:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#667085;--line:#e4e7ec;--primary:#1f4fd6;--primary-dark:#173ea9;--danger:#b42318;--ok:#067647;--warn:#b54708}
*{box-sizing:border-box}body{margin:0;font-family:Arial,"Noto Sans KR","Malgun Gothic",sans-serif;background:var(--bg);color:var(--text)}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:0 10px 30px rgba(16,24,40,.08)}
.brand{font-size:24px;font-weight:800;margin-bottom:6px}.subtitle{color:var(--muted);font-size:14px;margin-bottom:26px}label{display:block;font-size:13px;font-weight:700;margin:14px 0 7px}
input,select{width:100%;height:42px;border:1px solid var(--line);border-radius:9px;padding:0 12px;font-size:14px;background:#fff}input:focus,select:focus{outline:none;border-color:var(--primary)}
button{height:40px;border:0;border-radius:9px;font-size:14px;font-weight:700;cursor:pointer}.primary{background:var(--primary);color:#fff;padding:0 16px}.primary:hover{background:var(--primary-dark)}.secondary{background:#fff;border:1px solid var(--line);padding:0 14px}
.login-btn{width:100%;height:46px;margin-top:20px}.msg{display:none;margin-top:14px;padding:11px 12px;border-radius:9px;font-size:13px;line-height:1.45}.msg.error{display:block;background:#fef3f2;color:var(--danger)}.msg.ok{display:block;background:#ecfdf3;color:var(--ok)}
.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:#fff;border-bottom:1px solid var(--line)}.topbar .title{font-weight:800}.topbar .user{font-size:13px;color:var(--muted)}
.container{max-width:1320px;margin:0 auto;padding:28px 22px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.stat .k{font-size:13px;color:var(--muted);margin-bottom:8px}.stat .v{font-size:28px;font-weight:800}
.panel{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.panel h2{font-size:18px;margin:0 0 10px}.panel p{color:var(--muted);margin:0;line-height:1.6}.logout{height:36px;padding:0 14px;background:#fff;border:1px solid var(--line)}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.toolbar input[type=file]{max-width:420px;height:auto;padding:9px}
.badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;background:#eef4ff;color:#3538cd;font-size:12px;font-weight:700}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}table{border-collapse:collapse;width:100%;min-width:1100px}th,td{padding:10px 11px;border-bottom:1px solid var(--line);text-align:left;font-size:12px;white-space:nowrap}th{background:#f9fafb;position:sticky;top:0;z-index:1}tr:last-child td{border-bottom:0}.muted{color:var(--muted)}.warn{color:var(--warn);font-weight:700}.ok{color:var(--ok);font-weight:700}
.navlink{display:inline-flex;align-items:center;height:36px;padding:0 12px;border:1px solid var(--line);border-radius:9px;text-decoration:none;color:var(--text);font-size:13px;font-weight:700;background:#fff}
@media(max-width:850px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.grid{grid-template-columns:1fr}.card{padding:24px}}