:root {
  --canvas: #f5f5f1; --surface: #fff; --ink: #242c28; --muted: #58635d;
  --line: #d9dfd9; --accent: #316453; --accent-dark: #224b3d; --soft: #eef4ef;
  --snow: #3c6c82; --snow-soft: #eaf1f5; --snow-range: #c6dce7;
  --danger: #893f35; --danger-bg: #faf1ee; --radius: 8px;
  font-family: "Helvetica Neue", Arial, sans-serif; color: var(--ink); background: var(--canvas);
  font-synthesis: none; line-height: 1.5;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
button, select { font: inherit; }
button, .button-link, select { min-height: 44px; }
button, .button-link { border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--ink); padding: 10px 15px; cursor: pointer; text-align: center; font-size: 13px; }
button:hover:not(:disabled), .button-link:hover { background: var(--soft); border-color: var(--accent); }
button:disabled { opacity: .6; cursor: wait; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover:not(:disabled) { background: var(--accent-dark); }
a { color: var(--accent-dark); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
h1, h2, h3, p { margin: 0; overflow-wrap: anywhere; }
h1 { font-size: 14px; font-weight: 400; color: var(--muted); margin-top: 3px; }
h2 { font-size: 22px; font-weight: 600; letter-spacing: -.4px; line-height: 1.3; }
h3 { font-size: 17px; font-weight: 600; line-height: 1.4; }
.page-header { max-width: 1540px; margin: auto; padding: 28px 36px 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { min-width: 0; }
.brand-name { font-family: Georgia, "Times New Roman", serif; font-size: 29px; line-height: 1.25; }
.eyebrow { display: block; color: var(--muted); font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; font-weight: 600; margin-bottom: 6px; }
.help { font-size: 12px; color: var(--muted); line-height: 1.55; }
.header-actions { display: flex; align-items: center; gap: 20px; }
.update-status { position: relative; padding-left: 15px; font-size: 13px; }
.update-status > .help { display: block; }
.status-dot { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: #9ba79f; left: 0; top: 7px; }
.status-dot.ok { background: var(--accent); }
.status-dot.warning { background: #a27635; }
.workspace { max-width: 1540px; margin: 0 auto 32px; padding: 0 36px; min-width: 0; }
.monitor-toolbar { display: flex; align-items: center; gap: 18px; padding: 16px 0 18px; border-top: 1px solid var(--line); }
.elevation-control { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
label { font-size: 13px; font-weight: 600; }
select { border: 1px solid #b7c1b9; border-radius: 5px; background: var(--surface); color: var(--ink); padding: 8px 32px 8px 10px; font-size: 13px; max-width: 100%; }
.toolbar-note { font-size: 11px; color: var(--muted); margin-left: auto; text-align: right; }
.message { font-size: 13px; padding: 13px 15px; margin: 0 0 18px; border-radius: 5px; border: 1px solid var(--line); background: var(--soft); overflow-wrap: anywhere; }
.message.loading { background: var(--surface); }
.message.error { color: var(--danger); background: var(--danger-bg); border-color: #e1c4ba; }
.message.notice { background: #f8f3e8; color: #705426; border-color: #ded1b2; }
.recovery-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: -6px 0 18px; }
.button-link { display: inline-flex; align-items: center; justify-content: center; }
.stat-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 24px; }
.stat { padding: 19px 24px 20px; min-width: 0; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat .eyebrow { letter-spacing: .8px; }
.stat-value { display: block; overflow-wrap: anywhere; font-size: 28px; line-height: 1.35; font-weight: 600; letter-spacing: -.7px; font-variant-numeric: tabular-nums; margin-bottom: 5px; }
.snow-stat .stat-value { color: var(--snow); }
.overview-grid { display: grid; grid-template-columns: minmax(0, 1.95fr) minmax(0, 1fr); gap: 24px; align-items: start; margin-bottom: 24px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); min-width: 0; padding: 24px; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.panel-heading .eyebrow { margin-bottom: 4px; }
.badge { display: inline-block; color: var(--muted); font-size: 11px; border-radius: 4px; padding: 5px 8px; background: var(--canvas); white-space: nowrap; }
.empty-state { padding: 64px 0 70px; }
.empty-state p { font-size: 14px; color: var(--muted); max-width: 430px; margin-top: 10px; }
.chart-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; font-size: 11px; color: var(--muted); margin: 20px 0 0; }
.chart-legend > span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend > .help { margin-left: auto; }
.chart-legend i { display: inline-block; border-radius: 2px; }
.legend-median { width: 13px; height: 8px; background: var(--snow); }
.legend-range { width: 13px; height: 8px; background: var(--snow-range); }
.chart-wrap { width: 100%; min-width: 0; }
#snow-chart { width: 100%; height: auto; display: block; overflow: visible; }
.chart-grid { stroke: #e7ece8; stroke-width: 1; }
.chart-axis { fill: var(--muted); font-size: 11px; font-family: Arial, sans-serif; }
.chart-range { fill: var(--snow-range); }
.chart-bar { fill: var(--snow); }
.chart-selected { fill: var(--soft); }
.chart-missing { fill: var(--muted); font-size: 15px; font-family: Arial, sans-serif; }
.day-tabs { display: grid; grid-template-columns: repeat(7, minmax(84px, 1fr)); overflow-x: auto; overscroll-behavior-inline: contain; gap: 5px; padding: 4px 3px 8px; margin: 0 -3px 8px; }
.day-tab { padding: 10px 5px; text-align: center; min-width: 0; border-color: transparent; background: var(--canvas); }
.day-tab[aria-selected="true"] { background: var(--soft); border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.day-tab[aria-selected="true"] .day-name { color: var(--accent-dark); }
.day-name { display: block; font-size: 12px; font-weight: 600; }
.day-date { display: block; font-size: 11px; color: var(--muted); margin: 1px 0 9px; }
.day-snow { display: block; font-size: 16px; font-weight: 600; color: var(--snow); font-variant-numeric: tabular-nums; white-space: nowrap; }
.day-range, .day-temp, .day-agreement, .day-partial { display: block; font-size: 10px; line-height: 1.65; color: var(--muted); }
.day-range { color: var(--snow); }
.day-temp { margin-top: 7px; font-size: 11px; }
.day-agreement { margin-top: 5px; }
.day-partial { margin-top: 2px; color: var(--accent-dark); min-height: 17px; }
details > summary { cursor: pointer; min-height: 44px; padding: 12px 0; font-size: 13px; font-weight: 600; color: var(--accent-dark); }
.forecast-data { margin-top: 10px; border-top: 1px solid var(--line); }
.camera-panel { padding: 24px; }
.camera-visual { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #e8ece8; border-radius: 4px; margin-top: 18px; }
.camera-visual img { display: block; width: 100%; height: 100%; object-fit: cover; }
.camera-fallback { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 24px; text-align: center; color: var(--muted); font-size: 13px; background: #e8ece8; }
.camera-caption { margin-top: 12px; font-size: 12px; font-weight: 600; }
.camera-caption span { color: var(--muted); font-weight: 400; }
#camera-status { margin-top: 5px; }
.camera-actions { display: flex; gap: 8px; margin-top: 16px; }
.camera-actions button { flex: 1; padding: 10px 8px; font-size: 12px; }
.source-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; }
#camera-player { margin-top: 16px; }
#camera-player iframe { width: 100%; height: 270px; border: 1px solid var(--line); border-radius: 4px; }
#camera-player p { font-size: 12px; color: var(--muted); margin-top: 8px; }
.day-detail, .synthesis-panel, .comparison-panel { margin-bottom: 24px; }
.day-detail { border-top: 2px solid var(--accent); }
.day-weather { font-size: 14px; margin: 10px 0 18px; }
.day-metrics { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin: 0 0 15px; }
.day-metrics > div { padding-right: 14px; }
.day-metrics dt { font-size: 11px; color: var(--muted); margin-bottom: 5px; }
.day-metrics dd { margin: 0; font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }
.day-metrics .metric-note { display: block; font-size: 11px; font-weight: 400; color: var(--muted); }
.hourly-details { border-top: 1px solid var(--line); margin-top: 18px; }
#hourly-hint { margin-bottom: 8px; }
.table-scroll { position: relative; width: 100%; max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 13px; font-variant-numeric: tabular-nums; }
th { font-size: 11px; font-weight: 600; color: var(--muted); padding: 12px 10px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
td { padding: 13px 10px; border-bottom: 1px solid #e9ede9; white-space: nowrap; }
th:first-child, td:first-child { padding-left: 0; }
th:last-child, td:last-child { padding-right: 0; }
.number { text-align: right; }
.cell-secondary { display: block; font-size: 11px; color: var(--muted); font-weight: 400; }
.cell-status { display: inline-block; font-size: 11px; background: var(--soft); color: var(--accent-dark); border-radius: 4px; padding: 4px 7px; }
.cell-status.unavailable { background: var(--canvas); color: var(--muted); }
.error-details { max-width: 240px; white-space: normal; overflow-wrap: anywhere; }
.error-details summary { color: var(--muted); font-weight: 400; font-size: 11px; }
.error-details p { font-size: 11px; padding-bottom: 10px; }
.table-hint { display: none; margin: 8px 0; }
.synthesis-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: 36px; }
#summary-headline { margin: 3px 0 10px; }
#summary-text, #summary-bullets { font-size: 14px; }
#summary-text { max-width: 700px; line-height: 1.65; }
#summary-bullets { color: var(--muted); margin: 12px 0 0; padding-left: 18px; }
#summary-bullets li + li { margin-top: 5px; }
.snow-window { border-left: 1px solid var(--line); padding-left: 28px; }
#next-snow { font-size: 15px; font-weight: 600; }
#snow-windows { list-style: none; padding: 0; margin: 12px 0 0; font-size: 12px; }
#snow-windows li { padding: 9px 0; border-top: 1px solid var(--line); }
.window-range { display: block; color: var(--muted); }
.methodology-panel { padding: 2px 24px; }
.methodology-panel > details > summary { padding-top: 18px; padding-bottom: 18px; }
.methodology-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 36px; padding: 10px 0 22px; font-size: 12px; }
.methodology-grid h3 { font-size: 14px; margin-bottom: 10px; }
.methodology-grid p + p { margin-top: 9px; }
.sources-heading { margin-top: 18px; }
#sources { list-style: none; padding: 0; margin: 0; }
#sources a { max-width: 100%; display: inline-flex; align-items: center; min-height: 44px; overflow-wrap: anywhere; }
#report-stations { margin: 14px 0; }
.station { border-top: 1px solid var(--line); padding: 9px 0; }
.station-name { font-weight: 600; font-size: 12px; }
.station-values { color: var(--muted); margin-top: 2px; }
.warnings { font-size: 12px; color: #705426; padding-left: 20px; margin: 0 0 20px; overflow-wrap: anywhere; }
.page-footer { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); max-width: 980px; }
.page-footer strong { color: var(--ink); }
.page-footer nav { display: flex; flex-wrap: wrap; gap: 4px 24px; margin: 6px 0; }
.page-footer nav a { display: inline-flex; align-items: center; min-height: 44px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: 8px; left: 8px; transform: translateY(-180%); z-index: 5; padding: 12px 18px; background: var(--surface); border: 1px solid var(--accent); border-radius: 5px; }
.skip-link:focus { transform: none; }
.noscript-message { padding: 20px; margin: 20px; border: 1px solid var(--danger); }
@media (max-width: 1200px) {
  .toolbar-note { display: none; }
  .overview-grid { grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr); gap: 18px; }
  .panel, .camera-panel { padding: 20px; }
  .stat { padding: 18px; }
  .stat-value { font-size: 25px; }
  .day-tabs { grid-template-columns: repeat(7, minmax(80px, 1fr)); }
  .table-hint { display: block; }
  .methodology-panel { padding: 2px 20px; }
}
@media (max-width: 960px) {
  .workspace { padding: 0 24px; }
  .page-header { padding: 24px; }
  .overview-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .camera-panel { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 0 24px; align-items: start; }
  .camera-panel .panel-heading { grid-column: 1 / -1; }
  .camera-visual { grid-column: 1; grid-row: 2 / 7; margin-top: 6px; }
  .camera-caption, #camera-status, .camera-actions, .camera-panel > .source-link { grid-column: 2; }
  #camera-player { grid-column: 1 / -1; }
  .camera-actions { margin-top: 12px; }
  .day-tabs { grid-template-columns: repeat(7, minmax(84px, 1fr)); }
  .stat .eyebrow { font-size: 10px; }
  .stat-value { font-size: 23px; }
  .day-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
}
@media (max-width: 680px) {
  .monitor-toolbar { align-items: start; flex-direction: column; gap: 8px; }
  .stat-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .synthesis-grid, .methodology-grid { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .snow-window { border-left: 0; border-top: 1px solid var(--line); padding: 18px 0 0; }
  .camera-panel { display: block; }
  .camera-visual { margin-top: 18px; }
  .header-actions { gap: 10px; }
}
@media (max-width: 540px) {
  .workspace { padding: 0 12px; margin-bottom: 20px; }
  .page-header { padding: 20px 16px; align-items: start; gap: 14px; }
  .brand-name { font-size: 25px; }
  .brand .eyebrow { font-size: 9px; letter-spacing: .8px; }
  .header-actions { flex-direction: column; align-items: end; gap: 8px; }
  .update-status { font-size: 11px; }
  .update-status > .help { font-size: 10px; }
  .header-actions button { padding: 9px 12px; font-size: 12px; }
  .elevation-control { width: 100%; justify-content: space-between; gap: 8px; }
  .elevation-control label { font-size: 12px; }
  .elevation-control select { max-width: 58%; padding-right: 18px; }
  .stat-strip { margin-bottom: 18px; }
  .stat { padding: 16px 12px; }
  .stat .eyebrow { font-size: 9px; letter-spacing: .4px; }
  .stat-value { font-size: 25px; }
  .stat .help { font-size: 11px; }
  .panel, .camera-panel { padding: 20px 16px; }
  h2 { font-size: 20px; }
  .panel-heading { align-items: start; gap: 10px; }
  .panel-heading > .help { text-align: right; max-width: 120px; }
  .overview-grid, .day-detail, .synthesis-panel, .comparison-panel { margin-bottom: 18px; }
  .empty-state { padding: 44px 0; }
  .chart-legend { gap: 10px; font-size: 10px; }
  .chart-legend > .help { font-size: 10px; }
  .day-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .day-metrics dd { font-size: 16px; }
  .day-detail { border-top-width: 2px; }
  .methodology-panel { padding: 2px 16px; }
  .page-footer { margin-top: 20px; }
  td { padding-top: 12px; padding-bottom: 12px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }