:root {
  --bg: #0f1220;
  --panel: #191d2e;
  --panel-2: #212639;
  --text: #e8eaf2;
  --muted: #9aa0b4;
  --accent: #6a8cff;
  --accent-2: #4f6fe0;
  --danger: #e05a6f;
  --ok: #3ec98a;
  --border: #2b3049;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { font-size: 20px; font-weight: 700; color: var(--text); }
.site-header nav { display: flex; align-items: center; gap: 16px; }
.linkbtn { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 1rem; padding: 0; }

.container { max-width: 960px; margin: 0 auto; padding: 28px 22px 60px; }
h1 { margin: 0 0 6px; }
.subtitle { color: var(--muted); margin-top: 0; }
.empty { color: var(--muted); padding: 40px; text-align: center; border: 1px dashed var(--border); border-radius: 12px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.card {
  display: flex; flex-direction: column; background: var(--panel);
  border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
}
.card-icon {
  display: flex; align-items: center; justify-content: center;
  height: 120px; background: var(--panel-2);
}
.card-icon img { max-width: 84px; max-height: 84px; object-fit: contain; }
.icon-fallback { font-size: 48px; }
.card-body { padding: 14px 16px 4px; }
.card-body h2 { font-size: 17px; margin: 0 0 6px; }
.badge {
  display: inline-block; font-size: 12px; color: var(--accent);
  background: rgba(106,140,255,.12); padding: 2px 8px; border-radius: 999px;
}
.desc { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.card-foot {
  margin-top: auto; display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-top: 1px solid var(--border);
}
.meta { color: var(--muted); font-size: 13px; }

.btn {
  display: inline-block; background: var(--accent); color: #fff; border: none;
  padding: 8px 16px; border-radius: 9px; cursor: pointer; font-size: 14px; font-weight: 600;
}
.btn:hover { background: var(--accent-2); text-decoration: none; }
.btn.full { width: 100%; margin-top: 8px; }
.btn.danger { background: var(--danger); padding: 6px 12px; }

.auth-box { max-width: 360px; margin: 40px auto; background: var(--panel); padding: 28px; border: 1px solid var(--border); border-radius: 14px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; margin-bottom: 24px; }
.panel h2 { margin-top: 0; }

form label { display: block; margin-bottom: 14px; font-size: 14px; color: var(--muted); }
input[type=text], input[type=password], textarea, input[type=file] {
  display: block; width: 100%; margin-top: 6px; padding: 9px 11px;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 14px;
}
textarea { resize: vertical; }

.alert { padding: 10px 14px; border-radius: 9px; margin-bottom: 16px; font-size: 14px; }
.alert.error { background: rgba(224,90,111,.15); color: #ffb3bf; }
.alert.ok { background: rgba(62,201,138,.15); color: #a7f0cd; }

.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tbl th { color: var(--muted); font-weight: 600; }
.tbl-icon { width: 28px; height: 28px; object-fit: contain; vertical-align: middle; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); font-size: 12px; }

.site-footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px; border-top: 1px solid var(--border); }