* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: #f6f7f9; color: #1c2430;
  font: 14px/1.65 "Segoe UI", "Malgun Gothic", system-ui, sans-serif;
  padding-bottom: 60px;
}
a { color: #2563eb; }

.top { background: #1f2937; color: #fff; padding: 11px 0; }
.top .in { max-width: 900px; margin: 0 auto; padding: 0 18px; display: flex; align-items: center; gap: 16px; }
.top b { font-size: 15px; }
.top a { color: #cbd5e1; text-decoration: none; font-size: 13px; }
.top a:hover, .top a.on { color: #fff; }
.top .grow { flex: 1; }

.wrap { max-width: 900px; margin: 22px auto; padding: 0 18px; }

h1 { font-size: 20px; margin-bottom: 6px; }
h2 { font-size: 16px; margin: 22px 0 8px; }
.sub { color: #6b7280; font-size: 13px; margin-bottom: 18px; }

.card { background: #fff; border: 1px solid #e3e7ec; border-radius: 10px; padding: 18px; margin-bottom: 16px; }

label { display: block; margin: 12px 0 5px; font-size: 12.5px; color: #52606d; font-weight: 600; }
input[type=text], textarea, select {
  width: 100%; padding: 9px 11px;
  border: 1px solid #d3d9e0; border-radius: 7px;
  font: inherit; background: #fff;
}
textarea { min-height: 150px; resize: vertical; }
input:focus, textarea:focus, .editor:focus { outline: none; border-color: #2563eb; }

.editor {
  min-height: 180px; padding: 11px;
  border: 1px solid #d3d9e0; border-radius: 7px; background: #fff;
}
.toolbar { display: flex; gap: 5px; margin-bottom: 7px; flex-wrap: wrap; }
.toolbar button { padding: 5px 11px; font-size: 12.5px; background: #eef1f5; color: #1c2430; border: 1px solid #d3d9e0; }
.toolbar button:hover { background: #e2e7ee; }

button {
  padding: 9px 20px; border: 0; border-radius: 7px;
  background: #2563eb; color: #fff; font: inherit; font-weight: 600; cursor: pointer;
}
button:hover { background: #1d4ed8; }
button.ghost { background: #fff; color: #374151; border: 1px solid #d3d9e0; font-weight: 500; }
button.ghost:hover { background: #f3f4f6; }
.row { display: flex; gap: 8px; align-items: center; margin-top: 16px; }

table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 10px 12px; border-bottom: 1px solid #eceff3; text-align: left; font-size: 13.5px; }
th { background: #f9fafb; color: #52606d; font-size: 12px; font-weight: 600; }
tr:hover td { background: #fafbfc; }
.muted { color: #9aa4b2; font-size: 12px; }

.note { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; border-radius: 8px; padding: 11px 13px; font-size: 13px; margin-bottom: 16px; }
.ok { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; border-radius: 8px; padding: 11px 13px; margin-top: 14px; }
.bad { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; border-radius: 8px; padding: 11px 13px; margin-top: 14px; }
.hidden { display: none; }

.post-body { margin-top: 14px; white-space: pre-wrap; line-height: 1.8; }
.post-body img { max-width: 100%; border-radius: 8px; }
.cmt { border-top: 1px solid #eceff3; padding: 11px 0; }
.cmt b { font-size: 13px; }
.cmt .t { color: #9aa4b2; font-size: 11.5px; margin-left: 6px; }

.thumb { max-width: 260px; border-radius: 8px; border: 1px solid #e3e7ec; margin-top: 10px; }