:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e2e5ea;
  --text: #1c2333;
  --muted: #7a8296;
  --accent: #3457d5;
  --ok: #23a559;
  --bad: #e5484d;
  --warn: #e5a53f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Pretendard, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 18px; color: var(--accent); text-decoration: none; }
.topbar nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 14px; }
.topbar nav a:hover { color: var(--text); }
.container { max-width: 1100px; margin: 0 auto; padding: 28px 20px; }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
h1 { font-size: 22px; margin: 0 0 16px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  border: none;
  cursor: pointer;
}
.btn.secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn.small { padding: 6px 10px; font-size: 13px; }

.grid { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.grid th, .grid td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14px; vertical-align: top; }
.grid th { background: #fafbfc; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.grid tr:last-child td { border-bottom: none; }
.muted { color: var(--muted); font-size: 12px; }
.tag { background: #eef1ff; color: var(--accent); padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.actions a, .actions .link-btn { margin-right: 10px; font-size: 13px; color: var(--accent); text-decoration: none; }
.link-btn { background: none; border: none; padding: 0; cursor: pointer; color: var(--bad); font-size: 13px; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); margin-right: 4px; }
.dot.ok { background: var(--ok); }
.dot.bad { background: var(--bad); }
.dot.warn { background: var(--warn); }
.danger { color: var(--bad); font-weight: 600; }

.alert { background: #fff4e5; border: 1px solid var(--warn); color: #7a5200; padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }

.form { max-width: 480px; background: var(--card); padding: 20px; border: 1px solid var(--border); border-radius: 8px; }
.form label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.form input, .form select, .form textarea {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 6px; font-size: 14px; color: var(--text);
}
.form textarea { min-height: 70px; font-family: inherit; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.breadcrumbs a { color: var(--accent); text-decoration: none; }
.toolbar { display: flex; gap: 20px; margin-bottom: 16px; flex-wrap: wrap; }
.inline-form { display: flex; gap: 8px; align-items: center; }
.inline-form input[type=text] { padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; }

.editor { width: 100%; min-height: 60vh; font-family: "SF Mono", Menlo, monospace; font-size: 13px; padding: 14px; border: 1px solid var(--border); border-radius: 8px; }

.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; background: var(--bg); }
.login-box { background: var(--card); padding: 32px; border-radius: 10px; border: 1px solid var(--border); width: 300px; }
.login-box h1 { text-align: center; color: var(--accent); }
.login-box label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
.login-box input { display: block; width: 100%; margin-top: 4px; padding: 9px 10px; border: 1px solid var(--border); border-radius: 6px; }
.login-box button { width: 100%; padding: 10px; background: var(--accent); color: #fff; border: none; border-radius: 6px; font-size: 15px; cursor: pointer; margin-top: 6px; }
.login-box .error { color: var(--bad); font-size: 13px; }