:root {
  --text: #49433a;
  --board: #c8c1b2;
  --board-edge: #b7ad98;
  --hole: #a6a096;
  --hole-inner: #8f897f;
  --peg-border: #5e5850;
  --feedback-hole: #b2ab9d;
  --panel-cover: #6c665d;

  --pad: clamp(10px, 2vw, 20px);
  --gap: clamp(6px, 1.2vw, 14px);
  --peg: clamp(20px, 3.4vw, 36px);
  --hole-size: calc(var(--peg) + clamp(6px, 1vw, 10px));
  --font-base: clamp(12px, 1.2vw, 16px);
  --font-title: clamp(16px, 2vw, 22px);
}

html,
body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100dvh;
  touch-action: manipulation;
  font-family: "Press Start 2P", monospace;
  font-size: var(--font-base);
  color: var(--text);
  background:
    repeating-linear-gradient(45deg, rgba(70, 62, 53, 0.03), rgba(70, 62, 53, 0.03) 3px, transparent 3px, transparent 9px),
    radial-gradient(circle at top, #e5dfd1, #d4cebf 62%, #c9c2b1);
}

.app-shell {
  height: 100dvh;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: var(--pad);
}

.board {
  touch-action: none;
  width: min(92vw, 1100px);
  height: min(100dvh, 920px);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--board);
  border-radius: 20px;
  padding: var(--pad);
  border: 4px solid var(--board-edge);
  box-shadow: inset 3px 3px 5px rgba(255, 255, 255, 0.22), inset -4px -4px 6px rgba(105, 95, 82, 0.35),
    0 12px 20px rgba(75, 67, 57, 0.28);
}

.board-top {
  background: #bcb5a7;
  border-radius: 14px;
  padding: calc(var(--pad) * 0.7);
  margin-bottom: var(--gap);
  box-shadow: inset 2px 2px 3px rgba(255, 255, 255, 0.2), inset -2px -2px 4px rgba(90, 81, 70, 0.35);
}

h1 {
  margin: 0 0 calc(var(--gap) * 0.8);
  text-align: center;
  font-size: var(--font-title);
}

h2 {
  margin: 0 0 calc(var(--gap) * 0.8);
  font-size: clamp(0.6rem, 1.4vw, 0.72rem);
}

.molded-label {
  margin: 0 0 calc(var(--gap) * 0.6);
  font-size: clamp(0.46rem, 1vw, 0.55rem);
  color: #a79f8f;
  opacity: 0.55;
  text-shadow: 1px 1px 0 rgba(80, 74, 64, 0.3), -1px -1px 0 rgba(248, 242, 229, 0.2);
}

.subtitle,
.hint,
.timer-readout {
  margin: 0;
  font-size: clamp(0.48rem, 1vw, 0.58rem);
  line-height: 1.5;
}

.timer-readout {
  margin-top: 0;
  color: #585145;
}

.header-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  margin-top: calc(var(--gap) * 0.5);
}

.sfx-toggle {
  min-height: 34px;
  padding: 0.4rem 0.55rem;
  font-size: clamp(0.42rem, 1vw, 0.52rem);
}

#result-match-code {
  margin: 0.55rem 0;
  font-size: clamp(0.46rem, 1vw, 0.58rem);
}

#copy-result-code-btn {
  margin: 0 auto 0.45rem;
}

.flow-screen,
.game-screen {
  animation: screenIn 180ms ease-out;
  position: relative;
  background: #b7af9f;
  border-radius: 12px;
  padding: calc(var(--pad) * 0.8);
  box-shadow: inset 1px 1px 2px rgba(255, 255, 255, 0.18), inset -2px -2px 4px rgba(94, 84, 72, 0.35);
  margin-bottom: var(--gap);
  grid-row: 2;
  min-height: 0;
}

.game-screen {
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}

.hidden {
  display: none !important;
}

.flow-screen.hidden,
.game-screen.hidden,
.result-modal.hidden,
.stats-body.hidden,
#share-fallback.hidden {
  display: none !important;
}

@keyframes screenIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.board,
.board * {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.match-input,
textarea {
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
}

button,
.slot,
.palette-color {
  -webkit-tap-highlight-color: transparent;
}

.back-btn {
  position: absolute;
  top: calc(var(--pad) * 0.4);
  right: calc(var(--pad) * 0.4);
  min-height: 34px;
  padding: 0.4rem 0.5rem;
}

.action-stack {
  display: grid;
  gap: var(--gap);
  margin-top: var(--gap);
}

.action-stack.horizontal {
  grid-template-columns: repeat(2, minmax(120px, 1fr));
}

.action-stack.horizontal.tri {
  grid-template-columns: repeat(3, minmax(90px, 1fr));
}

button,
.match-input {
  font-family: inherit;
  border: 2px solid #706759;
  border-radius: 8px;
  background: #cdc5b5;
  color: #3f392f;
  box-shadow: inset 1px 1px 2px rgba(255, 255, 255, 0.35), inset -2px -2px 3px rgba(92, 83, 72, 0.32);
}

button {
  cursor: pointer;
  transition: transform 80ms ease-out, filter 120ms ease-out;
  padding: 0.62rem 0.5rem;
  min-height: 44px;
  font-size: clamp(0.44rem, 1.25vw, 0.6rem);
}

button:active {
  transform: scale(0.98);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.leaderboard-list {
  margin-top: var(--gap);
  max-height: 260px;
  overflow: auto;
  padding-right: 4px;
  border-top: 1px dashed rgba(88, 79, 66, 0.35);
}

.leaderboard-row {
  margin: 0;
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(88, 79, 66, 0.25);
}

.match-code {
  margin: var(--gap) 0 0;
  font-size: clamp(0.85rem, 3.8vw, 1.1rem);
  text-align: center;
  letter-spacing: 2px;
}

.match-input {
  margin-top: var(--gap);
  width: 100%;
  padding: 0.7rem;
  min-height: 44px;
  font-size: 0.65rem;
  text-transform: uppercase;
}

.error-message {
  min-height: 0.75rem;
  margin: calc(var(--gap) * 0.65) 0 0;
  color: #6f2f2f;
  font-size: clamp(0.45rem, 1vw, 0.52rem);
}

.setup-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(var(--hole-size), 74px));
  justify-content: center;
  gap: var(--gap);
  margin: var(--gap) 0;
}

.secret-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  max-width: 420px;
  margin: 0 auto var(--gap);
  padding: calc(var(--pad) * 0.5);
  border-radius: 14px;
  background: #a69f90;
  box-shadow: inset 2px 2px 4px rgba(255, 255, 255, 0.22), inset -3px -3px 6px rgba(95, 84, 71, 0.35);
}

.rows {
  display: grid;
  gap: calc(var(--gap) * 0.7);
  margin-bottom: var(--gap);
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
  padding-right: 2px;
}

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--gap);
  align-items: center;
  background: #b7af9f;
  border-radius: 12px;
  padding: calc(var(--pad) * 0.35);
  box-shadow: inset 1px 1px 2px rgba(255, 255, 255, 0.18), inset -2px -2px 4px rgba(94, 84, 72, 0.35);
}

.row.current {
  outline: 2px solid #8f8779;
  background: #bfb6a5;
}

.guess-slots {
  display: grid;
  grid-template-columns: repeat(4, minmax(var(--hole-size), 1fr));
  gap: var(--gap);
}

.feedback-grid {
  width: clamp(50px, 8vw, 58px);
  height: clamp(50px, 8vw, 58px);
  padding: clamp(4px, 0.8vw, 6px);
  display: grid;
  gap: clamp(4px, 0.8vw, 6px);
  grid-template-columns: repeat(2, 1fr);
  border-radius: 10px;
  background: #a59e90;
  box-shadow: inset 1px 1px 2px rgba(255, 255, 255, 0.15), inset -2px -2px 3px rgba(91, 81, 70, 0.38);
}

.slot,
.secret-slot,
.feedback-peg,
.palette-color,
.peg {
  border-radius: 50%;
}

.slot,
.secret-slot {
  width: var(--hole-size);
  height: var(--hole-size);
  min-width: var(--hole-size);
  min-height: var(--hole-size);
  display: grid;
  place-items: center;
  border: 2px solid var(--peg-border);
  background: radial-gradient(circle at 30% 30%, var(--hole), var(--hole-inner));
  box-shadow: inset 2px 2px 4px rgba(255, 255, 255, 0.18), inset -3px -3px 5px rgba(67, 60, 52, 0.48);
  cursor: pointer;
  padding: 0;
}

.secret-slot {
  cursor: default;
}

.secret-slot.hidden-code {
  background: var(--panel-cover);
  border-color: #4e4840;
}

.peg {
  width: var(--peg);
  height: var(--peg);
  border: 1px solid rgba(65, 59, 51, 0.75);
  background: radial-gradient(circle at 30% 30%, #c1b9a9, #8f897f);
  box-shadow: inset 1px 1px 2px rgba(255, 255, 255, 0.25), inset -1px -1px 2px rgba(63, 57, 49, 0.42);
}

.peg.pop {
  animation: pegPop 80ms ease-out;
}

@keyframes pegPop {
  from { transform: scale(0.98); }
  to { transform: scale(1); }
}

.feedback-peg.reveal {
  animation: feedbackSnap 130ms ease-out;
}

@keyframes feedbackSnap {
  from { transform: scale(0.82); opacity: 0.15; }
  to { transform: scale(1); opacity: 1; }
}

.peg.color-0 { background: #c86e68; }
.peg.color-1 { background: #7697c3; }
.peg.color-2 { background: #7ea97e; }
.peg.color-3 { background: #ceb673; }
.peg.color-4 { background: #9f86ba; }
.peg.color-5 { background: #c89a6e; }

.feedback-peg {
  border: 1px solid #696255;
  background: radial-gradient(circle at 30% 30%, var(--feedback-hole), #91897a);
  box-shadow: inset 1px 1px 2px rgba(255, 255, 255, 0.2), inset -1px -1px 2px rgba(70, 63, 53, 0.4);
}

.controls {
  touch-action: manipulation;
  border-radius: 12px;
  padding: calc(var(--pad) * 0.6);
  background: #b6ae9f;
  box-shadow: inset 2px 2px 3px rgba(255, 255, 255, 0.15), inset -2px -2px 4px rgba(92, 83, 71, 0.34);
}

.palette {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
  margin-bottom: var(--gap);
  justify-content: center;
}

.palette-color {
  width: var(--hole-size);
  height: var(--hole-size);
  min-width: var(--hole-size);
  min-height: var(--hole-size);
  border: 2px solid var(--peg-border);
  box-shadow: inset 2px 2px 3px rgba(255, 255, 255, 0.2), inset -2px -2px 4px rgba(70, 63, 54, 0.45);
  cursor: pointer;
}

.action-buttons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

.stats {
  grid-row: 3;
  margin-top: calc(var(--gap) * 0.5);
  border-radius: 10px;
  background: #b9b1a2;
  box-shadow: inset 2px 2px 3px rgba(255, 255, 255, 0.18), inset -2px -2px 3px rgba(95, 86, 74, 0.35);
}

.stats-toggle {
  width: 100%;
  border: none;
  border-radius: 10px;
  text-align: left;
  padding: 0.65rem;
  background: transparent;
  box-shadow: none;
}

.stats-body {
  padding: 0.2rem 0.65rem 0.6rem;
}

.stats p {
  margin: 0.35rem 0;
  font-size: clamp(0.48rem, 1vw, 0.56rem);
}

.result-modal {
  animation: fadeIn 170ms ease-out;
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--pad);
  background: rgba(47, 42, 35, 0.55);
}

.result-card {
  animation: popIn 180ms ease-out;
  width: min(500px, 95%);
  text-align: center;
  border-radius: 16px;
  border: 4px solid #b2a996;
  padding: var(--pad);
  background: #cdc6b8;
  box-shadow: inset 2px 2px 4px rgba(255, 255, 255, 0.2), inset -3px -3px 5px rgba(99, 90, 78, 0.32);
}

.revealed-code {
  margin: var(--gap) auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(var(--hole-size), 56px));
  justify-content: center;
  gap: var(--gap);
}


.share-fallback {
  margin: 0.6rem 0;
}

#share-btn {
  margin: 0.3rem auto 0.1rem;
}

#share-fallback-text {
  width: 100%;
  min-height: 120px;
  font-family: inherit;
  font-size: 0.55rem;
  line-height: 1.4;
  padding: 0.5rem;
  border: 2px solid #706759;
  border-radius: 8px;
  background: #d7d0c2;
  color: #3f392f;
}


@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

.date-toggle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: var(--gap);
}

.podium {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: var(--gap);
}

.podium-card {
  border: 2px solid #8f8779;
  border-radius: 10px;
  background: #c4bcac;
  padding: 0.45rem;
  box-shadow: inset 1px 1px 2px rgba(255,255,255,0.24), inset -2px -2px 3px rgba(96,86,73,0.3);
  opacity: 0;
  animation: rowIn 180ms ease-out forwards;
}

.podium-rank {
  font-size: 0.7rem;
  margin-bottom: 0.3rem;
}

.leaderboard-row {
  opacity: 0;
  animation: rowIn 180ms ease-out forwards;
}

@keyframes rowIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.leaderboard-row.you-row {
  background: rgba(143, 135, 121, 0.2);
  outline: 1px solid #8f8779;
  border-radius: 6px;
  padding-left: 0.3rem;
}

.leaderboard-skeleton {
  display: grid;
  gap: 6px;
  margin-top: var(--gap);
}

.leaderboard-skeleton::before,
.leaderboard-skeleton::after {
  content: "";
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(180,170,155,0.5), rgba(210,200,185,0.8), rgba(180,170,155,0.5));
  background-size: 220% 100%;
  animation: shimmer 1.2s linear infinite;
}

@keyframes shimmer {
  from { background-position: 220% 0; }
  to { background-position: -20% 0; }
}

.lb-footnote {
  margin-top: var(--gap);
  opacity: 0.8;
}

#leaderboard-updated,
#leaderboard-your-rank {
  margin-top: 0.45rem;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}


.howto-title {
  margin: 0.65rem 0 0.35rem;
  font-size: clamp(0.5rem, 1.1vw, 0.6rem);
}

.howto-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.25rem;
}

.howto-list li {
  line-height: 1.45;
}

.howto-note {
  margin-top: 0.65rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 520px) {
  :root {
    --pad: 10px;
    --gap: 6px;
    --peg: 18px;
  }

  .action-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .action-buttons button:last-child {
    grid-column: 1 / -1;
  }

  .action-stack.horizontal,
  .action-stack.horizontal.tri {
    grid-template-columns: 1fr;
  }

  .controls {
    position: sticky;
    bottom: 0;
    z-index: 10;
    border: 2px solid rgba(101, 93, 80, 0.35);
  }

  .game-screen {
    padding-bottom: calc(var(--pad) * 0.4);
  }

  .board {
    border-radius: 14px;
  }
}

@media (min-width: 521px) and (max-width: 899px) {
  .board {
    width: min(92vw, 1000px);
  }
}

@media (min-width: 900px) {
  :root {
    --gap: clamp(8px, 1.2vw, 16px);
  }

  .board {
    margin-inline: auto;
  }

  .flow-screen,
  .game-screen {
    padding: calc(var(--pad) * 0.9);
  }
}