(--lx-line);border-radius:var(--lx-radius-card);padding:20px}
.lx-result{background:var(--lx-ink);color:#fff;border-radius:var(--lx-radius-card);padding:24px;box-shadow:var(--lx-shadow)}
.lx-result .lx-muted{color:rgba(255,255,255,.7)}
.lx-result-value{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:760;line-height:1.1;letter-spacing:-.035em;font-variant-numeric:tabular-nums}
.lx-btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--lx-ink);border-radius:var(--lx-radius-control);padding:10px 16px;background:var(--lx-ink);color:#fff;font-weight:680;text-decoration:none;cursor:pointer}
.lx-btn:hover{opacity:.9}
.lx-btn-secondary{background:transparent;color:var(--lx-ink);border-color:var(--lx-line)}
.lx-btn-signal{background:var(--lx-brand);color:var(--lx-brand-ink);border-color:var(--lx-brand)}
.lx-field{display:grid;gap:7px}
.lx-label{font-size:.9rem;font-weight:650}
.lx-help{font-size:.82rem;color:var(--lx-ink-2)}
.lx-input,.lx-select,.lx-textarea{width:100%;min-height:46px;border:1px solid var(--lx-line);border-radius:var(--lx-radius-control);background:var(--lx-surface);color:var(--lx-ink);padding:10px 12px}
.lx-input:focus,.lx-select:focus,.lx-textarea:focus{border-color:var(--lx-ink);box-shadow:0 0 0 2px rgba(183,243,74,.7);outline:0}
.lx-callout{border-left:3px solid var(--lx-brand);padding:12px 16px;background:rgba(183,243,74,.12)}
.lx-meta{font-size:.82rem;color:var(--lx-ink-2)}
.lx-chip{display:inline-flex;align-items:center;min-height:28px;border:1px solid var(--lx-line);border-radius:999px;padding:4px 9px;background:var(--lx-surface);font-size:.78rem;color:var(--lx-ink-2)}
.lx-divider{border:0;border-top:1px solid var(--lx-line-soft);margin:32px 0}
.lx-footer{border-top:1px solid var(--lx-line-soft);padding:28px 0 48px;color:var(--lx-ink-2);font-size:.86rem}

@media (max-width:720px){
  .lx-shell{width:min(calc(100% - 24px),var(--lx-max))}
  .lx-main{padding-block:32px 64px}
  .lx-nav{gap:12px}
  .lx-grid{grid-template-columns:1fr}
  .lx-card,.lx-result{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* Shared shell additions, LEEX UI v1.1. Keep identical in every product. */
[hidden]{display:none!important}
.lx-header{min-height:60px;height:auto;padding-block:8px;position:static;background:var(--lx-canvas);backdrop-filter:none}
.lx-header .lx-brand{font-size:1.15rem;min-height:44px}
.lx-header .lx-nav a{display:inline-flex;align-items:center;min-height:44px}
.lx-product-name{font-size:.875rem;letter-spacing:0;font-weight:500;color:var(--lx-ink-2)}
.lx-footer{display:block}
.lx-footer p{max-width:none;text-align:left;margin:8px 0}
.lx-related{padding-block:24px;border-top:1px solid var(--lx-line);margin-top:32px}
.lx-related h2{font:700 1.125rem/1.4 var(--lx-font);margin:0 0 12px}
.lx-related a{display:inline-flex;align-items:center;min-height:44px}
.lx-source{border-left:3px solid var(--lx-line);padding-left:16px;color:var(--lx-ink-2);font-size:.875rem}
.lx-skip{position:absolute;left:12px;top:-100px;z-index:50;padding:12px;background:var(--lx-ink);color:white}
.lx-skip:focus{top:8px}
@media(max-width:430px){.lx-header{gap:8px;flex-wrap:wrap}.lx-product-name{font-size:.78rem}.lx-nav{font-size:.8rem;gap:8px}}
@media print{.lx-header,.lx-footer,.lx-related,.lx-skip{display:none!important}}