:root {
  --bg: #f3f5f7;
  --card: #fff;
  --ink: #1a1f24;
  --muted: #5b6770;
  --line: #d5dce0;
  --accent: #0b6e4f;
  --warn: #9a6700;
  --bad: #b42318;
  --ok: #0b6e4f;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Pretendard", "Noto Sans KR", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d9efe6 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #e7eef8 0%, transparent 50%),
    var(--bg);
  min-height: 100vh;
}
.top {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.85rem 1.5rem;
  background: rgba(255,255,255,0.85);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.1rem;
}
nav { display: flex; gap: 0.75rem; flex: 1; }
nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
}
nav a:hover { background: #eef3f0; color: var(--ink); }
.ver { color: var(--muted); font-size: 0.85rem; font-family: var(--mono); }
main { max-width: 960px; margin: 0 auto; padding: 1.75rem 1.25rem 3rem; }
.foot {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1.5rem;
}
h1 { font-size: 1.6rem; margin: 0 0 0.35rem; }
.lead { color: var(--muted); margin: 0 0 1.5rem; line-height: 1.5; }
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.15rem 1.2rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-1px); }
.card h2 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.45; }
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
label { display: block; font-weight: 600; margin-bottom: 0.4rem; }
input[type=file] { width: 100%; }
.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }
button, .btn {
  appearance: none;
  border: 0;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button.secondary, .btn.secondary { background: #334155; }
button:disabled { opacity: 0.55; cursor: not-allowed; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0.5rem;
  text-align: left;
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; }
.badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}
.badge.ok { background: #d8f3e7; color: var(--ok); }
.badge.fail { background: #fde2e1; color: var(--bad); }
.badge.warn { background: #fff3cd; color: var(--warn); }
.mono { font-family: var(--mono); font-size: 0.85rem; word-break: break-all; }
.warn-list { color: var(--warn); margin: 0.5rem 0; padding-left: 1.2rem; }
.progress {
  height: 8px;
  background: #e8eef1;
  border-radius: 999px;
  overflow: hidden;
  margin: 0.75rem 0;
}
.progress > span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width .3s;
}
.note { font-size: 0.88rem; color: var(--muted); }
.kv { display: grid; grid-template-columns: 180px 1fr; gap: 0.35rem 1rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
@media (max-width: 640px) {
  .kv { grid-template-columns: 1fr; }
  .top { flex-wrap: wrap; }
}