:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e2e5ea;
  --text: #1f2430;
  --muted: #6b7280;
  --primary: #2f6fed;
  --primary-dark: #1f52c4;
  --danger: #d64545;
  --success: #1f9d55;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.topbar nav a {
  margin-right: 16px;
  color: var(--text);
  font-weight: 500;
}

.topbar .brand { font-weight: 700; font-size: 1.1rem; }

.container {
  max-width: 960px;
  margin: 32px auto;
  padding: 0 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 20px;
}

.login-card {
  max-width: 380px;
  margin: 80px auto;
  text-align: center;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 6px;
  border: none;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--danger); }
.btn.small { padding: 6px 12px; font-size: 0.85rem; }

.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
}
.alert.error { background: #fdecec; color: var(--danger); }
.alert.success { background: #e9f9ef; color: var(--success); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--muted); font-weight: 600; }

.form-group { margin-bottom: 16px; }
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
input[type="text"], input[type="email"], input[type="url"], input[type="datetime-local"], textarea, select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
}
textarea { resize: vertical; min-height: 90px; }
.hint { color: var(--muted); font-size: 0.82rem; margin-top: 4px; }
.row { display: flex; gap: 16px; }
.row > * { flex: 1; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge.success { background: #e9f9ef; color: var(--success); }
.badge.error { background: #fdecec; color: var(--danger); }
.badge.muted { background: #eef0f3; color: var(--muted); }

.actions form { display: inline; }
.empty { color: var(--muted); padding: 24px 0; text-align: center; }