:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --primary: #1f4f80;
  --text: #1d2733;
  --accent: #59a14f;
  --danger: #b42318;
  --border: #dde4ec;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: linear-gradient(180deg, #f7fafc, #edf3f8);
  color: var(--text);
}
.topbar {
  background: var(--primary);
  color: white;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 { margin: 0; font-size: 20px; }
.topbar nav a {
  color: white;
  margin-left: 16px;
  text-decoration: none;
  font-weight: 600;
}
.top-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}
.top-nav a { margin-left: 0; }
.user-pill {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 13px;
}
.container { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(10, 20, 30, 0.04);
}
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.metric p { font-size: 22px; margin: 8px 0 0 0; color: var(--primary); font-weight: 700; }
.inline-form { display: flex; gap: 8px; }
input, select, button {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}
button {
  background: var(--primary);
  color: white;
  border: none;
  font-weight: 600;
  cursor: pointer;
}
button.danger { background: var(--danger); }
.client-toggle {
  width: 100%;
  text-align: left;
  font-size: 18px;
  padding: 12px 14px;
}
.error-text {
  color: var(--danger);
  font-weight: 600;
}
.success-text {
  color: var(--accent);
  font-weight: 600;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}
.form-grid .full { grid-column: 1 / -1; }
.login-card {
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 6px 16px;
  margin-bottom: 10px;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}
th, td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 8px;
  font-size: 14px;
}
.th-two-lines {
  display: inline-block;
  line-height: 1.15;
  white-space: normal;
}
@media (max-width: 700px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .top-nav { flex-wrap: wrap; }
  table { display: block; overflow-x: auto; }
}