* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, sans-serif; background: #f4f6f9; color: #1a1a2e; }

.pantalla { min-height: 100vh; }

#vistaLogin { display: flex; align-items: center; justify-content: center; }
.caja { background: #fff; padding: 40px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); width: 320px; }
.caja h1 { margin: 0 0 4px; color: #2b3a67; }
.subtitulo { color: #666; margin: 0 0 24px; }
.campo { margin-bottom: 16px; }
.campo label { display: block; font-size: 13px; color: #555; margin-bottom: 4px; }
.campo input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px; }
.btn { padding: 10px 16px; border: 1px solid #ddd; border-radius: 6px; background: #fff; cursor: pointer; font-size: 14px; }
.btn-primary { background: #2b3a67; color: #fff; border: none; width: 100%; }
.error { color: #c0392b; font-size: 13px; margin-bottom: 12px; }

.topbar { display: flex; justify-content: space-between; align-items: center; padding: 16px 32px; background: #fff; box-shadow: 0 2px 6px rgba(0,0,0,0.05); }
.topbar h1 { margin: 0; color: #2b3a67; font-size: 20px; }
.usuario-info { display: flex; align-items: center; gap: 12px; font-size: 14px; color: #555; }

.contenido { padding: 32px; max-width: 900px; margin: 0 auto; }
.grilla-servicios { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.servicio-card { background: #fff; padding: 20px; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); cursor: pointer; transition: transform .15s; }
.servicio-card:hover { transform: translateY(-2px); }
.servicio-card h3 { margin: 0 0 6px; color: #2b3a67; }
.servicio-card p { margin: 0; color: #666; font-size: 13px; }