:root{--fg:#17212b;--muted:#5b6673;--bg:#f4f7f5;--card:#fff;--line:#d3dcd6;--blue:#0f766e;--blue2:#115e59;--green:#15803d;--amber:#92400e;--red:#b42318}
*{box-sizing:border-box}
html{color-scheme:light}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Apple SD Gothic Neo","Noto Sans KR",sans-serif}
main{max-width:560px;margin:0 auto;padding:20px 16px 48px}
h1{font-size:1.5rem;margin:0 0 4px;line-height:1.35}
h2{font-size:1.0625rem;margin:0 0 8px}h3{font-size:1rem;margin:0 0 4px}
.lead{color:var(--muted);margin:0 0 16px}
form{display:grid;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
label{font-weight:600;margin-top:6px;font-size:.95rem}
.hint{font-weight:400;color:var(--muted);font-size:.84rem}
input,select{width:100%;min-height:48px;padding:10px 12px;font-size:1rem;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--fg)}
input[type=checkbox]{width:22px;height:22px;min-height:22px;padding:0;accent-color:var(--blue)}
button{min-height:48px;padding:10px 14px;font-size:1rem;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--fg);cursor:pointer}
button.primary{margin-top:6px;background:var(--blue);border-color:var(--blue);color:#fff;font-weight:800}
button.primary:hover{background:var(--blue2)}
button.ghost{color:var(--muted)}
.error{color:var(--red);margin:2px 0 0;min-height:1.2em}
.card{margin-top:16px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
[hidden]{display:none!important}
.big{font-size:2rem;font-weight:800;line-height:1.15;margin:4px 0;color:var(--blue)}
.big2{font-size:1.5rem;color:var(--green)}
.kv{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:5px 0;flex-wrap:wrap}
.kv b{font-size:1.125rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.grid2 label{margin-top:0}
.actions{display:grid;gap:8px;margin-top:16px}
.toast{color:var(--green);min-height:1.2em;margin:6px 0}
.small{font-size:.875rem;color:var(--muted)}
.banner{background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12;border-radius:10px;padding:10px 12px;margin:14px 0 0;font-size:.92rem}
.warn-list{margin:12px 0 0;padding-left:18px;color:var(--amber);font-size:.9rem}
.warn-list li{margin:4px 0}
footer{margin-top:24px}
footer ul{padding-left:18px;margin:6px 0}
a{color:var(--blue);overflow-wrap:anywhere}
.ad a{display:inline-block;min-height:44px;line-height:44px}
.profile-bar{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:4px}
.profile-bar button{white-space:nowrap}
details{border:1px dashed var(--line);border-radius:10px;padding:10px 12px;margin-top:6px}
summary{cursor:pointer;font-weight:700;min-height:32px;line-height:32px}
.check{display:flex;align-items:center;gap:10px;margin-top:10px;min-height:44px}
.check input{flex:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.log-list{margin:8px 0 0;padding-left:20px;font-size:.92rem}
.log-list li{margin:2px 0}
#trend{width:100%;height:auto;margin-top:6px}
@media(max-width:420px){
  main{padding:16px 12px 40px}
  h1{font-size:1.38rem}
  .big{font-size:1.8rem}
  .grid2{grid-template-columns:1fr 1fr}
  form,.card{padding:14px}
}