:root {
  --bg: #0f1115;
  --panel-bg: #1c1f26;
  --primary-text: #e8eaed;
  --secondary-text: #9aa0a6;
  --disabled-text: #4a4e57;
  --accent: #0ea5e9;
  --border: #2a2e37;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--primary-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 16px 32px;
}

@media (max-width: 800px) {
  .layout {
    grid-template-columns: 1fr;
    padding: 12px 12px 24px;
  }
}

@media (min-width: 1300px) {
  .layout {
    max-width: 1220px;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.15fr);
  }
}

svg, img {
  user-select: none;
}

.primary {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.station-card,
.history,
.sidebar {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  min-height: 120px;
}

.station-card {
  display: flex;
  flex-direction: column;
  container-type: inline-size;
  container-name: station-card;
}

.updated-at {
  align-self: flex-end;
  margin: 10px 0 0;
  color: var(--secondary-text);
  font-size: 10px;
  opacity: 0.7;
}

.history {
  min-height: 240px;
}

.section-caption {
  margin: 0 0 12px;
  color: var(--secondary-text);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.charts {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.chart-card {
  min-width: 0;
}

.chart-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
}

.chart-title {
  color: var(--secondary-text);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.chart-value {
  font-size: 14px;
  font-weight: 500;
}

.chart-empty {
  margin: 8px 0 0;
  color: var(--secondary-text);
  font-size: 12px;
}

.chart-wrap {
  position: relative;
}

.chart-svg {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 600 / 160;
  overflow: visible;
}

.chart-grid {
  stroke: var(--border);
  stroke-width: 1;
}

.chart-band {
  opacity: 0.1;
  stroke: none;
}

.chart-line {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-dot-end {
  stroke: var(--panel-bg);
  stroke-width: 2;
}

.chart-axis-label {
  fill: var(--secondary-text);
  font-size: 9px;
}

.chart-crosshair {
  stroke: var(--secondary-text);
  stroke-width: 1;
  opacity: 0.35;
  transition: opacity 0.1s;
}

.chart-dot {
  stroke: var(--panel-bg);
  stroke-width: 2;
  transition: opacity 0.1s;
}

.chart-hit-area {
  fill: transparent;
  cursor: crosshair;
}

.chart-tooltip {
  position: absolute;
  top: 4px;
  transform: translateX(-50%);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 11px;
  line-height: 1.4;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.1s;
}

.chart-tooltip[data-anchor="left"] {
  transform: translateX(0);
}

.chart-tooltip[data-anchor="right"] {
  transform: translateX(-100%);
}

.chart-tooltip-time {
  color: var(--secondary-text);
}

.chart-tooltip-value {
  color: var(--primary-text);
  font-weight: 600;
}

.chart-tooltip-range {
  color: var(--secondary-text);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
}

.sidebar .section-caption {
  margin-bottom: 0;
}

.station-photo,
.station-map {
  display: block;
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
}

.station-text {
  margin: 0;
  color: var(--secondary-text);
  font-size: 13px;
  line-height: 1.5;
}

.station-links {
  margin: 0;
  color: var(--secondary-text);
  font-size: 12px;
}

.sidebar a {
  color: var(--accent);
  text-decoration: none;
}

.sidebar a:hover {
  text-decoration: underline;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 24px 8px;
}

/* Fixed column counts only (6, then 3+3, then 2+2+2) - never a count that
   leaves a ragged last row like 4-then-2. Keyed to the card's own width
   (not the viewport) since it can be squeezed by the sidebar layout. */
@container station-card (max-width: 620px) {
  .tiles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@container station-card (max-width: 340px) {
  .tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 0;
}

.tile-title {
  color: var(--secondary-text);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.tile-visual {
  width: 100%;
  max-width: 90px;
  aspect-ratio: 100 / 90;
}

.tile-visual svg {
  display: block;
  width: 100%;
  height: 100%;
}

.tile-value {
  margin-top: 4px;
  white-space: nowrap;
}

.tile-value-number {
  font-size: 26px;
  font-weight: 500;
}

.tile-value-unit {
  font-size: 13px;
  color: var(--secondary-text);
  margin-left: 1px;
}

.tile-sub {
  font-size: 11px;
  color: var(--secondary-text);
  text-transform: uppercase;
  margin-top: 2px;
  min-height: 14px;
}

.tile-sub-line {
  white-space: nowrap;
}

.extras {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "sun tides moon"
    "sun tides coef";
  column-gap: 24px;
  row-gap: 6px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.extras-sun {
  grid-area: sun;
}

.extras-tides {
  grid-area: tides;
}

.extras-moon {
  grid-area: moon;
}

.extras-coef {
  grid-area: coef;
}

.extras-sun,
.extras-tides,
.extras-moon,
.extras-coef {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

@container station-card (max-width: 620px) {
  .extras {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "sun tides"
      "moon coef";
  }
}

@container station-card (max-width: 420px) {
  .extras {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "sun"
      "moon"
      "tides"
      "coef";
  }
}

.extras-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  white-space: nowrap;
}

.extras-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: var(--secondary-text);
}

.extras-icon-wide {
  width: 20px;
}

.extras-label {
  color: var(--secondary-text);
}

.compass-ring {
  fill: none;
  stroke: var(--disabled-text);
  stroke-width: 1;
  opacity: 0.4;
}

.tick-major {
  stroke: var(--secondary-text);
  stroke-width: 1.5;
}

.tick-minor {
  stroke: var(--disabled-text);
  stroke-width: 1;
}

.compass-label {
  fill: var(--secondary-text);
  font-size: 11px;
  font-weight: 600;
  text-anchor: middle;
}

.compass-arrow {
  fill: var(--accent);
}

.drop-outline {
  fill: none;
  stroke: var(--disabled-text);
  stroke-width: 2;
  opacity: 0.5;
}

.drop-fill {
  fill: #0ea5e9;
}

.pressure-track {
  stroke: var(--disabled-text);
  opacity: 0.3;
}

.pressure-progress {
  stroke: var(--accent);
}

.pressure-marker {
  fill: #fff;
  stroke: var(--panel-bg);
  stroke-width: 2;
}

.radiation-ring {
  fill: var(--disabled-text);
  opacity: 0.12;
}