:root {
  color-scheme: light;
  font-family: system-ui, sans-serif;
  color: #183245;
  background: #f4f7f9;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 2rem;
  background: #183245;
  color: white;
}
a {
  color: inherit;
}
nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}
main {
  max-width: 760px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  border: 1px solid #d8e2e9;
  border-radius: 12px;
}
h1 {
  font-size: 1.7rem;
}
p {
  line-height: 1.6;
}
form {
  display: grid;
  gap: 1rem;
  padding: 1rem 0 2rem;
  border-bottom: 1px solid #d8e2e9;
}
label {
  display: grid;
  gap: 0.4rem;
}
label:has(input[type='checkbox']) {
  display: flex;
  align-items: center;
  padding: 0.35rem 0;
}
input,
select {
  font: inherit;
  padding: 0.7rem;
  border: 1px solid #8298a6;
  border-radius: 5px;
  max-width: 100%;
}
input[type='checkbox'] {
  width: 1.2rem;
  height: 1.2rem;
}
fieldset {
  border: 1px solid #d8e2e9;
  border-radius: 5px;
}
button {
  font: inherit;
  padding: 0.75rem 1.1rem;
  background: #176d79;
  color: white;
  border: 0;
  border-radius: 5px;
  cursor: pointer;
  justify-self: start;
}
button:disabled {
  opacity: 0.6;
  cursor: wait;
}
#message {
  font-weight: 600;
}
select {
  width: 100%;
}
[hidden] {
  display: none !important;
}
@media (max-width: 600px) {
  header {
    padding: 1rem;
    flex-wrap: wrap;
  }
  nav {
    flex-wrap: wrap;
  }
  main {
    margin: 1rem;
    padding: 1rem;
  }
}

.card {
  border: 1px solid #d8e2e9;
  border-radius: 8px;
  padding: 1rem;
  margin: 0.8rem 0;
  overflow-wrap: anywhere;
}
pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 0.85rem;
}
li {
  margin: 0.5rem 0;
}
#review {
  border: 2px solid #176d79;
  padding: 1rem;
  margin-top: 1rem;
}
#target {
  font-weight: 650;
  overflow-wrap: anywhere;
}

main {
  max-width: 1080px;
}
#clients {
  max-height: 360px;
  overflow: auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  padding: 1rem;
  list-style: none;
}
#clients li {
  margin: 0;
}
#clients button {
  width: 100%;
  text-align: left;
  overflow-wrap: anywhere;
}
#observations {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}
#observations .card {
  margin: 0;
}
summary {
  cursor: pointer;
  font-weight: 600;
}
@media (max-width: 600px) {
  #clients,
  #observations {
    grid-template-columns: 1fr;
  }
  #clients {
    max-height: 300px;
  }
}