body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f9;
  color: #1f2937;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: #1a3a5c;
  color: #ffffff;
}

.brand-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
}

.brand-subtitle {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
}

.menu {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.menu a {
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 8px;
}

.menu a.active,
.menu a:hover {
  background: rgba(255, 255, 255, 0.16);
}

.menu .logout-link {
  background: rgba(255, 255, 255, 0.1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px;
}

.container-centered {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
  padding: 32px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
}

.subtitle {
  color: #6b7280;
  margin-bottom: 24px;
}

.page-header {
  margin-bottom: 24px;
}

.page-header h1,
.card h2 {
  margin-top: 0;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
  border-left: 4px solid #2563eb;
}

.kpi-card-warn {
  border-left-color: #f59e0b;
}

.kpi-label {
  display: block;
  color: #6b7280;
  font-size: 13px;
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 36px;
  color: #1a3a5c;
}

.kpi-text {
  font-size: 18px;
  color: #1a3a5c;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.adr-frame {
  width: 100%;
  min-height: 900px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #ffffff;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
  font-size: 14px;
}

.table th {
  background: #f8fafc;
}

.table code {
  font-size: 12px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  padding: 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
}

.form-grid textarea {
  min-height: 40px;
  resize: vertical;
  font-family: inherit;
}

.form-grid button {
  margin-top: 8px;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  background: #2563eb;
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
}

.form-grid button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.api-response-card {
  margin-top: 24px;
}

.api-response {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  border-radius: 8px;
  background: #111827;
  color: #e5e7eb;
  font-size: 9px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.alert {
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.alert-error {
  background: #fee2e2;
  color: #b91c1c;
}

@media (max-width: 900px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}