:root{--blue:#1565D8;--blue2:#0D47A1;--bg:#F6F8FC;--card:#fff;--text:#14213D;--muted:#6B7280;--line:#E5E7EB;--danger:#D64545;--ok:#168A5B;--warn:#E89B2C}
*{box-sizing:border-box} body{margin:0;font-family:Arial,"Noto Sans KR",sans-serif;background:var(--bg);color:var(--text)}
header{position:sticky;top:0;z-index:5;background:var(--blue);color:#fff;padding:16px 18px;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:800;font-size:20px}.brand small{display:block;font-weight:500;font-size:11px;opacity:.8}
main{max-width:900px;margin:auto;padding:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;margin-bottom:14px;box-shadow:0 6px 18px rgba(22,42,90,.05)}
.tabs{display:flex;gap:8px;overflow:auto;margin-bottom:14px}.tab{border:0;background:#EAF1FE;color:var(--blue2);padding:10px 14px;border-radius:999px;font-weight:700;white-space:nowrap}.tab.active{background:var(--blue);color:#fff}
button{border:0;border-radius:12px;padding:11px 14px;font-weight:700;cursor:pointer}.primary{background:var(--blue);color:white}.secondary{background:#EEF2F7;color:var(--text)}.danger{background:#FDECEC;color:var(--danger)}
input,select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:white;font-size:15px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
label{font-size:12px;color:var(--muted);font-weight:700;display:block;margin-bottom:5px}.field{margin-bottom:10px}
.member{display:flex;justify-content:space-between;gap:12px;align-items:center;border-top:1px solid var(--line);padding:14px 0}.member:first-child{border-top:0}.name{font-weight:800}.meta{font-size:13px;color:var(--muted);margin-top:4px}
.badge{font-size:11px;border-radius:999px;padding:5px 8px;font-weight:800;display:inline-block}.activeB{background:#E7F7EF;color:var(--ok)}.pausedB{background:#FFF4DE;color:#9A6500}.expiredB{background:#FDECEC;color:var(--danger)}
.hidden{display:none!important}.section-title{font-size:18px;font-weight:800;margin:0 0 12px}.muted{color:var(--muted);font-size:13px}
.auth{max-width:430px;margin:40px auto}.notice{padding:12px;border-radius:12px;background:#EEF5FF;color:#174F97;margin-bottom:12px;font-size:13px}.alert{padding:12px;border-left:4px solid var(--blue);background:#F8FBFF;margin:8px 0;border-radius:8px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.grow{flex:1}
@media(max-width:650px){.grid,.grid3{grid-template-columns:1fr}main{padding:12px}.card{border-radius:14px}}