:root {
  --bg: #f6f7f9; --surface: #ffffff; --fg: #1b1f24; --mute: #616b76; --line: #d8dee4;
  --accent: #2263d6; --warn: #b42318; --shadow: 0 2px 10px rgba(16, 24, 32, .18);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14181d; --surface: #1c2229; --fg: #e6e9ed; --mute: #98a2ae; --line: #323a43;
    --accent: #6ea1ff; --warn: #ff8a80; --shadow: 0 2px 12px rgba(0, 0, 0, .5); }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 14px/1.5 system-ui, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  display: grid; grid-template-rows: auto auto minmax(0, 1fr) auto auto; height: 100dvh;
}
a { color: var(--accent); }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }

/* ---- ヘッダー ---- */
.top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; padding: 8px 16px; background: var(--surface); border-bottom: 1px solid var(--line); }
.brand h1 { margin: 0; font-size: 18px; line-height: 1.2; }
.tagline { color: var(--mute); font-size: 12px; }
.obs { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; }
.obs .label { color: var(--mute); font-size: 12px; }
.obs-time { font-size: 20px; font-variant-numeric: tabular-nums; }
.obs-time small { font-size: 12px; font-weight: 400; color: var(--mute); margin-left: 4px; }
.timenav { display: inline-flex; gap: 4px; }
.timenav button { padding: 2px 8px; font-size: 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
.timenav button:disabled { opacity: .45; cursor: default; }
.badge-past { margin-left: 8px; padding: 1px 8px; font-size: 12px; font-weight: 600; color: #fff; background: #b45309; border-radius: 999px; vertical-align: 3px; }
.meta { color: var(--mute); font-size: 12px; font-variant-numeric: tabular-nums; }
.meta .err { color: var(--warn); font-weight: 600; }
.tools { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-left: auto; }
.tools select { width: 150px; padding: 5px 6px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
.tools select:disabled { opacity: .55; }
.tools button, .chips button { white-space: nowrap; padding: 4px 10px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
.chips { display: inline-flex; flex-wrap: wrap; gap: 4px; }
.chips button { padding: 3px 8px; font-size: 12px; }
.tools button:hover, .chips button:hover, .timenav button:hover:not(:disabled) { border-color: var(--accent); }
.auto { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- 表示方式タブ ---- */
.views { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 16px; padding: 6px 16px; background: var(--surface); border-bottom: 1px solid var(--line); }
body > * { min-width: 0; } /* グリッドの子が中身に押し広げられて、画面が横にはみ出さないように */
.tabs { display: flex; gap: 4px; max-width: 100%; overflow-x: auto; padding-bottom: 2px; -webkit-overflow-scrolling: touch; }
.tabs button { flex: none; white-space: nowrap; }
.tabs button { padding: 4px 12px; background: transparent; border: 1px solid var(--line); border-radius: 999px; }
.tabs button[aria-selected=true] { background: var(--accent); border-color: var(--accent); color: #fff; }
.view-desc { margin: 0; color: var(--mute); font-size: 12.5px; flex: 1 1 320px; }

/* ---- 地図まわり ---- */
.stage { position: relative; min-height: 0; }
#map { position: absolute; inset: 0; }
/* 地図の操作ボタン（＋－など）は、deck.gl の描画キャンバス（同じ左上の枠の中にある）より前に出す */
.maplibregl-ctrl-top-left .maplibregl-ctrl { position: relative; z-index: 5; }
.card, .panel, .banner { position: absolute; z-index: 2; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); }
.dock { position: absolute; z-index: 2; left: 56px; top: 12px; max-height: calc(100% - 48px); display: flex; flex-direction: column; align-items: flex-start; gap: 8px; width: 270px; max-width: calc(100% - 68px); overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; touch-action: pan-y; }
.dock .card { width: 100%; }
.dock .card { position: static; flex: none; padding: 6px 10px; font-size: 12.5px; }
.dock .card[hidden] { display: none; }
.card summary { cursor: pointer; font-weight: 600; }
.edge-bars { position: absolute; z-index: 3; left: 8px; top: 112px; bottom: 44px; max-height: 260px; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.edge-bars[hidden] { display: none; }
.eb { display: flex; flex-direction: column; align-items: flex-start; min-height: 0; flex: 1; }
.eb-unit { font-size: 10px; color: var(--mute); background: var(--surface); border-radius: 3px; padding: 0 3px; margin-bottom: 2px; line-height: 1.3; }
.eb-track { position: relative; width: 8px; flex: 1; min-height: 0; }
.eb-fill { position: absolute; inset: 0; border-radius: 3px; border: 1px solid rgba(0,0,0,.35); box-shadow: 0 0 0 1px rgba(255,255,255,.7); }
.eb-tick { position: absolute; left: 12px; transform: translateY(50%); font-size: 10px; line-height: 1; color: #1b1f24; background: rgba(255,255,255,.8); border-radius: 2px; padding: 1px 2px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.grad-box { margin: 8px 0 4px; }
.grad-box .legend-title { margin: 0 0 4px; }
.grad { height: 12px; border-radius: 3px; border: 1px solid var(--line); }
.grad-ticks { display: flex; justify-content: space-between; margin-top: 2px; font-size: 11px; color: var(--mute); font-variant-numeric: tabular-nums; }
.legend-title { margin: 6px 0 0; color: var(--mute); font-size: 12px; }
.card ul { list-style: none; margin: 6px 0 2px; padding: 0; display: grid; gap: 3px; }
.card li { display: grid; grid-template-columns: 14px 1fr auto; gap: 8px; align-items: center; }
.card .dot { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid #fff; box-shadow: 0 0 0 1px var(--line); }
.card .dot.ring { background: transparent !important; border: 2px solid; box-shadow: none; }
.card .n { color: var(--mute); font-variant-numeric: tabular-nums; }
.ctl { display: grid; gap: 2px; margin: 8px 0; }
.ctl label { color: var(--mute); font-size: 12px; display: flex; justify-content: space-between; }
.ctl select { width: 100%; padding: 3px 6px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
.ctl input[type=range] { width: 100%; }
.ctl .out { color: var(--fg); font-variant-numeric: tabular-nums; }
.viewpoint { display: flex; gap: 4px; align-items: center; margin: 8px 0 4px; }
.viewpoint span { color: var(--mute); font-size: 12px; margin-right: 2px; }
.viewpoint button { padding: 2px 8px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; font-size: 12px; }
.ctl-hint { margin: 4px 0 2px; color: var(--mute); font-size: 11.5px; }
.banner { left: 50%; top: 12px; transform: translateX(-50%); padding: 8px 14px; color: var(--warn); font-weight: 600; max-width: calc(100% - 24px); }
.banner[hidden] { display: none; }
.banner button { margin-left: 10px; padding: 2px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); }

/* ---- 観測地点パネル ---- */
.panel { right: 12px; top: 12px; width: 330px; max-height: calc(100% - 48px); overflow: auto; padding: 12px 14px; }
.panel.is-empty { padding: 10px 14px; }
.panel.is-empty:not(.is-min) { display: flex; gap: 8px; align-items: flex-start; }
.panel.is-min { padding: 4px 8px; width: auto; }
.hint-btn { border: 0; background: transparent; color: var(--mute); font-size: 13px; padding: 2px 4px; cursor: pointer; }
.hint-min { font-size: 18px; line-height: 1; flex: none; }
.panel-hint { margin: 0; color: var(--mute); font-size: 13px; }
.panel-head { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.panel h2 { margin: 0; font-size: 20px; line-height: 1.25; }
.panel .sub { margin: 0; color: var(--mute); font-size: 12px; }
.panel .close { border: 0; background: transparent; font-size: 22px; line-height: 1; padding: 0 4px; color: var(--mute); }
.facts { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 10px 0 8px; font-variant-numeric: tabular-nums; }
.facts dt { color: var(--mute); }
.facts dd { margin: 0; }
.facts .dm { display: block; color: var(--mute); font-size: 12px; }
.charts { margin: 6px 0 4px; }
.charts-title { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 8px 0 2px; }
.charts-title h3 { margin: 0; font-size: 12.5px; color: var(--mute); }
.range { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.range-btn { padding: 2px 8px; font-size: 12px; background: var(--bg); border: 0; border-left: 1px solid var(--line); color: var(--fg); }
.range-btn:first-child { border-left: 0; }
.range-btn[aria-pressed="true"] { background: var(--accent); color: #fff; }
.charts-sub { margin: 0 0 2px; font-size: 11.5px; color: var(--mute); }
.charts-msg { margin: 6px 0; color: var(--mute); font-size: 12px; }
.chart { margin: 6px 0 10px; }
.chart figcaption { display: flex; justify-content: space-between; align-items: baseline; font-size: 12px; color: var(--mute); }
.chart figcaption b { color: var(--fg); font-variant-numeric: tabular-nums; }
.ch-row { display: flex; align-items: flex-start; }
.ch-axis { flex: none; display: block; }
.ch-scroll { flex: 1 1 auto; min-width: 0; overflow-x: auto; overscroll-behavior-x: contain; }
.ch-svg { display: block; max-width: none; }
.ch-fit { overflow: hidden; }
.ch-fit .ch-svg { width: 100%; height: auto; max-width: 100%; }
.ch-day { font-weight: 700; }
.ch-grid { stroke: var(--line); stroke-width: 1; }
.ch-tick { fill: var(--mute); font-size: 9.5px; font-variant-numeric: tabular-nums; }
.ch-bar:hover, .ch-dot:hover { opacity: .75; }
.summary { margin: 8px 0; padding: 6px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.group h3 { display: flex; justify-content: space-between; margin: 10px 0 2px; font-size: 12.5px; color: var(--mute); }
.group .count { font-weight: 400; font-variant-numeric: tabular-nums; }
.group table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.group th { text-align: left; font-weight: 400; padding: 2px 0; }
.group td { text-align: right; padding: 2px 0; font-weight: 600; }
.group tr.na th, .group tr.na td { color: var(--mute); font-weight: 400; }
.group .flag { margin-left: 6px; padding: 0 5px; font-size: 11px; font-weight: 400; color: var(--warn); border: 1px solid currentColor; border-radius: 4px; }
.highlight { display: grid; gap: 0; margin: 10px 0 4px; padding: 8px 10px; background: color-mix(in srgb, var(--accent) 10%, transparent); border-radius: 8px; }
.highlight .hl-label { color: var(--mute); font-size: 12px; }
.highlight .hl-value { font-size: 26px; line-height: 1.2; font-variant-numeric: tabular-nums; }
.highlight .hl-time { color: var(--mute); font-size: 12px; }
.highlight .hl-rows { list-style: none; margin: 6px 0 0; padding: 6px 0 0; border-top: 1px solid var(--line); display: grid; gap: 2px; font-size: 12px; }
.highlight .hl-rows li { display: flex; justify-content: space-between; gap: 8px; }
.highlight .hl-rows .k { color: var(--mute); }
.highlight .hl-rows .v { text-align: right; font-variant-numeric: tabular-nums; }
.highlight .hl-note { color: var(--warn); font-size: 12px; margin-top: 2px; }
.panel .note { margin: 12px 0 0; color: var(--mute); font-size: 12px; }

/* ---- 時刻バー ---- */
.timebar { padding: 8px 16px 6px; background: var(--surface); border-top: 1px solid var(--line); }
.timebar.is-disabled { opacity: .5; pointer-events: none; }
.tb-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; }
.tb-opts { margin-top: 4px; font-size: 12.5px; }
.tb-play { min-width: 104px; padding: 6px 12px; font-weight: 600; background: var(--accent); color: #fff; border: 0; border-radius: 6px; }
.tb-play[aria-pressed=true] { background: #b45309; }
.tb-slider { position: relative; flex: 1 1 320px; min-width: 200px; padding-bottom: 20px; }
.tb-slider input[type=range] { width: 100%; margin: 6px 0 0; }
.tb-ticks { position: absolute; left: 0; right: 0; bottom: 0; height: 16px; font-size: 11px; color: var(--mute); }
.tb-ticks span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.tb-ticks span:first-child { transform: translateX(-100%); } /* 「現在」＝右端 */
.tb-ticks span:last-child { transform: translateX(0); } /* 最も過去＝左端 */
.tb-when { display: flex; flex-direction: column; min-width: 150px; line-height: 1.25; }
.tb-label { font-size: 16px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tb-ago { font-size: 12px; color: var(--mute); }
.tb-status { font-size: 12px; color: var(--accent); min-height: 1em; }
.tb-more { display: none; padding: 4px 10px; font-size: 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
.tb-quick { display: inline-flex; flex-wrap: wrap; gap: 4px; }
.tb-quick button { padding: 2px 8px; font-size: 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 999px; }
.tb-quick button.is-current { background: var(--accent); border-color: var(--accent); color: #fff; }
.tb-field { display: inline-flex; align-items: center; gap: 4px; color: var(--mute); }
.tb-field select { padding: 2px 4px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; color: var(--fg); }
.tb-check { display: inline-flex; align-items: center; gap: 4px; }
.foot { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 2px 10px; padding: 4px 12px; font-size: 11.5px; color: var(--mute); background: var(--surface); border-top: 1px solid var(--line); }
.foot-short { flex: 1 1 auto; min-width: 0; }
.foot-btn { flex: none; padding: 2px 10px; font-size: 11.5px; background: var(--bg); border: 1px solid var(--line); border-radius: 999px; }
.foot-btn[aria-expanded=true] { background: var(--accent); border-color: var(--accent); color: #fff; }
.credit-full { position: absolute; z-index: 20; left: 8px; right: 8px; bottom: calc(100% + 6px); max-width: 620px; padding: 10px 14px; font-size: 13px; line-height: 1.6; color: var(--fg); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); }
.credit-full[hidden] { display: none; }
.credit-full p { margin: 0 0 6px; }
.credit-full p:last-child { margin: 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px; }
.foot-close { padding: 2px 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }

/* deck.gl のツールチップ（配色はライト/ダーク共通の濃色） */
.deck-tooltip { background: #1b1f24 !important; color: #fff !important; }

@media (max-width: 720px) {
  .timebar { padding: 6px 12px 4px; }
  .tb-play { min-width: 84px; padding: 5px 8px; }
  .tb-slider { order: 3; flex: 1 1 100%; padding-bottom: 18px; }
  .tb-when { order: 2; flex: 1 1 0; min-width: 0; flex-direction: row; flex-wrap: wrap; align-items: baseline; gap: 0 8px; }
  .tb-label { font-size: 14px; }
  .tb-more { display: inline-flex; order: 2; }
  .tb-opts { display: none; }
  .timebar.opts-open .tb-opts { display: flex; }
  .top { gap: 4px 12px; padding: 6px 12px; }
  .tagline, .chips, .view-desc { display: none; }
  .timenav button { padding: 2px 6px; }
  .obs-time { font-size: 18px; }
  .tools { margin-left: 0; width: 100%; flex-wrap: nowrap; }
  .tools select { flex: 1 1 0; min-width: 0; width: auto; }
  .views { padding: 4px 12px; }
  .panel { left: 0; right: 0; top: auto; bottom: 0; width: auto; max-height: 46%; border-radius: 12px 12px 0 0; }
  .panel.is-min { left: auto; right: 8px; bottom: 8px; border-radius: 16px; }
  .dock { width: 240px; max-height: 65%; }
}