:root {
  color-scheme: light;
  font-family:
    -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Noto Sans JP",
    sans-serif;
  font-synthesis: none;
  --primary: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #3b82f6, #6366f1);
  --dark-background: #0f172a;
  --dark-surface: rgba(15, 23, 42, 0.85);
  --light-surface: rgba(255, 255, 255, 0.85);
  --light-text: #0f172a;
  --light-subtext: #64748b;
  --dark-text: #f8fafc;
  --dark-subtext: #94a3b8;
  --touch-size: 44px;
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
  touch-action: manipulation;
  transition:
    background-color 150ms ease,
    transform 150ms ease,
    box-shadow 150ms ease,
    border-color 150ms ease;
}

button:disabled {
  cursor: not-allowed;
}

button:not(:disabled):active {
  transform: scale(0.97);
}

.mode {
  width: 100%;
  height: 100%;
}

.map-mode {
  position: relative;
}

#map {
  width: 100%;
  height: 100%;
  background: #e5e3df;
}

.map-crosshair {
  position: absolute;
  z-index: 900;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  transform: translate(-50%, -50%);
  border: 2px solid rgba(15, 23, 42, 0.85);
  border-radius: 50%;
  box-shadow: 0 0 0 1px #fff;
  pointer-events: none;
}

.map-crosshair::before,
.map-crosshair::after {
  position: absolute;
  background: rgba(15, 23, 42, 0.85);
  box-shadow: 0 0 0 1px #fff;
  content: "";
}

.map-crosshair::before {
  top: -10px;
  left: 50%;
  width: 2px;
  height: 36px;
  transform: translateX(-50%);
}

.map-crosshair::after {
  top: 50%;
  left: -10px;
  width: 36px;
  height: 2px;
  transform: translateY(-50%);
}

.result-panel {
  position: absolute;
  z-index: 1000;
  top: 16px;
  left: 50%;
  display: flex;
  width: min(720px, calc(100% - 32px));
  min-height: 72px;
  padding: 12px;
  transform: translateX(-50%);
  border-radius: 16px;
  background: var(--light-surface);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.16);
  color: var(--light-text);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.result-panel__content {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: center;
}

.instruction,
.sub-instruction {
  margin: 0;
}

.instruction {
  font-size: 1rem;
  font-weight: 700;
}

.sub-instruction {
  margin-left: 12px;
  color: var(--light-subtext);
  font-size: 0.85rem;
}

.clear-button {
  min-width: 68px;
  min-height: var(--touch-size);
  margin-left: 12px;
  align-self: center;
  border: 1px solid #94a3b8;
  border-radius: 12px;
  background: transparent;
  color: var(--light-text);
}

.clear-button:disabled {
  opacity: 0.5;
}

.result-values {
  display: grid;
  width: 100%;
  margin: 0;
  grid-template-columns: 0.8fr 1.25fr 1.35fr;
  gap: 8px 16px;
}

.result-values div {
  min-width: 0;
}

.result-values dt {
  color: var(--light-subtext);
  font-size: 0.75rem;
}

.result-values dd {
  margin: 2px 0 0;
  font-size: 0.94rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.open-camera-button {
  position: absolute;
  z-index: 1000;
  right: 16px;
  bottom: 100px;
  min-width: 188px;
  height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: var(--accent-gradient);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.45);
  color: #fff;
  font-weight: 700;
}

.placement-bar {
  position: absolute;
  z-index: 1000;
  bottom: 40px;
  left: 50%;
  display: grid;
  width: min(520px, calc(100% - 32px));
  transform: translateX(-50%);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.placement-bar button {
  height: 48px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: var(--light-surface);
  color: var(--light-text);
  font-weight: 700;
  white-space: nowrap;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.open-camera-button:disabled {
  background: #94a3b8;
  box-shadow: none;
}

.locate-button {
  position: absolute;
  z-index: 1000;
  right: 16px;
  bottom: 160px;
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--light-surface);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.16);
  color: var(--light-text);
  font-size: 1.25rem;
  line-height: 1;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.location-toast {
  position: absolute;
  z-index: 1100;
  top: 16px;
  left: 50%;
  max-width: calc(100% - 32px);
  padding: 12px 16px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: var(--dark-surface);
  color: var(--dark-text);
  text-align: center;
  pointer-events: none;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.locate-button[hidden],
.location-toast[hidden] {
  display: none;
}

.location-tooltip {
  font-weight: 700;
}

.camera-mode {
  min-height: 100dvh;
  flex-direction: column;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--dark-background);
  color: var(--dark-text);
}

.camera-header {
  position: relative;
  display: flex;
  min-height: 64px;
  flex: none;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
}

.back-button {
  position: absolute;
  left: 16px;
  min-height: var(--touch-size);
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--dark-text);
  font-weight: 700;
}

.camera-distance {
  margin: 0;
  padding: 0;
  font-size: 1.05rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.finder-area {
  display: flex;
  min-height: 0;
  flex: 1 1 auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 16px 12px;
}

.finder-frame {
  position: relative;
  flex: none;
  overflow: hidden;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  background: linear-gradient(to bottom, #cfe8ff 0 55%, #d7cdb8 55% 100%);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.horizon {
  position: absolute;
  z-index: 1;
  top: 55%;
  right: 0;
  left: 0;
  height: 1px;
  background: rgba(55, 71, 79, 0.42);
}

.person {
  position: absolute;
  z-index: 2;
  bottom: 0;
  left: 50%;
  width: 22%;
  height: 100%;
  transform: translateX(-50%) scale(var(--person-scale, 1));
  transform-origin: bottom center;
}

.person__head {
  position: absolute;
  top: 0;
  left: 50%;
  width: 52%;
  aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  background: #37474f;
}

.person__body {
  position: absolute;
  top: 23%;
  bottom: 0;
  left: 50%;
  width: 70%;
  transform: translateX(-50%);
  border-radius: 42% 42% 12% 12%;
  background: #37474f;
}

.fit-warning {
  position: absolute;
  z-index: 3;
  top: 8px;
  left: 50%;
  margin: 0;
  padding: 5px 9px;
  transform: translateX(-50%);
  border-radius: 5px;
  background: #c62828;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
}

.finder-reading {
  margin: 10px 0 0;
  color: var(--dark-subtext);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.settings-bar {
  width: 100%;
  flex: none;
  padding: 14px max(16px, calc((100vw - 1000px) / 2));
  border-radius: 16px 16px 0 0;
  background: var(--dark-surface);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.35);
  color: var(--dark-text);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.focal-control {
  max-width: 1000px;
  margin: 0 auto;
}

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

.control-heading label,
.setting-group legend,
.height-control > span {
  color: var(--dark-subtext);
  font-size: 0.85rem;
  font-weight: 700;
}

#focal-output {
  font-size: 24px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.focal-slider {
  appearance: none;
  width: 100%;
  height: var(--touch-size);
  margin: 0;
  background: transparent;
  cursor: pointer;
}

.focal-slider::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.focal-slider::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.focal-slider::-webkit-slider-thumb {
  appearance: none;
  width: 28px;
  height: 28px;
  margin-top: -11px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.focal-slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.preset-buttons {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.preset-buttons button,
.toggle-buttons button {
  min-height: var(--touch-size);
  font-weight: 600;
}

.preset-buttons button {
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: transparent;
  color: var(--dark-text);
  font-variant-numeric: tabular-nums;
}

.preset-buttons button.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.settings-grid {
  display: grid;
  max-width: 1000px;
  margin: 12px auto 0;
  grid-template-columns: 1.25fr 1fr 0.75fr;
  gap: 12px;
}

.setting-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.setting-group legend,
.height-control > span {
  margin-bottom: 6px;
}

.toggle-buttons {
  display: grid;
  padding: 3px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.toggle-buttons button {
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #cbd5e1;
}

.toggle-buttons button[aria-pressed="true"] {
  background: var(--primary);
  color: #fff;
}

.height-control {
  display: flex;
  flex-direction: column;
}

.height-control select {
  width: 100%;
  min-height: var(--touch-size);
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--dark-text);
  font-variant-numeric: tabular-nums;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

@supports not (backdrop-filter: blur(1px)) {
  .result-panel,
  .placement-bar button,
  .locate-button {
    background: rgba(255, 255, 255, 0.96);
  }

  .settings-bar,
  .location-toast {
    background: rgba(15, 23, 42, 0.96);
  }
}

@media (max-width: 700px) {
  .result-panel {
    top: 8px;
    right: 8px;
    left: 64px;
    width: auto;
    min-height: 84px;
    padding: 9px;
    transform: none;
  }

  .result-panel__content {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .sub-instruction {
    margin: 4px 0 0;
    font-size: 0.76rem;
  }

  .clear-button {
    min-width: 64px;
    margin-left: 8px;
  }

  .result-values {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .result-values div {
    display: flex;
    gap: 7px;
    align-items: baseline;
  }

  .result-values dt {
    width: 70px;
    flex: none;
  }

  .result-values dd {
    font-size: 0.82rem;
  }

  .open-camera-button {
    right: 12px;
    bottom: 100px;
  }

  .locate-button {
    right: 12px;
  }

  .placement-bar {
    right: 12px;
    left: 12px;
    width: auto;
    transform: none;
  }

  .placement-bar button {
    padding: 0 6px;
    font-size: 0.92rem;
  }

  .camera-header {
    min-height: 60px;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 8px 12px;
  }

  .back-button {
    position: static;
    flex: none;
  }

  .camera-distance {
    min-width: 0;
    flex: 1;
    font-size: 0.95rem;
    text-align: right;
  }

  .finder-area {
    padding: 6px 12px 10px;
  }

  .finder-reading {
    font-size: 0.82rem;
  }

  .settings-bar {
    padding: 12px;
  }

  .preset-buttons {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-height: 700px) and (min-width: 701px) {
  .finder-area {
    padding-top: 2px;
    padding-bottom: 6px;
  }

  .camera-header {
    min-height: 54px;
  }

  .settings-bar {
    padding-top: 8px;
    padding-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}