:root {
  color-scheme: light;
  --bg-wood: #dcb17f;
  --bg-wood-deep: #c99258;
  --panel: rgba(255, 243, 226, 0.5);
  --ink: #20160f;
  --grid-bg: #ececec;
  --grid-line: #1d1d1d;
  --button-bg: linear-gradient(180deg, #ffffff 0%, #ededed 100%);
  --button-shadow: #1e1e1e;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue",
    Helvetica, Arial, sans-serif;
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0, rgba(255, 255, 255, 0.08) 1px, transparent 1px, transparent 78px),
    linear-gradient(180deg, rgba(117, 65, 20, 0.06), rgba(255, 255, 255, 0.03)),
    linear-gradient(180deg, var(--bg-wood) 0%, #dfb380 40%, var(--bg-wood-deep) 100%);
  background-size: 80px 100%, 100% 100%, 100% 100%;
}

@supports (min-height: 100dvh) {
  body {
    min-height: 100dvh;
  }
}

button {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.page {
  flex: 1;
  padding: 24px 16px 0;
}

.page-footer {
  margin-top: auto;
  padding: 20px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  text-align: center;
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: rgba(255, 248, 240, 0.82);
  text-shadow: 0 1px 3px rgba(104, 59, 21, 0.28);
}

.page__header {
  text-align: center;
  padding-top: 12px;
}

.page__header h1 {
  margin: 0;
  color: #fff7ed;
  font-size: clamp(30px, 6vw, 40px);
  line-height: 1.1;
  text-shadow: 0 2px 8px rgba(104, 59, 21, 0.25);
}

.page__header p {
  margin: 12px auto 0;
  min-height: 24px;
  color: rgba(255, 248, 240, 0.92);
  font-size: 15px;
}

.game-panel {
  width: min(100%, 760px);
  margin: 28px auto 0;
  padding: 18px;
  background: var(--panel);
  border-radius: 28px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(3px);
}

.board-frame {
  border-radius: 18px;
  background: rgba(255, 248, 240, 0.62);
  box-shadow: inset 0 0 0 2px rgba(255, 245, 233, 0.55);
  padding: 14px;
}

.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  background: var(--grid-bg);
  border-radius: 10px;
  padding: 12px;
  overflow: hidden;
}

.avatar {
  position: relative;
  width: 100%;
  aspect-ratio: 198 / 244;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
  transform: translate3d(0, 0, 0);
  opacity: 1;
  transition: transform 0.12s ease, opacity 0.12s ease;
  will-change: transform, opacity;
  backface-visibility: hidden;
  touch-action: manipulation;
}

.avatar--dropping {
  animation: drop-in 0.55s cubic-bezier(0.18, 0.8, 0.24, 1) both;
}

.avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.avatar:hover:not(.avatar--removed):not(.avatar--danger) {
  transform: translateY(0) scale(1.03);
}

.avatar:active:not(.avatar--removed):not(.avatar--danger) {
  transform: translateY(0) scale(0.97);
}

.avatar--removed {
  pointer-events: none;
  opacity: 0;
}

.avatar--danger {
  animation: danger-pop 0.22s ease 2;
}

.fly-avatar {
  position: fixed;
  left: 0;
  top: 0;
  margin: 0;
  border: 0;
  padding: 0;
  background: transparent;
  pointer-events: none;
  z-index: 900;
  transform: translate3d(var(--start-x), var(--start-y), 0);
  opacity: 1;
  will-change: transform, opacity;
  backface-visibility: hidden;
}

.fly-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
}

.fly-avatar--active {
  transition: transform 0.28s linear, opacity 0.28s linear;
  transform: translate3d(var(--start-x), calc(var(--start-y) - var(--fly-distance)), 0);
  opacity: 0;
}

.loading-mask,
.start-mask,
.result-mask {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(6px);
}

.loading-mask {
  z-index: 1200;
}

.start-mask,
.result-mask {
  z-index: 1100;
}

.result-mask--impact {
  animation: result-flash 0.28s ease;
}

.loading-dialog,
.start-dialog,
.result-dialog {
  width: min(100%, 380px);
  text-align: center;
  background: linear-gradient(180deg, #fff8f2 0%, #ffe6ea 100%);
  border-radius: 32px;
  padding: 24px 20px 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

.result-dialog--impact {
  animation: result-bump 0.42s ease;
}

.loading-dialog h2,
.start-dialog h2,
.result-dialog h2 {
  margin: 12px 0 20px;
  font-size: 28px;
  color: #3d1f24;
}

.loading-dialog p,
.start-dialog p {
  margin: 0 0 24px;
  color: #6f474f;
  font-size: 16px;
  line-height: 1.5;
}

.loading-bar {
  width: 100%;
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(61, 31, 36, 0.12);
  box-shadow: inset 0 1px 3px rgba(61, 31, 36, 0.18);
}

.loading-bar__fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #f4a261 0%, #ef476f 100%);
  transition: width 0.18s ease;
}

.loading-percent {
  margin: 14px 0 0;
  font-size: 20px;
  font-weight: 700;
  color: #3d1f24;
}

.result-dialog__image {
  display: block;
  width: min(72vw, 280px);
  margin: 0 auto;
}

.capsule-button {
  min-width: 180px;
  padding: 14px 28px;
  border: 3px solid var(--button-shadow);
  border-radius: 999px;
  background: var(--button-bg);
  color: #161616;
  font-size: 22px;
  font-weight: 700;
  box-shadow: 0 5px 0 var(--button-shadow);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.capsule-button:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 var(--button-shadow);
}

@keyframes drop-in {
  0% {
    transform: translateY(-120vh) scale(0.9);
    opacity: 0;
  }

  75% {
    transform: translateY(10px) scale(1.02);
    opacity: 1;
  }

  100% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes danger-pop {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.08);
  }
}

@keyframes result-bump {
  0% {
    transform: scale(0.9) translateY(14px);
  }

  24% {
    transform: scale(1.04) translateY(-6px);
  }

  44% {
    transform: scale(0.98) translateX(-8px);
  }

  64% {
    transform: scale(1.01) translateX(8px);
  }

  100% {
    transform: scale(1) translate(0, 0);
  }
}

@keyframes result-flash {
  0% {
    background: rgba(0, 0, 0, 0.52);
  }

  50% {
    background: rgba(87, 17, 26, 0.64);
  }

  100% {
    background: rgba(0, 0, 0, 0.52);
  }
}

@media (max-width: 640px) {
  .page {
    padding: 18px 10px 0;
  }

  .page-footer {
    padding: 16px 10px calc(14px + env(safe-area-inset-bottom, 0px));
    font-size: 12px;
  }

  .game-panel {
    margin-top: 18px;
    padding: 10px;
    border-radius: 20px;
  }

  .board-frame {
    border-width: 4px;
    padding: 10px;
  }

  .board {
    gap: 6px;
    padding: 8px;
  }

  .result-dialog h2 {
    font-size: 24px;
  }

  .capsule-button {
    font-size: 20px;
  }
}