:root {
  font-family: system-ui, sans-serif;
  background: #f4f6f4;
  color: #172019;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding-bottom: 75px;
}

header {
  background: #17351f;
  color: white;
  padding: 22px 18px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

header h1 {
  margin: 4px 0;
}

header p {
  margin: 0;
  opacity: .8;
}

header small {
  opacity: .7;
}

#status {
  font-size: 11px;
  height: fit-content;
  padding: 7px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 8px;
}

main {
  max-width: 720px;
  margin: auto;
  padding: 16px;
}

.card {
  background: white;
  padding: 18px;
  margin-bottom: 16px;
  border-radius: 14px;
  border: 1px solid #dfe5df;
}

select,
button {
  width: 100%;
  min-height: 48px;
  font-size: 16px;
  border-radius: 10px;
}

select {
  margin-top: 10px;
  padding: 10px;
  border: 1px solid #bac5bc;
  background: white;
}

button {
  border: 0;
  background: #17351f;
  color: white;
  padding: 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 10px;
}

.modulo {
  background: white;
  border: 1px solid #dfe5df;
  border-radius: 12px;
  padding: 18px 12px;
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 600;
}

nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  border-top: 1px solid #dfe5df;
  display: grid;
  grid-template-columns: repeat(4,1fr);
  padding: 7px;
}

nav button {
  background: transparent;
  color: #17351f;
  font-size: 13px;
  min-height: 48px;
}

@media (min-width: 600px) {
  .grid {
    grid-template-columns: repeat(3,1fr);
  }
}