:root{--bg:#f5f6f8;--panel:#fff;--line:#dfe3e8;--text:#1f2933;--muted:#6b7785;--primary:#1f5fbf;--danger:#c0392b;--ok:#1e8449;--warn:#b9770e}
*{box-sizing:border-box}
body{margin:0;font-family:"Pretendard","Malgun Gothic",system-ui,sans-serif;font-size:14px;color:var(--text);background:var(--bg)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.topbar{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:#13294b;color:#fff}
.topbar a,.topbar button{color:#fff}
.topbar .brand{font-weight:700;font-size:16px}
.topbar .user{display:flex;gap:12px;align-items:center}
.layout{display:flex;min-height:calc(100vh - 52px)}
.sidebar{width:230px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--line);padding:12px 0}
.sidebar ul{list-style:none;margin:0;padding:0}
.sidebar ul ul{padding-left:14px}
.sidebar li>a,.sidebar li>.folder{display:block;padding:7px 18px;color:var(--text)}
.sidebar li>.folder{font-weight:700;color:var(--muted);font-size:13px;margin-top:6px}
.sidebar li.active>a{background:#e8f0fc;color:var(--primary);font-weight:600;border-right:3px solid var(--primary)}
.content{flex:1;padding:20px 24px;min-width:0}
h1{font-size:20px;margin:0 0 16px}
h2{font-size:15px;margin:0 0 12px}
.grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(320px,2fr);gap:16px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:16px;margin-bottom:16px}
table{width:100%;border-collapse:collapse;background:var(--panel)}
th,td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}
th{background:#f0f2f5;font-weight:600;white-space:nowrap}
tr.selected td{background:#fff8e1}
td.num,th.num,.num{text-align:right;font-variant-numeric:tabular-nums}
td.mono,.mono{font-family:ui-monospace,Consolas,monospace;font-size:12.5px}
.form-row{display:flex;flex-direction:column;gap:4px;margin-bottom:10px}
.form-row label{font-weight:600;font-size:12.5px;color:var(--muted)}
.form-inline{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
input[type=text],input[type=password],input[type=number],input[type=email],input[type=datetime-local],select,textarea{width:100%;padding:7px 8px;border:1px solid var(--line);border-radius:4px;font:inherit;background:#fff}
.form-inline input,.form-inline select{width:auto}
textarea{min-height:60px}
.checks{display:flex;flex-wrap:wrap;gap:6px 14px}
.checks label{font-weight:400;color:var(--text)}
.btn{display:inline-block;padding:6px 14px;border-radius:4px;border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer;font:inherit}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.sm{padding:3px 8px;font-size:12px}
.btn.link{border:none;background:none;padding:0;color:inherit;cursor:pointer}
.actions{display:flex;gap:8px;margin-top:12px}
.alert{padding:10px 14px;border-radius:4px;margin-bottom:14px}
.alert.ok{background:#e9f7ef;color:var(--ok);border:1px solid #b7e1c7}
.alert.err{background:#fdecea;color:var(--danger);border:1px solid #f5c0b8}
.alert.warn{background:#fef5e7;color:var(--warn);border:1px solid #f8dba5}
.badge{display:inline-block;padding:1px 7px;border-radius:10px;font-size:11.5px;background:#eef1f5;color:var(--muted)}
.badge.on{background:#e9f7ef;color:var(--ok)}
.badge.off{background:#fdecea;color:var(--danger)}
.badge.get{background:#e8f0fc;color:var(--primary)}
.muted{color:var(--muted)}
.field-error{color:var(--danger);font-size:12px}
.pager{display:flex;gap:4px;margin-top:10px;flex-wrap:wrap}
.pager a,.pager span{padding:4px 9px;border:1px solid var(--line);border-radius:3px;background:#fff}
.pager .cur{background:var(--primary);color:#fff;border-color:var(--primary)}
pre{background:#f0f2f5;padding:10px;border-radius:4px;overflow:auto;font-size:12.5px}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-box{width:360px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px}
.login-box h1{text-align:center}
.inline-form{display:inline}
@media (max-width: 1100px){.grid{grid-template-columns:1fr}.sidebar{width:190px}}