.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 900;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: white;
  background: var(--primary);
  box-shadow: 0 14px 30px rgba(153, 13, 206, 0.24);
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-accent {
  color: var(--primary-dark);
  background: var(--accent);
  box-shadow: 0 14px 30px rgba(255, 183, 3, 0.26);
}

.btn-accent:hover {
  background: var(--accent-dark);
}

.btn-light {
  color: var(--primary);
  background: white;
  border: 1px solid var(--border);
}

.btn-danger {
  color: white;
  background: var(--danger);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 14px 35px rgba(47, 37, 68, 0.08);
}

.card-pad {
  padding: 22px;
}

.card-title {
  margin: 0 0 12px;
  color: var(--primary-dark);
  letter-spacing: -0.02em;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.kpi-card {
  padding: 20px;
  border-radius: var(--radius);
  background: white;
  border: 1px solid var(--border);
  box-shadow: 0 12px 28px rgba(47, 37, 68, 0.07);
}

.kpi-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.kpi-value {
  margin-top: 8px;
  font-size: 28px;
  font-weight: 950;
  letter-spacing: -0.05em;
  color: var(--primary-dark);
}

.kpi-note {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.alert {
  border-radius: var(--radius);
  padding: 14px 16px;
  font-weight: 700;
  line-height: 1.5;
}

.alert-info {
  color: #1e3a8a;
  background: #dbeafe;
}

.alert-warning {
  color: #92400e;
  background: #fef3c7;
}

.empty-state {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px dashed var(--border);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 980px) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}