:root {
  color-scheme: dark;
  --bg: #101525;
  --ink: #fff8ee;
  --muted: #b9c4d8;
  --line: rgba(255, 255, 255, 0.18);
  --panel: rgba(12, 21, 42, 0.94);
  --blue: #54c7ff;
  --store-blue: #1266ff;
  --yellow: #ffd166;
  --green: #42d97b;
  --gray: #445066;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 209, 102, 0.16), transparent 27%),
    radial-gradient(circle at 82% 10%, rgba(84, 199, 255, 0.22), transparent 30%),
    linear-gradient(155deg, #08122d 0%, #122f5f 52%, #090f1f 100%);
  color: var(--ink);
  touch-action: manipulation;
  user-select: none;
}

button {
  font: inherit;
}

.shell {
  display: grid;
  width: 100vw;
  height: 100dvh;
  padding: max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right))
    max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  place-items: center;
}

.game {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: clamp(6px, 1.15dvh, 10px);
  width: min(100%, 520px);
  height: min(100%, 920px);
  min-height: 0;
}

.brand-header {
  display: grid;
  min-height: clamp(42px, 8dvh, 58px);
  place-items: center;
  text-align: center;
}

.words-logo {
  color: transparent;
  font-size: clamp(1.6rem, min(7.4dvw, 5.8dvh), 3.05rem);
  font-weight: 1000;
  line-height: 0.9;
  background: linear-gradient(90deg, #ffd166 0%, #54c7ff 42%, #42d97b 78%, #fff8ee 100%);
  background-clip: text;
  -webkit-background-clip: text;
  filter: drop-shadow(0 5px 0 rgba(5, 10, 24, 0.5)) drop-shadow(0 0 16px rgba(84, 199, 255, 0.34));
  letter-spacing: 0;
  text-transform: uppercase;
}

.site-tag {
  margin-top: 3px;
  color: rgba(255, 248, 238, 0.78);
  font-size: clamp(0.62rem, min(2.2dvw, 1.9dvh), 0.88rem);
  font-weight: 900;
  letter-spacing: 0.08em;
}

.topbar {
  display: grid;
  gap: clamp(5px, 0.9dvh, 8px);
}

.metrics-row,
.top-actions {
  display: grid;
  align-items: center;
  gap: clamp(5px, 1.2dvw, 10px);
}

.metrics-row {
  grid-template-columns: 1fr 1fr 1fr;
}

.top-actions {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.metric {
  min-width: 84px;
  padding: clamp(5px, 1dvh, 8px) 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
}

.metric.center {
  text-align: center;
}

.metric.right {
  text-align: right;
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 2px;
  font-size: clamp(0.95rem, 2.6dvh, 1.12rem);
}

.board-wrap {
  position: relative;
  display: grid;
  min-height: 0;
  place-items: center;
}

.confetti-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 3;
}

.confetti-piece {
  position: absolute;
  left: var(--x);
  top: -18px;
  width: 9px;
  height: 14px;
  border-radius: 3px;
  opacity: 0;
  transform: translateX(-50%) rotate(0deg);
  animation: confettiFall var(--duration) ease-out var(--delay) forwards;
}

.word-board {
  display: grid;
  width: auto;
  height: min(100%, 360px, calc(100dvh - 282px));
  min-height: 210px;
  aspect-ratio: 5 / 6;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(6, 1fr);
  gap: clamp(4px, 1dvh, 7px);
}

.tile {
  display: grid;
  border: 2px solid rgba(255, 255, 255, 0.24);
  border-radius: clamp(5px, 1.2dvh, 8px);
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-size: clamp(1.15rem, min(8dvw, 5dvh), 2.35rem);
  font-weight: 1000;
  text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 12px 22px rgba(0, 0, 0, 0.18);
  transition: transform 160ms ease, background 220ms ease, border-color 220ms ease;
}

.tile.filled {
  transform: scale(1.03);
  border-color: rgba(255, 255, 255, 0.52);
}

.tile.correct {
  border-color: #2f9f58;
  background: linear-gradient(145deg, #42d97b, #1d8747);
}

.tile.present {
  border-color: #54c7ff;
  background: linear-gradient(145deg, #bdefff, #54c7ff);
  color: #071225;
}

.tile.absent {
  border-color: #4e596f;
  background: linear-gradient(145deg, #667086, #30384a);
}

.tile.pop {
  animation: tilePop 180ms ease-out;
}

.keyboard {
  display: grid;
  gap: clamp(4px, 0.8dvh, 6px);
}

.key-row {
  display: flex;
  justify-content: center;
  gap: clamp(3px, 0.8dvw, 5px);
}

.key {
  min-width: 0;
  height: clamp(34px, 6.2dvh, 43px);
  flex: 1 1 0;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.16);
  color: var(--ink);
  cursor: pointer;
  font-weight: 950;
  text-transform: uppercase;
}

.key.wide {
  flex: 1.55 1 0;
  font-size: 0.78rem;
}

.key.correct {
  background: #2f9f58;
}

.key.present {
  background: #54c7ff;
  color: #071225;
}

.key.absent {
  background: #3b4558;
  color: rgba(255, 248, 238, 0.62);
}

.small-button,
.secondary-button,
.primary-button,
.arcade-button,
.store-button {
  min-height: clamp(38px, 6.4dvh, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--ink);
  cursor: pointer;
  font-weight: 900;
}

.small-button {
  min-height: clamp(36px, 5.8dvh, 44px);
  padding: 0 8px;
  font-size: clamp(0.72rem, min(3.1dvw, 1.8dvh), 0.9rem);
}

.small-button:disabled {
  cursor: default;
  opacity: 0.55;
}

.buy-button {
  border-color: rgba(84, 199, 255, 0.62);
  background: rgba(84, 199, 255, 0.24);
}

.hint-button {
  border-color: rgba(255, 209, 102, 0.62);
  background: rgba(255, 209, 102, 0.18);
}

.key.hinted {
  outline: 3px solid #ffd166;
  outline-offset: -3px;
  box-shadow: 0 0 18px rgba(255, 209, 102, 0.34);
}

.primary-button {
  border: 0;
  background: var(--blue);
  color: #111314;
  box-shadow: 0 10px 28px rgba(84, 199, 255, 0.24);
}

.secondary-button,
.arcade-button,
.store-button {
  width: 100%;
  margin-top: 10px;
}

.arcade-button {
  border-color: rgba(84, 199, 255, 0.48);
  background: rgba(84, 199, 255, 0.34);
}

.store-button {
  border-color: rgba(84, 199, 255, 0.42);
  background: rgba(84, 199, 255, 0.14);
}

.toast {
  position: absolute;
  left: 50%;
  top: 42%;
  max-width: min(86%, 340px);
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(8, 14, 30, 0.9);
  color: var(--ink);
  font-weight: 950;
  opacity: 0;
  pointer-events: none;
  text-align: center;
  transform: translate(-50%, -50%) scale(0.95);
}

.toast.error {
  background: linear-gradient(145deg, #ffe07a, #ffd166);
  color: #211a05;
  box-shadow: 0 14px 34px rgba(255, 209, 102, 0.3);
}

.toast.success {
  background: linear-gradient(145deg, #74d7ff, #54c7ff);
  color: #fff;
  text-shadow: 0 1px 2px rgba(7, 18, 37, 0.45);
  box-shadow: 0 14px 34px rgba(84, 199, 255, 0.28);
}

.toast.pop {
  animation: toastPop var(--toast-duration, 2500ms) ease-out;
}

.toast.error.pop {
  --toast-duration: 2500ms;
}

.toast.success.pop {
  --toast-duration: 2600ms;
}

.overlay {
  position: fixed;
  inset: 0;
  display: none;
  padding: 18px;
  place-items: center;
  background: rgba(5, 8, 18, 0.68);
  backdrop-filter: blur(10px);
}

.overlay.show {
  display: grid;
}

.panel {
  width: min(100%, 390px);
  max-height: min(92dvh, 760px);
  overflow: auto;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  text-align: center;
}

.kicker {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.panel h1 {
  margin: 0;
  font-size: clamp(2rem, 9dvw, 3.3rem);
  line-height: 0.95;
}

.panel p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.stats-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 16px 0 4px;
}

.stats-panel[hidden],
.secondary-button[hidden] {
  display: none;
}

.stats-panel div {
  padding: 10px 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.stats-panel span {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
}

.stats-panel strong {
  display: block;
  margin-top: 4px;
  font-size: 1.3rem;
}

@keyframes tilePop {
  0% { transform: scale(0.92); }
  75% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

@keyframes toastPop {
  0% { opacity: 0; transform: translate(-50%, -40%) scale(0.92); }
  16% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  76% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -60%) scale(0.96); }
}

@keyframes confettiFall {
  0% {
    opacity: 0;
    transform: translate(-50%, -18px) rotate(0deg);
  }
  12% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(calc(-50% + var(--dx)), 420px) rotate(var(--spin));
  }
}

@media (max-width: 420px) {
  .game {
    gap: 6px;
  }

  .word-board {
    gap: 5px;
  }

  .key {
    height: clamp(32px, 5.9dvh, 40px);
    border-radius: 7px;
    font-size: 0.86rem;
  }

  .metric {
    min-width: 0;
    padding: 7px 8px;
  }
}
.arcade-store-arcade-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.22em;
  width: 100%;
  margin: 0 0 14px;
  border: 2px solid #1266ff;
  background: #ffffff;
  color: #071225;
  box-shadow: 0 0 0 2px rgba(18, 102, 255, 0.16), 0 8px 20px rgba(18, 102, 255, 0.2);
  text-transform: none;
}

.arcade-store-arcade-button span:nth-child(2) {
  color: #1266ff;
  text-transform: uppercase;
}

.arcade-store-arcade-button:hover,
.arcade-store-arcade-button:focus-visible {
  background: #ffffff;
  color: #071225;
  outline: 3px solid rgba(84, 199, 255, 0.55);
  outline-offset: 3px;
}
/* Shared 3D arcade button polish. */
.arcade-store-arcade-button {
  gap: 0;
  border: 2px solid #1266ff;
  background: linear-gradient(180deg, #ffffff 0%, #f2f8ff 44%, #d4e8ff 100%);
  color: #071225;
  box-shadow: inset 0 2px 0 rgba(255,255,255,.95), inset 0 -4px 0 rgba(18,102,255,.2), 0 8px 20px rgba(18,102,255,.22);
  text-shadow: 0 1px 0 rgba(255,255,255,.8);
}

.arcade-store-arcade-button .bleep-blue,
.arcade-store-arcade-button span:nth-child(2) {
  color: #1266ff;
  text-transform: uppercase;
}

.arcade-store-arcade-button:hover,
.arcade-store-arcade-button:focus-visible {
  background: linear-gradient(180deg, #ffffff 0%, #eaf4ff 42%, #bfdcff 100%);
  color: #071225;
  outline: 3px solid rgba(84,199,255,.58);
  outline-offset: 3px;
}

.primary-button {
  background: linear-gradient(180deg, color-mix(in srgb, var(--blue, #54c7ff) 34%, #fff) 0%, var(--blue, #54c7ff) 52%, color-mix(in srgb, var(--blue, #54c7ff) 72%, #071225) 100%);
  box-shadow: inset 0 2px 0 rgba(255,255,255,.42), inset 0 -4px 0 rgba(5,10,24,.22), 0 8px 18px rgba(0,0,0,.26);
}

.secondary-button,
.small-button {
  background: linear-gradient(180deg, color-mix(in srgb, var(--yellow, #ffd166) 34%, #fff) 0%, var(--yellow, #ffd166) 54%, color-mix(in srgb, var(--yellow, #ffd166) 72%, #8a5a00) 100%);
  box-shadow: inset 0 2px 0 rgba(255,255,255,.48), inset 0 -4px 0 rgba(89,51,0,.22), 0 7px 16px rgba(0,0,0,.24);
}

.store-button,
.buy-button {
  background: linear-gradient(180deg, rgba(255,255,255,.2) 0%, rgba(255,255,255,.1) 50%, rgba(5,10,24,.22) 100%);
  box-shadow: inset 0 2px 0 rgba(255,255,255,.2), inset 0 -4px 0 rgba(5,10,24,.22), 0 7px 16px rgba(0,0,0,.22);
}
/* Compact high-score entry row: Initials, City, Save. */
.score-form {
  display: grid;
  grid-template-columns: minmax(4.2rem, 4.9rem) minmax(0, 1fr) auto;
  gap: 6px 8px;
  align-items: end;
}

.score-form label[for="initialsInput"] {
  grid-column: 1;
  grid-row: 1;
}

.score-form label[for="cityInput"] {
  grid-column: 2;
  grid-row: 1;
}

.initials-row {
  display: contents;
}

.initials-row input,
#initialsInput {
  grid-column: 1;
  grid-row: 2;
  width: 4.8rem;
  min-width: 0;
  text-align: center;
}

.city-input,
#cityInput {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
}

.initials-row button,
.score-form button[type="submit"] {
  grid-column: 3;
  grid-row: 2;
  min-width: 4.1rem;
  padding-inline: 10px;
}

.score-form datalist {
  display: none;
}

.score-form .high-score,
#highScoreText {
  grid-column: 1 / -1;
}
/* Keep the Arcade return button visible on initials/end-game overlays. */
.overlay {
  align-items: flex-start !important;
  overflow: auto !important;
  padding-top: max(10px, env(safe-area-inset-top)) !important;
  padding-bottom: max(10px, env(safe-area-inset-bottom)) !important;
}

.panel {
  max-height: calc(100dvh - 20px) !important;
}

.arcade-store-arcade-button {
  position: sticky;
  top: 0;
  z-index: 5;
}