:root {
  color-scheme: light;
  font-family: system-ui, sans-serif;
  color: #152328;
  background: #f4f7f8;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
.shell {
  max-width: 900px;
  margin: auto;
  padding: 18px;
}
header,
.status-row,
.toolbar,
.month-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
h1 {
  margin: 0;
  color: #064b58;
}
h2 {
  margin-top: 0;
}
.card {
  background: #fff;
  border: 1px solid #d4e0e3;
  box-shadow: 0 2px 8px #0a2c3220;
  border-radius: 12px;
  padding: 18px;
  margin: 16px 0;
}
.login {
  max-width: 420px;
  margin: 10vh auto;
}
label {
  display: block;
  font-weight: 650;
  margin: 10px 0;
}
input,
select,
textarea {
  display: block;
  width: 100%;
  padding: 12px;
  margin-top: 5px;
  border: 1px solid #9aadb1;
  border-radius: 7px;
  font: inherit;
}
.mode-toggle {
  border: 1px solid #9aadb1;
  border-radius: 7px;
  margin: 10px 0;
  padding: 8px 12px;
}
.mode-toggle label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin: 0 14px 0 0;
}
.mode-toggle input {
  width: auto;
  margin: 0;
}
textarea {
  min-height: 70px;
}
button {
  border: 0;
  border-radius: 8px;
  min-height: 48px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background: #087f8c;
  color: white;
}
button:hover {
  background: #05626c;
}
button:disabled {
  background: #a2b6b9;
  cursor: not-allowed;
}
.actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.actions button {
  min-height: 72px;
  font-size: 1rem;
}
dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
dt {
  font-size: 0.85rem;
  color: #53666b;
}
dd {
  margin: 3px 0 0;
  font-weight: 700;
}
.badge {
  border-radius: 99px;
  padding: 7px 10px;
  background: #d6eff1;
  color: #064b58;
  font-weight: 700;
}
.offline {
  background: #ffe3a9;
  color: #733d00;
}
.pending {
  color: #8b5000;
}
.error {
  color: #a31919;
}
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th,
td {
  padding: 8px;
  border-bottom: 1px solid #d4e0e3;
  text-align: left;
  vertical-align: top;
}
tr.warning {
  background: #fff7df;
}
#message {
  min-height: 1.4em;
}
@media (max-width: 600px) {
  .shell {
    padding: 12px;
  }
  .toolbar,
  .month-nav {
    flex-wrap: wrap;
  }
  dl {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .actions button {
    font-size: 0.88rem;
    padding: 8px;
  }
  header {
    align-items: flex-start;
  }
}