:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  color: #29272d;
  background-color: #f7f4ec;
  background-image: linear-gradient(to bottom, #fdfbfb 0%, #ebedee 100%);
  font-synthesis: none;
  line-height: 1.2;
  -webkit-tap-highlight-color: transparent;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

html {
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  overscroll-behavior: none;
}

button,
canvas {
  -webkit-user-select: none;
  user-select: none;
}

button {
  font: inherit;
  line-height: 1;
  color: inherit;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  -webkit-appearance: none;
  appearance: none;
}

button:focus,
canvas:focus {
  outline: none;
}

.app {
  margin: 0 auto;
  padding: 4px 0 0;
}

.topbar {
  position: relative;
  z-index: 10;
  height: 52px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 4px;
  padding: 0 9px;
}

.brand {
  min-width: 0;
}

.brand h1 {
  margin: 0;
  overflow: hidden;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: -0.04em;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.brand p {
  margin: 3px 0 0;
  color: #716a61;
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.15;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.metric {
  min-width: 44px;
  height: 42px;
  padding: 3px 4px;
  border-radius: 12px;
  background-color: #eef1f5;
  background-image: radial-gradient(circle, #eef1f5 0%, #e6e9f0 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.metric span {
  color: #716a61;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  white-space: nowrap;
}

.metric strong {
  font-size: 16px;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  line-height: 1.25;
  white-space: nowrap;
}

.metric-score strong {
  color: #6650b7;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.board {
  position: relative;
  width: 100%;
  aspect-ratio: 20 / 31;
  overflow: hidden;
  color-scheme: only light;
  forced-color-adjust: none;
  background-color: #f8f3ea;
  background-image:
    linear-gradient(to bottom, rgba(255, 253, 248, 0.58), rgba(255, 249, 242, 0.48)),
    url("assets/backgrounds/people-community.webp");
  background-position: center;
  background-size: cover;
  isolation: isolate;
}

#gameCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: crosshair;
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  padding: 22px;
  background-color: rgba(255, 253, 248, 0.94);
  display: grid;
  place-items: center;
}

.overlay-card {
  width: 100%;
  max-width: 326px;
  padding: 25px 23px 23px;
  border: 1px solid #dcd5c8;
  border-radius: 24px;
  background-color: #fffdf8;
  box-shadow: 0 14px 34px rgba(55, 47, 36, 0.12);
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  color: #6f55c6;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.overlay h2 {
  margin: 0;
  font-size: 27px;
  line-height: 1.25;
  letter-spacing: -0.04em;
}

.primary-button,
.small-button,
.icon-button {
  cursor: pointer;
  transition: transform 100ms ease, opacity 100ms ease, filter 100ms ease;
}

.primary-button:active,
.small-button:active,
.icon-button:active {
  transform: translateY(1px) scale(0.98);
}

.primary-button {
  width: 100%;
  min-height: 49px;
  border-radius: 15px;
  background-color: #6f55c6;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  box-shadow: 0 5px 0 #503c97;
}

.game-over-card h2 {
  margin-bottom: 18px;
}

.result-row {
  margin-bottom: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.result-row > div {
  padding: 11px 8px;
  border-radius: 13px;
  background-color: #f2eee5;
}

.result-row > div > span {
  display: block;
  margin-bottom: 2px;
  color: #6f685f;
  font-size: 11px;
  font-weight: 700;
}

.result-row > div > strong {
  display: block;
  color: #4c3b87;
  font-size: 20px;
}

.highest-item {
  width: 64px;
  height: 64px;
  margin: 4px auto 0;
  overflow: hidden;
  border-radius: 50%;
  background-color: #fdfbfb;
  background-image: linear-gradient(120deg, #fdfbfb 0%, #ebedee 100%);
  display: grid;
  place-items: center;
}

.highest-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.new-record {
  margin: -4px 0 13px;
  color: #b83240;
  font-weight: 800;
}

.small-button,
.icon-button {
  height: 42px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 800;
  background-color: #eef1f5;
  background-image: radial-gradient(circle, #eef1f5 0%, #e6e9f0 100%);
  color: #4e4a45;
}

.small-button:disabled {
  cursor: default;
  opacity: 0.42;
  transform: none;
}

.icon-button {
  width: 42px;
  min-width: 42px;
  display: grid;
  place-items: center;
}

.restart-button {
  min-width: 46px;
  padding: 0 6px;
}

.sound-icon {
  position: relative;
  width: 20px;
  height: 18px;
  display: block;
}

.sound-icon::before {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 13px;
  height: 16px;
  background-color: currentColor;
  -webkit-clip-path: polygon(0 36%, 30% 36%, 72% 5%, 72% 95%, 30% 64%, 0 64%);
  clip-path: polygon(0 36%, 30% 36%, 72% 5%, 72% 95%, 30% 64%, 0 64%);
  content: "";
}

.sound-icon::after {
  position: absolute;
  top: 4px;
  right: 0;
  width: 6px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-radius: 0 50% 50% 0;
  content: "";
}

.sound-icon.is-muted::after {
  top: 8px;
  right: 0;
  width: 19px;
  height: 2px;
  border: 0;
  border-radius: 999px;
  background-color: currentColor;
  transform: rotate(-45deg);
}

.confirm-card h2 {
  margin-bottom: 10px;
}

.confirm-copy {
  margin: 0 0 18px;
  color: #716a61;
  font-size: 13px;
  line-height: 1.45;
}

.confirm-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.confirm-button {
  background-color: #6f55c6;
  background-image: none;
  color: #fff;
}

/* 手机使用上面的默认全宽布局；电脑端只限制游戏区域的最大宽度。 */
@media (min-width: 449px) {
  .app {
    max-width: 420px;
  }
}

@media (min-width: 449px) and (hover: hover) and (pointer: fine) {
  .primary-button:hover {
    filter: brightness(1.05);
  }

  .small-button:hover:not(:disabled),
  .icon-button:hover {
    filter: brightness(0.97);
  }
}

@supports not (aspect-ratio: 1 / 1) {
  .board::before {
    display: block;
    padding-top: 155%;
    content: "";
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}