:root {
  --bg: #06080c;
  --panel: rgba(11, 14, 19, 0.72);
  --panel-solid: #0b0e13;
  --hairline: rgba(255, 255, 255, 0.09);
  --hairline-strong: rgba(255, 255, 255, 0.16);
  --text: #eef2f6;
  --text-muted: #7d8794;
  --ember: #ff5a2c;
  --ember-soft: rgba(255, 90, 44, 0.55);
  --amber: #ffb547;
  --signal: #5ad1c8;
  --thumb-gray: #9aa3af;
  --thumb-gray-soft: rgba(154, 163, 175, 0.5);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.6);
  --topbar-h: 56px;

  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-ui: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

#map {
  position: absolute;
  inset: 0;
}

.maplibregl-ctrl-attrib {
  font-size: 10px;
  opacity: 0.55;
}

/* ---------- 共通 HUD パネル ---------- */
.hud {
  position: absolute;
  z-index: 10;
  background: var(--panel);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
  animation: hud-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

/* パネル上端の微かなハイライト */
/* パネル上端の微かなハイライト */
.hud::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  pointer-events: none;
}

/* ---------- 上部固定ヘッダーバー ---------- */
.topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 22px;
  background: var(--panel-solid);
  border-bottom: 1px solid var(--hairline);
  box-shadow: var(--shadow);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.topbar-logo {
  position: relative;
  width: 32px;
  height: 30px;
  flex-shrink: 0;
}

.topbar-logo-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.topbar-name {
  font-family: "Orbitron", var(--font-display);
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: inline-flex;
}

.topbar-name-bold {
  font-weight: 800;
  color: var(--ember);
}

.topbar-name-light {
  font-weight: 600;
  color: var(--text);
}

.topbar-tagline {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  padding-left: 20px;
  border-left: 1px solid var(--hairline-strong);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(90, 209, 200, 0.6);
  animation: pulse 2s ease-out infinite;
}

/* ---------- 右側 折りたたみ検索パネル（画面端に密着 / Notion風サイドバー） ---------- */
.hud-search-panel {
  top: var(--topbar-h);
  right: 0;
  bottom: 0;
  height: calc(100% - var(--topbar-h));
  width: 260px;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--panel-solid);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  border-left: 1px solid var(--hairline);
  border-radius: 0;
  box-shadow: none;
  transition: width 0.25s ease;
}

.hud-search-panel::before {
  display: none;
}

.hud-search-panel.is-collapsed {
  width: 44px;
}

.search-toggle {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 1px solid var(--hairline-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 1;
}

.search-toggle:hover {
  border-color: var(--ember);
  background: rgba(255, 90, 44, 0.12);
}

.chevron {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 5px 6px 5px 0;
  border-color: transparent currentColor transparent transparent;
  transition: transform 0.25s ease;
}

.hud-search-panel.is-collapsed .chevron {
  transform: rotate(180deg);
}

.search-panel-inner {
  padding: 48px 16px 16px;
  height: 100%;
  display: flex;
  flex-direction: column;
  min-width: 228px;
  opacity: 1;
  transition: opacity 0.15s ease;
}

.hud-search-panel.is-collapsed .search-panel-inner {
  opacity: 0;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 9px 12px;
  border-radius: 9px;
  border: 1px solid var(--hairline-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 13px;
  outline: none;
  flex-shrink: 0;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  border-color: var(--ember);
  box-shadow: 0 0 0 2px var(--ember-soft);
}

.search-list {
  flex: 1;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  overflow-y: auto;
}

.search-list-item {
  padding: 9px 10px;
  border-radius: 8px;
  cursor: pointer;
}

.search-list-item:hover {
  background: rgba(255, 90, 44, 0.14);
}

.search-list-item.is-active {
  background: rgba(255, 90, 44, 0.18);
  border: 1px solid var(--ember-soft);
}

.search-list-name {
  display: block;
  font-size: 13px;
  color: var(--text);
}

.search-list-meta {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.search-list-empty {
  padding: 9px 10px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- mission card（telemetry + layers + BT scale 統合） ---------- */
.hud-mission {
  top: calc(var(--topbar-h) + 18px);
  left: 18px;
  min-width: 264px;
}

.event-name {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.1;
}

.telemetry {
  margin: 0;
  display: grid;
  gap: 9px;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
}

.telemetry-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.telemetry-row dt {
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.telemetry-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  text-align: right;
}

/* mission card内の layers セクション（telemetryの下に続く） */
.layers-section {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
}

.layer-toggle {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 7px 0;
  cursor: pointer;
  user-select: none;
}

.layer-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch {
  position: relative;
  width: 36px;
  height: 19px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #cdd5df;
  transition: transform 0.2s ease, background 0.2s ease;
}

.layer-toggle input:checked + .switch {
  background: var(--ember);
  box-shadow: 0 0 14px var(--ember-soft);
}

.layer-toggle input:checked + .switch::after {
  transform: translateX(17px);
  background: #fff;
}

.layer-toggle input:focus-visible + .switch {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.layer-toggle-label {
  font-size: 13px;
  color: var(--text);
}

.opacity-control {
  margin-top: 13px;
  padding-top: 13px;
  border-top: 1px solid var(--hairline);
}

.opacity-control > label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 9px;
}

.opacity-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  min-width: 34px;
  text-align: right;
}

.basemap-toggle {
  margin-top: 13px;
  padding-top: 13px;
  border-top: 1px solid var(--hairline);
  width: 100%;
  padding-left: 10px;
  padding-right: 10px;
  padding-bottom: 8px;
  border-radius: 9px;
  border-left: 1px solid var(--hairline-strong);
  border-right: 1px solid var(--hairline-strong);
  border-bottom: 1px solid var(--hairline-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 12px;
  cursor: pointer;
}

.basemap-toggle:hover {
  border-color: var(--ember);
  background: rgba(255, 90, 44, 0.12);
}

.mission-toggle {
  display: none;
}

.chevron-down {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 6px 5px 0 5px;
  border-color: currentColor transparent transparent transparent;
  transition: transform 0.25s ease;
}

.mission-body {
  overflow: hidden;
  transition: max-height 0.25s ease, opacity 0.2s ease, margin-top 0.25s ease;
}
/* ---------- range 共通 ---------- */
input[type="range"] {
  appearance: none;
  -webkit-appearance: none;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--thumb-gray);
  border: 2px solid #fff;
  box-shadow: 0 0 10px var(--thumb-gray-soft);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--thumb-gray);
  border: 2px solid #fff;
  box-shadow: 0 0 10px var(--thumb-gray-soft);
  cursor: pointer;
}

.opacity-row input[type="range"] {
  flex: 1;
}

/* ---------- transport ---------- */
.transport {
  position: absolute;
  z-index: 10;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  width: min(760px, calc(100% - 36px));
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--panel);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 14px 20px;
  box-shadow: var(--shadow);
  animation: hud-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) 0.08s both;
}

.play-btn {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ember);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.play-btn:hover {
  border-color: var(--ember);
  background: rgba(255, 90, 44, 0.12);
}

.play-btn.is-playing {
  color: #fff;
  background: var(--ember);
  border-color: var(--ember);
  box-shadow: 0 0 22px var(--ember-soft);
}

.icon-play {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 7px 0 7px 12px;
  border-color: transparent transparent transparent currentColor;
  margin-left: 3px;
}

.icon-pause {
  display: none;
  width: 12px;
  height: 14px;
  background:
    linear-gradient(currentColor, currentColor) 0 / 4px 100% no-repeat,
    linear-gradient(currentColor, currentColor) 100% / 4px 100% no-repeat;
}

.play-btn.is-playing .icon-play {
  display: none;
}

.play-btn.is-playing .icon-pause {
  display: block;
}

/* scrubber */
.scrubber {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-width: 0;
}

.scrubber input[type="range"] {
  width: 100%;
}

.readout {
  flex-shrink: 0;
  min-width: 118px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.readout-time {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.speed-btn {
  flex-shrink: 0;
  min-width: 44px;
  height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.speed-btn:hover {
  border-color: var(--signal);
  background: rgba(90, 209, 200, 0.12);
}

/* ---------- focus ---------- */
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ---------- animations ---------- */
@keyframes hud-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.transport {
  /* translateX を保ったまま入場させる */
  animation-name: transport-in;
}

@keyframes transport-in {
  from {
    opacity: 0;
    transform: translate(-50%, 12px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(90, 209, 200, 0.55);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(90, 209, 200, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(90, 209, 200, 0);
  }
}

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  .topbar {
    height: 48px;
    padding: 0 14px;
    gap: 10px;
  }

  .topbar-tagline {
    display: none;
  }

  .hud-mission {
    top: calc(48px + max(12px, env(safe-area-inset-top)));
    left: 12px;
    right: 12px;
    min-width: 0;
    padding: 13px 46px 13px 15px;
    max-height: calc(100vh - 230px);
    overflow-y: auto;
  }

  .legend-section {
    margin-top: 10px;
    padding-top: 10px;
  }

  .event-name {
    font-size: 18px;
    margin-bottom: 0;
  }

  .mission-toggle {
    display: grid;
    place-items: center;
    position: absolute;
    top: 14px;
    right: 14px;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    border: 1px solid var(--hairline-strong);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    cursor: pointer;
  }

  .mission-toggle:hover {
    border-color: var(--ember);
    background: rgba(255, 90, 44, 0.12);
  }

  .hud-mission.is-collapsed .chevron-down {
    transform: rotate(180deg);
  }

  .mission-body {
    margin-top: 12px;
    max-height: 800px;
    opacity: 1;
  }

  .hud-mission.is-collapsed {
    max-height: none;
    overflow: visible;
  }

  .hud-mission.is-collapsed .mission-body {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
  }

  .telemetry {
    grid-template-columns: 1fr 1fr;
    gap: 8px 14px;
  }

  .layers-section {
    margin-top: 10px;
    padding-top: 10px;
  }

  .layer-toggle {
    padding: 8px 0;
  }

  .hud-search-panel {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    border-left: none;
    border-radius: 0;
    z-index: 20;
  }

  .hud-search-panel.is-collapsed {
    top: auto;
    left: auto;
    right: 0;
    bottom: max(12px, env(safe-area-inset-bottom));
    width: 30px;
    height: 84px;
    border-radius: 14px 0 0 14px;
    border: 1px solid var(--hairline-strong);
    border-right: none;
  }

  .search-panel-inner {
    min-width: 0;
    padding: calc(56px + env(safe-area-inset-top)) 20px calc(20px + env(safe-area-inset-bottom));
  }

  .hud-search-panel.is-collapsed .search-toggle {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .hud-search-panel:not(.is-collapsed) .search-toggle {
    top: auto;
    left: auto;
    right: 16px;
    bottom: max(16px, env(safe-area-inset-bottom));
    width: 44px;
    height: 44px;
  }

  .transport {
    left: 12px;
    right: 54px;
    bottom: max(12px, env(safe-area-inset-bottom));
    transform: none;
    animation: none;
    width: auto;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 14px;
  }

  .play-btn {
    order: 1;
    width: 42px;
    height: 42px;
  }

  .readout {
    order: 2;
    min-width: 0;
    overflow: hidden;
  }

  .readout-time {
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .readout-utc,
  .readout-sep {
    display: none;
  }

  .speed-btn {
    order: 3;
  }

  .scrubber {
    order: 4;
    flex: 1 1 100%;
  }

  input[type="range"]::-webkit-slider-thumb {
    width: 18px;
    height: 18px;
  }

  input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
  }

}


@media (max-width: 380px) {
  .hud-mission {
    padding: 11px 13px;
  }

  .event-name {
    font-size: 16px;
  }

  .telemetry-row dt {
    font-size: 9px;
  }

  .telemetry-row dd {
    font-size: 12px;
  }

  .readout-time {
    font-size: 12px;
  }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  .hud,
  .transport {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- mission card内 BTスケール凡例（横棒） ---------- */
.legend-section {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
}

.legend-bar-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.legend-gradient {
  width: 100%;
  height: 14px;
  border-radius: 5px;
  border: 1px solid var(--hairline-strong);
  background: linear-gradient(
    to right,
    #000083 0%,
    #0000ff 11%,
    #00ffff 36%,
    #ffff00 62%,
    #ff0000 87%,
    #800000 100%
  );
}

.legend-ticks {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.legend-fire-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
}

.legend-fire-swatch {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  background: var(--ember);
  box-shadow: 0 0 8px var(--ember-soft);
  flex-shrink: 0;
}

.legend-fire-label {
  font-size: 12px;
  color: var(--text);
}

/* 右下 km スケール（transport バーの時刻表示の横あたりに固定） */
.maplibregl-ctrl-bottom-right {
  bottom: 34px;
  right: 280px;
}

@media (max-width: 640px) {
  .maplibregl-ctrl-bottom-right {
    display: block;
    left: auto;
    right: 12px;
    bottom: calc(112px + env(safe-area-inset-bottom));
  }
}

/* ---------- 検索パネル下部 disclaimer / attribution ---------- */
.site-credit {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex-shrink: 0;
}

.site-credit-line {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  opacity: 0.9;
}

.site-credit-attrib {
  opacity: 0.7;
}
@media (max-width: 640px) {
  .site-credit {
    margin-top: 16px;
    padding-right: 76px;
  }
}

.site-credit-links a {
  color: #7ec8e3;
  text-decoration: none;
}

.site-credit-links a:hover {
  text-decoration: underline;
}