:root{
  --paper:#FAFAF8;
  --panel:#FFFFFF;
  --ink:#1B1D22;
  --muted:#6B7078;
  --line:#E4E2DD;
  --accent:#3B4CCB;
  --accent-soft:#EAECFB;
  --warn:#B5791A;
  --warn-soft:#FBF0DD;
  --danger:#C63F3F;
  --danger-soft:#FBE9E9;
  --track:#ECEAE4;
}
:root[data-theme="dark"]{
  --paper:#131417;
  --panel:#1B1D22;
  --ink:#ECEDEF;
  --muted:#9096A0;
  --line:#2D2F36;
  --accent:#7C8AFB;
  --accent-soft:#242850;
  --warn:#E3A94B;
  --warn-soft:#3A2E15;
  --danger:#E9706F;
  --danger-soft:#3A1D1D;
  --track:#25272D;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#131417;
    --panel:#1B1D22;
    --ink:#ECEDEF;
    --muted:#9096A0;
    --line:#2D2F36;
    --accent:#7C8AFB;
    --accent-soft:#242850;
    --warn:#E3A94B;
    --warn-soft:#3A2E15;
    --danger:#E9706F;
    --danger-soft:#3A1D1D;
    --track:#25272D;
  }
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{background:var(--paper);}
.num{font-variant-numeric:tabular-nums;font-family:ui-monospace,"SF Mono","SFMono-Regular",Consolas,"Roboto Mono",monospace;}

.page{
  background:var(--paper);
  color:var(--ink);
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",-apple-system,BlinkMacSystemFont,sans-serif;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:0 16px 40px;
}

.wrap{width:100%;max-width:640px;margin-top:20px;}

header{padding:8px 0 22px;text-align:center;}
.brand{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 6px;
}
h1{
  font-size:clamp(24px,5vw,30px);
  font-weight:800;
  margin:0 0 6px;
  letter-spacing:-.01em;
  text-wrap:balance;
}
.tagline{color:var(--muted);font-size:14.5px;margin:0;}

.hero{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px 24px 18px;
  text-align:center;
  margin-bottom:14px;
}
.hero .count{
  font-size:clamp(52px,14vw,72px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
}
.hero .count-label{
  margin-top:6px;
  font-size:13px;
  color:var(--muted);
  font-weight:600;
}

.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-bottom:14px;
}
.stat{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:10px;
  padding:12px 10px;
  text-align:center;
}
.stat .v{font-size:19px;font-weight:700;}
.stat .l{font-size:11.5px;color:var(--muted);margin-top:3px;font-weight:600;}

.target-module{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px 18px;
  margin-bottom:14px;
}
.target-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:10px;
  flex-wrap:wrap;
}
.target-head label{font-size:13.5px;font-weight:700;}
.target-head input[type="number"]{
  width:96px;
  padding:6px 8px;
  border-radius:7px;
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--ink);
  font-size:14px;
}
.target-status{font-size:13px;font-weight:700;}
.target-status.ok{color:var(--accent);}
.target-status.warn{color:var(--warn);}
.target-status.over{color:var(--danger);}
.bar-track{
  height:8px;
  border-radius:99px;
  background:var(--track);
  overflow:hidden;
}
.bar-fill{
  height:100%;
  border-radius:99px;
  background:var(--accent);
  width:0%;
  transition:width .15s ease, background .15s ease;
}
.bar-fill.warn{background:var(--warn);}
.bar-fill.over{background:var(--danger);}

.editor{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  margin-bottom:8px;
}
.editor-toolbar{
  display:flex;
  gap:8px;
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  flex-wrap:wrap;
}
.btn{
  font-family:inherit;
  font-size:12.5px;
  font-weight:600;
  padding:7px 12px;
  border-radius:8px;
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--ink);
  cursor:pointer;
}
.btn:hover{border-color:var(--accent);color:var(--accent);}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn.primary:hover{opacity:.9;color:#fff;}
input[type="file"]{display:none;}

.editor-area{
  position:relative;
  min-height:260px;
}
.editor-area .layer{
  margin:0;
  width:100%;
  height:100%;
  min-height:260px;
  padding:16px;
  font-size:15.5px;
  line-height:1.7;
  font-family:inherit;
  white-space:pre-wrap;
  word-wrap:break-word;
  box-sizing:border-box;
}
.highlight-layer{
  position:absolute;
  inset:0;
  color:transparent;
  overflow:hidden;
  pointer-events:none;
}
.highlight-layer mark{
  background:transparent;
  color:transparent;
  text-decoration:underline wavy var(--danger);
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
textarea{
  position:relative;
  display:block;
  border:none;
  outline:none;
  resize:vertical;
  background:transparent;
  color:var(--ink);
}
textarea::placeholder{color:var(--muted);}

.privacy-note{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--muted);
  margin:10px 2px 0;
}
.privacy-note .dot{width:6px;height:6px;border-radius:99px;background:var(--accent);flex:none;}
.typo-note{
  font-size:12px;
  color:var(--muted);
  margin:6px 2px 0;
}

@media (max-width:420px){
  .stats{grid-template-columns:repeat(3,1fr);}
  .hero{padding:20px 16px 14px;}
}