body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #00121f;
  color: #e8f7ff;
}

.app-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.card {
  background: rgba(255,255,255,0.05);
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 20px;
}

label {
  display: block;
  margin-top: 10px;
  margin-bottom: 4px;
}

select, input {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: white;
}

.station-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.station-buttons button {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: #9bb3c6;
  cursor: pointer;
}

.station-buttons button.active {
  background: #3dd5f3;
  color: #002b40;
}

.btn-primary {
  margin-top: 12px;
  padding: 10px 16px;
  background: #3dd5f3;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  color: #002b40;
  font-weight: bold;
}

.btn-secondary {
  margin-top: 12px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  cursor: pointer;
  color: #9bb3c6;
}

.status {
  margin-top: 10px;
  color: #9bb3c6;
}

.coords {
  margin-top: 6px;
  color: #9bb3c6;
}
.chart-container {
  width: 100%;
  margin-top: 20px;
}

.tide-chart-svg {
  width: 100%;
  height: 200px;
}

.tide-chart-label {
  font-size: 10px;
  fill: #555;
}

.tide-chart-line {
  fill: none;
  stroke: #0077cc;
  stroke-width: 2;
}

.tide-chart-point {
  fill: #0077cc;
}
.wind-arrow {
  width: 30px;
  height: 30px;
  margin-right: 8px;
  display: inline-block;
  transform-origin: center center;
}

.wind-row {
  display: flex;
  align-items: center;
  margin: 4px 0;
}

.sea-state {
  font-weight: bold;
  margin-top: 4px;
}
.tide-item {
  padding: 6px 0;
  border-bottom: 1px solid #eee;
}

.tide-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tide-icon {
  font-size: 1.2em;
  margin-right: 6px;
}

.tide-type {
  flex: 1;
}

.tide-time, .tide-height {
  color: #555;
}

.tide-range-summary {
  margin-top: 10px;
  padding-top: 6px;
  border-top: 2px solid #ccc;
  font-size: 1.1em;
}