:root {
  --ink: #0F2A3D;
  --paper: #F6F1E6;
  --desk: #E8E2D5;
  --paper-alt: #EFE8DA;
  --paper-raised: #FFFDF7;
  --sea: #2E7D8A;
  --sea-fill: rgba(46,125,138,.13);
  --sea-select: rgba(46,125,138,.09);
  --ink-on-dark: #8FB8C2;
  --ink-on-dark-2: #C7DCE2;
  --grade-prime: #1F7A4D;
  --grade-marginal: #C08A1E;
  --grade-poor: #B8412C;
  --grade-none: #7C8A93;
  --tint-prime: rgba(31,122,77,.09);
  --tint-marginal: rgba(192,138,30,.10);
  --tint-poor: rgba(184,65,44,.09);
  --tint-none: rgba(124,138,147,.09);
  --hairline: rgba(15,42,61,.14);
  --hairline-light: rgba(15,42,61,.08);
  --text-muted: rgba(15,42,61,.5);
  --text-muted-2: rgba(15,42,61,.62);
  --text-faint: rgba(15,42,61,.4);

  --f-display: 'Instrument Sans', system-ui, sans-serif;
  --f-body: 'Schibsted Grotesk', system-ui, sans-serif;
  --f-mono: 'DM Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--desk);
  font-family: var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--sea); text-decoration: none; }
a:hover { color: var(--ink); text-decoration: underline; }

.page {
  min-height: 100vh;
  padding: 44px 24px 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.card {
  width: 780px;
  max-width: 100%;
  background: var(--paper);
  border: 1px solid var(--hairline);
  box-shadow: 0 24px 60px -32px rgba(15,42,61,.4);
}

.skeleton {
  padding: 80px 34px;
  text-align: center;
  font: 500 14px/1.5 var(--f-body);
  color: var(--text-muted-2);
}

.error-banner {
  width: 780px;
  max-width: 100%;
  background: var(--tint-poor);
  border: 1px solid var(--grade-poor);
  color: var(--ink);
  font: 500 13px/1.5 var(--f-body);
  padding: 12px 16px;
}

/* ---------------------------------------------------------------- Masthead */

.masthead {
  padding: 26px 34px 22px;
  border-bottom: 1px solid var(--hairline);
  background: var(--ink);
  color: var(--paper);
}
.masthead-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.masthead-locale {
  font: 600 10px/1 var(--f-mono);
  letter-spacing: .22em;
  color: var(--ink-on-dark);
}
.masthead-issue {
  font: 500 10px/1 var(--f-mono);
  letter-spacing: .14em;
  color: var(--ink-on-dark);
}
.masthead-bottom {
  margin-top: 12px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}
.masthead-title {
  font: 600 50px/.92 var(--f-display);
  letter-spacing: -.035em;
}
.masthead-tagline {
  font: 400 15px/1.3 var(--f-display);
  letter-spacing: -.01em;
  color: var(--ink-on-dark-2);
  padding-bottom: 5px;
}

/* ------------------------------------------------------------- Day chips */

.day-chips {
  display: flex;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper-alt);
}
.day-chip {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 12px 4px 11px;
  border: none;
  border-right: 1px solid rgba(15,42,61,.12);
  cursor: pointer;
  font-family: inherit;
  color: var(--ink);
  background: transparent;
}
.day-chip:hover { filter: brightness(.97); }
.day-chip.selected {
  background: var(--paper);
  box-shadow: inset 0 -3px 0 var(--ink);
}
.day-chip-dow {
  font: 600 9px/1 var(--f-mono);
  letter-spacing: .16em;
  opacity: .6;
}
.day-chip-d {
  font: 600 20px/1 var(--f-display);
  letter-spacing: -.02em;
}
.day-chip-dot {
  width: 22px;
  height: 3px;
}

/* -------------------------------------------------- Summary + tide card */

.summary-row {
  padding: 28px 34px 22px;
  display: flex;
  gap: 28px;
  align-items: flex-start;
  justify-content: space-between;
}
.summary-col { flex: 1; min-width: 0; }
.summary-date {
  font: 600 10px/1 var(--f-mono);
  letter-spacing: .2em;
  color: var(--text-muted);
}
.summary-text {
  font: 500 30px/1.15 var(--f-display);
  letter-spacing: -.025em;
  color: var(--ink);
  margin-top: 10px;
  text-wrap: pretty;
}
.metrics-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0 26px;
  margin-top: 16px;
}
.metric {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.metric-label {
  font: 600 9px/1 var(--f-mono);
  letter-spacing: .16em;
  color: rgba(15,42,61,.45);
}
.metric-value {
  font: 500 15px/1 var(--f-mono);
  color: var(--ink);
}

.tide-card {
  flex: none;
  width: 216px;
  border: 1px solid rgba(15,42,61,.16);
  background: var(--paper-raised);
  padding: 16px 18px 15px;
}
.tide-card-label {
  font: 600 9px/1 var(--f-mono);
  letter-spacing: .18em;
  color: var(--text-muted);
}
.tide-card-value {
  font: 600 40px/1 var(--f-display);
  letter-spacing: -.035em;
  color: var(--ink);
  margin-top: 8px;
}
.tide-card-note {
  font: 400 12px/1.5 var(--f-body);
  color: var(--text-muted-2);
  margin-top: 8px;
}
.tide-card-divider {
  height: 1px;
  background: var(--hairline);
  margin: 13px 0 11px;
}
.tide-card-verdict {
  display: flex;
  align-items: center;
  gap: 8px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
}
.tide-card-verdict-text {
  font: 600 11px/1.2 var(--f-body);
  letter-spacing: .04em;
  color: var(--ink);
}

/* ---------------------------------------------------------- Window cards */

.window-cards {
  padding: 6px 34px 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.window-card {
  border: 1px solid transparent;
  border-left-width: 4px;
  border-left-style: solid;
  padding: 16px 18px 18px;
}
.window-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.window-card-title {
  font: 600 10px/1 var(--f-mono);
  letter-spacing: .18em;
  color: rgba(15,42,61,.55);
}
.window-card-pill {
  font: 600 9px/1 var(--f-mono);
  letter-spacing: .14em;
  color: var(--paper);
  padding: 5px 8px 4px;
  text-transform: uppercase;
}
.window-card-range {
  font: 600 27px/1.1 var(--f-display);
  letter-spacing: -.03em;
  color: var(--ink);
  margin-top: 12px;
}
.window-card-caption {
  font: 400 11px/1.5 var(--f-body);
  color: rgba(15,42,61,.55);
  margin-top: 5px;
}
.window-card-reason {
  font: 500 12px/1.45 var(--f-body);
  color: var(--ink);
  margin-top: 12px;
  text-wrap: pretty;
}

/* --------------------------------------------------------- Hourly block */

.hourly-block { padding: 0 34px 34px; }
.hourly-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-top: 1px solid var(--hairline);
  padding-top: 18px;
}
.hourly-title {
  font: 600 10px/1 var(--f-mono);
  letter-spacing: .2em;
  color: var(--text-muted);
}
.legend { display: flex; gap: 14px; }
.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font: 500 9px/1 var(--f-mono);
  letter-spacing: .1em;
  color: rgba(15,42,61,.6);
}
.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.scroll-hint {
  display: none;
  font: 500 11px/1.4 var(--f-body);
  color: var(--text-muted-2);
  margin-top: 10px;
}
.hourly-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tide-curve-wrap {
  position: relative;
  width: 700px;
  margin-top: 16px;
}
.tide-curve-wrap svg { display: block; width: 100%; height: 92px; overflow: visible; }
.high-tide-label {
  position: absolute;
  top: -4px;
  font: 600 9px/1 var(--f-mono);
  letter-spacing: .12em;
  color: var(--ink);
  transform: translateX(-50%);
  white-space: nowrap;
}

.window-bars {
  width: 700px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}
.window-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.window-bar-label {
  width: 78px;
  flex: none;
  font: 600 9px/1 var(--f-mono);
  letter-spacing: .12em;
  color: rgba(15,42,61,.55);
  text-align: right;
}
.window-bar-track {
  position: relative;
  flex: 1;
  height: 16px;
  background: rgba(15,42,61,.06);
}
.window-bar-segment {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 500 8px/1 var(--f-mono);
  letter-spacing: -.02em;
  color: var(--paper);
  white-space: nowrap;
  overflow: hidden;
  padding: 0 2px;
}

.hourly-grid {
  width: 612px;
  margin-top: 14px;
  margin-left: 88px;
  display: grid;
  grid-template-columns: repeat(15, 1fr);
  border-top: 1px solid var(--hairline);
}
.hour-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 10px;
  border-right: 1px solid var(--hairline-light);
}
.hour-cell.in-tubing-window { background: rgba(15,42,61,.045); }
.hour-rail { height: 4px; width: 100%; }
.hour-label { font: 500 9px/1 var(--f-mono); color: rgba(15,42,61,.6); margin-top: 9px; }
.hour-temp { font: 500 13px/1 var(--f-mono); color: var(--ink); margin-top: 7px; }
.hour-bar { width: 5px; border-radius: 3px; margin-top: 6px; }
.hour-sky { font: 400 8px/1.3 var(--f-mono); color: var(--text-muted); margin-top: 7px; text-align: center; }
.hour-wind { font: 500 9px/1.2 var(--f-mono); color: rgba(15,42,61,.72); margin-top: 5px; text-align: center; }
.hour-pop { font: 400 8px/1 var(--f-mono); color: rgba(15,42,61,.42); margin-top: 4px; }

/* ------------------------------------------------------------ Week table */

.week-block { padding: 0 34px 34px; }
.week-title {
  font: 600 10px/1 var(--f-mono);
  letter-spacing: .2em;
  color: var(--text-muted);
  border-top: 1px solid var(--hairline);
  padding-top: 18px;
}
.week-table {
  display: flex;
  flex-direction: column;
  margin-top: 8px;
}
.week-row-header, .week-row {
  display: grid;
  grid-template-columns: 104px 96px 1fr 1fr;
  gap: 12px;
  align-items: center;
}
.week-row-header {
  padding: 8px 0;
  border-bottom: 1px solid rgba(15,42,61,.1);
}
.week-row-header span {
  font: 600 9px/1 var(--f-mono);
  letter-spacing: .14em;
  color: var(--text-faint);
}
.week-row {
  padding: 11px 0;
  border-bottom: 1px solid var(--hairline-light);
  cursor: pointer;
}
.week-row:hover { background: rgba(15,42,61,.05); }
.week-row.selected { background: var(--sea-select); }
.week-date {
  font: 500 13px/1.2 var(--f-body);
  color: var(--ink);
}
.week-high {
  font: 500 13px/1.2 var(--f-mono);
  color: var(--ink);
}
.week-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.week-cell-dot {
  width: 9px;
  height: 9px;
  flex: none;
  border-radius: 50%;
}
.week-cell-text {
  font: 400 12px/1.3 var(--f-body);
  color: rgba(15,42,61,.75);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------------------------------------------------------- Footer */

.footer {
  padding: 18px 34px 24px;
  background: var(--ink);
  color: var(--ink-on-dark);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-note {
  font: 400 11px/1.6 var(--f-body);
  max-width: 440px;
}
.footer-meta {
  font: 500 10px/1.6 var(--f-mono);
  letter-spacing: .1em;
  text-align: right;
}

/* ------------------------------------------------------------- Controls */

.controls {
  width: 780px;
  max-width: 100%;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 14px 4px;
  font: 500 11px/1.4 var(--f-body);
  color: var(--text-muted-2);
}
.controls label { display: flex; align-items: center; gap: 8px; }
.controls output { font-family: var(--f-mono); color: var(--ink); }

/* ---------------------------------------------------------- No-tide state */

.no-tide-note {
  font: 500 13px/1.5 var(--f-body);
  color: var(--text-muted-2);
  padding: 4px 0 8px;
}

/* ------------------------------------------------------------- Mobile */

@media (max-width: 640px) {
  .page { padding: 0 0 48px; }
  .card { border-left: none; border-right: none; }

  .masthead,
  .summary-row,
  .window-cards,
  .hourly-block,
  .week-block,
  .footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .masthead-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .masthead-title { font-size: 36px; }
  .masthead-tagline { padding-bottom: 0; }

  .summary-row {
    flex-direction: column;
    gap: 18px;
  }
  .tide-card { width: 100%; }

  .scroll-hint { display: block; }

  .week-row-header { display: none; }
  .week-row-header,
  .week-row {
    grid-template-columns: 1fr 1fr;
    row-gap: 6px;
  }
  .week-cell-text {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
  }

  .controls { padding-left: 18px; padding-right: 18px; }
}