/* DermCase design system v2 — "the viewing room"
   Grayscale chrome, black ink for action. The only color is skin:
   the case photo and the Fitzpatrick spectrum. */

:root{
  --canvas:#F4F5F3; --surface:#FFFFFF; --inset:#ECEEEB;
  --ink:#14161A; --ink-2:#444A53; --ink-3:#656B75;
  --line:#E0E3DF; --line-2:#C6CAC4;
  --danger:#A3261B; --danger-bg:#FBEDEA; --warn:#7D5311; --warn-bg:#F8EFDC;
  --bed:#17191D; --bed-ink:#E9EBEE; --bed-ink-2:#9BA1AB; --bed-line:#575C65;
  --f1:#F2D6C2; --f2:#E3B896; --f3:#CE9A72; --f4:#AD7650; --f5:#85502D; --f6:#573520;
  --r-1:8px; --r-2:12px; --r-3:20px; --r-4:28px;
  --font:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Segoe UI','Apple SD Gothic Neo','Noto Sans KR',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
:root[data-theme="dark"]{
  --canvas:#0C0E11; --surface:#14171B; --inset:#1C2025;
  --ink:#EEF0F2; --ink-2:#B0B6BF; --ink-3:#8E949E;
  --line:#23272E; --line-2:#363B44;
  --danger:#FF9082; --danger-bg:#2B1815; --warn:#E5B766; --warn-bg:#2A2114;
  --bed:#08090B; --bed-line:#4A4F58;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;color-scheme:light}
html[data-theme="dark"]{color-scheme:dark}
body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
html:lang(ko) body{word-break:keep-all;line-break:strict;line-height:1.7}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
img,svg{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px}
::selection{background:var(--ink);color:var(--canvas)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hide{display:none!important}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(18px,4vw,44px)}
.wrap.wide{max-width:1440px}
.mark{width:26px;height:26px}
html[data-theme="dark"] .mark-ink{filter:invert(1)}

/* Fitzpatrick spectrum: the one color device */
.spectrum{display:flex;height:4px}
.spectrum i{flex:1;display:block}
.spectrum i:nth-child(1){background:var(--f1)}.spectrum i:nth-child(2){background:var(--f2)}
.spectrum i:nth-child(3){background:var(--f3)}.spectrum i:nth-child(4){background:var(--f4)}
.spectrum i:nth-child(5){background:var(--f5)}.spectrum i:nth-child(6){background:var(--f6)}

/* Navigation */
.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--canvas) 88%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.nav-in{height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:17px;letter-spacing:-.025em}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{display:inline-flex;align-items:center;height:36px;padding:0 13px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);text-decoration:none;background:none;border:0;transition:color .15s,background .15s;white-space:nowrap}
.nav-link:hover{color:var(--ink);background:var(--inset)}
.nav-cta{margin-left:8px}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border-radius:999px;border:0;background:none;color:var(--ink-2);transition:color .15s,background .15s}
.icon-btn:hover{color:var(--ink);background:var(--inset)}
.icon-btn svg{width:18px;height:18px}
.ico-sun{display:none}
html[data-theme="dark"] .ico-sun{display:block}
html[data-theme="dark"] .ico-moon{display:none}
@media(max-width:720px){.hide-sm{display:none!important}}
@media(max-width:430px){.hide-xs{display:none!important}}
@media(max-width:480px){.nav-in{gap:8px}.nav-link{padding:0 9px}.nav-cta{margin-left:2px}.nav-links{gap:0}.brand{font-size:16px;gap:8px}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;font-weight:600;font-size:15px;line-height:1;text-decoration:none;white-space:nowrap;transition:background .15s,color .15s,border-color .15s,opacity .15s,transform .15s var(--ease)}
.btn-solid{background:var(--ink);color:var(--canvas)}
.btn-solid:hover{opacity:.84}
.btn-solid:active{transform:scale(.985)}
.btn-solid:disabled{opacity:.25;cursor:not-allowed;transform:none}
.btn-line{background:transparent;border-color:var(--line-2);color:var(--ink)}
.btn-line:hover{border-color:var(--ink)}
.btn-quiet{background:none;color:var(--ink-2);padding:0 14px}
.btn-quiet:hover{color:var(--ink);background:var(--inset)}
.btn-sm{height:36px;padding:0 15px;font-size:14px}
.btn-block{width:100%}
.link{background:none;border:0;padding:0;color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.link:hover{text-decoration-thickness:2px}

/* Fields */
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field>label,.lbl{font-size:13px;font-weight:600;color:var(--ink-2)}
.input,.select,.textarea{width:100%;height:46px;padding:0 14px;border-radius:var(--r-2);border:1px solid transparent;background:var(--inset);color:var(--ink);font-size:15px;transition:border-color .15s,background .15s,box-shadow .15s}
.textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.55;resize:vertical}
.input::placeholder,.textarea::placeholder{color:var(--ink-3)}
.input:hover,.select:hover,.textarea:hover{border-color:var(--line-2)}
.input:focus,.select:focus,.textarea:focus{outline:none;background:var(--surface);border-color:var(--ink);box-shadow:0 0 0 3px color-mix(in srgb,var(--ink) 12%,transparent)}
.select{appearance:none;-webkit-appearance:none;padding-right:38px;cursor:pointer}
.select-wrap{position:relative}
.select-wrap::after{content:"";position:absolute;right:17px;top:50%;width:7px;height:7px;border-right:1.6px solid var(--ink-2);border-bottom:1.6px solid var(--ink-2);transform:translateY(-70%) rotate(45deg);pointer-events:none}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px 12px}
.span2{grid-column:1/-1}
@media(max-width:420px){.grid2{grid-template-columns:1fr}}

/* Evidence gauge: strength in bars, never color alone */
.gauge{display:inline-flex;gap:3px;align-items:flex-end;height:14px}
.gauge b{width:4px;border-radius:1px;background:var(--line-2);display:block}
.gauge b:nth-child(1){height:6px}.gauge b:nth-child(2){height:10px}.gauge b:nth-child(3){height:14px}
.gauge[data-n="1"] b:nth-child(1),.gauge[data-n="2"] b:nth-child(-n+2),.gauge[data-n="3"] b{background:var(--ink)}
.tier{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:6px;border:1px solid var(--line-2);font-size:12.5px;font-weight:600;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}

/* App workspace */
.work{display:grid;gap:clamp(20px,3vw,40px);padding-top:28px;padding-bottom:72px}
@media(min-width:1000px){
  .work{grid-template-columns:minmax(360px,430px) minmax(0,1fr);align-items:start}
  .case{position:sticky;top:84px;max-height:calc(100vh - 104px);overflow-y:auto;scrollbar-width:thin}
}
.case{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-3)}
.case-sec{padding:20px 22px}
.case-sec+.case-sec{border-top:1px solid var(--line)}
.case-sec.act{position:sticky;bottom:0;z-index:3;background:var(--surface);border-radius:0 0 var(--r-3) var(--r-3)}
.case-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}
.case-head h2{font-size:18px;font-weight:700;letter-spacing:-.02em}
.case-head button{font-size:13px}

/* The light table */
.bed{position:relative;display:grid;place-items:center;min-height:184px;padding:20px;border-radius:var(--r-2);text-align:center;color:var(--bed-ink);background-color:var(--bed);
  background-image:
   linear-gradient(var(--bed-line),var(--bed-line)),linear-gradient(var(--bed-line),var(--bed-line)),
   linear-gradient(var(--bed-line),var(--bed-line)),linear-gradient(var(--bed-line),var(--bed-line)),
   linear-gradient(var(--bed-line),var(--bed-line)),linear-gradient(var(--bed-line),var(--bed-line)),
   linear-gradient(var(--bed-line),var(--bed-line)),linear-gradient(var(--bed-line),var(--bed-line));
  background-repeat:no-repeat;
  background-size:18px 1.5px,1.5px 18px,18px 1.5px,1.5px 18px,18px 1.5px,1.5px 18px,18px 1.5px,1.5px 18px;
  background-position:left 12px top 12px,left 12px top 12px,right 12px top 12px,right 12px top 12px,left 12px bottom 12px,left 12px bottom 12px,right 12px bottom 12px,right 12px bottom 12px;
  transition:outline-color .15s}
.bed.over{outline:2px solid var(--bed-ink);outline-offset:-7px}
.bed-prompt{cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;width:100%;padding:18px 0;background:none;border:0;color:inherit;font:inherit;border-radius:var(--r-1)}
.bed-prompt:focus-visible{outline-color:var(--bed-ink)}
.bed-prompt svg{width:30px;height:30px;color:var(--bed-ink-2);margin-bottom:6px}
.bed-prompt .t1{font-size:15px;font-weight:500}
.bed-prompt .t1 b{font-weight:600;text-decoration:underline;text-underline-offset:3px}
.bed-prompt .t2{font-size:13px;color:var(--bed-ink-2)}
.bed-load{display:none;align-items:center;gap:10px;font-size:14px;color:var(--bed-ink-2)}
.spin{width:16px;height:16px;border-radius:50%;border:2px solid var(--bed-line);border-top-color:var(--bed-ink);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%}
.thumb{position:relative;aspect-ratio:1;border-radius:var(--r-1);overflow:hidden;background:#000}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb button{position:absolute;top:6px;right:6px;width:26px;height:26px;border-radius:50%;border:0;background:rgba(0,0,0,.62);color:#fff;font-size:11px;line-height:1;display:grid;place-items:center}
.thumb button:hover{background:#000}
.thumb-add{aspect-ratio:1;border-radius:var(--r-1);border:1.5px dashed var(--bed-line);background:none;color:var(--bed-ink-2);font-size:26px;line-height:1;display:grid;place-items:center;transition:border-color .15s,color .15s}
.thumb-add:hover{border-color:var(--bed-ink);color:var(--bed-ink)}

/* Fitzpatrick picker */
.fitz{display:grid;grid-template-columns:repeat(6,1fr);border-radius:var(--r-2);overflow:hidden}
.fitz-chip{position:relative;height:46px;border:0;font-size:12.5px;font-weight:700;display:grid;place-items:center;transition:transform .15s var(--ease)}
.fitz-chip[data-fitz="I"]{background:var(--f1);color:#3B2A20}.fitz-chip[data-fitz="II"]{background:var(--f2);color:#3B2A20}
.fitz-chip[data-fitz="III"]{background:var(--f3);color:#2B1C12}.fitz-chip[data-fitz="IV"]{background:var(--f4);color:#fff}
.fitz-chip[data-fitz="V"]{background:var(--f5);color:#fff}.fitz-chip[data-fitz="VI"]{background:var(--f6);color:#fff}
.fitz-chip:hover{transform:translateY(-2px)}
.fitz-chip.sel{outline:2px solid var(--ink);outline-offset:-2px;box-shadow:inset 0 0 0 4px var(--surface);z-index:1}
.fitz-desc{min-height:20px;margin-top:8px;font-size:13px;color:var(--ink-3)}

/* Brief: a typeset document */
.out{min-width:0}
.brief{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-3)}
.brief-head{position:sticky;top:60px;z-index:5;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;padding:16px 24px;background:var(--surface);border-bottom:1px solid var(--line);border-radius:var(--r-3) var(--r-3) 0 0}
.ctx{display:flex;flex-wrap:wrap;align-items:center;gap:4px 0;font-size:14px;font-weight:500;color:var(--ink-2)}
.ctx span{padding:0 12px;display:inline-flex;align-items:center;gap:7px}
.ctx span:first-child{padding-left:0}
.ctx span+span{border-left:1px solid var(--line-2)}
.ctx .dot{display:inline-block;width:12px;height:12px;border-radius:50%;padding:0;border:0}
.actions{display:flex;flex-wrap:wrap;gap:6px}
.sec{padding:28px 28px}
.sec+.sec{border-top:1px solid var(--line)}
.sec-h{font-size:14px;font-weight:700;color:var(--ink-3);margin-bottom:18px}
.dx-list{display:grid;gap:26px}
.dx-rank{font-size:13px;font-weight:600;color:var(--ink-3);margin-bottom:6px}
.dx{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px}
.dx h3{font-size:clamp(26px,3.2vw,36px);font-weight:700;letter-spacing:-.035em;line-height:1.15}
.dx-list>div+div h3{font-size:clamp(20px,2.2vw,24px);letter-spacing:-.025em}
.rationale{margin-top:10px;font-size:16px;line-height:1.7;color:var(--ink-2);max-width:64ch}
.sec-lede{font-size:15px;line-height:1.65;color:var(--ink-2);max-width:64ch;margin:-4px 0 20px}
.cmp{overflow-x:auto;margin:0 -28px;padding:0 28px 6px;scrollbar-width:thin;
  background:
   linear-gradient(to right,var(--surface) 30%,transparent) left center/36px 100% no-repeat local,
   linear-gradient(to left,var(--surface) 30%,transparent) right center/36px 100% no-repeat local,
   radial-gradient(farthest-side at 0 50%,color-mix(in srgb,var(--ink) 18%,transparent),transparent) left center/10px 100% no-repeat scroll,
   radial-gradient(farthest-side at 100% 50%,color-mix(in srgb,var(--ink) 18%,transparent),transparent) right center/10px 100% no-repeat scroll}
.cmp-grid{display:grid;grid-template-columns:96px repeat(var(--n),minmax(188px,1fr));min-width:calc(96px + var(--n) * 188px);width:100%;border-top:1px solid var(--line-2)}
.cmp-grid>div{padding:14px 18px 14px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.55;color:var(--ink)}
.cmp-grid>.rh{position:sticky;left:0;z-index:2;background:var(--surface);font-size:13px;font-weight:600;color:var(--ink-3)}
.cmp-grid>.oh{display:flex;flex-direction:column;gap:8px;padding-top:16px;padding-bottom:16px}
.cmp-grid .oname{font-size:17px;font-weight:700;letter-spacing:-.02em;line-height:1.3}
.cmp-grid a{font-size:13px;color:var(--ink-2);text-underline-offset:3px}
.cmp-grid a:hover{color:var(--ink)}
.fine{font-size:12.5px;line-height:1.6;color:var(--ink-3)}
.sec .fine{margin-top:16px}
.ref{display:grid;grid-template-columns:132px minmax(0,1fr);gap:6px 24px;padding:18px 0;border-top:1px solid var(--line)}
.ref:first-of-type{border-top:0;padding-top:0}
.ref:last-child{padding-bottom:0}
.ref-t{font-size:16px;font-weight:600;line-height:1.45;letter-spacing:-.01em;text-decoration:none}
.ref-t:hover{text-decoration:underline;text-underline-offset:3px}
.ref-rel{margin-top:6px;font-size:14.5px;line-height:1.65;color:var(--ink-2)}
.ref-src{margin-top:8px;font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:4px 14px}
.ref-src a{color:var(--ink-2);text-underline-offset:3px}
.ref-src a:hover{color:var(--ink)}
@media(max-width:999px){.brief-head{position:static}}
@media(max-width:640px){.ref{grid-template-columns:1fr}.sec{padding:24px 20px}.cmp{margin:0 -20px;padding:0 20px 6px}.brief-head{padding:14px 20px}}
.brief-foot{padding:18px 28px 22px;border-top:1px solid var(--line)}

/* Empty, loading, notices */
.empty{border:1.5px dashed var(--line-2);border-radius:var(--r-3);padding:clamp(28px,5vw,56px)}
.empty h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;letter-spacing:-.03em;line-height:1.25}
.empty p{margin-top:10px;color:var(--ink-2);max-width:46ch}
.ghost{display:grid;gap:18px;margin-top:32px;max-width:520px}
.ghost div{display:grid;gap:9px}
.ghost i{display:block;height:9px;border-radius:5px;background:var(--inset)}
.ghost i.s{width:30%;height:11px;background:var(--line-2)}
.ghost i.m{width:78%}.ghost i.l{width:96%}
.loadcard{border:1px solid var(--line);background:var(--surface);border-radius:var(--r-3);padding:28px}
.loadcard p{font-size:14.5px;color:var(--ink-2);margin-bottom:22px}
.skel{display:grid;gap:12px;margin-bottom:26px}
.skel i{display:block;height:12px;border-radius:6px;background:linear-gradient(90deg,var(--inset) 20%,var(--line) 50%,var(--inset) 80%);background-size:220% 100%;animation:shimmer 1.5s linear infinite}
.skel i.h{height:26px;width:46%;border-radius:8px}.skel i.w{width:92%}.skel i.n{width:68%}
@keyframes shimmer{from{background-position:120% 0}to{background-position:-120% 0}}

/* Loading screen: the light table (assets/js/loader.js). Dark in both themes, like the landing scene. */
.lt{position:relative;overflow:hidden;background:var(--bed);color:var(--bed-ink);border-radius:var(--r-3);padding:clamp(20px,3.2vw,30px);display:grid;gap:24px}
.lt-top{display:flex;align-items:center;gap:clamp(16px,3vw,24px)}
.lt-lens{position:relative;flex:none;width:clamp(92px,16vw,128px);aspect-ratio:1;border-radius:50%;overflow:hidden;box-shadow:0 0 0 6px var(--bed),0 0 0 7px #4A4F58}
.lt-photo{display:block;width:100%;height:100%;object-fit:cover}
.lt-photo.blank{background:radial-gradient(circle at 40% 35%,var(--f3),var(--f5))}
.lt-scan{position:absolute;left:0;right:0;top:0;height:2px;background:var(--bed-ink);box-shadow:0 0 18px 3px rgba(233,235,238,.35);opacity:0}
.lt-ring{position:absolute;inset:5px;border-radius:50%;pointer-events:none;opacity:.55;background:repeating-conic-gradient(from 0deg,#9BA1AB 0 .8deg,transparent .8deg 6deg);-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 5px),#000 calc(100% - 5px));mask:radial-gradient(farthest-side,transparent calc(100% - 5px),#000 calc(100% - 5px))}
.ph-read .lt-scan{opacity:1;animation:ltscan 2.4s var(--ease) infinite alternate}
.ph-search .lt-ring,.ph-write .lt-ring{animation:ltspin 26s linear infinite}
@keyframes ltscan{from{top:0}to{top:calc(100% - 2px)}}
@keyframes ltspin{to{transform:rotate(360deg)}}
.lt-case{min-width:0}
.lt-title{font-size:16px;font-weight:650;letter-spacing:-.015em;line-height:1.4}
.lt-extag{display:inline-flex;align-items:center;height:22px;padding:0 9px;margin-bottom:6px;border-radius:999px;background:var(--bed-ink);color:var(--bed);font-size:12px;font-weight:700}
.lt-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.lt-chips li{border:1px solid #343A44;border-radius:999px;padding:3px 10px;font-size:12.5px;font-weight:600;color:var(--bed-ink);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lt-steps{display:grid;gap:16px}
.lt-step{display:grid;grid-template-columns:18px minmax(0,1fr);gap:4px 12px;align-items:start;color:#6E7480;transition:color .3s}
.lt-step.on{color:var(--bed-ink)}
.lt-step.done{color:var(--bed-ink-2)}
.lt-dot{position:relative;width:18px;height:18px;margin-top:2px;border-radius:50%;border:2px solid #4A4F58;transition:border-color .3s,background .3s}
.lt-step.on .lt-dot{border-color:var(--bed-ink)}
.lt-step.on .lt-dot::after{content:"";position:absolute;inset:2px;border-radius:50%;background:var(--bed-ink);animation:ltpulse 1.5s ease-in-out infinite}
.lt-step.done .lt-dot{background:var(--bed-ink-2);border-color:var(--bed-ink-2)}
.lt-step.done .lt-dot::after{content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;border:solid var(--bed);border-width:0 2px 2px 0;transform:rotate(45deg)}
@keyframes ltpulse{0%,100%{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}
.lt-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 8px}
.lt-head b{font-size:15.5px;font-weight:650;letter-spacing:-.01em;line-height:1.4}
.lt-sub{font-size:12.5px;font-weight:500;color:var(--bed-ink-2)}
.lt-q{grid-column:2;display:grid;gap:7px;margin-top:2px}
.lt-q li{position:relative;padding-left:17px;font-size:13px;line-height:1.5;color:var(--bed-ink-2);overflow-wrap:anywhere;min-width:0;animation:rise .45s var(--ease) both}
.lt-q li::before{content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;border:1.5px solid currentColor;border-radius:50%;opacity:.7}
.lt-n{margin-left:8px;font-size:12px;font-weight:600;color:var(--bed-ink);white-space:nowrap}
.lt-bar{height:4px;border-radius:2px;background:#2B2F37;overflow:hidden}
.lt-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--f1),var(--f2),var(--f3),var(--f4),var(--f5),var(--f6));clip-path:inset(0 calc((1 - var(--p,0)) * 100%) 0 0)}
.ph-done .lt-bar i{transition:clip-path .35s var(--ease)}
.lt-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.lt-time{font-size:13px;color:var(--bed-ink-2);font-variant-numeric:tabular-nums}
.lt .btn-line{border-color:#4A4F58;color:var(--bed-ink)}
.lt .btn-line:hover{border-color:var(--bed-ink)}
.lt :focus-visible{outline-color:var(--bed-ink)}
@media(prefers-reduced-motion:reduce){.lt *,.lt *::before,.lt *::after{animation:none!important;transition:none!important}}
.notice{display:flex;gap:16px;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-3);padding:22px 24px}
.notice h3{font-size:17px;font-weight:700;letter-spacing:-.02em}
.notice p{margin-top:6px;font-size:14.5px;color:var(--ink-2);line-height:1.65}
.notice .btn{margin-top:16px}
.notice-ico{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--warn-bg);color:var(--warn)}
.notice-ico svg{width:18px;height:18px}
.notice.err{border-color:color-mix(in srgb,var(--danger) 35%,var(--line));background:var(--danger-bg)}
.notice.err .notice-ico{background:transparent;color:var(--danger)}
.notice.err h3{color:var(--danger)}
.notice pre{margin-top:8px;font-family:inherit;font-size:12.5px;white-space:pre-wrap;word-break:break-all;color:var(--ink-2)}

/* Saved cases (local history) */
.hist{margin-top:20px;border:1px solid var(--line);border-radius:var(--r-3);background:var(--surface);padding:20px 24px}
.hist-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.hist-head h3{font-size:16px;font-weight:700;letter-spacing:-.02em}
.hist-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.hist-row:first-of-type{margin-top:12px}
.hist-row button.open{text-align:left;flex:1;min-width:0;background:none;border:0;padding:0}
.hist-row .dx-n{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hist-row .dx-s{font-size:13px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hist-del{font-size:13px;color:var(--ink-3);background:none;border:0;padding:6px 4px}
.hist-del:hover{color:var(--danger)}
.page-foot{margin-top:28px;font-size:12.5px;line-height:1.65;color:var(--ink-3);max-width:70ch}

/* Auth + library */
.center{min-height:calc(100vh - 65px);display:grid;place-items:center;padding:40px clamp(18px,4vw,44px)}
.auth{width:100%;max-width:400px}
.auth h1{font-size:clamp(28px,4vw,36px);font-weight:700;letter-spacing:-.04em;line-height:1.15}
.auth .sub{margin-top:8px;color:var(--ink-2);font-size:15px}
.auth form,.auth .form{margin-top:28px;display:grid;gap:16px}
.msg{font-size:13.5px;line-height:1.6;min-height:20px}
.msg.error{color:var(--danger)}.msg.ok{color:var(--ink)}
.auth-alt{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);font-size:14px}
.auth-fine{margin-top:20px;font-size:13px;line-height:1.65;color:var(--ink-3)}
.lib{max-width:760px;padding:48px 0 80px}
.lib h1{font-size:clamp(30px,4.4vw,44px);font-weight:700;letter-spacing:-.04em;line-height:1.1}
.lib .acct{margin-top:8px;font-size:14px;color:var(--ink-3)}
.lib-list{margin-top:28px;border-top:1px solid var(--line-2)}
.lib-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.lib-row .dx-n{font-size:17px;font-weight:600;letter-spacing:-.015em}
.lib-row .dx-s{margin-top:2px;font-size:13.5px;color:var(--ink-3)}
.state{margin-top:24px;font-size:15px;color:var(--ink-2)}

/* Marketing */
.hero{padding:clamp(40px,7vw,96px) 0 clamp(48px,7vw,96px)}
.hero-grid{display:grid;gap:clamp(40px,6vw,72px);align-items:center}
@media(min-width:980px){.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,.92fr)}}
.display{font-size:clamp(46px,7.2vw,104px);line-height:.98;letter-spacing:-.052em;font-weight:700;text-wrap:balance}
html:lang(ko) .display{font-size:clamp(40px,6vw,84px);line-height:1.1;letter-spacing:-.045em}
.lede{margin-top:clamp(20px,3vw,32px);font-size:clamp(17px,1.5vw,20px);line-height:1.65;color:var(--ink-2);max-width:32em}
.cta-row{margin-top:clamp(24px,3.4vw,40px);display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.assure{margin-top:18px;font-size:14px;color:var(--ink-3)}
.sample{position:relative;box-shadow:0 1px 0 var(--line),0 30px 60px -30px color-mix(in srgb,var(--ink) 28%,transparent)}
.sample .brief-head{position:static;padding:14px 20px}
.sample .sec{padding:20px 22px}
.sample .dx h3{font-size:30px}
.sample .rationale{font-size:14.5px;margin-top:8px}
.sample .rise{animation:rise .8s var(--ease) both}
.sample .rise:nth-child(2){animation-delay:.1s}.sample .rise:nth-child(3){animation-delay:.45s}.sample .rise:nth-child(4){animation-delay:.8s}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.ex-tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--ink);color:var(--canvas);font-size:12px;font-weight:700}
.mini-opts{display:grid;gap:0;border-top:1px solid var(--line-2)}
.mini-opt{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 12px;padding:12px 0;border-bottom:1px solid var(--line)}
.mini-opt b{font-size:15px;font-weight:700;letter-spacing:-.01em}
.mini-opt p{grid-column:1/-1;font-size:13.5px;color:var(--ink-2);line-height:1.55}
.mini-ref{display:grid;grid-template-columns:104px minmax(0,1fr);gap:14px;padding:12px 0;border-top:1px solid var(--line)}
.mini-ref:first-of-type{border-top:0;padding-top:0}
.mini-ref a{font-size:14px;font-weight:600;line-height:1.45;text-decoration:none}
.mini-ref a:hover{text-decoration:underline;text-underline-offset:3px}
.mini-ref small{display:block;margin-top:2px;font-size:12.5px;color:var(--ink-3)}
@media(prefers-reduced-motion:reduce){.sample .rise{animation:none}.skel i{animation:none}.spin{animation-duration:2s}}

.section{padding:clamp(56px,9vw,120px) 0}
.section+.section{border-top:1px solid var(--line)}
.h2{font-size:clamp(30px,4.2vw,56px);line-height:1.08;letter-spacing:-.04em;font-weight:700;text-wrap:balance;max-width:16em}
html:lang(ko) .h2{line-height:1.2;letter-spacing:-.035em}
.sec-sub{margin-top:18px;font-size:clamp(16px,1.3vw,18px);line-height:1.7;color:var(--ink-2);max-width:40em}
.steps{margin-top:clamp(32px,5vw,56px);display:grid;border-top:1px solid var(--line-2)}
@media(min-width:860px){.steps{grid-template-columns:repeat(3,1fr)}.step+.step{border-left:1px solid var(--line)}.step{padding-right:32px}.step+.step{padding-left:32px}}
.step{padding:28px 0 8px}
.step h3{font-size:22px;font-weight:700;letter-spacing:-.03em;line-height:1.25}
.step p{margin-top:10px;font-size:15.5px;line-height:1.7;color:var(--ink-2)}
.step .n{font-size:14px;font-weight:700;color:var(--ink-3);margin-bottom:14px;font-variant-numeric:tabular-nums}
.split{display:grid;gap:clamp(32px,6vw,80px)}
@media(min-width:900px){.split{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start}}
.tiers{border-top:1px solid var(--line-2)}
.tier-row{display:grid;grid-template-columns:72px minmax(0,1fr);gap:8px 24px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start}
.tier-row .gauge{height:44px;gap:5px}
.tier-row .gauge b{width:12px}
.tier-row .gauge b:nth-child(1){height:18px}.tier-row .gauge b:nth-child(2){height:31px}.tier-row .gauge b:nth-child(3){height:44px}
.tier-row h3{font-size:19px;font-weight:700;letter-spacing:-.02em}
.tier-row .kinds{margin-top:2px;font-size:14px;font-weight:600;color:var(--ink-2)}
.tier-row p{margin-top:8px;font-size:15px;line-height:1.65;color:var(--ink-2);max-width:44ch}
.facts{margin-top:clamp(28px,4vw,48px);border-top:1px solid var(--line-2)}
.fact{display:grid;gap:6px 40px;padding:22px 0;border-bottom:1px solid var(--line)}
@media(min-width:760px){.fact{grid-template-columns:200px minmax(0,1fr)}}
.fact dt{font-size:17px;font-weight:700;letter-spacing:-.02em}
.fact dd{font-size:15.5px;line-height:1.7;color:var(--ink-2);max-width:56ch}
.band{position:relative;overflow:hidden;border-radius:var(--r-4);background:var(--bed);color:var(--bed-ink);padding:clamp(36px,6vw,84px);margin:clamp(56px,9vw,120px) 0 0}
.band .h2{color:var(--bed-ink);max-width:12em}
.band p{margin-top:16px;color:var(--bed-ink-2);font-size:17px;max-width:30em}
.band .btn-solid{background:var(--bed-ink);color:#111}
.band .cta-row{position:relative;z-index:1}
.band-mark{position:absolute;right:-70px;bottom:-90px;width:min(440px,60%);opacity:.1;pointer-events:none}
.band>*:not(.band-mark){position:relative;z-index:1}
.foot{padding:36px 0 56px;font-size:13px;line-height:1.7;color:var(--ink-3)}
.foot-in{display:grid;gap:20px;border-top:1px solid var(--line);padding-top:28px}
@media(min-width:860px){.foot-in{grid-template-columns:auto minmax(0,1fr);gap:48px;align-items:start}}
.foot .brand{font-size:15px;color:var(--ink)}
.foot .brand .mark{width:22px;height:22px}

/* About */
.doc{display:grid;gap:40px;padding:clamp(36px,6vw,72px) 0 24px}
@media(min-width:980px){.doc{grid-template-columns:200px minmax(0,1fr);gap:72px}}
.toc{align-self:start;display:none}
@media(min-width:980px){.toc{display:block;position:sticky;top:92px}}
.toc a{display:block;padding:7px 0;font-size:14px;font-weight:500;color:var(--ink-3);text-decoration:none;border-left:2px solid var(--line);padding-left:14px;transition:color .15s,border-color .15s}
.toc a:hover,.toc a.on{color:var(--ink);border-left-color:var(--ink)}
.doc-main>section{padding:clamp(40px,6vw,72px) 0;border-top:1px solid var(--line)}
.doc-main>section:first-child{border-top:0;padding-top:0}
.doc-main h1{font-size:clamp(38px,6vw,76px);line-height:1;letter-spacing:-.05em;font-weight:700;text-wrap:balance}
html:lang(ko) .doc-main h1{line-height:1.12;letter-spacing:-.04em}
.pipe{margin-top:32px;border-top:1px solid var(--line-2)}
.pipe-row{display:grid;gap:6px 32px;padding:24px 0;border-bottom:1px solid var(--line)}
@media(min-width:760px){.pipe-row{grid-template-columns:56px 200px minmax(0,1fr)}}
.pipe-row .n{font-size:14px;font-weight:700;color:var(--ink-3);font-variant-numeric:tabular-nums;padding-top:3px}
.pipe-row h3{font-size:20px;font-weight:700;letter-spacing:-.025em}
.pipe-row p{font-size:15.5px;line-height:1.7;color:var(--ink-2);max-width:54ch}

/* Report + print */
.report{max-width:820px;margin:0 auto;padding-top:28px;padding-bottom:72px}
.report-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.report-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:0 0 18px}
.report-head h1{font-size:26px;font-weight:700;letter-spacing:-.035em;line-height:1.15}
.report-head .sub{margin-top:4px;font-size:13px;color:var(--ink-3)}
.report-head .gen{font-size:12.5px;color:var(--ink-3);text-align:right;line-height:1.5;white-space:nowrap}
.report .brief{border-radius:var(--r-2)}
.report .brief .ctx-row{padding:14px 28px;border-bottom:1px solid var(--line)}
@media print{
  @page{margin:14mm}
  html,body{background:#fff!important;color:#000}
  .no-print,.nav{display:none!important}
  .report{max-width:none;padding:0}
  .brief{border-color:#cfd2cd;box-shadow:none}
  .sec,.ref,.dx,.mini-ref{break-inside:avoid}
  .spectrum,.fitz-chip,.gauge b,.dot{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .gauge[data-n] b{background:#c6cac4}
  .gauge[data-n="1"] b:nth-child(1),.gauge[data-n="2"] b:nth-child(-n+2),.gauge[data-n="3"] b{background:#14161A}
}

/* Example brief + the wait */
.ex-banner{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:12px 24px;background:var(--inset);border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink-2)}
.load-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px}
@media(max-width:640px){.ex-banner{padding:12px 20px}}

/* Partial result */
.warn-banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:12px 24px;background:var(--warn-bg);border-bottom:1px solid var(--line);font-size:13.5px;line-height:1.55;color:var(--warn)}
@media(max-width:640px){.warn-banner{padding:12px 20px}}

/* Install button + iPhone how-to */
#installBtn{display:inline-flex;align-items:center}
#installBtn[hidden]{display:none}
@media(max-width:520px){#installBtn .t{display:none}#installBtn svg{margin-right:0!important}#installBtn{padding:0 10px}}
.pwa-dlg{border:1px solid var(--line-2);border-radius:var(--r-3);padding:24px;max-width:340px;background:var(--surface);color:var(--ink)}
.pwa-dlg::backdrop{background:rgba(0,0,0,.4)}
.pwa-dlg h2{font-size:18px;font-weight:700;letter-spacing:-.02em}
.pwa-dlg p{margin:8px 0 18px;font-size:14.5px;line-height:1.65;color:var(--ink-2)}

/* Account zone (library) */
.acct-zone{margin-top:56px;padding-top:28px;border-top:1px solid var(--line-2);max-width:56ch}
.acct-zone h2{font-size:17px;font-weight:700;letter-spacing:-.02em}
.acct-zone p{margin-top:8px;font-size:14.5px;line-height:1.7;color:var(--ink-2)}
.acct-zone .btn{margin-top:16px}
.acct-zone .fine{margin-top:12px}

/* Privacy / legal document, bilingual in markup so it reads without JavaScript */
html[data-lang="ko"] .l-en,html[data-lang="en"] .l-ko{display:none}
html:not([data-lang]) .nav .l-ko{display:none}
.legal{max-width:760px;padding-top:clamp(36px,6vw,72px);padding-bottom:24px}
html:not([data-lang]) .legal>div+div{margin-top:56px;padding-top:40px;border-top:1px solid var(--line-2)}
.legal h1{font-size:clamp(34px,5.4vw,60px);line-height:1.04;letter-spacing:-.045em;font-weight:700;text-wrap:balance}
html:lang(ko) .legal h1{line-height:1.15;letter-spacing:-.035em}
.legal .meta{margin-top:14px;font-size:13.5px;color:var(--ink-3)}
.legal .lede{margin-top:20px;font-size:clamp(16px,1.3vw,18px);line-height:1.75;color:var(--ink-2);max-width:60ch}
.legal section{margin-top:clamp(36px,5vw,56px)}
.legal h2{font-size:clamp(22px,2.4vw,28px);line-height:1.2;letter-spacing:-.03em;font-weight:700}
.legal h3{margin-top:22px;font-size:16px;font-weight:700;letter-spacing:-.015em}
.legal p,.legal li{margin-top:10px;font-size:15.5px;line-height:1.75;color:var(--ink-2);max-width:64ch}
.legal ul{margin-top:6px;padding-left:1.1em;list-style:disc}
.legal li{padding-left:.2em}
.legal li b{color:var(--ink)}
.legal code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em;padding:1px 5px;border-radius:5px;background:var(--bg-2,rgba(127,127,127,.12))}
.legal .facts{margin-top:18px}

.send-note{margin-top:10px;text-align:center}