:root { font-family: system-ui, sans-serif; color: #17202a; background: #eef6fb; }
body { margin: 0; }
header { padding: 2rem; background: #0f7897; color: white; }
header h1 { margin: 0; }
main { max-width: 1100px; margin: 1rem auto; padding: 0 1rem; }
.card { background: white; border-radius: 14px; padding: 1rem; margin: 1rem 0; box-shadow: 0 2px 10px #0001; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
label { display: block; margin: .7rem 0; font-weight: 600; }
input, textarea { width: 100%; padding: .6rem; border: 1px solid #ccd; border-radius: 8px; box-sizing: border-box; }
button { background: #0f7897; color: white; border: 0; border-radius: 8px; padding: .75rem 1rem; font-weight: 700; cursor: pointer; }
button:hover { filter: brightness(.95); }
.profile { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .5rem 1rem; align-items: end; }
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 700px; }
th, td { border-bottom: 1px solid #dde; text-align: left; padding: .5rem; }
.warn { color: #8a4b00; font-weight: 700; }
a { color: #0f7897; }


/* Strong visible header navigation */
header {
  background: #117f96;
  color: #ffffff;
  padding: 1.25rem 1.5rem;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-inner h1 {
  margin: 0 0 0.35rem 0;
}

.header-inner p {
  margin: 0;
}

.topnav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.navbutton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  background: #ffffff;
  color: #0b5263;
  text-decoration: none;
  font-weight: 800;
  border: 2px solid #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.navbutton:hover,
.navbutton:focus {
  background: #eaf7fb;
  color: #063d4a;
  outline: 3px solid rgba(255, 255, 255, 0.6);
}

.navbutton.active {
  background: #083f4c;
  color: #ffffff;
  border-color: #ffffff;
}

/* Better mobile usability */
input,
select,
textarea,
button {
  font-size: 1rem;
}

input,
select,
textarea {
  width: 100%;
  box-sizing: border-box;
  min-height: 2.75rem;
}

textarea {
  min-height: 5rem;
}

button {
  min-height: 2.9rem;
  cursor: pointer;
}

.tablewrap {
  width: 100%;
  overflow-x: auto;
}

table {
  min-width: 720px;
}

@media (max-width: 700px) {
  header {
    padding: 1rem;
  }

  .header-inner {
    display: block;
  }

  .topnav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
    margin-top: 1rem;
  }

  .navbutton {
    width: 100%;
    padding: 0.9rem 0.75rem;
  }

  main {
    padding: 0.75rem;
  }

  .grid {
    display: block;
  }

  .card {
    margin-bottom: 1rem;
  }
}


/* Three button nav layout */
.topnav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.navbutton {
  white-space: nowrap;
}

.inline-fields {
  display: flex;
  gap: 0.75rem;
  align-items: end;
}

.inline-fields label {
  flex: 1;
}

.inline-fields .unit-field {
  flex: 0 0 7rem;
}

.hint {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-top: -0.35rem;
}

.small-link {
  display: inline-block;
  margin-left: 0.75rem;
  font-weight: 700;
}

@media (max-width: 700px) {
  .topnav {
    grid-template-columns: 1fr;
  }

  .inline-fields {
    display: grid;
    grid-template-columns: 1fr 6rem;
    gap: 0.6rem;
  }

  .inline-fields .unit-field {
    flex: unset;
  }

  .small-link {
    margin-left: 0;
    margin-top: 1rem;
  }
}