:root {
  --bg: #f4f6f8;
  --card: #fff;
  --text: #1a2332;
  --muted: #5b6b7c;
  --line: #e2e8f0;
  --accent: #0f766e;
  --accent-2: #115e59;
  --danger: #b91c1c;
  --ok: #047857;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Sarabun", "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .75rem 1.25rem;
  background: #0f172a;
  color: #fff;
}
.topbar a { color: #e2e8f0; }
.topbar .brand a { color: #fff; font-weight: 700; text-decoration: none; }
.topbar nav { display: flex; gap: 1rem; flex: 1; }
.topbar .user { display: flex; align-items: center; gap: .75rem; font-size: .95rem; }
.avatar { width: 28px; height: 28px; border-radius: 50%; }
.container { max-width: 1100px; margin: 1.5rem auto; padding: 0 1rem 2rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
h1, h2 { margin-top: 0; }
.muted { color: var(--muted); }
.alert {
  padding: .75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.alert.ok { background: #ecfdf5; color: var(--ok); border: 1px solid #a7f3d0; }
.alert.err { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.btn {
  display: inline-block;
  border: 0;
  border-radius: 8px;
  padding: .55rem 1rem;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font: inherit;
}
.btn:hover { background: var(--accent-2); text-decoration: none; color: #fff; }
.btn-ghost {
  background: transparent;
  border: 1px solid #334155;
  color: #e2e8f0;
}
.btn-danger { background: var(--danger); }
.btn-sm { padding: .35rem .7rem; font-size: .9rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } .topbar { flex-wrap: wrap; } }
label { display: block; font-weight: 600; margin: .75rem 0 .35rem; }
input[type=text], input[type=url], select, textarea {
  width: 100%;
  padding: .6rem .75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}
textarea { min-height: 220px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .65rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: .85rem; }
.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 999px;
  font-size: .8rem;
  background: #e2e8f0;
}
.badge.published { background: #d1fae5; color: #065f46; }
.badge.draft { background: #fef3c7; color: #92400e; }
.badge.archived { background: #e5e7eb; color: #374151; }
.actions { display: flex; gap: .4rem; flex-wrap: wrap; }
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.login-card { width: min(420px, 100%); text-align: center; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; word-break: break-all; }
.toolbar { display: flex; justify-content: space-between; gap: 1rem; align-items: end; margin-bottom: 1rem; flex-wrap: wrap; }