:root {
  --bg: #07131f;
  --panel: rgba(8, 24, 38, 0.86);
  --panel-border: rgba(159, 207, 255, 0.12);
  --text: #eff7ff;
  --muted: #95abc1;
  --accent: #4fe0b7;
  --accent-2: #57a6ff;
  --accent-3: #ffd166;
  --accent-4: #7cd0ff;
  --danger: #ff7a8d;
  --grid: rgba(170, 214, 255, 0.08);
  --dawn: rgba(250, 184, 86, 0.11);
  --dusk: rgba(217, 129, 255, 0.09);
  --solunar-major: rgba(73, 219, 191, 0.13);
  --solunar-minor: rgba(87, 166, 255, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(87, 166, 255, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(79, 224, 183, 0.12), transparent 25%),
    linear-gradient(180deg, #0a1930 0%, #06111b 44%, #041018 100%);
}

.page-shell {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero,
.chart-card,
.contract-card {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  padding: 28px;
  border-radius: 26px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.lede {
  max-width: 38ch;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.45;
}

.hero-panel {
  display: grid;
  gap: 12px;
  align-content: start;
}

.stat {
  padding: 18px 20px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.stat-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.stat strong {
  font-size: 1.05rem;
  font-weight: 350;
  line-height: 1.28;
}

.controls {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 18px;
  margin: 16px 0 18px;
}

.location-picker,
.toggle-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 999px;
  padding: 11px 16px;
  font: inherit;
  cursor: pointer;
}

.chip.active {
  background: linear-gradient(90deg, rgba(79, 224, 183, 0.22), rgba(87, 166, 255, 0.18));
  border-color: rgba(79, 224, 183, 0.4);
}

.chart-card,
.contract-card {
  padding: 22px;
  border-radius: 24px;
}

.hidden {
  display: none;
}

.contract-card-collapsed {
  padding: 18px 22px;
}

.contract-content.hidden {
  display: none;
}

.dev-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 0;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.dev-toggle strong {
  display: block;
  font-size: 1.2rem;
}

.dev-toggle-state {
  color: var(--accent);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 10px;
}

.timeline-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.timeline-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.timeline-heading {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 0;
}

.timeline-heading strong {
  font-size: 1rem;
  font-weight: 600;
}

.view-rating {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(79, 224, 183, 0.12);
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.nav-button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.nav-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.chart-key {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, opacity 140ms ease;
}

.legend-chip.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}

.legend-chip.muted {
  opacity: 0.46;
}

.legend-chip.static {
  opacity: 0.85;
  cursor: default;
}

.legend-chip:disabled {
  pointer-events: none;
}

.swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 6px;
  border-radius: 4px;
  vertical-align: -2px;
}

.swatch.fishing {
  background: var(--accent);
}

.swatch.solunar {
  background: linear-gradient(90deg, rgba(79, 224, 183, 0.95), rgba(87, 166, 255, 0.9));
}

.swatch.tide {
  background: var(--accent-2);
}

.swatch.wind {
  background: var(--accent-3);
}

.swatch.temp {
  background: #b9e1ff;
}

.swatch.rain {
  background: var(--danger);
}

.chart-wrap {
  position: relative;
  overflow-x: hidden;
  overflow-y: hidden;
  border-radius: 20px;
  padding-bottom: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    linear-gradient(180deg, rgba(41, 89, 145, 0.22), rgba(5, 13, 24, 0.22));
  border: 1px solid rgba(255, 255, 255, 0.05);
  scrollbar-width: thin;
  scrollbar-color: rgba(87, 166, 255, 0.6) rgba(255, 255, 255, 0.06);
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y pinch-zoom;
}

.chart-wrap canvas {
  min-height: 0;
}

.chart-wrap::-webkit-scrollbar {
  height: 10px;
}

.chart-wrap::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(87, 166, 255, 0.55);
}

.chart-wrap::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.06);
}

canvas {
  display: block;
  width: auto;
  max-width: none;
  height: auto;
}

.chart-tooltip {
  position: absolute;
  min-width: 220px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(3, 10, 18, 0.94);
  pointer-events: none;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4);
}

.chart-tooltip.hidden {
  display: none;
}

.chart-scale {
  display: none !important;
}

.tooltip-time {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tooltip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.tooltip-grid strong {
  display: block;
  color: var(--text);
  font-size: 1rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.day-card {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 20, 33, 0.9);
  cursor: pointer;
  transition: border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.day-card.in-view {
  border-color: rgba(79, 224, 183, 0.35);
  box-shadow: inset 0 0 0 1px rgba(79, 224, 183, 0.12);
}

.day-card.selected {
  background: linear-gradient(180deg, rgba(10, 30, 43, 0.96), rgba(7, 20, 33, 0.96));
  border-color: rgba(79, 224, 183, 0.58);
  box-shadow:
    inset 0 0 0 1px rgba(79, 224, 183, 0.2),
    0 14px 36px rgba(0, 0, 0, 0.18);
}

.day-card:hover {
  transform: translateY(-2px);
  border-color: rgba(87, 166, 255, 0.3);
}

.day-card h3 {
  margin-bottom: 6px;
  font-size: 1.08rem;
  font-weight: 600;
}

.day-score {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0 12px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(79, 224, 183, 0.12);
  color: var(--accent);
  font-size: 0.98rem;
  letter-spacing: 0.08em;
}

.day-card p {
  color: var(--muted);
  line-height: 1.5;
}

.day-meta {
  margin-top: 14px;
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
}

.contract-card pre {
  overflow: auto;
  margin-top: 18px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(2, 8, 14, 0.85);
  color: #b7d3ea;
  font-size: 0.9rem;
}

.app-footer {
  margin-top: 22px;
  padding: 18px 20px 8px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.footer-title {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.app-footer p + p {
  margin-top: 8px;
}

.footer-actions {
  margin-top: 12px;
}

.footer-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 224, 183, 0.28);
  padding-bottom: 1px;
}

.footer-link:hover {
  border-bottom-color: rgba(79, 224, 183, 0.64);
}

.page-shell-help {
  width: min(980px, calc(100% - 32px));
}

.hero-help h1 {
  max-width: 14ch;
}

.help-card {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.help-actions {
  margin-bottom: 18px;
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.help-section {
  padding: 18px;
  border-radius: 18px;
  background: rgba(7, 20, 33, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.help-section-wide {
  grid-column: 1 / -1;
}

.help-section h2 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  font-weight: 600;
}

.help-section p {
  color: var(--muted);
  line-height: 1.55;
}

.help-section p + p {
  margin-top: 10px;
}

.help-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.help-formula {
  color: var(--text) !important;
  font-size: 1rem;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .controls,
  .chart-header,
  .timeline-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .timeline-nav {
    justify-content: stretch;
  }

  .chart-key {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .help-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .page-shell {
    width: min(100%, calc(100% - 20px));
    padding: 16px 0 28px;
  }

  .hero,
  .chart-card,
  .contract-card {
    border-radius: 12px;
  }

  .hero {
    padding: 12px;
    gap: 10px;
  }

  h1 {
    max-width: none;
    font-size: 1.95rem;
    line-height: 1;
  }

  .lede {
    display: block;
    font-size: 0.9rem;
  }

  .eyebrow,
  .section-kicker {
    margin-bottom: 6px;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
  }

  .hero-panel {
    gap: 8px;
  }

  .stat {
    padding: 10px 12px;
    border-radius: 8px;
  }

  .stat-label {
    margin-bottom: 4px;
    font-size: 0.66rem;
    letter-spacing: 0.1em;
  }

  .stat strong {
    font-size: 0.92rem;
    font-weight: 350;
    line-height: 1.18;
  }

  .controls {
    gap: 8px;
    margin: 10px 0 10px;
  }

  .location-picker,
  .toggle-grid {
    width: 100%;
  }

  .chip {
    padding: 8px 10px;
    font-size: 0.86rem;
  }

  .chart-card,
  .contract-card,
  .help-card {
    padding: 12px;
  }

  .chart-card {
    padding-top: 10px;
  }

  .chart-header h2 {
    font-size: 1.35rem;
    line-height: 1.1;
  }

  .chart-key {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 0 0 4px;
  }

  .legend-chip {
    justify-content: center;
    padding: 8px 10px;
    font-size: 0.82rem;
  }

  .chart-header {
    display: block;
    margin-bottom: 0;
  }

  .chart-header > div:first-child {
    display: none;
  }

  .timeline-toolbar {
    gap: 10px;
    margin-bottom: 4px;
  }

  .timeline-nav {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 10px;
  }

  .timeline-heading {
    gap: 8px;
    flex-wrap: wrap;
  }

  .timeline-heading strong {
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
  }

  .view-rating {
    padding: 3px 7px;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
  }

  .nav-button {
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 0.9rem;
  }

  .chart-wrap {
    border-radius: 8px;
    margin-inline: -6px;
    overflow-x: hidden;
    touch-action: pan-y pinch-zoom;
  }

  .chart-scale {
    position: absolute;
    z-index: 2;
    display: grid;
    gap: 11px;
    pointer-events: none;
    color: rgba(239, 247, 255, 0.82);
    font-size: 0.64rem;
    font-weight: 700;
  }

  .chart-scale span {
    min-width: 31px;
    padding: 3px 6px;
    border-radius: 999px;
    background: rgba(1, 7, 13, 0.58);
    line-height: 1;
    text-align: center;
  }

  .chart-scale-rain {
    top: 254px;
    left: 13px;
  }

  .chart-scale-rain span {
    color: #ff8ea0;
  }

  .chart-scale-wind {
    top: 278px;
    right: 12px;
  }

  .chart-scale-wind span {
    color: #ffd166;
  }

  .chart-wrap canvas {
    min-height: 0;
  }

  .summary-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 18px 0;
  }

  .app-footer {
    margin-top: 18px;
    padding: 12px 4px 4px;
    font-size: 0.84rem;
    line-height: 1.5;
  }

  .day-card {
    padding: 16px;
    border-radius: 18px;
  }

  .day-card h3 {
    font-size: 1rem;
  }

  .day-score {
    font-size: 1rem;
  }

  .day-meta {
    font-size: 0.96rem;
  }
}