/*
 * Palette unified with the portal's green + white brand theme: a light,
 * white-cased "device" look with a single teal-green MODE-button accent,
 * and a pale-green LCD panel with dark-green ink segments.
 */
:root {
  --bg: linear-gradient(to bottom, #ffffff 0%, #c4c4c4 100%);
  --panel: #ffffff;
  --panel-2: #eaf5f4;
  --border: rgba(62, 138, 136, 0.18);
  --text: #1a1a1a;
  --text-dim: #5c706f;
  --ink-dim: #5c706f;
  --accent: #3e8a88;
  --accent-dim: #cfe9e8;
  --accent-dark: #2c6462;
  --danger: #2c6462;
  --danger-dim: #eaf5f4;
  --lcd-bg: #eaf5f4;
  --lcd-ink: #2c6462;
  --lcd-ink-dim: #6b9c9a;
  --mono: "SF Mono", "Menlo", "Consolas", "Roboto Mono", monospace;

  /* A stopwatch duplicated while running becomes a "child" case, grouped
     under its parent. The parent's own case is now gray/black, so the
     child is marked instead with the portal's brand green (the same
     green as the "← ポータル" link) to stay clearly identifiable. */
  --child-accent: #3e8a88;
  --child-accent-dim: #eaf5f4;
  --child-panel: #ffffff;
  --child-panel-2: #eef1fa;
  --child-border: rgba(62, 138, 136, 0.25);

  /* TABATA: green = go hard, blue = recover — glanceable from a distance
     without reading the phase label, and kept clear of the work-phase green. */
  --tabata-rest: #3a6ea5;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink-dim);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

.app {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px;
  /* Clears the fixed lock toggle pinned at top-right, so it never overlaps
     the first stopwatch's action buttons (both are right-aligned). */
  padding-top: 44px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 100vh;
}
/* 点呼タブは「固定」ボタン自体を表示しないので、そのための上部余白は
   不要(他のタブと同じ通常のパディングに詰める)。 */
.app.no-lock-padding {
  padding-top: 16px;
}

.stopwatch-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* One parent stopwatch plus any children duplicated from it while running —
   stacked vertically, children below their parent. */
.family-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.family-group + .family-group {
  margin-top: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

/* 子(複製)は親と区別できるよう、少し幅を狭めて左にインデントし、
   親から縦線を引く(枝分かれしているように見せる)。 */
.family-children {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-left: 22px;
  padding-left: 16px;
}
.family-children::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--child-accent);
}
.family-children .stopwatch-card {
  position: relative;
}
.family-children .stopwatch-card::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 28px;
  width: 16px;
  height: 2px;
  background: var(--child-accent);
}

.stopwatch-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Children get their own blue palette (scoped via custom property
   overrides, so every descendant that reads var(--accent)/var(--panel)/etc.
   picks it up automatically), reading as distinct from their parent's page. */
.stopwatch-card.is-child {
  --accent: var(--child-accent);
  --accent-dim: var(--child-accent-dim);
  --danger: var(--child-accent);
  --panel: var(--child-panel);
  --panel-2: var(--child-panel-2);
  --border: var(--child-border);
}

/* 計測タブの(複製ではない)本体ストップウォッチだけ、実機のような
   白・黒・グレーだけの配色に統一する(緑のブランドカラーは使わない)。
   複製されたストップウォッチ(.is-child)は親と区別するための青のまま
   変更しない。 */
#timerTab .stopwatch-card:not(.is-child) {
  --panel: #b5b5b5;
  --panel-2: #e3e5e7;
  --accent: #3a3a3a;
  --accent-dim: #d6d8da;
  --accent-dark: #202020;
  --danger: #3a3a3a;
  --danger-dim: #e3e5e7;
  --lcd-bg: #c9cec3;
  --lcd-ink: #35362f;
  --lcd-ink-dim: #6d6f64;
}
/* 本体(実機)のような外枠を追加。 */
#timerTab .stopwatch-card:not(.is-child) .watch-body {
  border: 0.5mm solid #2f2f2f;
}
/* スタートボタン(計測中の「ストップ」表示時は除く)だけ添付画像の
   一番上の色に。ストップ表示時まで塗りつぶすと、暗い文字(--danger)が
   読めなくなるため、btn-primaryの時だけに限定する。 */
#timerTab .stopwatch-card:not(.is-child) .sw-toggle.btn-primary {
  background: #2f2f2f;
  border-color: #2f2f2f;
}
/* ウォッチ内部の区切り線の色も外枠と揃える。 */
#timerTab .stopwatch-card:not(.is-child) .split-columns {
  border-top-color: #2f2f2f;
}
/* リセットの上下の線(secondary-actions/records-panel)とAB間の
   縦線は、リセットボタン自体の明るい色に合わせる。 */
#timerTab .stopwatch-card:not(.is-child) .secondary-actions,
#timerTab .stopwatch-card:not(.is-child) .records-panel {
  border-top-color: rgba(255, 255, 255, 0.65);
}
#timerTab .stopwatch-card:not(.is-child) .records-col + .records-col {
  border-left-color: rgba(255, 255, 255, 0.65);
}
#timerTab .stopwatch-card:not(.is-child) .legend {
  color: #1a1a1a;
}
/* ケースが濃いグレーになった分、透明だったゴーストボタン(リセット/
   Excel保存)が背景に埋もれて見えなくなるので、視認できる背景・枠線を
   付ける。ゴーストボタンは:disabledでも読めるよう、通常の.btn:disabled
   の薄さ(opacity 0.35)を上書きしておく。 */
#timerTab .stopwatch-card:not(.is-child) .secondary-actions .btn-ghost {
  background: rgba(255, 255, 255, 0.65);
  border-color: rgba(255, 255, 255, 0.5);
  color: #1a1a1a;
}
#timerTab .stopwatch-card:not(.is-child) .secondary-actions .btn-ghost:disabled {
  opacity: 0.7;
}
/* watch-body(グレー地)に直接乗る文字(計測中...・記録見出し)は、
   共有変数の--text-dimを上書きすると記録一覧(明るい地)側が読めなく
   なるので、ここだけ個別に明るい色を指定する。 */
#timerTab .stopwatch-card:not(.is-child) .status,
#timerTab .stopwatch-card:not(.is-child) .records-header h2 {
  color: #f2f2f2;
}
/* ラップ記録は行ごとに背景の有無がまちまちだと(奇数行だけ.panel-2)、
   偶数行はグレーの地が直接透けて番号や合計タイムが読みにくくなるため、
   全行に同じ薄いグレーの背景を敷いて統一する。 */
#timerTab .stopwatch-card:not(.is-child) .record-row {
  background: var(--panel-2);
}

/* 子ストップウォッチも親と同じグレー系の配色・可読性の修正を適用する。
   ただし親と見分けられるよう、外枠・スタートボタン・LCDの区切り線・
   タグ等の「アイデンティティ」部分だけ元の青(--child-accent)を残す。 */
#timerTab .stopwatch-card.is-child {
  --panel: #b5b5b5;
  --panel-2: #e3e5e7;
  --accent-dim: var(--child-accent-dim);
  --lcd-bg: #c9cec3;
  --lcd-ink: #35362f;
  --lcd-ink-dim: #6d6f64;
}
#timerTab .stopwatch-card.is-child .watch-body {
  border: 0.5mm solid var(--child-accent);
}
#timerTab .stopwatch-card.is-child .sw-toggle.btn-primary {
  background: var(--child-accent);
  border-color: var(--child-accent);
}
#timerTab .stopwatch-card.is-child .split-columns {
  border-top-color: var(--child-accent);
}
#timerTab .stopwatch-card.is-child .secondary-actions,
#timerTab .stopwatch-card.is-child .records-panel {
  border-top-color: rgba(255, 255, 255, 0.65);
}
#timerTab .stopwatch-card.is-child .records-col + .records-col {
  border-left-color: rgba(255, 255, 255, 0.65);
}
#timerTab .stopwatch-card.is-child .legend {
  color: #1a1a1a;
}
#timerTab .stopwatch-card.is-child .secondary-actions .btn-ghost {
  background: rgba(255, 255, 255, 0.65);
  border-color: rgba(255, 255, 255, 0.5);
  color: #1a1a1a;
}
#timerTab .stopwatch-card.is-child .secondary-actions .btn-ghost:disabled {
  opacity: 0.7;
}
#timerTab .stopwatch-card.is-child .status,
#timerTab .stopwatch-card.is-child .records-header h2 {
  color: #f2f2f2;
}
#timerTab .stopwatch-card.is-child .record-row {
  background: var(--panel-2);
}

.sw-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sw-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: text;
  outline: none;
  border-radius: 3px;
  padding: 2px 4px;
  margin: -2px -4px;
  border-bottom: 1px dashed transparent;
}
.sw-label:hover {
  border-bottom-color: var(--accent);
}
.sw-label:focus {
  border-bottom-color: var(--accent);
  background: var(--panel-2);
}

.sw-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

/* sw-actions buttons sit directly on the white page, not inside the dark
   watch-body panel, so they need their own self-contained contrast. */
.sw-actions .btn {
  background: var(--panel-2);
  border-color: var(--border);
  color: var(--text);
}

/* The first stopwatch's row also carries the "全てExcel保存" button
   (4 buttons total instead of 3), so it needs tighter sizing to stay on
   one line even on narrow phones. */
.sw-actions:has(#exportAllBtn) {
  flex-wrap: nowrap;
  gap: 4px;
}
.sw-actions:has(#exportAllBtn) .btn {
  padding: 6px 8px;
  font-size: 11.5px;
}

/* Compound selector (not just .btn-sm) so this reliably beats the later,
   equal-specificity .btn rule's padding/font-size — same fix as .btn.btn-lap
   below. Previously .btn-sm's sizing was silently overridden and every
   btn-sm button rendered at the full base .btn size. */
.btn.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  min-width: 0;
  flex: 0 0 auto;
}

/* Watch face and lap memory fused into a single case, like the device itself. */
.watch-body {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  color: var(--text);
  overflow: hidden;
}

.timer-panel {
  padding: 24px 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* The whole LCD screen — main time plus the A/B live splits inside
   the same glass, like the multi-row display on the real device. */
.display-panel {
  width: 100%;
  background: var(--lcd-bg);
  color: var(--lcd-ink);
  border-radius: 10px;
  padding: 10px 12px 8px;
  box-shadow: inset 0 2px 6px rgba(44, 100, 98, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.display {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(44px, 11vw, 78px);
  font-weight: 700;
  letter-spacing: 1px;
  width: 100%;
  text-align: center;
  text-shadow: 0 0 1px rgba(44, 100, 98, 0.25);
}

/* Past 1 hour an "H:" (or "HH:") prefix is added, which would otherwise
   overflow the case on narrow phones at the base font size. */
.display.is-hours {
  font-size: clamp(34px, 9vw, 66px);
}
.display.is-long-hours {
  font-size: clamp(28px, 7.5vw, 56px);
}

/* A and B live splits side by side, each with that lane's latest
   completed record (across every stopwatch) stacked directly beneath
   it — all inside the same LCD glass as the main clock. */
.split-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
  padding-top: 6px;
  border-top: 0.5mm solid rgba(44, 100, 98, 0.15);
}

.split-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.split-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.split-tag {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  opacity: 0.7;
}

.split-time {
  font-size: 21px;
  font-weight: 700;
}

/* This lane's own latest completed lap. Stays visible (frozen) after
   Stop; only clears when Reset wipes the records. */
.latest-lane-list {
  width: 100%;
}

.latest-lane-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.latest-lane-row.is-placeholder {
  opacity: 0.4;
}

.latest-lane-lap {
  font-size: 19px;
  font-weight: 700;
  color: var(--lcd-ink);
}

.latest-lane-total {
  font-size: 19px;
  color: var(--lcd-ink-dim);
}

.split-item-a,
.split-item-b {
  color: var(--lcd-ink);
}

/* Slim full-width toggle on top, tall lap buttons below — keeps the
   accent-colored Start/Stop bar as thin as possible so the lap results below
   have as much room as possible. */
.controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.controls .sw-toggle {
  width: 100%;
  min-height: 64px;
  font-size: 16px;
}

.lap-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 0 -8px;
}

.btn.btn-lap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 136px;
  padding: 12px 4px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  /* lcd-bg was too close to the surrounding panel color to read as a
     button (see: user report of near-misses tapping the wrong one).
     panel-2 + a solid accent border gives it clear edges instead. */
  background: var(--panel-2);
  border: 2px solid var(--accent);
  color: var(--text);
}

/* Reset / CSV / spreadsheet always share a single row. */
.secondary-actions {
  display: flex;
  width: 100%;
  gap: 6px;
  border-top: 0.5mm solid var(--border);
  padding-top: 8px;
}
.secondary-actions .btn {
  flex: 1 1 auto;
  min-width: 0;
  padding: 8px 4px;
  font-size: 12px;
  line-height: 1.3;
  white-space: nowrap;
}

.btn {
  flex: 1 1 auto;
  min-width: 90px;
  padding: 14px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.05s ease, background 0.15s ease, opacity 0.15s ease, filter 0.05s ease;
}
/* .is-pressed is set on pointerdown (see app.js) rather than relying only on
   :active, since iOS Safari is unreliable about applying :active on a quick
   tap. A stronger scale/darken than a plain :active gives a clearer "pressed"
   feel to stand in for the haptic buzz iOS can't provide. */
.btn:active,
.btn.is-pressed {
  transform: scale(0.93);
  filter: brightness(0.85);
}
.btn:disabled { opacity: 0.35; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}
.btn-danger {
  background: var(--panel-2);
  border-color: var(--danger);
  color: var(--danger);
}
.btn-ghost {
  background: transparent;
  font-weight: 500;
  font-size: 13px;
  min-width: 0;
}

/* Fixed one-line height. Font shrunk so the longest message ("停止しま
   した。スタートで再開、リセットでクリアできます。") still fits on a
   single line instead of wrapping and growing the card. */
.status {
  font-size: 10px;
  line-height: 1.4;
  min-height: 1.4em;
  color: var(--text-dim);
  margin: 0;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.records-panel {
  border-top: 0.5mm solid var(--border);
  padding: 10px 12px 12px;
}

.records-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.records-header h2 {
  font-size: 14px;
  color: var(--text-dim);
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.count-badge {
  background: var(--panel-2);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 12px;
  color: var(--text);
}

.legend {
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* A and B laps side by side, each its own dense column. */
.records-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.records-col {
  min-width: 0;
}
.records-col + .records-col {
  border-left: 1px solid var(--border);
  padding-left: 10px;
}

/* Reveals laps older than the latest 5 shown by default. */
.records-more {
  width: 100%;
  margin-top: 6px;
  padding: 5px 6px;
  font-size: 11px;
}

.records-col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.col-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 2px 9px;
  border-radius: 5px;
}
.col-tag-a {
  background: var(--lcd-bg);
  color: var(--lcd-ink);
}
.col-tag-b {
  background: var(--accent-dim);
  color: var(--text);
}

/* Dense multi-column grid so many laps are visible at a glance */
.records-grid {
  column-width: 130px;
  column-gap: 8px;
}

/* Two lines per record (idx+lap time, then total time) instead of three
   side-by-side columns — a single-line layout squeezed the digits down to
   illegible/ellipsized widths once the A/B split halved the column width. */
.record-row {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 4px 6px;
  border-radius: 6px;
  break-inside: avoid;
  margin-bottom: 3px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.record-row:nth-child(odd) { background: var(--panel-2); }

.record-row-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
}

.record-row .idx {
  color: var(--text-dim);
  font-size: 10px;
  flex: 0 0 auto;
}

.record-row .time-lap {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}
.record-row .time-total {
  color: var(--text-dim);
  font-size: 11px;
  text-align: right;
}

.record-row.latest {
  outline: 1px solid var(--accent);
}

/* Screen lock: while running outdoors, a stray tap shouldn't be able to hit
   reset/delete/etc. The toggle sits above the overlay (higher z-index) so
   it's always reachable to unlock; the overlay itself blocks every other
   tap on the page underneath it. */
.lock-toggle {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1000;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(44, 100, 98, 0.18);
}
.lock-toggle.is-locked {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.lock-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  box-sizing: border-box;
  border: 4px solid var(--accent);
  background: rgba(62, 138, 136, 0.06);
  cursor: not-allowed;
}

/* ---------- Tabs ---------- */
/* タブ間の移動はポータル側の直リンク(#timer, #tabata 等)と「← ポータル」
   ボタン経由が前提になったため、アプリ内のハンバーガーメニューは廃止した。
   現在のタブ名は上部バーに表示する。補強フル/コアA/コアB/ループ/下肢の
   5タブだけは1つの「補強カウント」ポータルリンクにまとめているため、
   タブ内に .reinforce-subnav で相互に切り替えられるようにしている。 */
.app-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
}
.portal-back-link {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  height: 36px;
  padding: 0 10px;
  border-radius: 10px;
  background: var(--accent);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.app-topbar-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-panel[hidden] {
  display: none;
}

.reinforce-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}
.reinforce-subnav-btn {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.reinforce-subnav-btn.is-active {
  background: var(--accent-dim);
  color: var(--accent-dark);
  border-color: var(--accent);
  cursor: default;
}

/* ---------- Pace calculator ---------- */
.pace-app {
  background: var(--panel);
  border: 0.5mm solid var(--accent);
  border-radius: 16px;
  color: var(--text);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.pace-title {
  font-size: 16px;
  margin: 0;
  color: var(--text);
}
.pace-desc {
  font-size: 12px;
  color: var(--text-dim);
  margin: 0;
  line-height: 1.5;
}

.pace-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Stacked layout (fields on top, results below) rather than a single-line
   grid — a one-line row with distance/time/pace/speed/remove doesn't fit
   narrow phones without squeezing digits illegible. */
.pace-row {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pace-row-top {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}
.pace-field {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.pace-field span {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 700;
}
.pace-field input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  padding: 8px;
}
.pace-field input:focus {
  outline: 1px solid var(--accent);
}

.pace-remove {
  flex: 0 0 auto;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  line-height: 1;
  padding: 6px 6px;
  cursor: pointer;
}

.pace-row-result {
  display: flex;
  justify-content: space-around;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}
.pace-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.pace-metric-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-dim);
}
.pace-pace-value,
.pace-speed-value {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.preset-pace-table {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.preset-pace-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 12px;
  border-radius: 8px;
  background: var(--panel-2);
}
.preset-pace-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dim);
}
.preset-pace-time {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

/* ---------- Level-crossing safety calculator ---------- */
.crossing-time-fields {
  display: flex;
  gap: 8px;
}

.train-row .pace-row-top {
  flex-wrap: wrap;
}

.train-direction {
  flex: 1 1 100%;
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  padding: 8px;
}

.crossing-result {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.crossing-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.crossing-list li {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  padding: 7px 10px;
  border-radius: 8px;
}
.crossing-danger {
  background: var(--accent-dim);
  color: var(--text);
}
.crossing-safe {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--accent);
}

/* ---------- Stretch-count timer ---------- */
.stretch-app {
  background: var(--panel);
  border: 0.5mm solid var(--accent);
  border-radius: 16px;
  color: var(--text);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.stretch-header-row {
  width: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.stretch-progress {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dim);
  margin-left: auto; /* 🔊音声・🎙録音するボタンは左詰めでまとめ、進捗表示だけ右端に寄せる */
}

#stretchVoiceToggle.is-muted {
  color: var(--text-dim);
  opacity: 0.6;
}

.stretch-voice-picker {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stretch-voice-picker span {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 700;
}
.stretch-voice-picker select {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  padding: 8px;
}
.stretch-voice-picker select:disabled {
  opacity: 0.5;
}

.stretch-recordings-modal {
  position: fixed;
  inset: 0;
  z-index: 950;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.stretch-recordings-modal[hidden] {
  display: none;
}
.stretch-recordings-modal-panel {
  width: 100%;
  max-width: 640px;
  max-height: 88vh;
  background: var(--panel);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 16px 16px 0 0;
  box-sizing: border-box;
  padding: 14px 14px calc(14px + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.stretch-recordings-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  flex: 0 0 auto;
}
.stretch-recordings-close-btn {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  width: 32px;
  height: 32px;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.stretch-recordings-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
}

.recording-set-picker {
  width: 100%;
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 6px;
  flex: 0 0 auto;
}
.recording-set-picker-select {
  flex: 1 1 160px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.recording-set-picker-select span {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 700;
}
.recording-set-picker-select select {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  padding: 8px;
}
#recordingSetNewBtn,
#recordingSetRenameBtn,
#recordingSetDeleteBtn,
#recordingSetShareBtn {
  flex: 0 0 auto;
}

.recording-row {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.recording-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.recording-row-group {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.recording-row-status {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-dim);
  white-space: nowrap;
}
.recording-row.is-recorded .recording-row-status {
  color: var(--accent-dark);
}
.recording-row-text {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.4;
}
.recording-row-buttons {
  display: flex;
  gap: 6px;
}
.recording-row-buttons .btn {
  flex: 1 1 0;
  padding: 6px 4px;
  font-size: 11px;
  min-width: 0;
}
.recording-record-btn.is-recording {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.stretch-display-panel {
  width: 100%;
  background: var(--lcd-bg);
  color: var(--lcd-ink);
  border-radius: 10px;
  padding: 18px 16px;
  box-shadow: inset 0 2px 6px rgba(44, 100, 98, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.stretch-timer {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(40px, 14vw, 64px);
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 0 0 1px rgba(44, 100, 98, 0.25);
}
/* Past 30 seconds — the cue to press スタート for the next stretch. */
.stretch-timer.is-overtime {
  color: var(--accent-dark);
}

.stretch-current-group {
  font-size: 20px;
  font-weight: 800;
}

.reinforce-current-spec {
  font-size: 13px;
  font-weight: 600;
  color: var(--lcd-ink-dim);
}

.stretch-buttons {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stretch-buttons-row {
  display: flex;
  gap: 8px;
}
.stretch-buttons-row .btn {
  flex: 1 1 0;
}
.stretch-start-btn {
  width: 100%;
  min-height: 192px;
  font-size: 28px;
}

.stretch-auto-btn {
  width: 100%;
}
.stretch-auto-btn.is-active {
  background: var(--accent-dim);
  color: var(--accent-dark);
  border-color: var(--accent);
}

.stretch-next {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stretch-next-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
}
.stretch-next-group {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}
.stretch-next-speech {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ---------- TABATA timer ---------- */
.tabata-app {
  background: var(--panel);
  border: 0.5mm solid var(--accent);
  border-radius: 16px;
  color: var(--text);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.tabata-progress {
  align-self: flex-end;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dim);
}

.tabata-display-panel {
  width: 100%;
  background: var(--lcd-bg);
  color: var(--lcd-ink);
  border-radius: 10px;
  padding: 24px 16px;
  box-shadow: inset 0 2px 6px rgba(44, 100, 98, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}
/* Bold, saturated color per phase so it reads at a glance mid-workout,
   without needing to focus on the text label. */
.tabata-display-panel.is-train {
  background: var(--accent);
  color: #ffffff;
}
.tabata-display-panel.is-rest {
  background: var(--tabata-rest);
  color: #ffffff;
}

.tabata-phase {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.tabata-timer {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(64px, 22vw, 110px);
  font-weight: 700;
  letter-spacing: 1px;
}

.tabata-buttons {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tabata-start-btn {
  width: 100%;
  min-height: 128px;
  font-size: 40px;
}

/* タバタ全セット終了後、脈拍を測るための15秒タイマー。ボタンを押した
   瞬間から15秒カウントダウンし、自動で止まる(タバタ本体とは独立)。 */
.pulse-timer {
  width: 100%;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1mm solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.pulse-timer-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dim);
}
.pulse-timer-value {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 56px;
  font-weight: 700;
}
.pulse-timer button {
  width: 100%;
}

/* ---------- 点呼(ロールコール) ---------- */
.rollcall-app {
  background: #5fa6a4;
  border: 1px solid var(--border);
  border-radius: 16px;
  color: #ffffff;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.rollcall-header-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.rollcall-app .btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
}
.rollcall-progress {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  margin-right: auto;
}

/* 4年・3年・2年・1年を横に4列並べたグリッド(ROLLCALL_GRADES =
   [4, 3, 2, 1] の順そのまま、左から右に並ぶ)。 */
.rollcall-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px 8px;
  align-items: start;
}
.rollcall-grade-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.rollcall-grade-heading {
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
  padding: 2px 2px;
}
.rollcall-grade-heading-sub {
  margin-top: 4px;
  padding-top: 6px;
  border-top: 1px dashed rgba(255, 255, 255, 0.35);
}
.rollcall-grade-members {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* タグの有無でボタンの高さが変わらないよう、バッジ欄は常に2段ぶんの
   高さを確保しておく(中身が0〜1個の時は空の段をnbspで埋める)。これで
   バッジが0個・1個・2個のどのボタンも高さが揃う。 */
.rollcall-member {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  background: #ffffff;
  border: 1px solid #ffffff;
  border-radius: 10px;
  padding: 8px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.05s ease, background 0.15s ease, opacity 0.2s ease, filter 0.05s ease;
}
.rollcall-member-name {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.rollcall-member:active,
.rollcall-member.is-pressed {
  transform: scale(0.97);
  filter: brightness(0.85);
}
.rollcall-member.is-checked {
  background: transparent;
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.5);
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
  opacity: 0.8;
}
.rollcall-member-tags {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 1px;
}
.rollcall-member-tag-line {
  font-size: 10px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--accent-dark);
  white-space: nowrap;
}
.rollcall-member.is-checked .rollcall-member-tag-line {
  color: rgba(255, 255, 255, 0.75);
}

.rollcall-add-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(62, 138, 136, 0.1);
  border: 1px solid rgba(62, 138, 136, 0.35);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 8px 10px;
}
.rollcall-add-form-row {
  display: flex;
  gap: 6px;
}
.rollcall-add-form-row[hidden] {
  display: none;
}
.rollcall-add-form-row input[type='text'] {
  flex: 1 1 0;
  min-width: 0;
  box-sizing: border-box;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  padding: 8px;
}
.rollcall-add-form-row input[type='text']:focus {
  outline: 1px solid var(--accent);
}
#rollcallAddBtn {
  flex: 0 0 auto;
}

.rollcall-filter {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.rollcall-filter span {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 700;
}
.rollcall-app .rollcall-filter span {
  color: #ffffff;
}
.rollcall-filter select {
  width: 100%;
  box-sizing: border-box;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  padding: 8px;
}

#rollcallShareBtn {
  width: 100%;
}

.rollcall-tag-manage {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(62, 138, 136, 0.1);
  border: 1px solid rgba(62, 138, 136, 0.35);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 8px 10px;
}
.rollcall-tag-manage-heading {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
}
.rollcall-add-form-heading {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
}
.rollcall-register-row-note {
  flex-basis: 100%;
  font-size: 10px;
  color: var(--text-dim);
}
.rollcall-tag-chip-list {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 4px;
  padding-bottom: 2px; /* 横スクロールバーが内容に重ならないよう少し余白を取る */
}
.rollcall-tag-chip {
  display: flex;
  align-items: center;
  gap: 3px;
  flex: 0 0 auto;
  white-space: nowrap;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 4px 3px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text);
}
.rollcall-tag-chip-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  padding: 2px 4px;
}
/* この登録モーダルは項目数が多く縦に詰まりやすいので、共通モーダルの
   ブロック間の余白(gap: 10px)より少し詰めて、下の一覧のスクロール領域を
   広く取れるようにする。 */
#rollcallRegisterModal.stretch-recordings-modal .stretch-recordings-modal-panel {
  gap: 6px;
  height: calc(100vh - 8px);
  max-height: calc(100vh - 8px);
}
.rollcall-tag-badge-toggle {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
  padding-left: 4px;
  border-left: 1px solid var(--border);
}
.rollcall-tag-badge-toggle input {
  accent-color: var(--accent);
}
.rollcall-tag-empty-hint {
  font-size: 11px;
  color: var(--text-dim);
}

.rollcall-tag-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.rollcall-tag-checkbox {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}
.rollcall-row-tag-checkboxes.rollcall-tag-checkboxes {
  gap: 5px;
}
.rollcall-row-tag-checkboxes .rollcall-tag-checkbox {
  gap: 3px;
  padding: 3px 6px;
  font-size: 10px;
}
.rollcall-row-tag-checkboxes .rollcall-tag-checkbox input {
  width: 12px;
  height: 12px;
}
.rollcall-tag-checkbox input {
  accent-color: var(--accent);
}

.rollcall-register-row {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rollcall-register-row-view {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.rollcall-register-row-view[hidden] {
  display: none;
}
.rollcall-register-row-info {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 6px;
  min-width: 0;
}
.rollcall-register-row-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.rollcall-register-row-grade {
  font-size: 11px;
  color: var(--text-dim);
}
.rollcall-register-row-buttons {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}