:root {
  --ui-fg: #f3f6fa;
  --ui-border: rgba(255, 255, 255, 0.28);
  --ui-bg: rgba(20, 24, 30, 0.62);
  --ui-bg-strong: rgba(20, 24, 30, 0.74);
  --ui-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
  --ui-outline: 1px solid rgba(255, 255, 255, 0.2);
}

html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: "MS Pゴシック", sans-serif;
  background: #000;
  color: var(--ui-fg);
}

#arScene {
  position: fixed;
  inset: 0;
  z-index: 1;
}

#cameraFeed {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  background: #000;
}

#markerLayer {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.screen-marker {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.28em;
  transform: translate(-50%, -50%);
  transform-origin: center center;
  pointer-events: auto;
  user-select: none;
  -webkit-user-select: none;
  white-space: nowrap;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85), 0 0 12px rgba(0, 0, 0, 0.5);
  line-height: 1;
  font-weight: 700;
}

.screen-marker.selected {
  filter: drop-shadow(0 0 10px rgba(80, 170, 255, 0.9));
  transform: translate(-50%, -50%) scale(1.08);
}

.screen-marker-icon {
  width: 1em;
  height: 1em;
  display: block;
  flex: 0 0 auto;
}

.screen-marker-label {
  display: inline-block;
}

.overlay {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 4;
  pointer-events: none;
}

#centerPanel {
  inset: 0;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#centerPanel.hidden {
  display: none;
}

#launchCard {
  width: min(88vw, 420px);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(10, 12, 16, 0.52), rgba(8, 10, 14, 0.42));
  box-shadow:
    0 12px 34px rgba(0, 0, 0, 0.28),
    0 0 44px rgba(0, 0, 0, 0.22),
    0 0 0 1px rgba(255, 255, 255, 0.06) inset;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 12px 12px 12px;
  pointer-events: auto;
  text-align: center;
}

#launchTitle {
  margin: 0 0 6px 0;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--ui-fg);
}

#launchStatus {
  margin: 0;
  font-size: 16px;
  line-height: 1.2;
  color: orange;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.95);
  white-space: pre-line;
  word-break: break-word;
}

#launchLoading {
  display: none;
  width: 54px;
  height: 54px;
  margin: 2px auto 10px auto;
  object-fit: contain;
}

#centerPanel.is-loading #launchLoading {
  display: block;
}

#centerPanel.is-loading #startButton {
  opacity: 0.75;
  pointer-events: none;
}

#startButton {
  margin-top: 10px;
  border: 1px solid rgba(174, 221, 255, 0.95);
  border-radius: 10px;
  background: linear-gradient(165deg, rgba(92, 180, 250, 0.95), rgba(38, 118, 186, 0.92));
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(180, 228, 255, 0.2) inset;
  color: var(--ui-fg);
  height: 38px;
  min-width: 120px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  transform: translateY(0);
  transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
}

#startButton:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

#startButton:active {
  transform: translateY(0);
  filter: brightness(0.98);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(180, 228, 255, 0.2) inset;
}

#statusStrip {
  top: calc(8px + env(safe-area-inset-top));
  left: 8px;
  right: auto;
  width: min(78vw, 360px);
  min-height: 32px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
  justify-content: flex-start;
}

#statusText {
  margin: 0;
  font-size: 10px;
  line-height: 1.35;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.95);
  text-align: left;
  white-space: pre-line;
  overflow: visible;
  text-overflow: clip;
  max-width: 100%;
}

#locationSourceWrap {
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  pointer-events: auto;
}

#locationSourceButton {
  border: 1px solid var(--ui-border);
  border-radius: 7px;
  background: var(--ui-bg);
  color: var(--ui-fg);
  height: 24px;
  padding: 0 8px;
  font-size: 11px;
  font-weight: 700;
  line-height: 24px;
}

#locationSourceSelect {
  border: 1px solid var(--ui-border);
  border-radius: 7px;
  background: var(--ui-bg-strong);
  color: var(--ui-fg);
  height: 24px;
  font-size: 11px;
  line-height: 24px;
  padding: 0 6px;
  max-width: 170px;
}

#tweetCard {
  position: fixed;
  left: 0;
  top: 0;
  width: min(88vw, 420px);
  min-height: 48px;
  border: 1px solid var(--ui-border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.75);
  box-shadow: var(--ui-shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 10px 12px;
  outline: var(--ui-outline);
  pointer-events: auto;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -8px);
  transition: opacity 200ms ease, transform 200ms ease, visibility 200ms ease;
  z-index: 4;
}

#tweetCard.visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

#tweetBody {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--ui-fg);
  white-space: pre-wrap;
  word-break: break-word;
}

#tweetMeta {
  margin: 8px 0 0 0;
  font-size: 12px;
  line-height: 1.3;
  color: var(--ui-fg);
  opacity: 0.9;
}

#buttonMap {
  position: fixed;
  top: calc(8px + env(safe-area-inset-top));
  right: 8px;
  z-index: 5;
  opacity: 0.9;
  pointer-events: auto;
  border: 1px solid var(--ui-border);
  border-radius: 8px;
  background: var(--ui-bg);
  box-shadow: var(--ui-shadow);
  color: var(--ui-fg);
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 700;
  line-height: 32px;
  text-decoration: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

#debugSwitchWrap {
  position: fixed;
  top: calc(44px + env(safe-area-inset-top));
  right: 8px;
  display: none;
  align-items: center;
  gap: 8px;
  z-index: 5;
  opacity: 0.95;
  pointer-events: auto;
  border: 1px solid var(--ui-border);
  border-radius: 8px;
  background: var(--ui-bg);
  box-shadow: var(--ui-shadow);
  color: var(--ui-fg);
  height: 30px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

#debugSwitchLabel {
  color: var(--ui-fg);
  font-size: 12px;
  font-weight: 700;
  user-select: none;
}

.debug-switch {
  position: relative;
  width: 34px;
  height: 18px;
  display: inline-block;
}

.debug-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.debug-slider {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  transition: background 180ms ease;
  cursor: pointer;
}

.debug-slider::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: 2px;
  top: 2px;
  border-radius: 50%;
  background: #fff;
  transition: transform 180ms ease;
}

.debug-switch input:checked + .debug-slider {
  background: rgba(80, 170, 255, 0.88);
}

.debug-switch input:checked + .debug-slider::before {
  transform: translateX(16px);
}