:root {
  color-scheme: dark;
  --bg: #06182b;
  --card: #0d263bc9;
  --line: #28455b;
  --text: #eef7fd;
  --muted: #a4bacb;
  --cyan: #39d7ed;
  --gold: #ffd168;
  --orange: #ffb55b;
  --red: #ff8d96;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(ellipse at 95% 70%, #094252 0, transparent 55%),
    radial-gradient(ellipse at 5% 0, #102c4d 0, transparent 50%), var(--bg);
  min-height: 100vh;
  line-height: 1.5;
}
button,
select {
  font: inherit;
}
button,
a,
select {
  -webkit-tap-highlight-color: transparent;
}
button,
select {
  color: var(--text);
}
button {
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
button:focus-visible,
a:focus-visible,
select:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}
.topbar {
  max-width: 1320px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 25px 40px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 750;
  letter-spacing: -0.6px;
}
.brand-mark {
  font-size: 2.4rem;
  line-height: 1;
  color: var(--cyan);
}
.web-label {
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  border: 1px solid #466078;
  border-radius: 5px;
  padding: 2px 5px;
  margin-left: 4px;
  color: var(--muted);
}
.top-note {
  color: var(--muted);
  font-size: 0.875rem;
}
.button {
  border: 1px solid #427286;
  background: #163b50;
  border-radius: 12px;
  padding: 10px 17px;
  font-weight: 600;
}
.button:hover {
  background: #245267;
}
.button:disabled {
  cursor: wait;
  opacity: 0.55;
}
.quiet {
  margin-left: auto;
  background: #ffffff05;
}
.text-button {
  border: 0;
  background: none;
  padding: 0;
  color: var(--muted);
  text-decoration: underline;
}
main {
  max-width: 1240px;
  margin: auto;
  padding: 34px 0 20px;
}
.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}
.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--cyan);
  font-weight: 650;
  margin: 0 0 8px;
}
h1 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 650;
  letter-spacing: -1px;
  line-height: 1.2;
  margin: 0 0 10px;
}
.muted {
  color: var(--muted);
  margin: 0;
}
.badge,
.pill {
  border: 1px solid #385369;
  background: #ffffff04;
  border-radius: 30px;
  padding: 5px 12px;
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
}
.toolbar {
  display: flex;
  align-items: center;
  gap: 22px;
  background: #0b2337;
  border: 1px solid var(--line);
  padding: 16px 20px;
  border-radius: 16px;
}
.toolbar label {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 5px;
}
.water-control,
.station-control {
  flex: 1;
  min-width: 0;
}
.weather-control {
  min-width: 0;
  flex: 1;
}
.toolbar select {
  width: 100%;
  border: 0;
  background: #102c42;
  padding: 8px 30px 8px 8px;
  border-radius: 7px;
  font-weight: 600;
  min-width: 0;
  max-width: 100%;
}
.toolbar-note {
  flex: 0.8;
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}
.status-line {
  min-height: 1.5em;
  color: var(--muted);
  font-size: 0.8rem;
  margin: 14px 2px;
}
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  padding: 24px 27px 18px;
  box-shadow: 0 15px 45px #00000013;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}
.card h2 {
  font-size: 1.1rem;
  font-weight: 650;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card h2 > span {
  font-size: 1.6rem;
  line-height: 1;
}
.cyan {
  color: var(--cyan);
}
.gold {
  color: var(--gold);
}
.card-content {
  flex: 1;
}
.card-foot {
  font-size: 0.75rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin: 18px 0 0;
}
.loading {
  color: var(--muted);
  min-height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.metric {
  font-size: 3.7rem;
  letter-spacing: -2px;
  font-weight: 650;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  margin: 9px 0;
}
.metric small {
  font-size: 1.15rem;
  letter-spacing: 0;
  color: var(--muted);
  font-weight: 450;
  margin-left: 6px;
}
.subtle {
  color: var(--muted);
  font-size: 0.875rem;
}
.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}
.trend {
  font-size: 0.875rem;
  text-align: right;
  color: var(--cyan);
}
.chart {
  width: 100%;
  height: 118px;
  display: block;
  margin-top: 15px;
  overflow: visible;
}
.chart-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
  gap: 10px;
}
.unit-label {
  font-size: 0.75rem;
  color: var(--muted);
}
.unit-label select {
  background: #142f45;
  border: 1px solid var(--line);
  padding: 4px;
  border-radius: 7px;
  font-size: 0.875rem;
  margin-left: 4px;
}
.weather-main {
  display: flex;
  align-items: center;
  gap: 18px;
}
.weather-symbol {
  font-size: 3rem;
  color: var(--cyan);
}
.weather-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 20px 0;
}
.weather-metrics strong {
  font-size: 1.2rem;
  font-weight: 550;
  display: block;
}
.weather-metrics span {
  font-size: 0.75rem;
  color: var(--muted);
}
.forecast {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 7px;
  scrollbar-width: thin;
}
.hour {
  flex: 1;
  min-width: 62px;
  text-align: center;
  background: #ffffff04;
  border: 1px solid #ffffff06;
  border-radius: 12px;
  padding: 8px 6px;
  font-size: 0.8rem;
}
.hour span {
  display: block;
  color: var(--muted);
}
.hour .symbol {
  font-size: 1.4rem;
  color: var(--cyan);
  margin: 3px;
}
.hour strong {
  display: block;
  font-size: 0.95rem;
}
.sun-countdown {
  font-size: 1.7rem;
  font-weight: 550;
  letter-spacing: -0.6px;
  color: var(--gold);
  margin: 4px 0;
}
.sun-progress {
  width: 100%;
  height: 10px;
  appearance: none;
  border: 0;
  border-radius: 20px;
  background: #264055;
  margin: 25px 0 15px;
  overflow: hidden;
}
.sun-progress::-webkit-progress-bar {
  background: #264055;
  border-radius: 20px;
}
.sun-progress::-webkit-progress-value {
  background: linear-gradient(90deg, #fa9b47, #ffe174);
  border-radius: 20px;
}
.sun-progress::-moz-progress-bar {
  background: linear-gradient(90deg, #fa9b47, #ffe174);
}
.sun-times {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}
.sun-times strong {
  font-size: 1.9rem;
  font-variant-numeric: tabular-nums;
  display: block;
  font-weight: 550;
}
.sun-times span {
  font-size: 0.875rem;
  color: var(--muted);
}
.sun-times div:last-child {
  text-align: right;
}
.note {
  border-left: 3px solid var(--cyan);
  padding: 2px 0 2px 14px;
  margin-bottom: 17px;
}
.note h3 {
  font-size: 0.95rem;
  margin: 0 0 5px;
  font-weight: 600;
}
.note p {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 0;
  white-space: pre-line;
}
.note.warn {
  border-color: var(--orange);
}
.note.warn h3 {
  color: var(--orange);
}
.note.danger {
  border-color: var(--red);
}
.note.danger h3 {
  color: var(--red);
}
.note:last-child {
  margin-bottom: 0;
}
.error {
  color: var(--orange);
  padding: 15px 0;
}
.error p {
  color: var(--muted);
  font-size: 0.875rem;
}
.notes-links {
  font-size: 0.8rem;
  color: var(--cyan);
  margin-top: 18px;
}
.notes-links a {
  text-decoration: underline;
}
footer {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin: 28px 0 0;
  font-size: 0.75rem;
}
footer nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
footer p {
  width: 100%;
  font-size: 0.75rem;
  margin: 0;
}
.footer-dot {
  margin: 0 8px;
}
.skip {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--bg);
  padding: 12px;
  z-index: 2;
}
.skip:focus {
  top: 12px;
}
dialog {
  border: 1px solid var(--line);
  border-radius: 20px;
  max-width: 540px;
  background: #0d263b;
  color: var(--text);
  padding: 28px;
}
dialog::backdrop {
  background: #0009;
}
dialog p {
  color: var(--muted);
}
@media (min-width: 900px) {
  .depth-card,
  .weather-card {
    min-height: 380px;
  }
  .sun-card,
  .notes-card {
    min-height: 305px;
  }
}
@media (max-width: 1320px) {
  main {
    margin: 0 40px;
  }
}
@media (max-width: 800px) {
  .topbar {
    padding: 20px 22px;
  }
  .top-note {
    display: none;
  }
  main {
    margin: 0 22px;
    padding-top: 25px;
  }
  .toolbar {
    flex-wrap: wrap;
    gap: 12px;
  }
  .toolbar-note {
    flex-basis: 100%;
  }
  .grid {
    gap: 16px;
  }
  .card {
    padding: 20px;
  }
  .metric {
    font-size: 3rem;
  }
  .card-header {
    flex-wrap: wrap;
  }
}
@media (max-width: 600px) {
  .topbar {
    padding: 16px 18px;
  }
  .brand {
    font-size: 1.25rem;
  }
  .web-label {
    display: none;
  }
  .button {
    font-size: 0.875rem;
    padding: 9px 12px;
  }
  main {
    margin: 0 16px;
  }
  .page-heading .badge {
    display: none;
  }
  .page-heading {
    margin-bottom: 20px;
  }
  h1 {
    font-size: 1.75rem;
    max-width: 300px;
  }
  .muted {
    font-size: 0.875rem;
  }
  .toolbar {
    padding: 14px;
  }
  .water-control,
  .station-control,
  .weather-control {
    flex-basis: 100%;
  }
  .toolbar-note {
    font-size: 0.75rem;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .card {
    border-radius: 20px;
    padding: 22px;
  }
  .metric {
    font-size: 3.6rem;
  }
  .sun-countdown {
    font-size: 1.5rem;
  }
  .card-header {
    margin-bottom: 16px;
  }
  footer nav {
    gap: 14px;
  }
  .weather-metrics {
    gap: 8px;
  }
}
@media (prefers-reduced-motion: no-preference) {
  button {
    transition: background 0.2s;
  }
}

@media (min-width: 801px) {
  .toolbar { flex-wrap: wrap; }
  .toolbar-note { flex-basis: 100%; }
}

.weather-days {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin-top: 20px;
}
.day-button {
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 10px;
  padding: 9px 4px;
  font-size: .875rem;
}
.day-button strong, .day-button span { display: block; }
.day-button span { color: var(--muted); font-size: .75rem; }
.day-button[aria-pressed="true"] { border-color: var(--cyan); background: #39d7ed16; color: var(--cyan); }
.forecast-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 14px 0 10px; }
.forecast-heading > span { font-size: .875rem; color: var(--muted); }
.forecast-arrows { display: flex; gap: 5px; }
.forecast-arrows button { border: 1px solid var(--line); border-radius: 8px; background: #17384b; min-width: 36px; min-height: 36px; font-size: 1.4rem; line-height: 1; }
.forecast-arrows button:disabled { opacity: .35; cursor: default; }
.forecast { scrollbar-color: #557e94 #102a3d; scroll-snap-type: x proximity; }
.hour { flex: 0 0 68px; scroll-snap-align: start; }