@font-face {
  font-family: "Proxima Nova";
  src: url("/lake-seasonality/assets/fonts/proxima-nova-regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Proxima Nova";
  src: url("/lake-seasonality/assets/fonts/proxima-nova-semibold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  font-family: "Proxima Nova", Arial, sans-serif;
  color: #17202a;
  background: #ffffff;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: #ffffff;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  padding: 24px 32px 18px;
  border-bottom: 4px solid #16a6b6;
}

.brand-logo {
  width: 190px;
  height: auto;
  object-fit: contain;
}

h1,
h2 {
  color: #083266;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: 40px;
  line-height: 1.1;
  font-weight: 600;
}

h2 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 600;
}

p,
li,
label,
select,
button {
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0;
}

p {
  margin: 0 0 14px;
}

main {
  width: 100%;
  padding: 24px 32px 40px;
}

.intro {
  max-width: 1500px;
  margin-bottom: 24px;
}

.intro ul {
  margin: 0;
  padding-left: 24px;
}

.tabs {
  display: flex;
  gap: 10px;
  padding: 16px 0;
  border-bottom: 1px solid #cbd5df;
}

.tab-button {
  min-height: 48px;
  padding: 10px 18px;
  border: 1px solid #8da0b3;
  border-radius: 6px;
  color: #083266;
  background: #eef1f3;
  font-weight: 600;
  cursor: pointer;
}

.tab-button[aria-selected="true"] {
  color: #ffffff;
  border-color: #083266;
  background: #083266;
}

.tab-button:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 3px solid #16a6b6;
  outline-offset: 2px;
}

.tab-panel {
  padding-top: 20px;
}

.spring-grid,
.fall-grid {
  display: grid;
  align-items: stretch;
  gap: 18px;
}

.spring-grid {
  grid-template-columns: minmax(0, 3fr) minmax(390px, 2fr);
}

.fall-grid {
  grid-template-columns: minmax(360px, 2fr) minmax(0, 3fr);
}

.panel {
  min-width: 0;
  padding: 20px;
  border: 1px solid #cbd5df;
  border-radius: 6px;
  background: #ffffff;
}

.comparison-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 20px;
  align-items: start;
}

.year-picker {
  display: grid;
  gap: 8px;
}

.year-picker label {
  color: #083266;
  font-weight: 600;
}

select {
  width: 100%;
  min-height: 44px;
  padding: 7px 34px 7px 10px;
  border: 1px solid #8da0b3;
  border-radius: 5px;
  color: #17202a;
  background: #e2e5e7;
}

.year-picker button {
  min-height: 44px;
  border: 1px solid #083266;
  border-radius: 5px;
  color: #ffffff;
  background: #083266;
  font-weight: 600;
  cursor: pointer;
}

.year-picker button:disabled,
select:disabled {
  cursor: wait;
  opacity: 0.65;
}

.status {
  min-height: 26px;
  margin: 10px 0;
  color: #52606d;
}

.status.info,
.status.warning {
  padding: 10px 12px;
  border-left: 4px solid #16a6b6;
  background: #eef6f7;
}

.status.warning {
  border-left-color: #c4561c;
  background: #fff2eb;
}

.chart {
  width: 100%;
  min-height: 430px;
}

.chart-tall {
  min-height: 680px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1050px) {
  .spring-grid,
  .fall-grid {
    grid-template-columns: 1fr;
  }

  .comparison-heading {
    grid-template-columns: minmax(0, 1fr) 220px;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    gap: 14px;
    padding: 18px 16px 14px;
  }

  .brand-logo {
    width: 125px;
  }

  h1 {
    font-size: 30px;
  }

  h2 {
    font-size: 22px;
  }

  p,
  li,
  label,
  select,
  button {
    font-size: 16px;
  }

  main {
    padding: 18px 16px 30px;
  }

  .tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .tab-button {
    width: 100%;
    padding: 8px;
  }

  .comparison-heading {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 14px;
  }

  .chart,
  .chart-tall {
    min-height: 520px;
  }
}