* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  background: #F0F2F5;
  color: #111827;
}
body { display: flex; flex-direction: column; }

.topbar {
  background: #0A1D3D;
  color: white;
  padding: 1.25rem 2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-mark { width: 56px; height: 56px; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-line-1 { font-weight: 900; font-size: 1.15rem; letter-spacing: 0.02em; }
.logo-line-2 { font-weight: 900; font-size: 1.15rem; color: #E11D48; letter-spacing: 0.02em; }
.welcome { text-align: center; }
.welcome h1 { font-size: 1.4rem; margin-bottom: 0.15rem; }
.welcome p { font-size: 0.9rem; opacity: 0.85; }
.user-btn {
  justify-self: end;
  background: transparent;
  border: 2px solid rgba(255,255,255,0.7);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
}
.user-btn svg { width: 24px; height: 24px; }

.cards {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  padding: 3rem 2rem;
  flex-wrap: wrap;
}
.card {
  background: white;
  border-radius: 16px;
  padding: 2.5rem 2rem 2rem;
  width: 340px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  text-decoration: none;
  color: inherit;
  text-align: center;
  border-bottom: 4px solid;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0,0,0,0.1); }
.card-reporte { border-bottom-color: #2563EB; }
.card-venta { border-bottom-color: #22C55E; }
.icon-circle {
  width: 150px;
  height: 150px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-blue { background: #DBEAFE; }
.icon-green { background: #DCFCE7; }
.icon-circle svg { width: 78px; height: 78px; }
.card h2 {
  font-size: 1.75rem;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  font-weight: 800;
}
.card-reporte h2 { color: #2563EB; }
.card-venta h2 { color: #22C55E; }
.card hr { border: none; border-top: 1px solid #E5E7EB; margin-bottom: 1rem; }
.card p { color: #6B7280; font-size: 0.95rem; }

.footer {
  background: #0A1D3D;
  color: white;
  text-align: center;
  padding: 0.9rem;
  font-size: 0.85rem;
}

@media (max-width: 720px) {
  .topbar { grid-template-columns: 1fr auto; }
  .welcome { grid-column: 1 / -1; order: 3; margin-top: 0.5rem; }
  .cards { padding: 2rem 1rem; gap: 1.5rem; }
  .card { width: 100%; max-width: 380px; }
}