:root {
  --page: #f3f7fa;
  --surface: #fbfcfe;
  --ink: #0b172a;
  --muted: #52677a;
  --line: #c8d5de;
  --brand: #164e63;
  --brand-soft: #e7f0f4;
  --milestone: #1d6fa5;
  --milestone-assumed: #76a9ca;
  --preview: #b58105;
  --banked: #377b65;
  --service: #b45c2f;
  --product: #6a5ca8;
  --other: #607283;
  --focus: #087ea4;
  --shadow: 0 24px 70px rgb(13 40 60 / 12%);
  --day-empty: #e6edf2;
  --day-size: 18px;
  --day-gap: 4px;
  --font-body: Aptos, "Noto Sans SC", "Microsoft YaHei UI", "Yu Gothic UI", Meiryo, sans-serif;
  --font-numeric: Bahnschrift, "DIN Alternate", Aptos, "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

button,
select {
  font: inherit;
  touch-action: manipulation;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
  transform: translateY(-160%);
  transition: transform 180ms ease-out;
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  width: min(1120px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.wordmark {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.radar-mark {
  position: relative;
  width: 22px;
  height: 22px;
  border: 2px solid var(--brand);
  border-radius: 50%;
}

.radar-mark::before,
.radar-mark::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.radar-mark::before {
  inset: 4px;
  border: 1px solid var(--brand);
}

.radar-mark::after {
  width: 4px;
  height: 4px;
  top: 7px;
  left: 7px;
  background: var(--brand);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.independent-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.language-control select {
  min-height: 44px;
  max-width: 150px;
  padding: 0 34px 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.forecast-shell {
  min-height: min(760px, calc(100dvh - 100px));
  padding: clamp(48px, 8vw, 96px) clamp(20px, 6vw, 72px) 32px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.forecast-state {
  min-height: 32px;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
}

.state-dot {
  width: 8px;
  height: 8px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.eyebrow {
  margin: 24px 0 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  text-wrap: balance;
}

.forecast-date {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  column-gap: 0.12em;
  font-family: var(--font-numeric);
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 1.02;
  font-variant-numeric: tabular-nums;
}

.forecast-date-value,
.forecast-weekday {
  white-space: nowrap;
}

.forecast-weekday {
  font-size: 0.5em;
  letter-spacing: -0.025em;
}

.forecast-year {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
}

.forecast-window {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--ink);
  font-family: var(--font-numeric);
  font-size: clamp(16px, 2vw, 20px);
  font-variant-numeric: tabular-nums;
}

.window-divider {
  width: 1px;
  height: 18px;
  background: var(--line);
}

.timezone-line {
  margin: 14px 0 0;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
}

.forecast-meta {
  width: 100%;
  max-width: 820px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.8fr;
  gap: 20px;
  text-align: left;
}

.forecast-meta > div,
.scope-strip > div {
  display: grid;
  gap: 4px;
}

.forecast-meta strong,
.scope-strip strong {
  font-size: 15px;
  line-height: 1.45;
  text-wrap: pretty;
}

.meta-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.priority-notice {
  width: 100%;
  max-width: 820px;
  margin-top: 24px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--page);
  color: var(--ink);
  text-align: left;
  text-wrap: pretty;
}

.priority-notice code {
  font-family: var(--font-numeric);
}

.prototype-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.milestone-progress-section {
  margin-top: 32px;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.milestone-progress-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  align-items: end;
  gap: 32px;
}

.milestone-progress-heading .eyebrow {
  margin-top: 0;
}

.milestone-progress-heading h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.milestone-progress-heading > p {
  margin: 0;
  color: var(--muted);
  text-wrap: pretty;
}

.milestone-progress-metrics {
  margin-top: 30px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.milestone-progress-metrics > div {
  display: grid;
  gap: 4px;
}

.milestone-progress-metrics strong {
  font-family: var(--font-numeric);
  font-size: clamp(18px, 2.5vw, 24px);
  font-variant-numeric: tabular-nums;
}

.milestone-segment {
  margin-top: 28px;
}

.milestone-segment-track {
  position: relative;
  height: 18px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--page);
  overflow: hidden;
}

.milestone-segment-track::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--milestone);
}

.milestone-segment-estimate {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background:
    repeating-linear-gradient(
      135deg,
      var(--milestone-assumed) 0 6px,
      var(--brand-soft) 6px 12px
    );
  transition: width 240ms ease-out;
}

.milestone-segment-labels {
  margin-top: 8px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  color: var(--muted);
  font-family: var(--font-numeric);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.milestone-segment-labels span:nth-child(2) {
  color: var(--ink);
  font-weight: 700;
}

.milestone-segment-labels span:last-child {
  text-align: right;
}

.milestone-chart {
  height: 260px;
  margin-top: 30px;
  padding: 16px 8px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(7, minmax(54px, 1fr));
  align-items: end;
  gap: clamp(8px, 2vw, 24px);
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.milestone-column-item {
  min-width: 54px;
  height: 100%;
  color: var(--ink);
  display: grid;
  grid-template-rows: 28px minmax(0, 1fr) 38px;
  align-items: end;
  gap: 8px;
  text-align: center;
  text-decoration: none;
}

a.milestone-column-item:hover .milestone-column {
  filter: brightness(0.92);
}

a.milestone-column-item:active {
  opacity: 0.72;
}

.milestone-column-value {
  align-self: center;
  font-family: var(--font-numeric);
  font-size: 14px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.milestone-column-well {
  height: 100%;
  display: flex;
  align-items: end;
  justify-content: center;
}

.milestone-column {
  width: min(52px, 82%);
  min-height: 4px;
  border-radius: 5px 5px 0 0;
  background: var(--milestone);
}

.milestone-column-item.is-estimated .milestone-column {
  border: 1px solid var(--milestone);
  background:
    repeating-linear-gradient(
      135deg,
      var(--milestone-assumed) 0 6px,
      var(--brand-soft) 6px 12px
    );
}

.milestone-column-item.is-target .milestone-column {
  border: 2px dashed var(--milestone);
  background: transparent;
}

.milestone-column-date {
  align-self: start;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
}

.milestone-chart-legend {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: var(--muted);
  font-size: 13px;
}

.milestone-chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.milestone-legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

.milestone-legend-swatch.is-confirmed {
  background: var(--milestone);
}

.milestone-legend-swatch.is-estimated {
  border: 1px solid var(--milestone);
  background:
    repeating-linear-gradient(
      135deg,
      var(--milestone-assumed) 0 4px,
      var(--brand-soft) 4px 8px
    );
}

.milestone-legend-swatch.is-target {
  border: 2px dashed var(--milestone);
}

.milestone-progress-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  text-wrap: pretty;
}

.history-section {
  padding: clamp(72px, 10vw, 120px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  align-items: end;
  gap: 32px;
}

.section-heading .eyebrow {
  margin-top: 0;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  text-wrap: pretty;
}

.history-legend {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.legend-filter {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: border-color 180ms ease-out, color 180ms ease-out, opacity 180ms ease-out;
}

.legend-filter:hover {
  border-color: var(--muted);
  color: var(--ink);
}

.legend-filter:active {
  opacity: 0.72;
}

.legend-filter.is-active {
  border-color: var(--ink);
  color: var(--ink);
}

.legend-key {
  min-height: 44px;
  padding: 0 12px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: var(--other);
}

.legend-swatch.is-all {
  background: var(--ink);
}

.legend-swatch.is-milestone {
  background: var(--milestone);
}

.legend-swatch.is-assumed-milestone {
  border: 2px solid var(--milestone);
  background: var(--milestone-assumed);
}

.legend-swatch.is-preview {
  background: var(--preview);
}

.legend-swatch.is-banked {
  background: var(--banked);
}

.legend-swatch.is-service {
  background: var(--service);
}

.legend-swatch.is-product {
  background: var(--product);
}

.legend-swatch.is-uncovered {
  border: 1px dashed var(--line);
  background: transparent;
}

.calendar-toolbar {
  margin-top: 28px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.calendar-toolbar p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  text-wrap: pretty;
}

.calendar-navigation {
  display: flex;
  gap: 8px;
  flex: 0 0 auto;
}

.calendar-navigation button {
  min-width: 64px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
}

.calendar-navigation button:hover {
  border-color: var(--muted);
}

.calendar-navigation button:active {
  background: var(--brand-soft);
}

.calendar-frame {
  margin-top: 16px;
  padding: 28px 24px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.calendar-scroll {
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--line) transparent;
  scrollbar-width: thin;
}

.calendar-scroll:focus-visible {
  border-radius: 8px;
}

.calendar-inner {
  width: max-content;
  min-width: 100%;
  padding: 4px 2px 10px;
}

.day-grid {
  display: grid;
  grid-template-rows: repeat(7, var(--day-size));
  grid-auto-flow: column;
  grid-auto-columns: var(--day-size);
  gap: var(--day-gap);
}

.day-cell {
  width: var(--day-size);
  height: var(--day-size);
  padding: 0;
  border: 0;
  border-radius: 5px;
  background: var(--day-empty);
  color: var(--surface);
  font-family: var(--font-numeric);
  font-size: 10px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: var(--day-size);
  text-align: center;
  transition: opacity 180ms ease-out, box-shadow 180ms ease-out;
}

.day-cell:hover {
  box-shadow: 0 0 0 2px var(--ink);
}

.day-cell:focus-visible {
  position: relative;
  z-index: 2;
}

.day-cell.is-milestone {
  background: var(--milestone);
}

.day-cell.is-assumed-milestone {
  border: 2px solid var(--milestone);
  background: var(--milestone-assumed);
  color: var(--ink);
  line-height: calc(var(--day-size) - 4px);
}

.day-cell.is-preview {
  background: var(--preview);
}

.day-cell.is-banked {
  background: var(--banked);
}

.day-cell.is-service {
  background: var(--service);
}

.day-cell.is-product {
  background: var(--product);
}

.day-cell.is-other,
.day-cell.is-mixed {
  background: var(--other);
}

.day-cell.is-selected {
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--ink);
}

.day-cell.is-filtered-out {
  opacity: 0.16;
}

.day-cell.is-before-coverage {
  border: 1px dashed var(--line);
  background: transparent;
}

.day-cell.is-after-today {
  visibility: hidden;
  pointer-events: none;
}

.month-grid {
  margin-top: 10px;
  display: grid;
  grid-template-rows: 24px;
  align-items: start;
  gap: var(--day-gap);
}

.month-label {
  grid-row: 1;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.day-detail-dialog {
  width: min(640px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 28px 90px rgb(17 23 19 / 24%);
  overflow: auto;
}

.day-detail-dialog::backdrop {
  background: rgb(17 23 19 / 48%);
}

.day-detail-dialog-toolbar {
  position: sticky;
  z-index: 1;
  top: 0;
  padding: 12px 12px 0;
  background: var(--surface);
  display: flex;
  justify-content: flex-end;
}

.day-detail-dialog-close {
  min-width: 64px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
}

.day-detail-dialog-close:hover {
  border-color: var(--muted);
}

.day-detail-dialog-close:active {
  background: var(--brand-soft);
}

.day-detail-dialog-content {
  padding: 4px 24px 24px;
}

.day-detail-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
}

.day-detail-header h3 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.day-detail-header p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.day-event-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.day-event {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.day-event:first-child {
  border-top: 0;
}

.day-event-title {
  margin: 0;
  font-weight: 700;
}

.day-event-meta {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.day-event a {
  min-height: 44px;
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  color: var(--brand);
  font-weight: 700;
  text-underline-offset: 3px;
}

.history-list-alternative {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.history-list-alternative summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  cursor: pointer;
  color: var(--ink);
  font-weight: 700;
}

.history-list-alternative ol {
  margin: 0;
  padding: 0 0 8px 24px;
}

.history-list-alternative li {
  padding: 8px 0;
  color: var(--muted);
}

.history-list-alternative time {
  color: var(--ink);
  font-family: var(--font-numeric);
  font-variant-numeric: tabular-nums;
}

.scope-strip {
  margin: 80px 0 0;
  padding: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 40px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  font-size: 13px;
}

footer p {
  margin: 0;
}

@media (max-width: 720px) {
  .site-header {
    min-height: 68px;
  }

  .independent-label {
    display: none;
  }

  .forecast-shell {
    min-height: calc(100dvh - 84px);
    padding-inline: 18px;
    border-radius: 16px;
  }

  .forecast-meta {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .forecast-meta > div {
    grid-template-columns: 112px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }

  .section-heading,
  .scope-strip,
  .milestone-progress-heading {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
    gap: 16px;
  }

  .scope-strip {
    padding-inline: 0;
  }

  .milestone-progress-metrics {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .milestone-progress-metrics > div {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }

  .calendar-toolbar {
    align-items: start;
    flex-direction: column;
  }

  .calendar-navigation {
    align-self: flex-end;
  }

  .calendar-frame {
    padding-inline: 16px;
  }
}

@media (max-width: 430px) {
  :root {
    --day-size: 20px;
  }

  .wordmark {
    font-size: 16px;
  }

  .language-control select {
    width: 118px;
  }

  .forecast-window {
    flex-direction: column;
    gap: 4px;
  }

  .window-divider {
    display: none;
  }

  .forecast-meta > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .milestone-progress-section {
    padding-inline: 18px;
  }

  .milestone-progress-metrics > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .milestone-chart {
    grid-template-columns: repeat(7, 62px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
/* Explicit layouts must not override semantic hidden state. */
[hidden] { display: none !important; }
.forecast-date-value.is-review { white-space: normal; overflow-wrap: anywhere; font-size: clamp(1.5rem, 5vw, 3.5rem); }
/* Minimal monochrome edition. Color is reserved for historical event encoding. */
:root{--page:#f7f7f7;--surface:#fff;--ink:#171717;--muted:#686868;--line:#d9d9d9;--brand:#222;--brand-soft:#ededed;--focus:#555;--shadow:none;--day-empty:#e3e3e3}
.minimal-home .site-header{width:calc(100% - 96px);max-width:1440px;min-height:104px;border-bottom:1px solid var(--line)}
.minimal-home .wordmark{font-size:22px;letter-spacing:-.06em;font-weight:750}
.minimal-home .radar-mark,.minimal-home .independent-label{display:none}
.minimal-home .header-actions{gap:12px}
.minimal-home .language-control select{border:0;border-radius:0;background:transparent;font-size:13px;max-width:190px;padding-left:0}
.minimal-home main{width:100%;max-width:none}
.minimal-home .forecast-shell{min-height:0;padding:72px 24px 28px;border:0;border-radius:0;box-shadow:none;background:transparent;overflow:hidden}
.minimal-home .forecast-state,.minimal-home .forecast-weekday,.minimal-home .scope-strip,.minimal-home .milestone-progress-section{display:none!important}
.minimal-home .forecast-shell>.eyebrow{margin:0 0 25px;font-size:11px;letter-spacing:.22em;font-weight:500;color:#666}
.minimal-home .forecast-date{font-size:clamp(58px,10vw,144px);font-weight:600;letter-spacing:-.075em;line-height:1.12}
.minimal-home .forecast-date-value{white-space:normal;overflow-wrap:anywhere}
.minimal-home #forecast-heading{max-width:100%}
.reason-display{width:min(560px,100%);margin:28px auto 0;min-height:54px;display:flex;justify-content:center;align-items:center}
.split-flap{display:flex;gap:4px;font-family:'Cascadia Code',Consolas,'Microsoft YaHei UI',monospace;font-weight:600;font-size:var(--flap-size,24px);line-height:1;white-space:pre}
.flap-tile{position:relative;width:1.12em;height:1.42em;perspective:520px;border-radius:3px;background:#222;color:#fafafa;overflow:hidden}
.flap-tile:after{content:'';position:absolute;z-index:9;top:50%;left:0;right:0;height:1px;background:#090909;box-shadow:0 1px 0 #ffffff15;pointer-events:none}
.flap-half{position:absolute;left:0;width:100%;height:50%;overflow:hidden;backface-visibility:hidden;background:#232323}
.flap-half.top{top:0;transform-origin:center bottom}
.flap-half.bottom{bottom:0;transform-origin:center top;background:#1c1c1c}
.flap-half>span{position:absolute;left:0;width:100%;height:200%;display:flex;align-items:center;justify-content:center}
.flap-half.top>span{top:0}.flap-half.bottom>span{bottom:0}
.flap-front,.flap-back{z-index:6}
.estimate-caption{font-size:11px;color:#666;margin:13px 0 0;letter-spacing:.06em;max-width:70ch;text-wrap:pretty}
.curve-wrap{width:calc(100% + 48px);margin:25px -24px 0;overflow:hidden;cursor:grab;touch-action:pan-y;user-select:none}
.curve-wrap:active{cursor:grabbing}.curve-wrap svg{display:block;width:100%;min-width:720px;height:160px;fill:#777;font-size:23px;font-weight:450;letter-spacing:1px}
.metadata-static{display:none}
.motion-toggle{border:0;border-bottom:1px solid #aaa;background:none;font-size:11px;color:#777;min-height:32px;padding:0 4px;margin:0;letter-spacing:.05em}
.minimal-home .history-section{width:calc(100% - 96px);max-width:1280px;margin:30px auto 0;padding:30px 0 0;border-top:1px solid #aaa}
.minimal-home .section-heading h2{font-size:24px;font-weight:500;letter-spacing:-.04em}
.minimal-home .section-heading .eyebrow{font-size:10px;margin:0 0 6px;font-weight:400}
.minimal-home #history-coverage{font-size:11px;max-width:48ch}
.minimal-home .history-legend{gap:6px 14px;margin-block:20px 12px}
.minimal-home .legend-filter{border-radius:0;border:0;background:transparent;font-size:12px;padding:4px 0;min-height:36px}
.minimal-home .legend-filter.is-active{box-shadow:none;border-bottom:1px solid #222;background:transparent;color:#111}
.minimal-home .legend-key{font-size:10px}.minimal-home .calendar-toolbar p{font-size:11px}
.minimal-home .calendar-navigation button{border-radius:0;background:transparent;font-size:12px}
.minimal-home .calendar-frame{border:0;border-radius:0;background:transparent}
.minimal-home .history-list-alternative{font-size:12px;margin-top:18px}
.minimal-home footer{width:calc(100% - 96px);max-width:1280px;margin:24px auto 0;padding:24px 0 32px;text-align:left;font-size:11px;border-top:1px solid var(--line);color:var(--muted)}
.minimal-home footer .reading-nav{width:100%;border:0;padding:0;gap:6px 24px}
.minimal-home footer .reading-nav a{font-size:12px;text-decoration:none;min-height:36px}
.minimal-home footer>p,.minimal-home footer .site-disclaimer{font-size:11px;margin:10px 0;padding:0;max-width:none}
.minimal-home #language-note{display:none}
.forecast-details{font-size:12px;margin-bottom:20px}.forecast-details summary{cursor:pointer;min-height:36px}
.forecast-details .forecast-window,.forecast-details .forecast-meta{margin:16px 0;font-size:12px;justify-content:flex-start;text-align:left;padding:0;border:0;gap:18px}
.forecast-details .priority-notice,.forecast-details .prototype-note{font-size:12px;background:none;border:0;padding:0;margin:12px 0;max-width:90ch;text-align:left}
.forecast-details .timezone-line,.forecast-details #forecast-time-references{font-size:11px;text-align:left}
.minimal-home.motion-paused .curve-wrap svg{display:none}.minimal-home.motion-paused .metadata-static{display:block;font-size:12px;max-width:800px;padding:18px 24px;margin:auto;line-height:2;color:#666;user-select:text}
@media(max-width:650px){
.minimal-home .site-header{width:calc(100% - 40px);min-height:84px;gap:8px;padding-block:16px;align-items:center}
.minimal-home .wordmark{font-size:20px}.minimal-home .header-actions{width:auto;flex-wrap:nowrap;gap:8px;margin-left:auto}
.minimal-home .header-actions .language-control{flex:initial}.minimal-home .header-actions select{font-size:11px;max-width:118px;padding-right:18px}
.minimal-home .forecast-shell{padding-top:62px}.minimal-home .forecast-date{font-size:clamp(52px,12.5vw,80px)}
.reason-display{margin-top:22px}.curve-wrap{margin-top:16px}.curve-wrap svg{height:120px;font-size:32px;position:relative;left:50%;transform:translateX(-50%)}
.minimal-home .history-section,.minimal-home footer{width:calc(100% - 40px)}
.minimal-home .history-section{margin-top:12px}.minimal-home .section-heading{align-items:flex-start;gap:12px;flex-direction:column}
.minimal-home .section-heading h2{font-size:22px}.minimal-home #history-coverage{margin:0}
.minimal-home .legend-key{display:none}.minimal-home .calendar-toolbar{gap:12px}.minimal-home .calendar-toolbar p{max-width:62%}
}
@media(prefers-reduced-motion:reduce){.curve-wrap svg{display:none}.metadata-static{display:block;font-size:12px;padding:16px 24px;line-height:2}.flap-tile *{animation:none!important;transition:none!important}}
/* Large date split-flap: scales as one row in every supported language. */
.minimal-home .forecast-date-value.date-flap{display:flex;justify-content:center;font-size:var(--flap-size);letter-spacing:0;line-height:1;font-weight:650;white-space:pre}
.date-flap .flap-tile{width:1.06em;height:1.34em;border-radius:6px;perspective:1000px;flex-shrink:0}
.date-flap .flap-tile:after{height:2px;background:#080808}
.date-flap .flap-half{background:#252525}.date-flap .flap-half.bottom{background:#1a1a1a}
@media(max-width:650px){.date-flap .flap-tile{border-radius:3px}.date-flap .flap-tile:after{height:1px}}

.minimal-home .date-flap{font-family:var(--font-numeric)}
/* Date, weekday and official-time boards share a calmer humanist typeface. */
.minimal-home .date-flap,.date-secondary .split-flap,.reason-display .split-flap{font-family:'Segoe UI Variable Display','Segoe UI','Microsoft YaHei UI','Yu Gothic UI',sans-serif;font-weight:600}
.date-secondary{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 24px;margin:20px auto 0;max-width:100%}
.date-secondary .split-flap{letter-spacing:0}
.date-secondary .flap-tile{width:1.12em}
#forecast{--board-top:#252525;--board-bottom:#1a1a1a;--board-text:#fafafa}
#forecast[data-board-tone="confirmed"]{--board-top:#b51f27;--board-bottom:#981920;--board-text:#fff}
#forecast[data-board-tone="high"]{--board-top:#f5cf47;--board-bottom:#e6b92b;--board-text:#211c0b}
#forecast .date-flap .flap-half,#forecast .date-secondary .flap-half{background:var(--board-top);color:var(--board-text)}
#forecast .date-flap .flap-half.bottom,#forecast .date-secondary .flap-half.bottom{background:var(--board-bottom)}
@media(max-width:650px){.date-secondary{margin-top:16px}.date-secondary .split-flap{font-size:min(var(--flap-size),23px)}}

/* Optional black/cyan/violet edition. Announcement tones retain their meaning. */
:root{color-scheme:light}
:root[data-theme="contrast"]{color-scheme:dark;--page:#080909;--surface:#141717;--ink:#f2f5f4;--muted:#a2adaa;--line:#343d3a;--brand:#63efd1;--brand-soft:#163b32;--focus:#c6a5ff;--day-empty:#252c29}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:6px 12px;border:1px solid var(--line);border-radius:3px;background:var(--surface);color:var(--ink);font-size:12px;white-space:nowrap}
.theme-toggle:hover{border-color:var(--brand)}
.theme-swatch{width:14px;height:14px;border-radius:50%;background:linear-gradient(90deg,#63efd1 50%,#c6a5ff 50%);flex-shrink:0}
[data-theme="contrast"] .theme-toggle{border-color:#52685f}
[data-theme="contrast"] .wordmark{color:var(--brand)}
[data-theme="contrast"] #forecast:not([data-board-tone="confirmed"]):not([data-board-tone="high"]){--board-top:#63efd1;--board-bottom:#4bd8ba;--board-text:#081c16}
[data-theme="contrast"] .reason-display .flap-half{background:#c6a5ff;color:#20132d}
[data-theme="contrast"] .reason-display .flap-half.bottom{background:#b28fe9}
[data-theme="contrast"] .flap-tile{background:#101a16}
[data-theme="contrast"] .curve-wrap svg{fill:#c6a5ff}
[data-theme="contrast"] .minimal-home .forecast-shell>.eyebrow,
[data-theme="contrast"] .estimate-caption,
[data-theme="contrast"] .motion-toggle,
[data-theme="contrast"] .minimal-home.motion-paused .metadata-static{color:var(--muted)}
[data-theme="contrast"] .minimal-home .history-section{border-color:var(--line)}
[data-theme="contrast"] .minimal-home .legend-filter.is-active{color:var(--brand);border-color:var(--brand)}
[data-theme="contrast"] select option{background:var(--surface);color:var(--ink)}
@media(max-width:650px){.minimal-home .site-header{flex-wrap:wrap}.minimal-home .header-actions{width:100%;justify-content:space-between;gap:6px}.theme-toggle{font-size:11px;padding-inline:8px}.reading-header{flex-wrap:wrap}}

/* Native disclosure markers, with a consistent keyboard/touch target. */
.minimal-home .history-list-alternative summary,.minimal-home .forecast-details summary{display:list-item;list-style:disclosure-closed inside;min-height:44px;padding-block:12px;font-size:12px;font-weight:500;line-height:20px;color:var(--muted);cursor:pointer}
.minimal-home .history-list-alternative[open]>summary,.minimal-home .forecast-details[open]>summary{list-style-type:disclosure-open}
.minimal-home .history-list-alternative summary:hover,.minimal-home .forecast-details summary:hover{color:var(--ink)}