:root {
  --blue: #3164b5;
  --bg: #f4f6f9;
  --border: #dde2e8;
  --text: #1c1e22;
  --danger: #c0392b;
  --ok: #1a7a3c;
  --warn: #b8860b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--blue); }

.top-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #1c1e22;
  color: #fff;
  padding: 0.75rem 1.5rem;
}
.top-nav .brand { font-weight: 700; }
.top-nav .spacer { flex: 1; }
.top-nav a { color: #c9ced6; }

.content { max-width: 1100px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }

table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
th, td { padding: 0.6rem 0.9rem; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { background: var(--bg); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: #6b7280; }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px; font-size: 0.75rem; font-weight: 700; }
.badge-active { background: #e3f6e9; color: var(--ok); }
.badge-locked { background: #fbe7e6; color: var(--danger); }
.badge-warn { background: #fdf1d6; color: var(--warn); }

form.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; }
input[type=text], input[type=password], input[type=date], select, textarea {
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
button {
  font: inherit;
  cursor: pointer;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.1rem;
  align-self: flex-start;
}
button.btn-danger { background: none; color: var(--danger); border: 1px solid var(--danger); }
button.btn-link { background: none; color: var(--blue); border: none; padding: 0; text-decoration: underline; }
button.btn-link-danger { background: none; color: var(--danger); border: none; padding: 0; text-decoration: underline; }
.error { color: var(--danger); font-weight: 600; }
.success { color: var(--ok); font-weight: 600; }
.actions { display: flex; gap: 0.75rem; align-items: center; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 0.85rem; }

body.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.5rem;
  width: 100%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.login-box h1 { margin: 0 0 0.5rem; text-align: center; color: var(--blue); font-size: 1.3rem; }