:root {
  color-scheme: light;
  --color-bg: #dff3bd;
  --color-surface: #ffffff;
  --color-surface-soft: #fff4ec;
  --color-text: #31130f;
  --color-muted: #5e3f32;
  --color-primary: #c4122f;
  --color-primary-strong: #8d0f22;
  --color-accent: #ffe27a;
  --color-belt: #51464b;
  --color-belt-line: #d4c1b5;
  --color-focus: #0b6fba;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --shadow-soft: 0 1rem 3rem rgb(74 20 32 / 14%);
  --space-page: clamp(1rem, 4vw, 3rem);
  --transition-fast: 160ms ease;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --color-bg: #132617;
    --color-surface: #241a1e;
    --color-surface-soft: #39242b;
    --color-text: #fff5f1;
    --color-muted: #d3b6bd;
    --color-primary: #ff4d5f;
    --color-primary-strong: #8d0f22;
    --color-accent: #ffe177;
    --color-belt: #665a60;
    --color-belt-line: #33282d;
    --color-focus: #8ed0ff;
    --shadow-soft: 0 1rem 3rem rgb(0 0 0 / 30%);
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-bg);
  color: var(--color-text);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  display: inline-grid;
  place-items: center;
  min-height: 3.25rem;
  border: 0.16rem solid rgb(255 255 255 / 72%);
  border-radius: 999px;
  padding: 0.72rem clamp(1rem, 5vw, 2rem);
  background:
    radial-gradient(circle at 13% 26%, rgb(255 255 255 / 70%) 0 7%, transparent 8%),
    linear-gradient(180deg, #f34a58, #b80f2b);
  box-shadow:
    inset 0 0.26rem 0 rgb(255 255 255 / 26%),
    0 0.45rem 1rem rgb(38 82 26 / 24%);
  color: #ffffff;
  font: inherit;
  font-size: clamp(0.95rem, 3.3vw, 1.15rem);
  font-weight: 1000;
  letter-spacing: 0.04em;
  line-height: 1;
  text-transform: uppercase;
  text-shadow: none;
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

button:hover {
  border-color: rgb(255 255 255 / 92%);
  transform: translateY(-0.12rem) scale(1.01);
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 20;
  transform: translateY(-150%);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  background: var(--color-primary);
  color: white;
}

.skip-link:focus {
  transform: translateY(0);
}

.game-shell {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: var(--space-page);
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 12%, rgb(255 239 122 / 78%) 0 6rem, transparent 6.1rem),
    linear-gradient(180deg, #b7e98b 0 45%, #86c85d 45% 72%, #4f8d3e 72% 100%);
}

.game-shell::before,
.game-shell::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.game-shell::before {
  inset-inline: -6rem;
  inset-block-end: 12%;
  height: 54%;
  background:
    radial-gradient(circle at 12% 34%, #2f8f48 0 5.8rem, transparent 5.9rem),
    radial-gradient(circle at 21% 20%, #3ba75b 0 6.7rem, transparent 6.8rem),
    radial-gradient(circle at 30% 37%, #287d3e 0 5.4rem, transparent 5.5rem),
    radial-gradient(circle at 73% 25%, #3fa85b 0 7rem, transparent 7.1rem),
    radial-gradient(circle at 84% 39%, #2d8846 0 5.8rem, transparent 5.9rem),
    linear-gradient(90deg, transparent 0 17%, #7d4b2d 17% 19%, transparent 19% 78%, #704327 78% 80%, transparent 80%);
  opacity: 0.96;
}

.game-shell::after {
  inset-inline: -10%;
  inset-block-end: -3%;
  height: 25%;
  background:
    radial-gradient(60% 80% at 18% 10%, #3f842e 0 48%, transparent 49%),
    radial-gradient(80% 75% at 72% 0%, #4f9d38 0 48%, transparent 49%),
    linear-gradient(180deg, #5aa33b, #2f6e2f);
}

.game-panel,
.play-area {
  width: min(62rem, 100%);
}

.game-panel {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 1rem;
  width: min(34rem, 100%);
  border: 0;
  border-radius: 0;
  padding: clamp(1rem, 4vw, 2rem);
  background: transparent;
  box-shadow: none;
  text-align: center;
}

.kicker {
  margin: 0;
  color: #315d25;
  font-size: clamp(0.92rem, 3.8vw, 1.2rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  text-shadow: none;
}

h1,
h2,
p {
  margin-block: 0;
}

h1 {
  color: var(--color-primary);
  font-size: clamp(3.6rem, 16vw, 7.4rem);
  font-weight: 1000;
  letter-spacing: 0;
  line-height: 0.82;
  text-transform: uppercase;
  text-shadow: 0 0.22rem 0 rgb(255 255 255 / 70%);
}

h2 {
  font-size: clamp(1.6rem, 6vw, 2.4rem);
}

.subtitle {
  max-width: 28rem;
  border-radius: 999px;
  padding: 0.55rem 1rem;
  background: rgb(255 255 255 / 76%);
  color: #315d25;
  font-size: clamp(0.92rem, 2vw, 1.05rem);
  font-weight: 750;
}

.home-actions,
.game-controls,
.difficulty-grid {
  display: grid;
  gap: 0.95rem;
}

.home-actions {
  width: min(26rem, 100%);
  max-width: none;
  margin-block-start: clamp(1rem, 4vw, 2.2rem);
}

.home-actions button,
.difficulty-grid button {
  min-height: clamp(4rem, 11vw, 5.2rem);
  padding: 0.8rem clamp(1.2rem, 7vw, 3rem);
  font-size: clamp(1.45rem, 7vw, 2.6rem);
  letter-spacing: 0.05em;
}

.home-actions button:hover,
.difficulty-grid button:hover,
.dialog-actions button:hover {
  transform: translateY(-0.2rem) scale(1.02);
}

.difficulty-grid {
  grid-template-columns: 1fr;
  width: min(26rem, 100%);
  max-width: none;
}

.difficulty-grid button {
  display: grid;
  gap: 0.3rem;
  align-content: center;
  font-size: clamp(1.15rem, 5vw, 2rem);
}

.difficulty-grid span {
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 850;
  text-shadow: none;
}

.play-area {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0;
}

.hud {
  position: absolute;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  width: 5.8rem;
}

.hud > span {
  min-width: 0;
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.62rem;
  border: 1px solid rgb(255 255 255 / 18%);
  background: color-mix(in srgb, var(--color-surface), transparent 10%);
  box-shadow: 0 0.8rem 1.6rem rgb(0 0 0 / 18%);
  color: var(--color-muted);
  font-weight: 700;
  text-align: center;
  backdrop-filter: blur(14px);
  display: grid;
  gap: 0.22rem;
}

.hud strong {
  color: var(--color-text);
  font-size: 1.08rem;
  line-height: 1;
}

.game-canvas {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 24rem;
  border: 1px solid color-mix(in srgb, var(--color-belt), transparent 45%);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  touch-action: none;
}

.game-menu-button {
  position: absolute;
  inset-block-start: 0.75rem;
  inset-inline-end: 0.75rem;
  z-index: 4;
  display: grid;
  place-items: center;
  gap: 0.19rem;
  width: 3.15rem;
  min-height: 3.15rem;
  padding: 0;
}

.game-menu-button span {
  width: 1.18rem;
  height: 0.15rem;
  border-radius: 999px;
  background: currentColor;
}

.instructions {
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 650;
  text-align: center;
}

.game-dialog {
  max-width: min(26rem, calc(100% - 2rem));
  border: 1px solid color-mix(in srgb, var(--color-primary), transparent 72%);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}

.game-dialog::backdrop {
  background: rgb(20 10 14 / 62%);
}

.dialog-kicker {
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dialog-actions {
  display: grid;
  gap: 0.65rem;
  width: min(20rem, 100%);
  margin-inline: auto;
  margin-block-start: 1rem;
}

.dialog-actions button {
  width: 100%;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin-block-start: 1rem;
}

.result-grid p {
  display: grid;
  gap: 0.25rem;
  border: 1px solid color-mix(in srgb, var(--color-primary), transparent 80%);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  background: var(--color-surface-soft);
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 750;
}

.result-grid strong {
  color: var(--color-text);
  font-size: 1.3rem;
}

.toast {
  position: fixed;
  inset-inline: 1rem;
  inset-block-end: 1rem;
  max-width: 24rem;
  margin: auto;
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  background: var(--color-primary);
  color: white;
  text-align: center;
  transform: translateY(180%);
  transition: transform var(--transition-fast);
}

.toast.is-visible {
  transform: translateY(0);
}

.is-hidden {
  display: none;
}

@media (max-width: 42rem) {
  :root {
    --space-page: 0.75rem;
  }

  body:has([data-current-screen="play"]) {
    overflow: hidden;
  }

  .game-shell {
    min-height: 100dvh;
    padding-block: 0.65rem;
  }

  [data-current-screen="play"] {
    min-height: 100dvh;
    padding: 0.5rem;
  }

  .hud {
    inset-block-start: 0.5rem;
    inset-inline-start: 0.5rem;
    grid-template-columns: 1fr;
    gap: 0.3rem;
    width: 4.9rem;
  }

  .hud > span {
    min-height: 2.7rem;
    padding: 0.38rem 0.28rem;
    font-size: 0.68rem;
    line-height: 1.15;
  }

  .play-area {
    height: calc(100dvh - 1rem);
    gap: 0;
  }

  .game-canvas {
    height: 100%;
    min-height: 0;
    aspect-ratio: auto;
    border-radius: var(--radius-sm);
  }

  .instructions {
    display: none;
  }

  [data-current-screen="play"] {
    place-items: stretch;
  }

  [data-current-screen="play"] .play-area {
    width: 100%;
  }

  .game-menu-button {
    inset-block-start: 0.5rem;
    inset-inline-end: 0.5rem;
    width: 3rem;
    min-height: 3rem;
  }

  .game-panel {
    align-content: center;
    min-height: min(42rem, calc(100dvh - 1.5rem));
  }

  .home-actions,
  .difficulty-grid {
    max-width: none;
  }

  .home-actions button,
  .difficulty-grid button,
  .dialog-actions button {
    width: 100%;
  }

  .subtitle {
    display: none;
  }

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