:root {
  --olive: #43551f;
  --olive-dark: #1d2b12;
  --panel: #10200f;
  --brown: #9a5a2c;
  --brown-dark: #5f341d;
  --cream: #fff8e8;
  --gold: #f3ad45;
  --good: #57c86e;
  --bad: #ef6a5b;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { min-height: 100%; }
body {
  margin: 0;
  min-height: 100svh;
  color: var(--cream);
  font-family: ui-rounded, "Arial Rounded MT Bold", system-ui, sans-serif;
  background:
    radial-gradient(circle at 15% 12%, rgba(255,255,255,.10), transparent 24%),
    radial-gradient(circle at 85% 74%, rgba(0,0,0,.25), transparent 28%),
    repeating-linear-gradient(115deg, rgba(255,255,255,.018) 0 2px, transparent 2px 7px),
    var(--olive);
  overscroll-behavior: none;
}

body::before, body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 190px;
  height: 260px;
  opacity: .18;
  pointer-events: none;
  background: linear-gradient(140deg, transparent 40%, #0b1a0b 41% 45%, transparent 46%),
              linear-gradient(45deg, transparent 45%, #0b1a0b 46% 50%, transparent 51%);
}
body::before { left: -60px; bottom: -35px; transform: rotate(-12deg); }
body::after { right: -80px; top: 90px; transform: rotate(22deg); }

button { font: inherit; }
.game-shell {
  width: min(100%, 760px);
  min-height: 100svh;
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 14px calc(18px + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.photo-frame {
  position: relative;
  overflow: hidden;
  flex: 1 1 auto;
  min-height: 280px;
  max-height: 58svh;
  border: 5px solid var(--brown);
  border-radius: 24px;
  background: #151b10;
  box-shadow: 0 7px 0 var(--brown-dark), 0 14px 24px rgba(0,0,0,.24);
}
.photo-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; user-select: none; }
.loading { position: absolute; inset: 0; display: grid; place-items: center; background: #1a2513; }
.image-menu {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 8;
}
.menu-button {
  width:44px;
  height:44px;
  padding:0;
  display:grid;
  place-items:center;
  border:none;
  background:transparent;
  box-shadow:none;
  color:#fff;
  font-size:1.55rem;
  line-height:1;
  cursor:pointer;
}
.menu-button span{
 filter:drop-shadow(0 1px 3px rgba(0,0,0,.9));
}

.menu-button:active, .menu-button[aria-expanded="true"] {
  transform: translateY(2px);
  background:transparent;
}
.link-menu {
  position: absolute;
  top: 51px;
  right: 0;
  width: 154px;
  overflow: hidden;
  border: 2px solid var(--brown);
  border-radius: 13px;
  background: rgba(12, 25, 12, .96);
  box-shadow: 0 8px 20px rgba(0,0,0,.34);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}
.link-menu a,
.link-menu button {
  min-height: 46px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  color: var(--cream);
  font-weight: 850;
  text-decoration: none;
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.link-menu > * + * { border-top: 1px solid rgba(255,255,255,.16); }
.link-menu a:active, .link-menu button:active { background: var(--brown-dark); }

.answers { display: grid; gap: 9px; }
.answer-button {
  width: 100%; min-height: 58px; padding: 9px 13px;
  display: grid; grid-template-columns: 43px 1fr; align-items: center; gap: 8px;
  border: 3px solid var(--brown); border-radius: 17px;
  color: white; background: linear-gradient(#122410, #0c190c);
  box-shadow: 0 5px 0 var(--brown-dark), 0 8px 14px rgba(0,0,0,.16);
  text-align: left; cursor: pointer; touch-action: manipulation;
  transition: transform .08s ease, box-shadow .08s ease, border-color .16s ease;
}
.answer-button .letter { color: var(--gold); font-size: 1.45rem; font-weight: 1000; }
.answer-button .answer-text { font-size: clamp(.96rem, 4.4vw, 1.25rem); font-weight: 850; line-height: 1.08; }
.answer-button.is-pressed { transform: translateY(5px) scale(.995); box-shadow: 0 0 0 var(--brown-dark); filter: brightness(1.18); }
.answer-button.correct { border-color: var(--good); background: #12381d; box-shadow: 0 5px 0 #276936; }
.answer-button.wrong { border-color: var(--bad); background: #3d1714; box-shadow: 0 5px 0 #7d2f27; }
.answer-button.eliminated { border-color: #3f3f3f; background: #181818; box-shadow: 0 5px 0 #0d0d0d; color: #6f6f6f; }
.answer-button.eliminated .letter { color: #6f6f6f; }
.answer-button:disabled { cursor: default; opacity: .72; }


.screen-flash {
  position: fixed; inset: 0; z-index: 50; pointer-events: none;
  background:
    radial-gradient(circle at center,
      rgba(210, 22, 22, .12) 38%,
      rgba(170, 0, 0, .72) 100%),
    rgba(210, 22, 22, .38);
  opacity: 0;
}
.screen-flash.show { animation: wrong-answer-red 1s ease-in-out; }
@keyframes wrong-answer-red {
  0% { opacity: 0; }
  45% { opacity: 1; }
  55% { opacity: 1; }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .screen-flash { display: none; }
}

.wrong-vignette {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 49;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(circle at center,
      transparent 38%,
      rgba(150, 0, 0, .95) 100%);
  transition: opacity .35s ease;
}

.wrong-vignette.show {
  opacity: var(--wrong-vignette-opacity, .22);
}

@media (prefers-reduced-motion: reduce) {
  .wrong-vignette { transition: none; }
}
.confetti-canvas {
  position: fixed; inset: 0; z-index: 60; width: 100%; height: 100%;
  pointer-events: none; display: none;
}
.confetti-canvas.active { display: block; }

@media (min-width: 640px) and (min-height: 780px) {
  .game-shell { padding-left: 24px; padding-right: 24px; }
  .answers { grid-template-columns: 1fr 1fr; }
}
@media (max-height: 700px) {
  .game-shell { gap: 8px; }
  .photo-frame { min-height: 190px; max-height: 38svh; }
  .answer-button { min-height: 50px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* Ensure the HTML hidden attribute wins over component display rules. */
[hidden] {
  display: none !important;
}

.settings-backdrop {
  position: fixed; inset: 0; z-index: 80; padding: 20px;
  display: grid; place-items: center; background: rgba(0,0,0,.58);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.settings-panel {
  width: min(100%, 420px); padding: 20px; border: 3px solid var(--brown);
  border-radius: 20px; background: #10200f; box-shadow: 0 14px 36px rgba(0,0,0,.45);
}
.settings-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.settings-heading h2 { margin: 0; font-size: 1.45rem; }
.settings-close { border: 0; background: transparent; color: white; font-size: 2rem; line-height: 1; cursor: pointer; }
.setting-group { margin: 18px 0 0; padding: 0; border: 0; }
.setting-group legend { margin-bottom: 10px; color: var(--gold); font-weight: 900; }
.setting-group label {
  display: flex; align-items: center; gap: 11px; min-height: 50px; padding: 10px 12px;
  border: 2px solid var(--brown); border-radius: 13px; background: #0c190c; font-weight: 850; cursor: pointer;
}
.setting-group label + label { margin-top: 9px; }
.setting-group input { width: 20px; height: 20px; accent-color: var(--gold); }


.photo-frame img.black-and-white {
  filter: grayscale(1);
}
.toggle-setting input[type="checkbox"] {
  width: 22px;
  height: 22px;
}

#snakeImage.has-source-link {
  cursor: pointer;
}

#snakeImage.has-source-link:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.95);
  outline-offset: -5px;
}


/* Larger dropdown menu controls on phones while retaining the compact desktop menu. */
@media (max-width: 768px) {
  .link-menu {
    width: 200px;
  }

  .link-menu a,
  .link-menu button {
    min-height: 58px;
    padding: 16px 18px;
    font-size: 1.35rem;
    line-height: 1.2;
  }
}

/* Two-column gameplay for landscape phones and tablets, but not large desktop screens. */
@media (orientation: landscape) and (min-width: 560px) and (max-width: 1100px),
       (min-width: 720px) and (min-height: 600px) and (max-width: 1100px),
       (hover: none) and (pointer: coarse) and (min-width: 720px) {
  .game-shell {
    width: min(100%, 1180px);
    height: 100svh;
    min-height: 0;
    padding: max(10px, env(safe-area-inset-top))
             max(12px, env(safe-area-inset-right))
             max(12px, calc(env(safe-area-inset-bottom) + 8px))
             max(12px, env(safe-area-inset-left));
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, .85fr);
    grid-template-rows: minmax(0, 1fr);
    align-items: stretch;
    gap: clamp(12px, 2.2vw, 24px);
  }

  .photo-frame {
    min-width: 0;
    min-height: 0;
    max-height: none;
    height: 100%;
  }

  .answers {
    min-width: 0;
    min-height: 0;
    grid-template-columns: 1fr;
    align-content: center;
    gap: clamp(8px, 1.6vh, 14px);
    overflow-y: auto;
    padding: 5px 4px 9px 0;
  }

  .answer-button {
    min-height: clamp(54px, 17vh, 84px);
    padding: 10px 14px;
  }

  .answer-button .answer-text {
    font-size: clamp(1rem, 2.25vw, 1.35rem);
  }
}

/* Keep controls compact enough on especially short landscape phones. */
@media (orientation: landscape) and (max-height: 480px) and (min-width: 560px) {
  .game-shell {
    padding-top: max(7px, env(safe-area-inset-top));
    padding-bottom: max(9px, env(safe-area-inset-bottom));
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, .9fr);
    gap: 11px;
  }

  .photo-frame {
    border-width: 4px;
    border-radius: 18px;
  }

  .answers {
    gap: 7px;
    padding-top: 2px;
    padding-bottom: 7px;
  }

  .answer-button {
    min-height: 0;
    height: calc((100svh - 49px) / 4);
    max-height: 72px;
    padding: 6px 11px;
    border-radius: 14px;
    grid-template-columns: 36px 1fr;
  }

  .answer-button .letter {
    font-size: 1.2rem;
  }

  .answer-button .answer-text {
    font-size: clamp(.9rem, 2.4vw, 1.12rem);
  }
}


/* Keep Settings usable on short landscape phone screens. */
@media (orientation: landscape) and (max-height: 560px) {
  .settings-backdrop {
    padding: max(8px, env(safe-area-inset-top))
             max(10px, env(safe-area-inset-right))
             max(8px, env(safe-area-inset-bottom))
             max(10px, env(safe-area-inset-left));
    place-items: start center;
    overflow-y: auto;
  }

  .settings-panel {
    width: min(100%, 620px);
    max-height: calc(100svh - 16px);
    padding: 14px 16px 16px;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .settings-heading {
    position: sticky;
    top: -14px;
    z-index: 2;
    margin: -14px -16px 0;
    padding: 12px 16px 8px;
    background: #10200f;
  }

  .settings-heading h2 { font-size: 1.25rem; }
  .setting-group { margin-top: 10px; }
  .setting-group legend { margin-bottom: 6px; }
  .setting-group label {
    min-height: 42px;
    padding: 7px 10px;
  }
  .setting-group label + label { margin-top: 6px; }
}

/* Statistics panel */
.statistics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.statistics-grid div {
  min-height: 92px;
  padding: 14px 10px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 5px;
  border: 2px solid var(--brown);
  border-radius: 14px;
  background: #0c190c;
  text-align: center;
}
.statistics-grid strong { color: var(--gold); font-size: 1.7rem; }
.statistics-grid span { font-size: .9rem; font-weight: 800; }
.statistics-note { margin: 14px 2px 0; opacity: .82; font-size: .88rem; line-height: 1.35; }
.reset-statistics {
  width: 100%; min-height: 48px; margin-top: 16px;
  border: 2px solid var(--brown); border-radius: 13px;
  color: white; background: #311713; font-weight: 850; cursor: pointer;
}
@media (min-width: 520px) { .statistics-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.about-panel {
  width: min(94vw, 620px);
  min-height: 250px;
  display: flex;
  flex-direction: column;
}
.about-panel p {
  margin: 18px 0 0;
  white-space: nowrap;
}
.about-commit {
  margin-top: 22px;
  display: grid;
  gap: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.about-author {
  margin-top: auto;
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  white-space: nowrap;
}

.language-flag {
  margin-left: auto;
  font-size: 1.25rem;
  line-height: 1;
}