*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  background:#f4f5f8;color:#1a1a2a;line-height:1.7}
.banner{background:#fff3cd;color:#7a5c00;padding:10px 16px;text-align:center;
  border-bottom:1px solid #e6d08a;font-size:.9rem}
.wrap{max-width:480px;margin:30px auto;background:#fff;padding:26px 28px;
  border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.08)}
h1{font-size:1.4rem;margin-top:0}
label{display:block;margin:.8em 0 .3em;font-size:.9rem;color:#555}
input{width:100%;padding:10px 12px;border:1px solid #ccd;border-radius:8px;font-size:1rem}
button{margin-top:16px;padding:10px 18px;border:none;border-radius:8px;
  background:#4a5cff;color:#fff;font-size:1rem;font-weight:600;cursor:pointer}
button:hover{filter:brightness(1.05)}
.note{margin-top:16px;font-size:.82rem;color:#888}
/* panel (dark) */
body.panel{background:#0d0f1a;color:#dfe3f5}
.panel-card{max-width:420px;margin:50px auto;background:#161a2e;padding:26px 28px;
  border-radius:12px;border:1px solid #29304f}
.panel-card.wide{max-width:640px}
.panel-card .sub{color:#8a93bf;font-size:.9rem}
.panel-card input{background:#0d0f1a;border:1px solid #29304f;color:#dfe3f5}
.hint-mini{margin-top:10px;font-size:.8rem;color:#6b73a0}
.err{color:#ff6b8a;min-height:1.2em;font-size:.9rem}
.panel-foot{text-align:center;color:#4a527d;font-size:.78rem;padding:20px}
code{background:#0d0f1a;padding:2px 7px;border-radius:5px;color:#5cd6b0}
.flag{font-size:1.05rem;color:#5cd6b0}
.admin-box{background:#12261f;border:1px solid #235c46;border-radius:10px;padding:16px;margin-top:14px}
.deny-box{background:#2a1620;border:1px solid #5c2338;border-radius:10px;padding:16px;margin-top:14px}
.memo{max-width:100%;border-radius:8px;margin-top:12px;border:1px solid #29304f}
.muted{color:#8a93bf;font-size:.85rem}
a{color:#7c9cff}
h2{font-size:1.1rem;color:#5cd6b0}