:root {
  --bg: #f4f1eb;
  --panel: #fffdf8;
  --panel-strong: #ffffff;
  --text: #191714;
  --muted: #6f6a62;
  --line: #d8d0c3;
  --tile: #fffaf0;
  --tile-line: #b8ad9d;
  --key: #e4ded3;
  --key-hover: #d8d0c3;
  --correct: #26745a;
  --correct-ink: #ffffff;
  --present: #b98322;
  --present-ink: #16130e;
  --absent: #5e615f;
  --absent-ink: #ffffff;
  --danger: #bf4b46;
  --focus: #246bfe;
  --shadow: 0 18px 50px rgba(57, 46, 28, 0.12);
  --radius: 8px;
  --tile-size: clamp(48px, 12.2vw, 68px);
  --gap: clamp(6px, 1.6vw, 9px);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  --bg: #181817;
  --panel: #21211f;
  --panel-strong: #292925;
  --text: #f6f1e8;
  --muted: #aaa295;
  --line: #3e3c37;
  --tile: #242420;
  --tile-line: #696357;
  --key: #36352f;
  --key-hover: #46443c;
  --correct: #3d9b76;
  --correct-ink: #08120e;
  --present: #d2a246;
  --present-ink: #18120a;
  --absent: #555853;
  --absent-ink: #f9f4ea;
  --danger: #e06861;
  --focus: #8db2ff;
  --shadow: 0 18px 54px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0) 220px),
    var(--bg);
  color: var(--text);
  overflow-x: hidden;
  user-select: none;
}

button,
textarea {
  font: inherit;
}

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

button:focus-visible,
.pill:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.app-shell {
  width: min(100%, 620px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) 14px max(12px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 12px;
}

.topbar {
  height: 62px;
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 10px;
}

.brand {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand h1 {
  margin: 0;
  font-size: clamp(22px, 5vw, 32px);
  letter-spacing: 0;
  line-height: 1;
}

.brand p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.lock-mark {
  width: 27px;
  height: 24px;
  border: 3px solid var(--text);
  border-radius: 6px;
  position: relative;
  flex: 0 0 auto;
}

.lock-mark::before {
  content: "";
  position: absolute;
  width: 15px;
  height: 14px;
  border: 3px solid var(--text);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
  left: 3px;
  top: -15px;
}

.header-actions {
  display: flex;
  gap: 7px;
}

.icon-button,
.close-button {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  font-weight: 800;
  box-shadow: none;
}

.icon-button:hover,
.close-button:hover,
.secondary-button:hover,
.primary-button:hover,
.mode-button:hover {
  background: var(--key-hover);
}

.game-panel {
  display: grid;
  grid-template-rows: auto auto minmax(0, auto) auto auto;
  gap: 12px;
  align-content: start;
}

.mode-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 4px;
  background: var(--key);
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.mode-button {
  min-height: 40px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.mode-button.active {
  background: var(--panel-strong);
  color: var(--text);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
}

.status-row {
  min-height: 38px;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 76px;
  align-items: center;
  gap: 8px;
}

.pill {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  display: grid;
  place-items: center;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.timer {
  font-variant-numeric: tabular-nums;
  cursor: default;
}

.message {
  min-height: 34px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--text);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.message.warn {
  color: var(--danger);
}

.board-wrap {
  display: grid;
  place-items: center;
  min-height: calc((var(--tile-size) * 6) + (var(--gap) * 5));
}

.board {
  display: grid;
  grid-template-rows: repeat(6, var(--tile-size));
  gap: var(--gap);
  touch-action: manipulation;
}

.row {
  display: grid;
  grid-template-columns: repeat(5, var(--tile-size));
  gap: var(--gap);
}

.tile {
  width: var(--tile-size);
  height: var(--tile-size);
  border: 2px solid var(--tile-line);
  border-radius: var(--radius);
  background: var(--tile);
  color: var(--text);
  display: grid;
  place-items: center;
  position: relative;
  font-size: clamp(28px, 7.4vw, 40px);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  transform-style: preserve-3d;
  transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease, transform 110ms ease;
}

.tile.current {
  border-color: var(--text);
  box-shadow: inset 0 0 0 1px var(--text);
}

.tile.filled {
  animation: pop 105ms ease-out;
  border-color: var(--text);
}

.tile.correct,
.tile.present,
.tile.absent {
  color: var(--correct-ink);
  border-color: transparent;
}

.tile.correct {
  background: var(--correct);
}

.tile.present {
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0 7px, rgba(255, 255, 255, 0) 7px 14px),
    var(--present);
  color: var(--present-ink);
  border: 3px solid color-mix(in srgb, var(--present) 70%, var(--text));
}

.tile.absent {
  background: var(--absent);
  color: var(--absent-ink);
}

.tile .mark {
  position: absolute;
  right: 5px;
  bottom: 3px;
  font-size: 12px;
  font-weight: 900;
  opacity: 0.95;
}

.tile.flip {
  animation: flip 430ms ease both;
}

.row.shake {
  animation: shake 360ms ease;
}

.row.win .tile {
  animation: bounce 520ms ease both;
}

.hint-bar {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  min-height: 40px;
}

.hint-bar[hidden] {
  display: none;
}

.hint-bar span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.2;
}

.primary-button,
.secondary-button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 16px;
  cursor: pointer;
  font-weight: 900;
  text-transform: uppercase;
}

.primary-button {
  background: var(--text);
  color: var(--panel);
  border-color: var(--text);
}

.secondary-button {
  background: var(--panel);
  color: var(--text);
}

.secondary-button:disabled {
  opacity: 0.5;
  cursor: default;
}

.keyboard {
  display: grid;
  gap: 7px;
  width: 100%;
  touch-action: manipulation;
}

.key-row {
  display: grid;
  gap: 6px;
}

.key-row:nth-child(1) {
  grid-template-columns: repeat(10, minmax(0, 1fr));
}

.key-row:nth-child(2) {
  grid-template-columns: 0.45fr repeat(9, minmax(0, 1fr)) 0.45fr;
}

.key-row:nth-child(3) {
  grid-template-columns: 1.42fr repeat(7, minmax(0, 1fr)) 1.42fr;
}

.key {
  min-width: 0;
  min-height: clamp(46px, 9.6vh, 58px);
  border: 0;
  border-radius: 7px;
  background: var(--key);
  color: var(--text);
  cursor: pointer;
  font-size: clamp(12px, 3.1vw, 16px);
  font-weight: 900;
  text-transform: uppercase;
  display: grid;
  place-items: center;
  padding: 0 2px;
}

.key.wide {
  font-size: clamp(10px, 2.6vw, 13px);
}

.key:active {
  transform: translateY(1px);
}

.key.correct {
  background: var(--correct);
  color: var(--correct-ink);
}

.key.present {
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0 6px, rgba(255, 255, 255, 0) 6px 12px),
    var(--present);
  color: var(--present-ink);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--present) 70%, var(--text));
}

.key.absent {
  background: var(--absent);
  color: var(--absent-ink);
  opacity: 0.78;
}

.toast {
  position: fixed;
  left: 50%;
  top: max(12px, env(safe-area-inset-top));
  transform: translate(-50%, -12px);
  pointer-events: none;
  opacity: 0;
  background: var(--text);
  color: var(--panel);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 900;
  text-transform: uppercase;
  z-index: 20;
  transition: opacity 140ms ease, transform 140ms ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.modal {
  border: 0;
  background: transparent;
  padding: 16px;
  width: min(100%, 680px);
  color: var(--text);
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(3px);
}

.modal-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 22px;
  animation: modal-in 150ms ease;
}

.modal-card.wide {
  width: min(100%, 660px);
}

.modal-card h2 {
  margin: 0 44px 12px 0;
  font-size: 28px;
  letter-spacing: 0;
}

.modal-card h3 {
  margin: 18px 0 10px;
  font-size: 15px;
  text-transform: uppercase;
}

.modal-card p {
  color: var(--muted);
  line-height: 1.45;
}

.close-button {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 24px;
}

.examples {
  display: grid;
  grid-template-columns: repeat(5, 46px);
  gap: 7px;
  margin: 16px 0;
}

.example-tile {
  width: 46px;
  height: 46px;
  border-radius: 7px;
  border: 2px solid var(--tile-line);
  display: grid;
  place-items: center;
  position: relative;
  font-size: 26px;
  font-weight: 900;
}

.example-tile span {
  position: absolute;
  right: 4px;
  bottom: 1px;
  font-size: 11px;
}

.example-tile.correct {
  background: var(--correct);
  color: var(--correct-ink);
  border-color: transparent;
}

.example-tile.present {
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0 6px, rgba(255, 255, 255, 0) 6px 12px),
    var(--present);
  color: var(--present-ink);
}

.example-tile.absent {
  background: var(--absent);
  color: var(--absent-ink);
  border-color: transparent;
}

.rule-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.stat-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  padding: 10px;
}

.stat-card strong {
  display: block;
  font-size: 24px;
}

.stat-card span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 800;
}

.distribution {
  display: grid;
  gap: 7px;
}

.dist-row {
  display: grid;
  grid-template-columns: 18px 1fr 34px;
  gap: 8px;
  align-items: center;
  font-weight: 800;
}

.dist-track {
  height: 18px;
  background: var(--key);
  border-radius: 999px;
  overflow: hidden;
}

.dist-bar {
  height: 100%;
  min-width: 5%;
  background: var(--correct);
  border-radius: 999px;
}

.result-kicker {
  margin: 0 0 4px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--correct);
}

.result-meta {
  display: grid;
  gap: 7px;
  margin: 14px 0;
  color: var(--muted);
  font-weight: 750;
}

.share-box {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.share-box textarea {
  width: 100%;
  min-height: 132px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  color: var(--text);
  padding: 10px;
  user-select: text;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
}

.confetti {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 19;
}

@keyframes pop {
  50% {
    transform: scale(1.075);
  }
}

@keyframes flip {
  0% {
    transform: rotateX(0);
  }
  48% {
    transform: rotateX(90deg);
  }
  52% {
    transform: rotateX(90deg);
  }
  100% {
    transform: rotateX(0);
  }
}

@keyframes shake {
  10%, 90% {
    transform: translateX(-2px);
  }
  20%, 80% {
    transform: translateX(4px);
  }
  30%, 50%, 70% {
    transform: translateX(-6px);
  }
  40%, 60% {
    transform: translateX(6px);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  35% {
    transform: translateY(-9px);
  }
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
}

@media (max-width: 520px) {
  :root {
    --tile-size: min(16.5vw, 58px);
    --gap: 6px;
  }

  .app-shell {
    padding-left: 8px;
    padding-right: 8px;
    gap: 8px;
  }

  .topbar {
    grid-template-columns: 38px 1fr auto;
    height: 58px;
    gap: 6px;
  }

  .icon-button {
    width: 36px;
    height: 38px;
  }

  .header-actions {
    gap: 4px;
  }

  .brand {
    gap: 7px;
  }

  .brand p {
    display: none;
  }

  .lock-mark {
    width: 22px;
    height: 20px;
    border-width: 2px;
  }

  .lock-mark::before {
    width: 12px;
    height: 11px;
    border-width: 2px;
    top: -12px;
  }

  .game-panel {
    gap: 8px;
  }

  .status-row {
    grid-template-columns: 76px minmax(0, 1fr) 66px;
    gap: 5px;
  }

  .pill {
    padding: 0 6px;
    font-size: 11px;
  }

  .hint-bar {
    grid-template-columns: 82px 1fr;
    gap: 7px;
  }

  .secondary-button,
  .primary-button {
    padding: 0 11px;
  }

  .key-row {
    gap: 4px;
  }

  .keyboard {
    gap: 5px;
  }

  .key {
    min-height: clamp(44px, 8.2vh, 52px);
    border-radius: 6px;
  }

  .modal {
    padding: 8px;
  }

  .modal-card {
    padding: 18px;
  }

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

@media (max-height: 720px) {
  .app-shell {
    gap: 6px;
  }

  .topbar {
    height: 50px;
  }

  .brand p {
    display: none;
  }

  .game-panel {
    gap: 7px;
  }

  .hint-bar {
    min-height: 34px;
  }

  .hint-bar span {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}