:root { --bg:#0f1115; --card:#181b22; --line:#2a2f3a; --fg:#e8eaed; --muted:#9aa0a6; --accent:#4c8dff; }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--fg);
  font:15px/1.6 "Malgun Gothic","맑은 고딕",system-ui,sans-serif; }
.wrap { max-width:920px; margin:0 auto; padding:32px 20px 64px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:20px; }
.login { max-width:360px; margin:12vh auto; }
.login h1 { margin:0 0 18px; font-size:22px; letter-spacing:.5px; }
label { display:block; margin:0 0 14px; color:var(--muted); font-size:13px; }
label.row { display:flex; gap:8px; align-items:center; }
input:not([type=checkbox]), select { width:100%; margin-top:6px; padding:10px 12px; border-radius:9px;
  border:1px solid var(--line); background:#0d0f14; color:var(--fg); font-size:15px; }
button { width:100%; padding:11px; border:0; border-radius:9px; background:var(--accent);
  color:#fff; font-size:15px; font-weight:600; cursor:pointer; }
button.mini { width:auto; padding:6px 10px; font-size:13px; font-weight:500; }
button.danger { background:#c5382f; }
.error { background:#3a1f1f; border:1px solid #6b2b26; color:#ffb4ae;
  padding:9px 11px; border-radius:9px; font-size:13px; }
.ok { background:#12301f; border:1px solid #235c39; color:#a6e8bf;
  padding:9px 11px; border-radius:9px; font-size:13px; word-break:break-all; }
.muted { color:var(--muted); font-size:13px; }
.topbar { display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:22px; }
.topbar form { display:inline; }
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(210px,1fr)); gap:14px; }
a { color:var(--accent); }
a.tool { display:block; text-decoration:none; color:inherit; background:var(--card);
  border:1px solid var(--line); border-radius:14px; padding:18px; transition:.12s; }
a.tool:hover { border-color:var(--accent); transform:translateY(-2px); }
a.tool .emoji { font-size:26px; }
a.tool .name { font-weight:600; margin-top:8px; }
a.tool .desc { color:var(--muted); font-size:12.5px; margin-top:4px; }
table { width:100%; border-collapse:collapse; font-size:14px; }
th, td { padding:8px 6px; border-bottom:1px solid var(--line); text-align:left; }
th { color:var(--muted); font-weight:500; font-size:12.5px; }
nav.tabs { display:flex; gap:14px; margin-bottom:18px; }
nav.tabs a { color:var(--muted); text-decoration:none; padding-bottom:4px; }
nav.tabs a.on { color:var(--fg); border-bottom:2px solid var(--accent); }