:root{--bg:#f4f6f9;--card:#fff;--fg:#1d2433;--muted:#6b7385;--line:#e2e6ee;--pri:#1f6feb;--pri-fg:#fff;--ok:#e7f6ec;--ok-fg:#1a7f37;--err:#fdecec;--err-fg:#c62828;--warn:#9a6700}
@media (prefers-color-scheme:dark){:root{--bg:#11151c;--card:#1a2029;--fg:#e6e9ef;--muted:#9aa3b2;--line:#2b3340;--pri:#4c8dff;--ok:#16301f;--ok-fg:#6fdc8c;--err:#3a1717;--err-fg:#ff8a80;--warn:#e3b341}}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;background:var(--bg);color:var(--fg);font-size:15px}
a{color:var(--pri);text-decoration:none}
header.top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--fg)} .brand small{color:var(--muted);font-weight:400}
nav{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
nav a{padding:6px 10px;border-radius:6px;color:var(--fg)} nav a.on,nav a:hover{background:var(--bg);color:var(--pri)}
main{max-width:1200px;margin:0 auto;padding:16px}
h1{font-size:22px;margin:8px 0 16px} h2{font-size:17px;margin:0 0 12px} h2 .small{font-size:13px;font-weight:400;margin-left:8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.grid .card{margin-bottom:0} .grid+.card{margin-top:16px}
.field{display:block;margin-bottom:12px} .field>span{display:block;font-weight:600;margin-bottom:4px} .field small{display:block;color:var(--muted);margin-top:3px}
input,select,textarea{font:inherit;padding:7px 9px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);max-width:100%}
.field input:not([type=checkbox]),.field select,.field textarea{width:100%;max-width:520px}
input[type=checkbox]{width:18px;height:18px;vertical-align:middle}
button{font:inherit;padding:7px 14px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);cursor:pointer}
button.primary{background:var(--pri);border-color:var(--pri);color:var(--pri-fg)} button.danger{color:var(--err-fg)}
button.big{font-size:18px;padding:14px 22px;width:100%} button.wide{width:100%} button.small{padding:2px 8px;font-size:13px}
button.link{border:0;background:none;color:var(--muted);padding:6px 10px}
form.inline{display:inline}
.row-form{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.inline-check{display:inline-flex;gap:4px;align-items:center;color:var(--muted)}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px} .flash.ok{background:var(--ok);color:var(--ok-fg)} .flash.err{background:var(--err);color:var(--err-fg)}
.muted{color:var(--muted)} .warn{color:var(--warn)} .err-text{color:var(--err-fg)}
.state{font-size:20px;font-weight:700} .state.on{color:var(--err-fg)} .state.off{color:var(--muted)}
.table-wrap{overflow-x:auto} table{border-collapse:collapse;width:100%} th,td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}
th{color:var(--muted);font-weight:600;white-space:nowrap} tr.fail td{color:var(--err-fg)} .nowrap{white-space:nowrap} td.detail{max-width:380px;word-break:break-all}
.tabs a{display:inline-block;padding:5px 12px;border:1px solid var(--line);border-radius:999px;margin-right:4px;color:var(--fg)} .tabs a.on{background:var(--pri);color:var(--pri-fg);border-color:var(--pri)}
pre{background:var(--bg);padding:10px;border-radius:6px;overflow-x:auto;font-size:13px} pre.copy{user-select:all;word-break:break-all;white-space:pre-wrap}
ul.plain{list-style:none;padding:0;margin:0} ul.plain li{padding:5px 0}
.login{max-width:380px;margin:80px auto}
.pager a{margin-right:12px}
code{background:var(--bg);padding:1px 5px;border-radius:4px}
/* ---- 사용자 페이지 (휴대폰) ---- */
body.portal main{max-width:480px;padding:20px 16px calc(24px + env(safe-area-inset-bottom))}
.p-head{text-align:center;margin:12px 0 20px} .p-head h1{font-size:24px;margin:0 0 4px}
.gate-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;width:100%;aspect-ratio:1/1;max-height:46vh;border-radius:28px;border:0;background:var(--pri);color:#fff;font-size:26px;font-weight:700;box-shadow:0 10px 30px rgba(31,111,235,.35)}
.gate-btn .ico{font-size:72px} .gate-btn:active{transform:scale(.98)} .gate-btn:disabled{opacity:.6}
.p-msg{min-height:28px;margin:14px 0;text-align:center;font-weight:600} .p-msg.ok{color:var(--ok-fg)} .p-msg.err{color:var(--err-fg)}
.p-row{display:flex;gap:8px} .p-row button{flex:1;padding:14px 8px}
.p-help{margin-top:16px;color:var(--muted);font-size:14px}
input.pin{width:100%;font-size:28px;text-align:center;letter-spacing:8px;margin-bottom:12px;padding:12px}
.link-line{flex-basis:100%;display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px}
code.copy{user-select:all;word-break:break-all}