:root{
  --bg:#f7931e; --card:#ffffff; --fg:#1d222b; --muted:#5b6472; --line:#d9dde3; --soft:#f6f7f9;
  --accent:#f39200; --accent-ink:#1d222b; --tag:#fff1de; --tag-ink:#8a4b00; --ok:#1f7a45; --err:#b3261e; --navy:#2c3e66;
  --font:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#3a2208; --card:#151a22; --fg:#e8ebf0; --muted:#9aa3b2; --line:#2f3644; --soft:#1b212b;
  --accent:#ffa733; --accent-ink:#1a1206; --tag:#33260f; --tag-ink:#ffc067; --ok:#5fd394; --err:#ff8a80; --navy:#9fb4e0; color-scheme:dark}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body,h1,p,li{word-break:keep-all}
body{min-height:100vh;background:var(--bg);color:var(--fg);font-family:var(--font);font-weight:500;font-size:14px;line-height:1.55;
  padding-block:max(24px,env(safe-area-inset-top,0px)) 24px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap{min-height:calc(100vh - 48px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px}
.card{width:min(400px,100%);background:var(--card);border-radius:20px;padding:28px 24px;display:flex;flex-direction:column;gap:14px;box-shadow:0 20px 50px rgba(120,60,0,.22)}
.logo{height:22px;width:auto;align-self:flex-start}
h1{margin:0;font-size:21px;font-weight:800;letter-spacing:-.02em;text-wrap:balance}
.sub{margin:4px 0 0;color:var(--muted);font-size:13px}
label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700}
input[type=text],input[type=password]{font:inherit;font-weight:500;font-size:16px;padding:12px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--fg)}
input:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.check{flex-direction:row;align-items:center;gap:8px;font-weight:500;color:var(--muted)}
.check input{width:18px;height:18px;accent-color:var(--accent)}
button.pri{font:inherit;font-weight:800;font-size:15px;border:0;border-radius:10px;padding:14px;background:var(--accent);color:var(--accent-ink);cursor:pointer}
button.pri:disabled{opacity:.6;cursor:progress}
.err{margin:0;color:var(--err);font-weight:700;font-size:13px;min-height:1.2em}
.err:empty{min-height:0}
.hint{margin:0;color:var(--muted);font-size:12.5px;text-align:center}
.sign{margin:0;color:#3b2a12;font-size:12px;text-align:center}
@media (prefers-color-scheme:dark){.sign{color:var(--muted)}}
.tag{align-self:flex-start;font-size:12px;font-weight:700;color:var(--tag-ink);background:var(--tag);border-radius:999px;padding:4px 10px}
.rules{margin:0;padding:12px 14px;list-style:none;display:flex;flex-direction:column;gap:7px;background:var(--soft);border-radius:10px;font-size:12.5px}
.rules li{display:flex;align-items:center;gap:8px;color:var(--muted)}
.rules li::before{content:"";width:14px;height:14px;border-radius:50%;border:2px solid currentColor;flex:none}
.rules li.ok{color:var(--ok)}
.rules li.ok::before{background:currentColor;box-shadow:inset 0 0 0 2px var(--soft)}
a{color:var(--tag-ink)}