/* 東京終電図 — 都営地下鉄のインフォグラフィックを下敷きにした UI */
:root {
  --bg: #F2F2EE;
  --card: #FFFFFF;
  --card-2: #F7F7F4;
  --ink: #2D2D2D;
  --ink-2: #5E6166;
  --ink-3: #8C9096;
  --rule: #E3E3DE;
  --dead: #C9CBCF;
  --hi: #2D2D2D;
  --shadow: 0 1px 2px rgba(20, 22, 28, .05), 0 10px 30px rgba(20, 22, 28, .10);
  --radius: 18px;
  --gap: 16px;
  --jp: "Noto Sans JP", system-ui, sans-serif;
  --num: "Inter Tight", "Noto Sans JP", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: light;
}
:root.is-night {
  --bg: #0B1120;
  --card: #151C2D;
  --card-2: #1B2438;
  --ink: #EEF1F6;
  --ink-2: #AEB6C4;
  --ink-3: #7D8698;
  --rule: #263049;
  --dead: #3A4357;
  --hi: #FFFFFF;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 14px 40px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--jp);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background-color .8s var(--ease), color .6s var(--ease);
}
button { font: inherit; color: inherit; }
button:focus-visible, input:focus-visible, [tabindex]:focus-visible { outline: 3px solid #2F7DF6; outline-offset: 2px; }

#stage { position: fixed; inset: 0; }
#stage canvas { display: block; touch-action: none; }
#labels { position: fixed !important; inset: 0; pointer-events: none; z-index: 1; }
#stage { z-index: 0; }

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: background-color .6s var(--ease), box-shadow .6s var(--ease);
}

/* ---------- タイトル ---------- */
.brand {
  position: fixed; top: var(--gap); left: var(--gap);
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px 14px 14px;
  z-index: 5;
}
.brand-mark { width: 46px; height: 46px; color: var(--ink); flex: none; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-mark text { font: 900 19px var(--jp); fill: currentColor; }
.brand h1 { margin: 0; font-size: 22px; font-weight: 900; letter-spacing: .12em; line-height: 1.15; }
.brand-en { margin: 2px 0 0; font: 700 10.5px var(--num); letter-spacing: .28em; color: var(--ink-3); }
.brand-count { margin: 0 0 0 10px; padding-left: 16px; border-left: 1px solid var(--rule); display: grid; grid-template-columns: auto auto; column-gap: 5px; align-items: baseline; font-size: 11px; color: var(--ink-3); line-height: 1.35; }
.brand-count b { font: 800 17px var(--num); color: var(--ink); text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- 右上 ---------- */
.controls {
  position: fixed; top: var(--gap); right: var(--gap);
  display: flex; gap: 10px; align-items: center; z-index: 5;
}
.seg { display: flex; padding: 5px; gap: 2px; border-radius: 999px; }
.seg button, .sort button {
  border: 0; background: transparent; cursor: pointer;
  padding: 8px 15px; border-radius: 999px;
  font-weight: 700; font-size: 13px; color: var(--ink-2);
  transition: background-color .25s, color .25s;
  white-space: nowrap;
}
.seg button:hover, .sort button:hover { color: var(--ink); }
.seg button[aria-pressed="true"], .sort button[aria-pressed="true"] { background: var(--ink); color: var(--card); }
.icon-btn { width: 46px; height: 46px; border: 0; border-radius: 999px; display: grid; place-items: center; cursor: pointer; color: var(--ink); }
.icon-btn svg { width: 22px; height: 22px; }

/* ---------- パネル ---------- */
.panel {
  position: fixed; z-index: 4;
  display: flex; flex-direction: column;
  overflow: hidden;
}
#listPanel { top: 104px; left: var(--gap); bottom: 132px; width: 344px; }
.panel-head { padding: 16px 16px 12px; border-bottom: 1px solid var(--rule); display: grid; gap: 12px; }
.panel-body { overflow-y: auto; overscroll-behavior: contain; flex: 1; min-height: 0; scrollbar-width: thin; }
.search { display: flex; align-items: center; gap: 8px; background: var(--card-2); border-radius: 12px; padding: 0 12px; color: var(--ink-3); }
.search svg { width: 18px; height: 18px; flex: none; }
.search input { flex: 1; border: 0; background: transparent; padding: 11px 0; font: 500 14px var(--jp); color: var(--ink); min-width: 0; }
.search input:focus { outline: none; }
.search:focus-within { box-shadow: 0 0 0 2px var(--ink) inset; }
.sort { display: flex; flex-wrap: wrap; gap: 4px; }
.sort button { padding: 6px 11px; font-size: 12px; background: var(--card-2); }

.group-head {
  position: sticky; top: 0; z-index: 1;
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px 8px;
  background: var(--card);
  font-size: 11.5px; font-weight: 700; letter-spacing: .12em; color: var(--ink-3);
}
.group-head::after { content: ""; flex: 1; height: 1px; background: var(--rule); }

.row {
  display: grid; grid-template-columns: 40px 1fr auto; gap: 12px; align-items: center;
  width: 100%; border: 0; background: transparent; text-align: left; cursor: pointer;
  padding: 10px 18px; position: relative;
}
.row:hover { background: var(--card-2); }
.row[aria-current="true"] { background: var(--card-2); }
.row[aria-current="true"]::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 4px; border-radius: 0 4px 4px 0; background: var(--lc); }
.row-name { display: block; font-weight: 700; font-size: 14px; line-height: 1.35; }
.row-sub { display: block; font-size: 11.5px; color: var(--ink-3); margin-top: 1px; }
.row-time { text-align: right; line-height: 1.2; }
.row-time b { display: block; font: 700 19px var(--num); font-variant-numeric: tabular-nums; letter-spacing: .01em; }
.row-time span { font-size: 11px; font-weight: 700; color: var(--ink-3); white-space: nowrap; }
.row.is-over .row-name, .row.is-over .row-time b { color: var(--ink-3); }
.row .status-soon { color: #E0533F; }
.row .status-run { color: #1E9E6A; }
.row-bar { grid-column: 2 / 4; height: 3px; border-radius: 3px; background: var(--rule); overflow: hidden; margin-top: -2px; }
.row-bar i { display: block; height: 100%; background: var(--lc); border-radius: 3px; transition: width .3s linear; }
.row.is-over .row-bar i { background: var(--dead); }

/* 路線記号（都営・メトロは丸、JRは角丸四角） */
.badge {
  --lc: #888;
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 5px solid var(--lc);
  background: #fff;
  color: #2D2D2D;
  font: 800 13px var(--num);
  letter-spacing: -.02em;
  line-height: 1;
}
.badge.sq { border-radius: 9px; }
.badge.none { font-size: 10px; font-family: var(--jp); font-weight: 900; }
.badge.lg { width: 58px; height: 58px; border-width: 7px; font-size: 20px; }
.badge.lg.sq { border-radius: 13px; }
.badge.sm { width: 28px; height: 28px; border-width: 4px; font-size: 10px; }
.is-over .badge { filter: grayscale(1); opacity: .55; }

/* ---------- 詳細 ---------- */
.detail { top: 104px; right: var(--gap); bottom: 132px; width: 392px; }
.detail[hidden] { display: none; }
.close { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border: 0; border-radius: 50%; background: var(--card-2); display: grid; place-items: center; cursor: pointer; z-index: 2; }
.close svg { width: 18px; height: 18px; }
.d-top { flex: none; border-bottom: 1px solid var(--rule); }
.d-top .d-op { padding-bottom: 14px; }
.d-band { height: 8px; background: var(--lc); }
.meta details { margin-top: 4px; }
.meta summary { cursor: pointer; font-weight: 700; color: var(--ink-2); }
.meta .src { margin-top: 8px; display: grid; gap: 4px; }
.d-head { display: flex; gap: 14px; align-items: center; padding: 20px 60px 8px 22px; }
.d-name { margin: 0; font-size: 22px; font-weight: 900; line-height: 1.25; letter-spacing: .04em; }
.d-en { margin: 3px 0 0; font: 600 11.5px var(--num); letter-spacing: .14em; color: var(--ink-3); text-transform: uppercase; }
.d-op { padding: 0 22px 16px; font-size: 12px; color: var(--ink-2); font-weight: 700; }
.d-sec { padding: 18px 22px; border-top: 1px solid var(--rule); }
.d-sec h3 { margin: 0 0 12px; font-size: 12px; letter-spacing: .14em; color: var(--ink-3); font-weight: 700; }
.dir { border-radius: 14px; background: var(--card-2); padding: 14px 16px; margin-bottom: 12px; }
.dir-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.dir-head b { font-size: 15px; font-weight: 900; }
.dir-head span { font-size: 12px; color: var(--ink-2); text-align: right; }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: baseline; padding: 8px 0; border-top: 1px dashed var(--rule); }
.kv:first-of-type { border-top: 0; }
.kv-st { font-weight: 700; font-size: 14px; }
.kv-st small { font-weight: 500; color: var(--ink-3); margin-left: 4px; font-size: 11px; }
.kv-time { font: 800 26px var(--num); font-variant-numeric: tabular-nums; line-height: 1; letter-spacing: -.01em; }
.kv-dest { grid-column: 1 / 3; font-size: 12px; color: var(--ink-2); }
.kv-dest b { color: var(--ink); }
.kv.is-over .kv-time { color: var(--ink-3); text-decoration: line-through; text-decoration-thickness: 2px; }
.kv-through { grid-column: 1 / 3; font-size: 11.5px; color: var(--ink-2); background: var(--card); border-radius: 8px; padding: 6px 9px; margin-top: 4px; }

/* 全駅の縦路線図（都営） */
.strip { position: relative; }
.strip-head { display: grid; grid-template-columns: 1fr 64px 64px; gap: 6px; font-size: 11px; color: var(--ink-3); font-weight: 700; padding: 0 0 6px 40px; }
.strip-head span { text-align: right; }
.st-row { display: grid; grid-template-columns: 30px 1fr 64px 64px; gap: 6px; align-items: center; min-height: 40px; position: relative; }
.st-row::before { content: ""; position: absolute; left: 11px; top: 0; bottom: 0; width: 8px; background: var(--lc); }
.st-row:first-child::before { top: 50%; }
.st-row:last-child::before { bottom: 50%; }
.st-dot { width: 20px; height: 20px; margin-left: 5px; border-radius: 50%; background: #fff; border: 3px solid #2D2D2D; position: relative; z-index: 1; }
.st-name { font-size: 13.5px; font-weight: 700; line-height: 1.3; padding-left: 8px; }
.st-name small { display: inline-block; font: 700 10px var(--num); color: var(--ink-3); margin-right: 5px; vertical-align: 1px; }
.st-t { text-align: right; font: 700 15px var(--num); font-variant-numeric: tabular-nums; }
.st-t small { display: block; font: 500 10px var(--jp); color: var(--ink-3); white-space: nowrap; }
.st-t.is-over { color: var(--ink-3); }
.st-t.is-none { color: var(--ink-3); font-weight: 500; }
.st-row.is-key .st-dot { border-width: 4px; }
.st-row.is-hl { background: linear-gradient(90deg, transparent 30px, var(--card-2) 30px); border-radius: 8px; }

.meta { font-size: 12px; color: var(--ink-2); display: grid; gap: 6px; }
.meta a { color: inherit; word-break: break-all; }
.chip { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; background: var(--card-2); color: var(--ink-2); }

/* 駅カード */
.sta-lines { display: grid; gap: 10px; }
.sta-line { display: grid; grid-template-columns: 30px 1fr; gap: 10px; align-items: start; background: var(--card-2); border-radius: 12px; padding: 12px; cursor: pointer; border: 0; text-align: left; width: 100%; }
.sta-line:hover { box-shadow: 0 0 0 2px var(--lc) inset; }
.sta-line .ln { font-weight: 800; font-size: 13.5px; margin-bottom: 4px; }
.sta-dir { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--ink-2); padding: 3px 0; }
.sta-dir b { font: 800 16px var(--num); color: var(--ink); font-variant-numeric: tabular-nums; }
.sta-dir.is-over b { color: var(--ink-3); text-decoration: line-through; }

/* ---------- 時刻バー ---------- */
.timebar {
  position: fixed; left: var(--gap); right: var(--gap); bottom: var(--gap);
  height: 100px; z-index: 6;
  display: grid; grid-template-columns: 196px 1fr auto; align-items: center; gap: 22px;
  padding: 0 22px;
  border-radius: 24px;
}
.row-name, .d-name, .kv-dest, .track-status, .st-name, .sta-line .ln, .tip-h, .dir-head span { word-break: keep-all; overflow-wrap: anywhere; line-break: strict; }
.clock-label { white-space: nowrap; margin: 0; font-size: 11px; font-weight: 700; letter-spacing: .14em; color: var(--ink-3); }
.clock-time { margin: 0; font: 800 50px var(--num); letter-spacing: -.02em; line-height: 1; font-variant-numeric: tabular-nums; }
.track-wrap { display: grid; gap: 4px; }
.track { position: relative; height: 50px; cursor: pointer; touch-action: none; }
.track-band { position: absolute; left: 0; right: 0; top: 12px; height: 12px; border-radius: 12px; background: var(--dead); overflow: hidden; }
.track-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--ink); }
.track-ticks { position: absolute; inset: 0; }
.tick { position: absolute; top: 9px; transform: translateX(-50%); }
.tick i { display: block; width: 12px; height: 12px; margin: 3px auto 0; border-radius: 50%; background: var(--card); border: 3px solid var(--ink); box-sizing: content-box; }
.tick.minor i { width: 4px; height: 4px; border: 0; margin-top: 7px; background: var(--card); opacity: .9; }
.tick span { display: block; margin-top: 7px; font: 700 11px var(--num); color: var(--ink-2); white-space: nowrap; text-align: center; }
.track-knob {
  position: absolute; top: 2px; width: 32px; height: 32px; transform: translateX(-50%);
  border-radius: 50%; background: var(--card); border: 6px solid #E0533F; box-shadow: 0 2px 10px rgba(0,0,0,.25); cursor: grab;
}
.track-knob:active { cursor: grabbing; }
.track-status { margin: 0; font-size: 12.5px; color: var(--ink-2); font-weight: 500; min-height: 1.5em; }
.track-status b { color: var(--ink); }
.tb-buttons { display: flex; gap: 10px; align-items: center; }
.round { width: 52px; height: 52px; border-radius: 50%; border: 0; background: var(--ink); color: var(--card); display: grid; place-items: center; cursor: pointer; }
.round svg { width: 22px; height: 22px; }
.pill { height: 44px; padding: 0 18px; border-radius: 999px; border: 2px solid var(--ink); background: transparent; font-weight: 800; font-size: 13px; cursor: pointer; white-space: nowrap; }
.pill:hover { background: var(--ink); color: var(--card); }

/* ---------- ラベル（3D上） ---------- */
.lbl { pointer-events: none; transform: translate(-50%, -100%); white-space: nowrap; text-align: center; transition: opacity .3s; }
.lbl-st { background: var(--card); color: var(--ink); border-radius: 7px; padding: 3px 8px 3px; box-shadow: 0 1px 6px rgba(0,0,0,.12); font-weight: 900; font-size: 12px; line-height: 1.2; margin-bottom: 8px; }
.lbl-st small { display: block; font: 700 8.5px var(--num); letter-spacing: .12em; color: var(--ink-3); text-transform: uppercase; }
.lbl-axis { font: 800 12px var(--num); color: var(--ink-2); transform: translate(8px, -50%); text-align: left; }
.lbl-axis.major { font-size: 15px; color: var(--ink); }
.lbl-floor { font-weight: 900; font-size: 13px; letter-spacing: .2em; color: var(--ink-2); transform: translate(0, -50%); text-align: left; }
.lbl-now { font: 800 12px var(--num); background: #E0533F; color: #fff; border-radius: 999px; padding: 3px 10px; transform: translate(-100%, -50%); }
.lbl-end { transform: translate(-50%, -50%); }

.tip {
  position: fixed; z-index: 20; pointer-events: none;
  background: var(--card); color: var(--ink); border-radius: 12px; box-shadow: var(--shadow);
  padding: 10px 13px; font-size: 12.5px; min-width: 190px; max-width: 280px;
  transform: translate(14px, 14px);
}
.tip-h { display: flex; align-items: center; gap: 9px; font-weight: 900; font-size: 14px; margin-bottom: 4px; }
.tip-r { display: flex; justify-content: space-between; gap: 12px; color: var(--ink-2); }
.tip-r b { font: 800 14px var(--num); color: var(--ink); font-variant-numeric: tabular-nums; }

.hint { position: fixed; left: 50%; bottom: calc(var(--tb, 100px) + var(--gap) * 2); transform: translateX(-50%); z-index: 7; margin: 0; max-width: min(560px, calc(100vw - 32px)); background: var(--ink); color: var(--card); border-radius: 999px; padding: 11px 20px; font-size: 13px; font-weight: 700; text-align: center; box-shadow: var(--shadow); transition: opacity .5s; word-break: keep-all; overflow-wrap: anywhere; }
.hint.is-out { opacity: 0; }
@media (max-width: 900px) { .hint { border-radius: 16px; bottom: calc(var(--tb, 170px) + var(--gap) * 2 + 56px); } }
.info { position: fixed; top: 76px; right: var(--gap); width: 380px; z-index: 12; padding: 22px 24px; max-height: calc(100vh - 220px); overflow-y: auto; }
.info h2 { margin: 0 0 12px; font-size: 16px; font-weight: 900; letter-spacing: .1em; }
.info ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; font-size: 13px; }
.credits { font-size: 11px; color: var(--ink-3); margin: 16px 0 0; line-height: 1.7; }
.note { font-size: 11.5px; color: #C2412F; margin: 10px 0 0; }

.loading { position: fixed; inset: 0; display: grid; place-content: center; gap: 14px; background: var(--bg); z-index: 50; transition: opacity .6s; text-align: center; }
.loading p { margin: 0; font-weight: 700; color: var(--ink-3); letter-spacing: .2em; font-size: 12px; }
.loading-line { width: 180px; height: 8px; border-radius: 8px; background: linear-gradient(90deg, #E85298, #0079C2, #6CBB5A, #B6007A, #FF9500, #009BBF, #00BB85); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scaleX(.6); opacity: .6; } }
.loading.is-done { opacity: 0; pointer-events: none; }

.sheet-toggle { display: none; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 1180px) {
  .seg button { padding: 8px 11px; }
  .brand-count { display: none; }
  #listPanel { width: 310px; }
  .detail { width: 350px; }
}
@media (max-width: 900px) {
  :root { --gap: 10px; }
  .brand { padding: 10px 14px 10px 10px; gap: 10px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand h1 { font-size: 17px; }
  .brand-en { font-size: 8.5px; letter-spacing: .2em; }
  .controls { top: auto; bottom: calc(var(--tb, 170px) + var(--gap) * 2); right: var(--gap); left: var(--gap); justify-content: flex-start; flex-wrap: wrap; gap: 8px; pointer-events: none; }
  .controls > * { pointer-events: auto; }
  .seg button { padding: 7px 11px; font-size: 12px; }
  .icon-btn { width: 40px; height: 40px; }
  #infoBtn, #themeBtn { position: fixed; top: var(--gap); }
  #infoBtn { right: var(--gap); }
  #themeBtn { right: calc(var(--gap) + 48px); }
  .timebar { height: auto; grid-template-columns: 1fr auto; grid-template-rows: auto auto; gap: 4px 14px; padding: 12px 16px 14px; bottom: var(--gap); border-radius: 20px; }
  .clock { display: grid; gap: 2px; }
  .clock-label { font-size: 10px; }
  .clock-time { font-size: 34px; }
  .track-wrap { grid-column: 1 / 3; grid-row: 2; }
  .tb-buttons { grid-column: 2; grid-row: 1; }
  .round { width: 44px; height: 44px; }
  .pill { height: 40px; padding: 0 14px; }
  .tick span { font-size: 10px; }
  .tick.hide-sm span { display: none; }
  #listPanel { top: auto; bottom: calc(var(--tb, 170px) + var(--gap) * 2); left: var(--gap); right: var(--gap); width: auto; height: 0; max-height: 58vh; overflow: visible; background: transparent; box-shadow: none; }
  #listPanel .panel-head, #listPanel .panel-body { display: none; }
  #listPanel.is-open { height: 58vh; background: var(--card); box-shadow: var(--shadow); overflow: hidden; z-index: 8; }
  #listPanel.is-open .panel-head, #listPanel.is-open .panel-body { display: grid; }
  #listPanel.is-open .panel-body { display: block; }
  .sheet-toggle { display: block; position: fixed; top: calc(var(--gap) + 66px); left: var(--gap); height: 40px; padding: 0 16px; border: 0; border-radius: 999px; background: var(--card); box-shadow: var(--shadow); font-weight: 800; font-size: 13px; cursor: pointer; }
  #listPanel.is-open .sheet-toggle { background: var(--ink); color: var(--card); }
  .detail { top: auto; left: var(--gap); right: var(--gap); bottom: calc(var(--tb, 170px) + var(--gap) * 2); width: auto; max-height: 50vh; z-index: 9; }
  .info { left: var(--gap); right: var(--gap); width: auto; top: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}
@media (max-width: 900px) {
  .detail .badge.lg { width: 44px; height: 44px; border-width: 6px; font-size: 16px; }
  .detail .d-head { padding: 14px 56px 4px 16px; gap: 10px; }
  .detail .d-name { font-size: 18px; }
  .detail .d-op { padding: 0 16px 10px; }
  .d-sec { padding: 14px 16px; }
}