:root {
  --bg: #f7f9f9;
  --bg-2: #e8f5fd;
  --surface: rgba(255, 255, 255, .86);
  --surface-strong: rgba(255, 255, 255, .96);
  --surface-soft: rgba(255, 255, 255, .90);
  --ink: #0f1419;
  --muted: #536471;
  --muted-2: #657786;
  --line: rgba(83, 100, 113, .24);
  --brand: #1da1f2;
  --brand-dark: #0a85d9;
  --brand-soft: rgba(29, 161, 242, .12);
  --gold: #1da1f2;
  --gold-soft: #e8f5fd;
  --board-shell: #15202b;
  --board-cell: rgba(255, 255, 255, .14);
  --shadow-soft: 0 10px 28px rgba(15, 20, 25, .08);
  --shadow-card: 0 22px 60px rgba(15, 20, 25, .12);
  --shadow-board: 0 26px 70px rgba(15, 32, 43, .22);
  --radius-lg: 0px;
  --radius-md: 0px;
  --board-size: min(98vw, calc(50dvh - 8px));
  --safe-pad: env(safe-area-inset-bottom, 0px);
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  background:
    radial-gradient(circle at 15% 8%, rgba(29, 161, 242, .16), transparent 30%),
    radial-gradient(circle at 88% 16%, rgba(29, 161, 242, .10), transparent 26%),
    linear-gradient(135deg, #ffffff, var(--bg) 42%, var(--bg-2));
  color: var(--ink);
  overflow: hidden;
}

button {
  font: inherit;
}

h1,
h2,
p {
  margin: 0;
}

.app-shell {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: grid;
  grid-template-columns: 100%;
  grid-template-rows: 12.5% 12.5% 50% 12.5% 12.5%;
  grid-template-areas:
    "header"
    "adtop"
    "game"
    "variants"
    "adbottom";
  isolation: isolate;
}

.layout-panel {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.site-header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(10px, 2vw, 22px);
  padding: clamp(10px, 2vw, 20px) clamp(14px, 3vw, 32px);
  background: linear-gradient(180deg, rgba(255, 255, 255, .86), rgba(255, 255, 255, .58));
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

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


.brand-copy {
  min-width: 0;
}

.eyebrow {
  color: var(--brand);
  font-size: clamp(9px, 1.8vw, 11px);
  font-weight: 900;
  letter-spacing: .13em;
  line-height: 1.1;
  text-transform: uppercase;
}

.site-header h1 {
  margin-top: 2px;
  color: var(--ink);
  font-size: clamp(24px, 5vw, 48px);
  line-height: .94;
  letter-spacing: -.055em;
  white-space: nowrap;
}

.tagline {
  margin-top: 5px;
  color: var(--muted);
  font-size: clamp(11px, 2vw, 15px);
  line-height: 1.25;
  max-width: 38ch;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(8px, 1.6vw, 14px);
  flex: 0 0 auto;
}

.score-wrap {
  display: flex;
  gap: 8px;
}

.score-box {
  min-width: clamp(62px, 13vw, 92px);
  padding: 8px 10px;
  border-radius: 17px;
  text-align: center;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  box-shadow: 0 8px 20px rgba(43, 33, 23, .08);
}

.score-box span {
  display: block;
  color: var(--muted-2);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.score-box strong {
  display: block;
  margin-top: 2px;
  color: var(--brand-dark);
  font-size: clamp(17px, 3.3vw, 26px);
  line-height: 1;
}

.primary-btn,
.variation-btn {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  transition: transform .15s ease, filter .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.primary-btn {
  padding: 11px 17px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fffaf0;
  font-weight: 900;
  box-shadow: 0 12px 26px rgba(24, 61, 36, .22);
}


.primary-btn:hover,
.variation-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.primary-btn:active,
.variation-btn:active {
  transform: translateY(0) scale(.98);
}

.ad-panel {
  display: grid;
  place-items: center;
  padding: clamp(9px, 2vw, 20px) clamp(12px, 3vw, 26px);
}

.ad-panel-top {
  grid-area: adtop;
}

.ad-panel-bottom {
  grid-area: adbottom;
}

.ad-placeholder {
  width: min(100%, 760px);
  height: 100%;
  min-height: 46px;
  border-radius: clamp(16px, 3vw, 24px);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  text-align: center;
  background:
    repeating-linear-gradient(135deg, rgba(47, 101, 57, .045) 0 10px, rgba(217, 146, 53, .05) 10px 20px),
    var(--surface-soft);
  border: 1px dashed rgba(92, 69, 44, .28);
  color: var(--muted);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.52), var(--shadow-soft);
}

.ad-placeholder span {
  color: var(--ink);
  font-size: clamp(12px, 2.6vw, 18px);
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ad-placeholder small {
  color: var(--muted-2);
  font-size: clamp(10px, 1.8vw, 12px);
  line-height: 1.1;
}

.compact-ad {
  background:
    repeating-linear-gradient(135deg, rgba(24, 61, 36, .05) 0 10px, rgba(217, 146, 53, .04) 10px 20px),
    rgba(255, 255, 255, .56);
}

.game-panel {
  grid-area: game;
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(3px, .8vw, 8px);
}

.game-panel::before {
  content: "";
  position: absolute;
  inset: 1%;
  z-index: -1;
  border-radius: 42px;
  background:
    radial-gradient(circle at 28% 16%, rgba(47, 101, 57, .10), transparent 32%),
    radial-gradient(circle at 70% 82%, rgba(217, 146, 53, .16), transparent 36%);
  pointer-events: none;
}

.game-card {
  width: var(--board-size);
  max-width: 100%;
  display: grid;
  gap: 0;
  padding: clamp(4px, .75vw, 8px);
  border-radius: clamp(24px, 4vw, 36px);
  background: linear-gradient(180deg, rgba(255, 255, 255, .88), rgba(255, 249, 239, .76));
  border: 1px solid rgba(92, 69, 44, .13);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
}

.game-topline {
  display: none;
  min-height: 0;
  place-items: center;
  color: var(--muted);
  font-size: clamp(12px, 2.2vw, 15px);
  font-weight: 850;
}

.game-topline p {
  width: 100%;
  max-width: 34ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
  padding: 9px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  border: 1px solid rgba(47, 101, 57, .12);
}

.dog-board {
  width: 100%;
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: clamp(5px, 1vw, 10px);
  padding: clamp(6px, .9vw, 10px);
  border-radius: clamp(19px, 3.2vw, 29px);
  background:
    linear-gradient(145deg, #a28268, var(--board-shell));
  box-shadow: var(--shadow-board), inset 0 0 0 1px rgba(255,255,255,.18);
  touch-action: none;
  user-select: none;
}

.tile {
  border-radius: clamp(13px, 2.3vw, 21px);
  display: grid;
  place-items: center;
  text-align: center;
  color: #2b160b;
  font-weight: 900;
  box-shadow: inset 0 -5px 0 rgba(0,0,0,.08), 0 9px 16px rgba(54, 35, 17, .13);
  overflow: hidden;
}

.tile.empty {
  background: var(--board-cell);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.16);
}

.tile-content {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  line-height: 1;
}

.dog-image-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  overflow: hidden;
}

.dog-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.05) 0%, rgba(0,0,0,0) 32%, rgba(0,0,0,.18) 100%);
  pointer-events: none;
}

.dog-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

.dog-value {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 1;
  min-width: 30px;
  padding: 4px 7px;
  border-radius: 999px;
  background: rgba(255, 250, 240, .92);
  color: #2b160b;
  box-shadow: 0 6px 14px rgba(0,0,0,.14);
  font-size: clamp(10px, 2.6vw, 17px);
}


.tile.v2 { background: #fff4dd; }
.tile.v4 { background: #ffe6bf; }
.tile.v8 { background: #ffd493; }
.tile.v16 { background: #ffc078; }
.tile.v32 { background: #f1a766; }
.tile.v64 { background: #dd8654; color: white; }
.tile.v128 { background: #f5d779; }
.tile.v256 { background: #e9bd55; }
.tile.v512 { background: #d99c3e; color: white; }
.tile.v1024 { background: #bd7734; color: white; }
.tile.v2048 {
  background: linear-gradient(145deg, #fff5a7, #e7b23f);
  color: #261706;
  box-shadow: 0 0 38px rgba(231, 178, 63, .42), inset 0 -5px 0 rgba(0,0,0,.08);
}
.tile.v4096 { background: #ffffff; color: #151515; }

.variation-panel {
  grid-area: variants;
  display: grid;
  place-items: center;
  padding: clamp(9px, 2vw, 20px) clamp(12px, 3vw, 26px);
}

.panel-inner {
  width: min(100%, 780px);
  height: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2.2vw, 24px);
  padding: clamp(10px, 1.8vw, 18px);
  border-radius: clamp(18px, 3vw, 26px);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.variation-copy {
  min-width: 0;
  flex: 0 0 auto;
}

.panel-inner h2 {
  margin-top: 2px;
  color: var(--ink);
  font-size: clamp(18px, 3.6vw, 34px);
  letter-spacing: -.04em;
  line-height: .98;
}

.panel-inner p:not(.eyebrow) {
  margin-top: 5px;
  color: var(--muted);
  font-size: clamp(11px, 2vw, 14px);
  line-height: 1.25;
  max-width: 34ch;
}

.variation-list {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  padding: 4px 2px 5px;
  scrollbar-width: thin;
}

.variation-btn {
  padding: 9px 13px;
  background: rgba(255, 255, 255, .76);
  color: var(--brand-dark);
  border: 1px solid rgba(47, 101, 57, .13);
  font-weight: 900;
  box-shadow: 0 7px 16px rgba(43, 33, 23, .07);
}

.variation-btn.active {
  background: linear-gradient(135deg, var(--gold-soft), #ffffff);
  color: #744511;
  border-color: rgba(217, 146, 53, .36);
  box-shadow: 0 10px 24px rgba(217, 146, 53, .18);
}

.primary-btn:focus-visible,
.variation-btn:focus-visible {
  outline: 3px solid rgba(217, 146, 53, .42);
  outline-offset: 3px;
}

.message-layer {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(45, 36, 28, .30);
  padding: 22px;
  backdrop-filter: blur(4px);
}

.message-layer.hidden {
  display: none;
}

.message-card {
  width: min(92%, 360px);
  padding: 26px;
  border-radius: 28px;
  background: rgba(255, 250, 240, .96);
  color: var(--ink);
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(92, 69, 44, .13);
}

.message-card h2 {
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.04em;
}

.message-card p {
  margin: 10px 0 18px;
  color: var(--muted);
  line-height: 1.45;
}

@media (orientation: landscape) {
  :root {
    --board-size: min(49vw, calc(100dvh - 18px));
  }

  .app-shell {
    grid-template-columns: 25% 50% 25%;
    grid-template-rows: 50% 50%;
    grid-template-areas:
      "header game variants"
      "adtop game adbottom";
  }

  .site-header {
    align-items: stretch;
    justify-content: space-between;
    flex-direction: column;
    gap: 16px;
    padding: clamp(16px, 2.4vw, 30px);
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .brand-block {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .site-header h1 {
    white-space: normal;
    max-width: 7ch;
    font-size: clamp(30px, 5.2vw, 58px);
  }

  .tagline {
    max-width: 23ch;
  }

  .header-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .score-wrap {
    width: 100%;
  }

  .score-box {
    flex: 1;
    min-width: 0;
  }

  .primary-btn {
    width: 100%;
  }

  .ad-placeholder {
    width: 100%;
  }

  .game-card {
    padding: clamp(12px, 1.6vw, 18px);
  }

  .variation-panel {
    align-items: stretch;
  }

  .panel-inner {
    align-items: stretch;
    justify-content: flex-start;
    flex-direction: column;
    width: 100%;
  }

  .panel-inner p:not(.eyebrow) {
    max-width: 25ch;
  }

  .variation-list {
    display: grid;
    grid-template-columns: 1fr;
    align-content: start;
    overflow-y: auto;
    overflow-x: hidden;
  }

  .variation-btn {
    text-align: left;
    width: 100%;
  }

  .dog-value {
    font-size: clamp(9px, 1.45vw, 16px);
  }
}

@media (max-width: 720px) and (orientation: portrait) {
  :root {
    --board-size: min(98vw, calc(50dvh - 8px));
  }

  .site-header {
    padding: 8px 11px;
  }

  .tagline,
  .panel-inner p:not(.eyebrow),
  .ad-placeholder small {
    display: none;
  }

  .header-actions {
    gap: 7px;
  }

  .score-box {
    min-width: 58px;
    padding: 7px 8px;
    border-radius: 15px;
  }

  .primary-btn {
    padding: 9px 12px;
  }

  .panel-inner {
    padding: 8px 10px;
  }

  .variation-list {
    gap: 7px;
  }

  .variation-btn {
    padding: 8px 11px;
  }
}

@media (max-width: 520px) and (orientation: portrait) {
  .eyebrow {
    display: none;
  }

  .site-header h1 {
    font-size: clamp(22px, 7vw, 30px);
  }

  .score-wrap .score-box:nth-child(2) {
    display: none;
  }

  .primary-btn {
    font-size: 13px;
  }

  .game-card {
    padding: 5px;
  }

  .game-topline {
    min-height: 30px;
  }

  .game-topline p {
    max-width: 28ch;
    padding: 7px 9px;
  }

  .panel-inner h2 {
    font-size: 17px;
  }
}


@media (orientation: landscape) and (max-height: 430px) {
  :root {
    --board-size: min(48vw, calc(100dvh - 12px));
  }

  .site-header {
    padding: 9px;
    gap: 8px;
  }

  .brand-block {
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }

  .site-header .eyebrow,
  .tagline,
  .panel-inner .eyebrow,
  .panel-inner p:not(.eyebrow),
  .ad-placeholder small {
    display: none;
  }

  .site-header h1 {
    max-width: none;
    white-space: nowrap;
    font-size: clamp(18px, 3.8vw, 23px);
    line-height: 1;
    letter-spacing: -.045em;
  }

  .header-actions {
    gap: 6px;
  }

  .score-wrap .score-box:nth-child(2) {
    display: none;
  }

  .score-box {
    padding: 5px 7px;
    border-radius: 13px;
  }

  .score-box span {
    font-size: 8px;
  }

  .score-box strong {
    font-size: 17px;
  }

  .primary-btn {
    padding: 7px 10px;
    font-size: 12px;
  }

  .ad-panel,
  .variation-panel,
  .game-panel {
    padding: 7px;
  }

  .ad-placeholder {
    min-height: 0;
    border-radius: 15px;
  }

  .ad-placeholder span {
    font-size: 10px;
    letter-spacing: .06em;
  }

  .game-card {
    gap: 0;
    padding: 4px;
    border-radius: 20px;
  }

  .game-topline {
    min-height: 24px;
    font-size: 10px;
  }

  .game-topline p {
    max-width: 24ch;
    padding: 6px 8px;
  }

  .dog-board {
    gap: 4px;
    padding: 5px;
    border-radius: 18px;
  }

  .tile {
    border-radius: 12px;
  }

  .dog-value {
    top: 4px;
    right: 4px;
    min-width: 24px;
    padding: 3px 5px;
    font-size: clamp(8px, 1.3vw, 13px);
  }

  .panel-inner {
    gap: 7px;
    padding: 8px;
    border-radius: 17px;
  }

  .panel-inner h2 {
    font-size: clamp(15px, 2.3vw, 19px);
    line-height: 1;
  }

  .variation-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    overflow: hidden;
    padding: 0;
  }

  .variation-btn {
    min-width: 0;
    width: 100%;
    padding: 6px 5px;
    text-align: center;
    font-size: 10px;
    line-height: 1.05;
    white-space: normal;
    border-radius: 13px;
  }
}

@media (orientation: landscape) and (max-width: 700px) and (max-height: 360px) {
  :root {
    --board-size: min(47vw, calc(100dvh - 12px));
  }

  .game-topline p {
    max-width: 20ch;
  }
}

@media (max-width: 360px) and (orientation: portrait) {
  .site-header {
    gap: 6px;
  }

  .site-header h1 {
    font-size: 20px;
  }

  .score-box {
    min-width: 52px;
    padding-inline: 6px;
  }

  .primary-btn {
    padding-inline: 10px;
  }

  .variation-btn {
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}


/* Footer links inside the reserved bottom placement */
.bottom-stack {
  width: min(100%, 760px);
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 6px;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: clamp(10px, 1.8vw, 12px);
  line-height: 1;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 800;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--brand-dark);
  text-decoration: underline;
}

/* Standard SEO/legal pages */
.content-body {
  min-height: 100%;
  overflow: auto;
  background:
    radial-gradient(circle at 18% 12%, rgba(47, 101, 57, .12), transparent 30%),
    radial-gradient(circle at 86% 18%, rgba(217, 146, 53, .14), transparent 28%),
    linear-gradient(135deg, var(--bg), #fff9ef 42%, var(--bg-2));
}

.page-shell {
  width: min(100% - 32px, 980px);
  margin: 0 auto;
  padding: 28px 0 42px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0 22px;
}

.page-brand {
  color: var(--ink);
  font-size: clamp(26px, 6vw, 42px);
  line-height: .95;
  letter-spacing: -.055em;
  text-decoration: none;
  font-weight: 950;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 14px;
}

.page-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 850;
  font-size: 14px;
}

.page-nav a:hover,
.page-nav a:focus-visible {
  color: var(--brand-dark);
  text-decoration: underline;
}
.page-nav a[aria-current="page"] {
  color: var(--brand-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}


.content-card {
  padding: clamp(22px, 4vw, 44px);
  border-radius: clamp(24px, 4vw, 36px);
  background: rgba(255, 255, 255, .82);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
}

.content-card h1 {
  font-size: clamp(34px, 7vw, 62px);
  line-height: .92;
  letter-spacing: -.06em;
  margin-bottom: 14px;
}

.content-card h2 {
  margin-top: 28px;
  margin-bottom: 8px;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.content-card p,
.content-card li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.content-card p + p {
  margin-top: 12px;
}

.content-card ul {
  margin: 10px 0 0;
  padding-left: 22px;
}

.content-card a {
  color: var(--brand-dark);
  font-weight: 850;
}

.content-note {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--brand-soft);
  border: 1px solid rgba(47, 101, 57, .13);
}

.page-footer {
  padding: 20px 0 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 620px) {
  .page-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .page-nav {
    justify-content: flex-start;
  }
}

@media (orientation: landscape) and (max-height: 430px) {
  .bottom-stack {
    gap: 3px;
  }

  .footer-links {
    min-height: 24px;
    gap: 3px 5px;
    padding: 2px 4px;
    font-size: 9px;
  }

  .footer-links a {
    min-height: 20px;
    padding: 3px 5px;
  }
}

/* Stronger main-page footer navigation visibility */
.footer-links {
  min-height: 34px;
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .88);
  border: 1px solid rgba(47, 101, 57, .18);
  box-shadow: 0 8px 18px rgba(43, 33, 23, .10);
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 6px 11px;
  border-radius: 999px;
  background: rgba(47, 101, 57, .09);
  color: var(--brand-dark);
  font-weight: 950;
  letter-spacing: -.01em;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  background: var(--brand-dark);
  color: #fffaf0;
  text-decoration: none;
}

@media (max-width: 430px) and (orientation: portrait) {
  .footer-links {
    gap: 4px;
    padding: 4px 5px;
  }

  .footer-links a {
    min-height: 25px;
    padding: 5px 7px;
    font-size: 10px;
  }
}

/* V9: square-corner UI refinement */
:root {
  --radius-lg: 0px;
  --radius-md: 0px;
}

.site-header,
.score-box,
.primary-btn,
.variation-btn,
.ad-placeholder,
.compact-ad,
.game-card,
.dog-board,
.tile,
.tile-content,
.dog-image-wrap,
.dog-image-wrap::after,
.dog-value,
.message-layer,
.message-card,
.panel-inner,
.bottom-stack,
.footer-links,
.footer-links a,
.content-card,
.content-note,
.page-brand,
.page-nav a {
  border-radius: 0 !important;
}

.primary-btn,
.variation-btn,
.footer-links a {
  letter-spacing: .01em;
}

.game-card,
.panel-inner,
.ad-placeholder,
.content-card {
  border-width: 1px;
}

/* V10: game persistence + interaction polish */
.tile {
  transform: translateZ(0);
  will-change: transform, opacity, filter;
  transition: transform .16s ease, filter .16s ease, box-shadow .16s ease;
}

.tile:not(.empty):hover {
  filter: brightness(1.04);
}

.tile.spawn .tile-content {
  animation: tile-spawn .22s cubic-bezier(.2, .9, .2, 1.25);
}

.tile.merged .tile-content {
  animation: tile-merge .28s cubic-bezier(.16, 1, .3, 1);
}

.tile.moved .tile-content {
  animation: tile-settle .14s ease-out;
}

.dog-board.board-activity {
  animation: board-activity .16s ease-out;
}

.score-bump {
  animation: score-bump .24s cubic-bezier(.16, 1, .3, 1);
}

.high-tile {
  background: linear-gradient(145deg, #183d24, #2f6539) !important;
  color: #fffaf0;
}

.high-tile .dog-value {
  background: rgba(255, 250, 240, .94);
  color: #183d24;
}

@keyframes tile-spawn {
  0% {
    opacity: .15;
    transform: scale(.62);
  }
  64% {
    opacity: 1;
    transform: scale(1.08);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes tile-merge {
  0% {
    transform: scale(1);
  }
  45% {
    transform: scale(1.14);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes tile-settle {
  0% {
    transform: scale(.96);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes board-activity {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(.995);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes score-bump {
  0% {
    transform: translateY(0) scale(1);
  }
  55% {
    transform: translateY(-2px) scale(1.12);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

.tile.moved.slide-left .tile-content {
  animation: slide-from-right .18s ease-out;
}

.tile.moved.slide-right .tile-content {
  animation: slide-from-left .18s ease-out;
}

.tile.moved.slide-up .tile-content {
  animation: slide-from-bottom .18s ease-out;
}

.tile.moved.slide-down .tile-content {
  animation: slide-from-top .18s ease-out;
}

@keyframes slide-from-right {
  0% { transform: translateX(20%); }
  100% { transform: translateX(0); }
}

@keyframes slide-from-left {
  0% { transform: translateX(-20%); }
  100% { transform: translateX(0); }
}

@keyframes slide-from-bottom {
  0% { transform: translateY(20%); }
  100% { transform: translateY(0); }
}

@keyframes slide-from-top {
  0% { transform: translateY(-20%); }
  100% { transform: translateY(0); }
}

/* V11: original 2048-style CSS tile animation system */
.dog-board {
  --tile-gap: clamp(5px, 1vw, 10px);
  --board-inner-padding: clamp(6px, .9vw, 10px);
  position: relative !important;
  display: block !important;
  padding: var(--board-inner-padding) !important;
  gap: 0 !important;
  overflow: hidden;
}

.grid-container,
.tile-container {
  position: absolute;
  inset: var(--board-inner-padding);
}

.grid-container {
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: var(--tile-gap);
}

.grid-cell {
  background: var(--board-cell);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.16);
}

.tile-container {
  z-index: 2;
}

.tile {
  --x: 0;
  --y: 0;
  position: absolute !important;
  width: calc((100% - (var(--tile-gap) * 3)) / 4);
  height: calc((100% - (var(--tile-gap) * 3)) / 4);
  transform: translate(
    calc(var(--x) * (100% + var(--tile-gap))),
    calc(var(--y) * (100% + var(--tile-gap)))
  );
  transition: transform 100ms ease-in-out;
  z-index: 2;
  will-change: transform;
  overflow: visible !important;
}

.tile-source {
  z-index: 3;
}

.tile-merged {
  z-index: 4;
}

.tile-inner {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: inherit;
  background: inherit;
  box-shadow: inset 0 -5px 0 rgba(0,0,0,.08), 0 9px 16px rgba(54, 35, 17, .13);
}

.tile-content {
  width: 100%;
  height: 100%;
}

.tile.tile-new .tile-inner {
  animation: tile-appear 200ms ease 100ms;
  animation-fill-mode: backwards;
}

.tile.tile-merged .tile-inner {
  animation: tile-pop 200ms ease 100ms;
  animation-fill-mode: backwards;
}

.dog-value {
  border-radius: 0 !important;
}

@keyframes tile-appear {
  0% {
    opacity: 0;
    transform: scale(0);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes tile-pop {
  0% {
    transform: scale(0);
  }

  50% {
    transform: scale(1.2);
  }

  100% {
    transform: scale(1);
  }
}

@media (orientation: landscape) and (max-height: 430px) {
  .dog-board {
    --tile-gap: 4px;
    --board-inner-padding: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tile,
  .tile-inner {
    transition: none !important;
    animation: none !important;
  }
}

/* V13: Twitter-inspired blue/white theme */
.site-header {
  background: rgba(255, 255, 255, .92) !important;
  border-bottom-color: #cfd9de !important;
}

.eyebrow {
  color: var(--brand) !important;
}

.site-header h1,
.panel-inner h2,
.content-card h1,
.content-card h2 {
  color: #0f1419 !important;
}

.primary-btn {
  background: #1da1f2 !important;
  color: #ffffff !important;
  box-shadow: 0 10px 24px rgba(29, 161, 242, .24) !important;
}

.primary-btn:hover,
.primary-btn:focus-visible {
  background: #0d8ee0 !important;
}

.score-box,
.panel-inner,
.game-card,
.content-card,
.message-card {
  background: rgba(255, 255, 255, .94) !important;
  border-color: #cfd9de !important;
}

.score-box span {
  color: #657786 !important;
}

.score-box strong {
  color: #0f1419 !important;
}

.ad-placeholder {
  background:
    repeating-linear-gradient(135deg, rgba(29, 161, 242, .055) 0 10px, rgba(15, 32, 43, .035) 10px 20px),
    rgba(255, 255, 255, .84) !important;
  border: 1px dashed #aab8c2 !important;
  color: #536471 !important;
}

.ad-placeholder span {
  color: #0f1419 !important;
}

.compact-ad {
  background:
    repeating-linear-gradient(135deg, rgba(29, 161, 242, .055) 0 10px, rgba(15, 32, 43, .035) 10px 20px),
    rgba(255, 255, 255, .84) !important;
}

.dog-board {
  background: #15202b !important;
  box-shadow: var(--shadow-board), inset 0 0 0 1px rgba(255,255,255,.10) !important;
}

.grid-cell {
  background: rgba(255, 255, 255, .13) !important;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08) !important;
}

.tile-inner {
  box-shadow: inset 0 -4px 0 rgba(0,0,0,.10), 0 8px 16px rgba(15, 20, 25, .16) !important;
}

.dog-value {
  background: rgba(255, 255, 255, .94) !important;
  color: #0f1419 !important;
  box-shadow: 0 6px 14px rgba(15,20,25,.16) !important;
}

.tile.v2 { background: #e8f5fd !important; color: #0f1419 !important; }
.tile.v4 { background: #d5ecfb !important; color: #0f1419 !important; }
.tile.v8 { background: #b9e1fa !important; color: #0f1419 !important; }
.tile.v16 { background: #91d2f7 !important; color: #0f1419 !important; }
.tile.v32 { background: #6cc4f5 !important; color: #0f1419 !important; }
.tile.v64 { background: #45b4f1 !important; color: #ffffff !important; }
.tile.v128 { background: #1da1f2 !important; color: #ffffff !important; }
.tile.v256 { background: #1688d6 !important; color: #ffffff !important; }
.tile.v512 { background: #0f6fb5 !important; color: #ffffff !important; }
.tile.v1024 { background: #0a568d !important; color: #ffffff !important; }
.tile.v2048 { background: #15202b !important; color: #ffffff !important; box-shadow: 0 0 38px rgba(29,161,242,.42), inset 0 -4px 0 rgba(0,0,0,.16) !important; }
.tile.v4096 { background: #0f1419 !important; color: #ffffff !important; }
.tile.high-tile { background: #000000 !important; color: #ffffff !important; }

.variation-btn {
  background: #ffffff !important;
  color: #0f1419 !important;
  border-color: #cfd9de !important;
  box-shadow: 0 7px 16px rgba(15, 20, 25, .07) !important;
}

.variation-btn.active {
  background: #1da1f2 !important;
  color: #ffffff !important;
  border-color: #1da1f2 !important;
  box-shadow: 0 10px 22px rgba(29, 161, 242, .22) !important;
}

.footer-links {
  background: rgba(255,255,255,.95) !important;
  border-color: #cfd9de !important;
}

.footer-links a {
  background: rgba(29, 161, 242, .10) !important;
  color: #0f1419 !important;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  background: #1da1f2 !important;
  color: #ffffff !important;
}

.content-body {
  background:
    radial-gradient(circle at 15% 8%, rgba(29, 161, 242, .16), transparent 30%),
    radial-gradient(circle at 88% 16%, rgba(29, 161, 242, .10), transparent 26%),
    linear-gradient(135deg, #ffffff, #f7f9f9 42%, #e8f5fd) !important;
}

.page-brand,
.content-card a {
  color: #1da1f2 !important;
}

.page-nav a {
  color: #536471 !important;
}

.page-nav a:hover,
.page-nav a:focus-visible {
  color: #1da1f2 !important;
}

.content-note {
  background: rgba(29, 161, 242, .10) !important;
  border-color: rgba(29, 161, 242, .22) !important;
}

/* V14: cleaner light Twitter board */
.dog-board {
  background: #ffffff !important;
  border: 1px solid #cfd9de !important;
  box-shadow:
    0 18px 44px rgba(15, 20, 25, .10),
    inset 0 0 0 1px rgba(255,255,255,.80) !important;
}

.grid-cell {
  background: #eff3f4 !important;
  border: 1px solid #d7e1e7 !important;
  box-shadow: none !important;
}

.tile-inner {
  background: #ffffff !important;
  border: 1px solid #d7e1e7 !important;
  box-shadow: 0 6px 14px rgba(15, 20, 25, .10) !important;
}

.dog-image-wrap::after {
  background: linear-gradient(
    180deg,
    rgba(255,255,255,.10) 0%,
    rgba(255,255,255,0) 40%,
    rgba(15,20,25,.18) 100%
  ) !important;
}

.dog-value {
  background: rgba(255, 255, 255, .96) !important;
  color: #0f1419 !important;
  border: 1px solid rgba(207, 217, 222, .90) !important;
  box-shadow: 0 5px 12px rgba(15,20,25,.12) !important;
}

/* Image tiles should not depend on strong board colors. Keep tile backing neutral. */
.tile.v2,
.tile.v4,
.tile.v8,
.tile.v16,
.tile.v32,
.tile.v64,
.tile.v128,
.tile.v256,
.tile.v512,
.tile.v1024,
.tile.v2048,
.tile.v4096,
.tile.high-tile {
  background: #ffffff !important;
  color: #0f1419 !important;
}

.tile.v2048 .tile-inner {
  border-color: #1da1f2 !important;
  box-shadow:
    0 0 0 2px rgba(29,161,242,.18),
    0 10px 24px rgba(29,161,242,.20) !important;
}

.tile.high-tile .tile-inner {
  border-color: #0f1419 !important;
}

/* V15: balanced UI-theory color system
   70% warm neutral base, 20% deep navy brand, 10% amber reward accent.
   Designed to keep dog images as the visual focus. */
:root {
  --bg: #f6f1e8;
  --bg-2: #eef2f6;
  --surface: rgba(255, 252, 247, .90);
  --surface-strong: rgba(255, 252, 247, .98);
  --surface-soft: rgba(255, 248, 238, .92);
  --ink: #1f2937;
  --muted: #6b7280;
  --muted-2: #8a8176;
  --line: rgba(31, 41, 55, .14);
  --brand: #243b5a;
  --brand-dark: #14233a;
  --brand-soft: rgba(36, 59, 90, .10);
  --gold: #d9982f;
  --gold-soft: #fff1d6;
  --board-shell: #cdbca7;
  --board-cell: #efe4d5;
  --shadow-soft: 0 10px 28px rgba(31, 41, 55, .08);
  --shadow-card: 0 22px 58px rgba(31, 41, 55, .13);
  --shadow-board: 0 24px 58px rgba(88, 68, 45, .18);
  color-scheme: light;
}

body {
  background:
    radial-gradient(circle at 13% 10%, rgba(217, 152, 47, .16), transparent 30%),
    radial-gradient(circle at 88% 15%, rgba(36, 59, 90, .10), transparent 28%),
    linear-gradient(135deg, #fffaf2, #f6f1e8 45%, #eef2f6) !important;
  color: var(--ink) !important;
}

.site-header {
  background: rgba(255, 252, 247, .94) !important;
  border-bottom-color: rgba(31, 41, 55, .12) !important;
  box-shadow: 0 10px 28px rgba(31, 41, 55, .08) !important;
}

.eyebrow {
  color: #9a6a20 !important;
}

.site-header h1,
.panel-inner h2,
.content-card h1,
.content-card h2 {
  color: #1f2937 !important;
}

.tagline,
.panel-inner p:not(.eyebrow),
.content-card p,
.content-card li,
.page-footer {
  color: #6b7280 !important;
}

.primary-btn {
  background: linear-gradient(135deg, #243b5a, #14233a) !important;
  color: #fffaf2 !important;
  border: 1px solid rgba(255,255,255,.12) !important;
  box-shadow: 0 12px 24px rgba(20, 35, 58, .22) !important;
}

.primary-btn:hover,
.primary-btn:focus-visible {
  background: linear-gradient(135deg, #2f4c72, #1a2d49) !important;
}

.score-box,
.panel-inner,
.game-card,
.content-card,
.message-card {
  background: rgba(255, 252, 247, .95) !important;
  border-color: rgba(31, 41, 55, .12) !important;
  box-shadow: 0 14px 36px rgba(31, 41, 55, .10) !important;
}

.score-box span {
  color: #8a8176 !important;
}

.score-box strong {
  color: #243b5a !important;
}

.game-panel::before {
  background:
    radial-gradient(circle at 28% 16%, rgba(217, 152, 47, .11), transparent 34%),
    radial-gradient(circle at 72% 82%, rgba(36, 59, 90, .10), transparent 38%) !important;
}

.dog-board {
  background: #cdbca7 !important;
  border: 1px solid rgba(112, 88, 60, .24) !important;
  box-shadow:
    0 20px 48px rgba(88, 68, 45, .18),
    inset 0 1px 0 rgba(255,255,255,.28) !important;
}

.grid-cell {
  background: #efe4d5 !important;
  border: 1px solid rgba(112, 88, 60, .10) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.42) !important;
}

.tile-inner {
  background: #fffdf8 !important;
  border: 1px solid rgba(112, 88, 60, .16) !important;
  box-shadow:
    0 7px 16px rgba(60, 45, 30, .13),
    inset 0 -3px 0 rgba(60,45,30,.06) !important;
}

.dog-image-wrap::after {
  background: linear-gradient(
    180deg,
    rgba(255,255,255,.10) 0%,
    rgba(255,255,255,0) 42%,
    rgba(31,41,55,.20) 100%
  ) !important;
}

.dog-value {
  background: rgba(255, 252, 247, .96) !important;
  color: #1f2937 !important;
  border: 1px solid rgba(112, 88, 60, .14) !important;
  box-shadow: 0 5px 12px rgba(31,41,55,.13) !important;
}

/* Image tiles stay neutral so the real dog images dominate. */
.tile.v2,
.tile.v4,
.tile.v8,
.tile.v16,
.tile.v32,
.tile.v64,
.tile.v128,
.tile.v256,
.tile.v512,
.tile.v1024,
.tile.v2048,
.tile.v4096,
.tile.high-tile {
  background: #fffdf8 !important;
  color: #1f2937 !important;
}

.tile.v2048 .tile-inner {
  border-color: #d9982f !important;
  box-shadow:
    0 0 0 2px rgba(217, 152, 47, .20),
    0 12px 28px rgba(217, 152, 47, .22),
    inset 0 -3px 0 rgba(60,45,30,.06) !important;
}

.tile.high-tile .tile-inner {
  border-color: #243b5a !important;
}

.variation-btn {
  background: #fffdf8 !important;
  color: #243b5a !important;
  border-color: rgba(36, 59, 90, .16) !important;
  box-shadow: 0 7px 16px rgba(31, 41, 55, .07) !important;
}

.variation-btn.active {
  background: #fff1d6 !important;
  color: #7a4d0b !important;
  border-color: rgba(217, 152, 47, .45) !important;
  box-shadow: 0 10px 22px rgba(217, 152, 47, .18) !important;
}

.ad-placeholder,
.compact-ad {
  background:
    repeating-linear-gradient(135deg, rgba(36, 59, 90, .035) 0 10px, rgba(217, 152, 47, .035) 10px 20px),
    rgba(255, 252, 247, .78) !important;
  border: 1px dashed rgba(31, 41, 55, .22) !important;
  color: #6b7280 !important;
}

.ad-placeholder span {
  color: #243b5a !important;
}

.footer-links {
  background: rgba(255, 252, 247, .96) !important;
  border-color: rgba(31, 41, 55, .12) !important;
  box-shadow: 0 8px 18px rgba(31, 41, 55, .08) !important;
}

.footer-links a {
  background: rgba(36, 59, 90, .09) !important;
  color: #243b5a !important;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  background: #243b5a !important;
  color: #fffaf2 !important;
}

.message-layer {
  background: rgba(31, 41, 55, .34) !important;
}

.content-body {
  background:
    radial-gradient(circle at 13% 10%, rgba(217, 152, 47, .16), transparent 30%),
    radial-gradient(circle at 88% 15%, rgba(36, 59, 90, .10), transparent 28%),
    linear-gradient(135deg, #fffaf2, #f6f1e8 45%, #eef2f6) !important;
}

.page-brand,
.content-card a {
  color: #243b5a !important;
}

.page-nav a {
  color: #6b7280 !important;
}

.page-nav a:hover,
.page-nav a:focus-visible {
  color: #243b5a !important;
}

.content-note {
  background: rgba(217, 152, 47, .12) !important;
  border-color: rgba(217, 152, 47, .25) !important;
}

/* V16: single-background unified color system
   No section-by-section color blocking. One page background, one neutral UI tone, one accent. */
:root {
  --bg: #f5f2ec;
  --bg-2: #f5f2ec;
  --surface: rgba(255, 255, 255, .82);
  --surface-strong: rgba(255, 255, 255, .92);
  --surface-soft: rgba(255, 255, 255, .78);
  --ink: #222222;
  --muted: #6b6b6b;
  --muted-2: #777777;
  --line: rgba(34, 34, 34, .14);
  --brand: #222222;
  --brand-dark: #111111;
  --brand-soft: rgba(34, 34, 34, .08);
  --gold: #b7791f;
  --gold-soft: rgba(183, 121, 31, .10);
  --board-shell: #d8d2c8;
  --board-cell: #ebe6dd;
  --shadow-soft: 0 8px 22px rgba(34, 34, 34, .07);
  --shadow-card: 0 16px 38px rgba(34, 34, 34, .10);
  --shadow-board: 0 18px 40px rgba(34, 34, 34, .12);
  color-scheme: light;
}

/* Full website background: one flat color */
html,
body,
.content-body {
  background: #f5f2ec !important;
  color: var(--ink) !important;
}

/* Remove decorative section-color feel */
.game-panel::before {
  display: none !important;
}

/* All layout zones use the same neutral base */
.site-header,
.ad-panel,
.ad-panel-top,
.ad-panel-bottom,
.variation-panel,
.game-panel,
.layout-panel {
  background: transparent !important;
}

.site-header {
  border-bottom: 1px solid rgba(34,34,34,.12) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

.eyebrow {
  color: #6b6b6b !important;
}

.site-header h1,
.panel-inner h2,
.content-card h1,
.content-card h2 {
  color: #222222 !important;
}

.tagline,
.panel-inner p:not(.eyebrow),
.content-card p,
.content-card li,
.page-footer {
  color: #6b6b6b !important;
}

/* Cards remain readable but not differently colored by section */
.score-box,
.panel-inner,
.game-card,
.content-card,
.message-card,
.ad-placeholder,
.compact-ad,
.footer-links {
  background: rgba(255, 255, 255, .72) !important;
  border: 1px solid rgba(34,34,34,.12) !important;
  box-shadow: 0 10px 24px rgba(34,34,34,.07) !important;
  backdrop-filter: none !important;
}

.score-box span {
  color: #777777 !important;
}

.score-box strong {
  color: #222222 !important;
}

.primary-btn {
  background: #222222 !important;
  color: #ffffff !important;
  border: 1px solid #222222 !important;
  box-shadow: 0 10px 22px rgba(34,34,34,.16) !important;
}

.primary-btn:hover,
.primary-btn:focus-visible {
  background: #111111 !important;
}

/* Board uses only neutral shades, not a separate color block */
.dog-board {
  background: #d8d2c8 !important;
  border: 1px solid rgba(34,34,34,.14) !important;
  box-shadow: 0 16px 34px rgba(34,34,34,.12) !important;
}

.grid-cell {
  background: #ebe6dd !important;
  border: 1px solid rgba(34,34,34,.08) !important;
  box-shadow: none !important;
}

.tile-inner {
  background: #ffffff !important;
  border: 1px solid rgba(34,34,34,.10) !important;
  box-shadow: 0 6px 12px rgba(34,34,34,.10) !important;
}

.dog-image-wrap::after {
  background: linear-gradient(
    180deg,
    rgba(255,255,255,.08) 0%,
    rgba(255,255,255,0) 45%,
    rgba(0,0,0,.18) 100%
  ) !important;
}

.dog-value {
  background: rgba(255,255,255,.94) !important;
  color: #222222 !important;
  border: 1px solid rgba(34,34,34,.12) !important;
  box-shadow: 0 4px 10px rgba(34,34,34,.14) !important;
}

/* Keep image tiles neutral so dog pictures create the color, not the layout */
.tile.v2,
.tile.v4,
.tile.v8,
.tile.v16,
.tile.v32,
.tile.v64,
.tile.v128,
.tile.v256,
.tile.v512,
.tile.v1024,
.tile.v2048,
.tile.v4096,
.tile.high-tile {
  background: #ffffff !important;
  color: #222222 !important;
}

.tile.v2048 .tile-inner {
  border-color: rgba(183, 121, 31, .60) !important;
  box-shadow:
    0 0 0 2px rgba(183, 121, 31, .14),
    0 10px 22px rgba(183, 121, 31, .16) !important;
}

.tile.high-tile .tile-inner {
  border-color: rgba(34,34,34,.32) !important;
}

.variation-btn,
.footer-links a {
  background: rgba(255,255,255,.70) !important;
  color: #222222 !important;
  border: 1px solid rgba(34,34,34,.12) !important;
  box-shadow: none !important;
}

.variation-btn.active {
  background: #222222 !important;
  color: #ffffff !important;
  border-color: #222222 !important;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  background: #222222 !important;
  color: #ffffff !important;
}

.ad-placeholder,
.compact-ad {
  background: rgba(255,255,255,.48) !important;
  border-style: dashed !important;
}

.ad-placeholder span {
  color: #222222 !important;
}

.page-brand,
.content-card a {
  color: #222222 !important;
}

.page-nav a {
  color: #6b6b6b !important;
}

.page-nav a:hover,
.page-nav a:focus-visible {
  color: #222222 !important;
}

.content-note {
  background: rgba(255,255,255,.52) !important;
  border-color: rgba(34,34,34,.12) !important;
}

.message-layer {
  background: rgba(34, 34, 34, .32) !important;
}

/* V17: responsive spacing + larger board refinement
   Removes the unnecessary white/card strip around the game board. */
:root {
  --board-size: min(calc(100vw - 8px), calc(50dvh - 4px));
}

/* One clean spacing system across the layout */
.site-header {
  padding: clamp(8px, 1.35vw, 16px) clamp(12px, 2.2vw, 26px) !important;
}

.ad-panel,
.variation-panel {
  padding: clamp(6px, 1.2vw, 14px) clamp(8px, 1.8vw, 20px) !important;
}

.game-panel {
  padding: 2px !important;
}

/* Remove the white strip/card around the board */
.game-card {
  width: var(--board-size) !important;
  max-width: calc(100vw - 8px) !important;
  padding: 0 !important;
  gap: 0 !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

.dog-board {
  width: 100% !important;
  max-width: 100% !important;
  --tile-gap: clamp(4px, .85vw, 8px);
  --board-inner-padding: clamp(4px, .75vw, 8px);
}

/* Keep board itself visible, but remove extra frame feeling */
.dog-board {
  border: 1px solid rgba(34,34,34,.10) !important;
}

/* Slightly tighter inner cards for the available space */
.panel-inner {
  padding: clamp(7px, 1.25vw, 14px) !important;
}

.ad-placeholder {
  min-height: 0 !important;
}

.bottom-stack {
  gap: 4px !important;
}

.footer-links {
  min-height: 28px !important;
  padding: 3px 6px !important;
}

.footer-links a {
  min-height: 24px !important;
  padding: 4px 8px !important;
}

/* Landscape: board can use almost the full center column and height */
@media (orientation: landscape) {
  :root {
    --board-size: min(calc(50vw - 8px), calc(100dvh - 8px));
  }

  .game-panel {
    padding: 4px !important;
  }

  .site-header {
    padding: clamp(10px, 1.6vw, 22px) !important;
  }
}

/* Phone portrait: keep readable header/footer but give maximum room to board */
@media (max-width: 720px) and (orientation: portrait) {
  :root {
    --board-size: min(calc(100vw - 6px), calc(50dvh - 4px));
  }

  .site-header {
    padding: 7px 9px !important;
  }

  .ad-panel,
  .variation-panel {
    padding: 5px 7px !important;
  }

  .game-panel {
    padding: 1px !important;
  }

  .dog-board {
    --tile-gap: 4px;
    --board-inner-padding: 4px;
  }
}

/* Very small phones */
@media (max-width: 380px) and (orientation: portrait) {
  :root {
    --board-size: min(calc(100vw - 4px), calc(50dvh - 2px));
  }

  .score-box {
    min-width: 48px !important;
    padding: 5px 6px !important;
  }

  .primary-btn {
    padding: 7px 9px !important;
    font-size: 12px !important;
  }

  .variation-btn {
    padding: 6px 8px !important;
    font-size: 10px !important;
  }
}

/* Short landscape phones */
@media (orientation: landscape) and (max-height: 430px) {
  :root {
    --board-size: min(calc(50vw - 6px), calc(100dvh - 6px));
  }

  .site-header,
  .ad-panel,
  .variation-panel,
  .game-panel {
    padding: 4px !important;
  }

  .dog-board {
    --tile-gap: 3px;
    --board-inner-padding: 3px;
  }

  .footer-links {
    min-height: 22px !important;
    padding: 2px 4px !important;
  }

  .footer-links a {
    min-height: 18px !important;
    padding: 2px 5px !important;
    font-size: 9px !important;
  }
}

/* V20: premium header typography + spacing refinement */
.site-header {
  position: relative !important;
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) auto !important;
  align-items: center !important;
  gap: clamp(14px, 2.4vw, 32px) !important;
  padding: clamp(12px, 1.7vw, 20px) clamp(16px, 3vw, 38px) !important;
  background: transparent !important;
  border-bottom: 1px solid rgba(34, 34, 34, .09) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

.site-header::before {
  content: "";
  position: absolute;
  left: clamp(16px, 3vw, 38px);
  right: clamp(16px, 3vw, 38px);
  bottom: -1px;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(34, 34, 34, .26),
    rgba(34, 34, 34, .08) 42%,
    rgba(34, 34, 34, 0)
  );
  pointer-events: none;
}

.brand-block {
  min-width: 0 !important;
  align-items: center !important;
}

.brand-copy {
  min-width: 0 !important;
  display: grid !important;
  gap: 4px !important;
}

.eyebrow {
  display: block !important;
  margin: 0 !important;
  color: rgba(34, 34, 34, .58) !important;
  font-size: clamp(8px, 1.05vw, 10px) !important;
  line-height: 1 !important;
  font-weight: 800 !important;
  letter-spacing: .24em !important;
  text-transform: uppercase !important;
}

.site-header h1 {
  margin: 0 !important;
  color: #202020 !important;
  font-size: clamp(30px, 4.9vw, 52px) !important;
  line-height: .88 !important;
  letter-spacing: -.035em !important;
  font-weight: 950 !important;
  white-space: nowrap !important;
  text-rendering: geometricPrecision;
}

.tagline {
  margin: 2px 0 0 !important;
  color: rgba(34, 34, 34, .62) !important;
  font-size: clamp(10px, 1.35vw, 13px) !important;
  line-height: 1.15 !important;
  font-weight: 650 !important;
  letter-spacing: .01em !important;
  max-width: none !important;
  white-space: nowrap !important;
}

.header-actions {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: clamp(10px, 1.6vw, 16px) !important;
  min-width: max-content !important;
}

.score-wrap {
  display: flex !important;
  align-items: stretch !important;
  gap: 8px !important;
}

.score-box {
  min-width: clamp(64px, 9vw, 90px) !important;
  padding: 8px 10px !important;
  background: rgba(255, 255, 255, .42) !important;
  border: 1px solid rgba(34, 34, 34, .10) !important;
  box-shadow: none !important;
  text-align: center !important;
}

.score-box span {
  color: rgba(34, 34, 34, .52) !important;
  font-size: 8px !important;
  line-height: 1 !important;
  font-weight: 900 !important;
  letter-spacing: .18em !important;
}

.score-box strong {
  display: block !important;
  margin-top: 4px !important;
  color: #202020 !important;
  font-size: clamp(17px, 2.5vw, 24px) !important;
  line-height: .9 !important;
  font-weight: 950 !important;
  letter-spacing: -.025em !important;
}

.primary-btn {
  min-height: 42px !important;
  padding: 10px 18px !important;
  background: #202020 !important;
  color: #ffffff !important;
  border: 1px solid #202020 !important;
  box-shadow: 0 10px 22px rgba(34, 34, 34, .15) !important;
  font-size: 13px !important;
  line-height: 1 !important;
  font-weight: 900 !important;
  letter-spacing: .02em !important;
}

.primary-btn:hover,
.primary-btn:focus-visible {
  background: #000000 !important;
  border-color: #000000 !important;
}

/* Mobile portrait: keep the premium feel without crowding. */
@media (max-width: 720px) and (orientation: portrait) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto !important;
    gap: 9px !important;
    padding: 9px 10px !important;
  }

  .site-header::before {
    left: 10px;
    right: 10px;
  }

  .brand-copy {
    gap: 2px !important;
  }

  .eyebrow {
    font-size: 7px !important;
    letter-spacing: .20em !important;
  }

  .site-header h1 {
    font-size: clamp(25px, 7.3vw, 34px) !important;
    letter-spacing: -.032em !important;
  }

  .tagline {
    font-size: 10px !important;
    letter-spacing: 0 !important;
  }

  .header-actions {
    gap: 7px !important;
  }

  .score-wrap {
    gap: 5px !important;
  }

  .score-box {
    min-width: 54px !important;
    padding: 6px 7px !important;
  }

  .score-box span {
    font-size: 7px !important;
    letter-spacing: .14em !important;
  }

  .score-box strong {
    margin-top: 3px !important;
    font-size: 16px !important;
  }

  .primary-btn {
    min-height: 34px !important;
    padding: 7px 10px !important;
    font-size: 12px !important;
    letter-spacing: .01em !important;
  }
}

/* Narrow phones: remove small copy, keep title + score + CTA clean. */
@media (max-width: 520px) and (orientation: portrait) {
  .eyebrow,
  .tagline {
    display: none !important;
  }

  .site-header h1 {
    font-size: clamp(24px, 7vw, 31px) !important;
  }

  .score-wrap .score-box:nth-child(2) {
    display: none !important;
  }

  .score-box {
    min-width: 52px !important;
  }
}

/* Landscape: treat header as a clean side control panel. */
@media (orientation: landscape) {
  .site-header {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto 1fr auto !important;
    align-items: stretch !important;
    gap: clamp(12px, 2vw, 22px) !important;
    padding: clamp(16px, 2.3vw, 30px) !important;
    border-right: 1px solid rgba(34, 34, 34, .09) !important;
    border-bottom: 0 !important;
  }

  .site-header::before {
    top: clamp(16px, 2.3vw, 30px);
    bottom: clamp(16px, 2.3vw, 30px);
    left: auto;
    right: -1px;
    width: 1px;
    height: auto;
    background: linear-gradient(
      180deg,
      rgba(34, 34, 34, .26),
      rgba(34, 34, 34, .08) 42%,
      rgba(34, 34, 34, 0)
    );
  }

  .brand-copy {
    align-content: start !important;
    gap: 6px !important;
  }

  .site-header h1 {
    max-width: 7ch !important;
    white-space: normal !important;
    font-size: clamp(36px, 5.4vw, 62px) !important;
    line-height: .9 !important;
  }

  .tagline {
    max-width: 18ch !important;
    white-space: normal !important;
    line-height: 1.25 !important;
  }

  .header-actions {
    align-self: end !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }

  .score-wrap {
    width: 100% !important;
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .score-box {
    min-width: 0 !important;
  }

  .primary-btn {
    width: 100% !important;
  }
}

/* Short landscape: compact but still aligned. */
@media (orientation: landscape) and (max-height: 430px) {
  .site-header {
    gap: 6px !important;
    padding: 6px !important;
  }

  .site-header::before {
    top: 6px;
    bottom: 6px;
  }

  .eyebrow,
  .tagline {
    display: none !important;
  }

  .site-header h1 {
    max-width: none !important;
    white-space: nowrap !important;
    font-size: clamp(19px, 3.7vw, 24px) !important;
    letter-spacing: -.025em !important;
  }

  .header-actions {
    gap: 5px !important;
  }

  .score-box {
    padding: 4px 6px !important;
  }

  .score-box span {
    font-size: 7px !important;
  }

  .score-box strong {
    font-size: 14px !important;
  }

  .primary-btn {
    min-height: 27px !important;
    padding: 5px 8px !important;
    font-size: 11px !important;
  }
}


/* V21: Dog Collection replaces the removed Dog Packs selector */
.app-shell {
  grid-template-rows: 12% 10% 50% 18% 10% !important;
}

.collection-panel {
  grid-area: variants;
  min-width: 0;
  min-height: 0;
  padding: clamp(5px, 1vw, 12px) clamp(7px, 1.6vw, 18px) !important;
  background: transparent !important;
}

.collection-shell {
  width: min(100%, 980px);
  height: 100%;
  min-height: 0;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(150px, 25%) minmax(0, 1fr);
  gap: clamp(8px, 1.4vw, 16px);
  padding: clamp(7px, 1.1vw, 13px);
  overflow: hidden;
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(34,34,34,.12);
  box-shadow: 0 10px 24px rgba(34,34,34,.07);
}

.collection-intro {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 3px;
}

.collection-intro h2 {
  margin: 0;
  color: #222222;
  font-size: clamp(17px, 2.8vw, 30px);
  line-height: .98;
  letter-spacing: -.035em;
}

.collection-progress {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 2px 0 0;
  color: #6b6b6b;
  font-size: clamp(9px, 1.4vw, 12px);
  line-height: 1;
}

.collection-progress strong {
  color: #222222;
  font-size: clamp(14px, 2vw, 20px);
}

.collection-detail {
  margin: 2px 0 0;
  color: #6b6b6b;
  font-size: clamp(9px, 1.2vw, 11px);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.collection-cta {
  min-height: 25px;
  margin-top: 3px;
  padding: 5px 8px;
  border: 1px solid #222222;
  background: #222222;
  color: #ffffff;
  font: inherit;
  font-size: clamp(9px, 1.2vw, 11px);
  font-weight: 900;
  line-height: 1.05;
  cursor: pointer;
}

.collection-cta:hover,
.collection-cta:focus-visible {
  background: #000000;
}

.collection-cta:disabled {
  border-color: rgba(34,34,34,.15);
  background: rgba(34,34,34,.08);
  color: #6b6b6b;
  cursor: default;
}

.collection-list {
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: stretch;
  gap: clamp(6px, 1vw, 10px);
  overflow-x: auto;
  overflow-y: hidden;
  padding: 1px 1px 5px;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}

.collection-card {
  position: relative;
  flex: 0 0 clamp(72px, 10vw, 105px);
  min-width: 0;
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  gap: 2px;
  padding: 4px;
  overflow: hidden;
  scroll-snap-align: start;
  border: 1px solid rgba(34,34,34,.12);
  background: rgba(255,255,255,.78);
  color: #222222;
  font: inherit;
  text-align: left;
  cursor: pointer;
  box-shadow: none;
}

.collection-card:hover:not(:disabled),
.collection-card:focus-visible,
.collection-card.is-selected {
  border-color: #222222;
  box-shadow: inset 0 0 0 1px #222222;
  outline: none;
}

.collection-card:disabled {
  opacity: 1;
  cursor: not-allowed;
}

.collection-image-wrap {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background: #ebe6dd;
  border: 1px solid rgba(34,34,34,.08);
}

.collection-image-wrap img {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  object-fit: cover;
}

.collection-card.is-locked img {
  filter: grayscale(1) blur(3px);
  transform: scale(1.06);
  opacity: .45;
}

.collection-lock,
.collection-value {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(34,34,34,.12);
  color: #222222;
  font-weight: 950;
  line-height: 1;
}

.collection-lock {
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  font-size: 10px;
}

.collection-card.is-unlocked .collection-lock {
  background: #222222;
  color: #ffffff;
}

.collection-value {
  right: 3px;
  bottom: 3px;
  min-width: 27px;
  padding: 4px 5px;
  font-size: 9px;
}

.collection-name {
  overflow: hidden;
  color: #222222;
  font-size: clamp(8px, 1.1vw, 10px);
  font-weight: 900;
  line-height: 1.05;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.collection-status {
  overflow: hidden;
  color: #777777;
  font-size: clamp(7px, .95vw, 9px);
  font-weight: 750;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.collection-card.is-locked .collection-name,
.collection-card.is-locked .collection-status {
  color: #8a8a8a;
}

.dog-board:focus-visible {
  outline: 3px solid rgba(34,34,34,.45);
  outline-offset: 2px;
}

@media (orientation: landscape) {
  .app-shell {
    grid-template-rows: 50% 50% !important;
  }

  .collection-panel {
    display: grid;
    align-items: stretch;
    padding: clamp(7px, 1.1vw, 14px) !important;
  }

  .collection-shell {
    width: 100%;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 8px;
  }

  .collection-intro {
    justify-content: flex-start;
  }

  .collection-intro h2 {
    font-size: clamp(18px, 2.8vw, 30px);
  }

  .collection-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
    gap: 7px;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 1px 3px 4px 1px;
    scroll-snap-type: none;
  }

  .collection-card {
    width: 100%;
    height: clamp(82px, 13vh, 116px);
    grid-template-rows: minmax(0, 1fr) auto auto;
  }
}

@media (max-width: 720px) and (orientation: portrait) {
  .app-shell {
    grid-template-rows: 12% 9% 50% 20% 9% !important;
  }

  .collection-panel {
    padding: 4px 6px !important;
  }

  .collection-shell {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 6px;
    padding: 5px;
  }

  .collection-intro .eyebrow,
  .collection-detail {
    display: none;
  }

  .collection-intro h2 {
    font-size: 17px;
  }

  .collection-progress {
    font-size: 9px;
  }

  .collection-progress strong {
    font-size: 14px;
  }

  .collection-cta {
    width: 100%;
    min-height: 24px;
    padding: 4px 5px;
    font-size: 8px;
    white-space: normal;
  }

  .collection-card {
    flex-basis: 76px;
    padding: 3px;
  }

  .collection-name {
    font-size: 8px;
  }

  .collection-status {
    font-size: 7px;
  }
}

@media (orientation: landscape) and (max-height: 430px) {
  .collection-panel {
    padding: 4px !important;
  }

  .collection-shell {
    gap: 4px;
    padding: 5px;
  }

  .collection-intro .eyebrow,
  .collection-detail {
    display: none;
  }

  .collection-intro {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 3px 6px;
  }

  .collection-intro h2 {
    font-size: 15px;
  }

  .collection-progress {
    margin: 0;
  }

  .collection-cta {
    grid-column: 1 / -1;
    min-height: 20px;
    margin: 0;
    padding: 3px 5px;
    font-size: 8px;
  }

  .collection-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }

  .collection-card {
    height: 70px;
    padding: 2px;
  }

  .collection-name {
    font-size: 7px;
  }

  .collection-status {
    display: none;
  }

  .collection-lock {
    width: 16px;
    height: 16px;
    font-size: 8px;
  }

  .collection-value {
    min-width: 22px;
    padding: 3px;
    font-size: 7px;
  }
}

/* V22: show the complete Dog Collection at a glance without scrolling */
.collection-shell {
  grid-template-columns: 1fr !important;
  grid-template-rows: auto minmax(0, 1fr) !important;
  gap: clamp(4px, .7vw, 7px) !important;
  padding: clamp(5px, .8vw, 9px) !important;
}

.collection-intro {
  display: grid !important;
  grid-template-columns: minmax(0, auto) auto minmax(0, 1fr) auto;
  align-items: center !important;
  justify-content: stretch !important;
  gap: 3px clamp(6px, 1vw, 12px) !important;
}

.collection-intro .eyebrow {
  display: none !important;
}

.collection-intro h2 {
  font-size: clamp(14px, 2vw, 22px) !important;
  line-height: 1 !important;
  white-space: nowrap;
}

.collection-progress {
  margin: 0 !important;
  white-space: nowrap;
}

.collection-progress strong {
  font-size: clamp(13px, 1.7vw, 18px) !important;
}

.collection-detail {
  min-width: 0;
  margin: 0 !important;
  display: block !important;
  overflow: hidden;
  font-size: clamp(8px, 1vw, 10px) !important;
  line-height: 1.15 !important;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.collection-cta {
  min-height: 22px !important;
  margin: 0 !important;
  padding: 4px 7px !important;
  font-size: clamp(8px, .9vw, 10px) !important;
  white-space: nowrap;
}

.collection-list {
  display: grid !important;
  grid-template-columns: repeat(9, minmax(0, 1fr)) !important;
  grid-template-rows: repeat(2, minmax(0, 1fr)) !important;
  align-content: stretch !important;
  align-items: stretch !important;
  gap: clamp(2px, .45vw, 5px) !important;
  overflow: hidden !important;
  padding: 0 !important;
  scrollbar-width: none;
  scroll-snap-type: none !important;
}

.collection-list::-webkit-scrollbar {
  display: none;
}

.collection-card {
  width: auto !important;
  height: auto !important;
  min-width: 0 !important;
  min-height: 0 !important;
  padding: clamp(1px, .25vw, 3px) !important;
  grid-template-rows: minmax(0, 1fr) auto !important;
  gap: 1px !important;
  scroll-snap-align: none !important;
}

.collection-image-wrap {
  width: 100%;
  min-height: 0 !important;
}

.collection-name {
  font-size: clamp(6px, .75vw, 8px) !important;
  line-height: 1 !important;
  text-align: center;
}

.collection-status {
  display: none !important;
}

.collection-lock {
  top: 2px !important;
  left: 2px !important;
  width: clamp(13px, 1.55vw, 18px) !important;
  height: clamp(13px, 1.55vw, 18px) !important;
  font-size: clamp(6px, .75vw, 9px) !important;
}

.collection-value {
  right: 2px !important;
  bottom: 2px !important;
  min-width: 0 !important;
  padding: 2px 3px !important;
  font-size: clamp(6px, .72vw, 8px) !important;
}

@media (max-width: 720px) and (orientation: portrait) {
  .collection-shell {
    gap: 3px !important;
    padding: 4px !important;
  }

  .collection-intro {
    grid-template-columns: minmax(0, 1fr) auto !important;
    gap: 4px 8px !important;
  }

  .collection-intro h2 {
    font-size: clamp(13px, 4vw, 16px) !important;
  }

  .collection-progress {
    font-size: 8px !important;
  }

  .collection-progress strong {
    font-size: 12px !important;
  }

  .collection-detail,
  .collection-cta {
    display: none !important;
  }

  .collection-list {
    grid-template-columns: repeat(9, minmax(0, 1fr)) !important;
    grid-template-rows: repeat(2, minmax(0, 1fr)) !important;
    gap: 2px !important;
  }

  .collection-card {
    grid-template-rows: minmax(0, 1fr) !important;
    padding: 1px !important;
  }

  .collection-name {
    display: none !important;
  }

  .collection-lock {
    width: 12px !important;
    height: 12px !important;
    font-size: 6px !important;
  }

  .collection-value {
    padding: 1px 2px !important;
    font-size: 5px !important;
  }
}

@media (orientation: landscape) {
  .collection-shell {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto minmax(0, 1fr) !important;
    gap: clamp(4px, .7vh, 7px) !important;
  }

  .collection-intro {
    grid-template-columns: minmax(0, 1fr) auto !important;
    gap: 3px 6px !important;
  }

  .collection-detail,
  .collection-cta {
    display: none !important;
  }

  .collection-list {
    grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
    grid-template-rows: repeat(4, minmax(0, 1fr)) !important;
    gap: clamp(2px, .5vh, 5px) !important;
  }

  .collection-card {
    grid-template-rows: minmax(0, 1fr) !important;
  }

  .collection-name {
    display: none !important;
  }
}

@media (orientation: landscape) and (max-height: 430px) {
  .collection-shell {
    gap: 2px !important;
    padding: 3px !important;
  }

  .collection-intro h2 {
    font-size: 12px !important;
  }

  .collection-progress,
  .collection-progress strong {
    font-size: 8px !important;
  }

  .collection-list {
    grid-template-columns: repeat(6, minmax(0, 1fr)) !important;
    grid-template-rows: repeat(3, minmax(0, 1fr)) !important;
    gap: 2px !important;
  }

  .collection-card {
    padding: 1px !important;
  }

  .collection-lock {
    width: 11px !important;
    height: 11px !important;
    font-size: 5px !important;
  }

  .collection-value {
    padding: 1px !important;
    font-size: 5px !important;
  }
}

/* V23: focus-first cinematic theme
   Dark, quiet surroundings keep the visitor's attention on the bright game board. */
:root {
  --bg: #0b0e12;
  --bg-2: #0b0e12;
  --surface: rgba(19, 23, 29, .76);
  --surface-strong: rgba(22, 27, 34, .92);
  --surface-soft: rgba(15, 19, 24, .72);
  --ink: #eee8df;
  --muted: #8c939c;
  --muted-2: #6f7781;
  --line: rgba(255, 255, 255, .08);
  --brand: #d5a45b;
  --brand-dark: #f0c47d;
  --brand-soft: rgba(213, 164, 91, .12);
  --gold: #e0ad60;
  --gold-soft: rgba(224, 173, 96, .14);
  --board-shell: #b9a58a;
  --board-cell: #94836e;
  --shadow-soft: 0 12px 30px rgba(0, 0, 0, .18);
  --shadow-card: 0 24px 64px rgba(0, 0, 0, .34);
  --shadow-board: 0 34px 90px rgba(0, 0, 0, .64);
  color-scheme: dark;
}

html,
body {
  background:
    radial-gradient(ellipse at 50% 49%, rgba(224, 173, 96, .16) 0%, rgba(54, 46, 37, .15) 20%, rgba(14, 17, 22, .95) 54%, #080a0d 100%) !important;
  color: var(--ink) !important;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0,0,0,.30), transparent 25%, transparent 75%, rgba(0,0,0,.30)),
    linear-gradient(180deg, rgba(0,0,0,.18), transparent 28%, transparent 72%, rgba(0,0,0,.28));
}

.app-shell {
  position: relative;
  z-index: 1;
}

/* Quiet supporting UI */
.site-header {
  background: linear-gradient(180deg, rgba(12, 15, 19, .74), rgba(12, 15, 19, .20)) !important;
  border-color: rgba(255,255,255,.055) !important;
  box-shadow: none !important;
}

.site-header::before {
  background: linear-gradient(90deg, rgba(224,173,96,.32), rgba(255,255,255,.06) 38%, rgba(255,255,255,0)) !important;
  opacity: .45;
}

.site-header h1 {
  color: rgba(244, 238, 229, .88) !important;
}

.eyebrow,
.tagline {
  color: rgba(190, 193, 197, .56) !important;
}

.score-box {
  background: rgba(255, 255, 255, .035) !important;
  border-color: rgba(255, 255, 255, .075) !important;
  box-shadow: none !important;
}

.score-box span {
  color: #707781 !important;
}

.score-box strong {
  color: #d8d0c5 !important;
}

.primary-btn {
  background: #1b2027 !important;
  color: #ddd6cc !important;
  border-color: rgba(255,255,255,.13) !important;
  box-shadow: 0 8px 20px rgba(0,0,0,.22) !important;
}

.primary-btn:hover,
.primary-btn:focus-visible {
  background: #252b33 !important;
  color: #fff7eb !important;
  border-color: rgba(224,173,96,.58) !important;
  box-shadow: 0 0 0 2px rgba(224,173,96,.10), 0 10px 24px rgba(0,0,0,.28) !important;
}

.ad-placeholder,
.compact-ad {
  background: rgba(255, 255, 255, .015) !important;
  border-color: rgba(255, 255, 255, .065) !important;
  box-shadow: none !important;
  color: rgba(151, 158, 167, .34) !important;
  opacity: .62;
}

.ad-placeholder span {
  color: rgba(164, 170, 177, .38) !important;
}

.ad-placeholder small {
  color: rgba(130, 137, 146, .34) !important;
}

.footer-links {
  background: rgba(17, 21, 26, .46) !important;
  border-color: rgba(255,255,255,.055) !important;
  box-shadow: none !important;
  opacity: .68;
}

.footer-links a {
  background: transparent !important;
  color: rgba(177, 181, 187, .64) !important;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  background: rgba(255,255,255,.07) !important;
  color: #eee8df !important;
}

/* The board is the single bright focal object. */
.game-panel {
  isolation: isolate;
}

.game-panel::before {
  display: block !important;
  content: "";
  position: absolute;
  inset: 1.5%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle at center, rgba(240, 196, 125, .30) 0%, rgba(224, 173, 96, .14) 28%, rgba(224, 173, 96, .04) 48%, transparent 70%) !important;
  filter: blur(18px);
}

.game-card {
  position: relative;
  z-index: 2;
  background: linear-gradient(145deg, #fbf5ec 0%, #e8dac7 100%) !important;
  border: 1px solid rgba(255, 232, 194, .92) !important;
  box-shadow:
    0 0 0 1px rgba(224, 173, 96, .20),
    0 0 42px rgba(224, 173, 96, .25),
    0 34px 88px rgba(0, 0, 0, .64) !important;
}

.dog-board {
  background: #b9a58a !important;
  border: 1px solid rgba(255, 244, 225, .72) !important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.30),
    inset 0 -1px 0 rgba(60,45,28,.18),
    0 16px 34px rgba(58, 42, 25, .25) !important;
}

.grid-cell {
  background: #94836e !important;
  border-color: rgba(72, 55, 38, .18) !important;
  box-shadow: inset 0 1px 3px rgba(53, 40, 27, .18) !important;
}

.tile.v2,
.tile.v4,
.tile.v8,
.tile.v16,
.tile.v32,
.tile.v64,
.tile.v128,
.tile.v256,
.tile.v512,
.tile.v1024,
.tile.v2048,
.tile.v4096,
.tile.high-tile {
  background: #fffaf2 !important;
  color: #241b13 !important;
}

.tile-inner {
  background: #fffaf2 !important;
  border-color: rgba(88, 65, 40, .17) !important;
  box-shadow:
    0 8px 18px rgba(53, 38, 23, .24),
    inset 0 1px 0 rgba(255,255,255,.72) !important;
}

.dog-image-wrap::after {
  background: linear-gradient(180deg, rgba(255,255,255,.07) 0%, transparent 47%, rgba(24,16,9,.20) 100%) !important;
}

.dog-value {
  background: rgba(255, 249, 239, .96) !important;
  color: #251a10 !important;
  border-color: rgba(84, 60, 35, .18) !important;
  box-shadow: 0 5px 12px rgba(31, 21, 12, .22) !important;
}

.tile.v2048 .tile-inner {
  border-color: #e5af5d !important;
  box-shadow:
    0 0 0 2px rgba(229, 175, 93, .30),
    0 0 28px rgba(229, 175, 93, .34),
    0 10px 22px rgba(53, 38, 23, .26) !important;
}

.tile.high-tile .tile-inner {
  border-color: #f0c47d !important;
}

.dog-board:focus-visible {
  outline: 3px solid rgba(240, 196, 125, .82) !important;
  outline-offset: 4px !important;
}

/* Collection remains visible, but behaves as secondary information. */
.collection-shell {
  background: rgba(14, 18, 23, .70) !important;
  border-color: rgba(255,255,255,.06) !important;
  box-shadow: none !important;
  opacity: .74;
  transition: opacity .18s ease, border-color .18s ease;
}

.collection-shell:hover,
.collection-shell:focus-within {
  opacity: .90;
  border-color: rgba(255,255,255,.10) !important;
}

.collection-intro h2,
.collection-progress strong {
  color: #c5beb4 !important;
}

.collection-progress,
.collection-detail {
  color: #747b84 !important;
}

.collection-cta {
  background: #1a1f26 !important;
  color: #aaa49c !important;
  border-color: rgba(255,255,255,.09) !important;
}

.collection-cta:hover,
.collection-cta:focus-visible {
  background: #252b33 !important;
  color: #efe7dc !important;
  border-color: rgba(224,173,96,.40) !important;
}

.collection-card {
  background: rgba(255,255,255,.025) !important;
  border-color: rgba(255,255,255,.055) !important;
  color: #bcb6ae !important;
  box-shadow: none !important;
}

.collection-image-wrap {
  background: #171b20 !important;
  border-color: rgba(255,255,255,.045) !important;
}

.collection-card.is-unlocked img {
  opacity: .60;
  filter: saturate(.70) contrast(.94);
}

.collection-card.is-locked img {
  opacity: .22 !important;
  filter: grayscale(1) blur(3px) brightness(.62) !important;
}

.collection-card:hover:not(:disabled) img,
.collection-card:focus-visible img,
.collection-card.is-selected img {
  opacity: .88;
  filter: saturate(.90) contrast(1) !important;
}

.collection-card:hover:not(:disabled),
.collection-card:focus-visible,
.collection-card.is-selected {
  border-color: rgba(224,173,96,.42) !important;
  box-shadow: inset 0 0 0 1px rgba(224,173,96,.18) !important;
}

.collection-lock,
.collection-value {
  background: rgba(16, 20, 25, .86) !important;
  border-color: rgba(255,255,255,.10) !important;
  color: #a8a198 !important;
}

.collection-card.is-unlocked .collection-lock {
  background: rgba(224,173,96,.78) !important;
  color: #17120c !important;
}

.collection-name,
.collection-card.is-locked .collection-name,
.collection-card.is-locked .collection-status {
  color: #8d9298 !important;
}

.message-layer {
  background: rgba(5, 7, 10, .72) !important;
}

.message-card {
  background: #171b21 !important;
  color: #f1ebe2 !important;
  border-color: rgba(255,255,255,.10) !important;
  box-shadow: 0 30px 80px rgba(0,0,0,.62) !important;
}

.message-card p {
  color: #9299a2 !important;
}

/* Matching dark theme for supporting pages. */
.content-body {
  background:
    radial-gradient(circle at 50% 12%, rgba(224,173,96,.09), transparent 32%),
    #0b0e12 !important;
  color: #eee8df !important;
}

.page-brand {
  color: #eee8df !important;
}

.page-nav a {
  color: #8c939c !important;
}

.page-nav a:hover,
.page-nav a:focus-visible,
.page-nav a[aria-current="page"] {
  color: #e0ad60 !important;
}

.content-card {
  background: rgba(20, 24, 30, .90) !important;
  border-color: rgba(255,255,255,.08) !important;
  box-shadow: 0 24px 70px rgba(0,0,0,.38) !important;
}

.content-card h1,
.content-card h2 {
  color: #f1ebe2 !important;
}

.content-card p,
.content-card li,
.page-footer {
  color: #9aa0a8 !important;
}

.content-card a {
  color: #e0ad60 !important;
}

.content-note {
  background: rgba(224,173,96,.08) !important;
  border-color: rgba(224,173,96,.22) !important;
}

@media (orientation: landscape) {
  .site-header::before {
    background: linear-gradient(180deg, rgba(224,173,96,.32), rgba(255,255,255,.06) 38%, rgba(255,255,255,0)) !important;
  }
}

@media (max-width: 720px) and (orientation: portrait) {
  html,
  body {
    background:
      radial-gradient(ellipse at 50% 44%, rgba(224, 173, 96, .18) 0%, rgba(44, 38, 31, .13) 24%, rgba(13, 16, 21, .96) 58%, #080a0d 100%) !important;
  }

  .collection-shell {
    opacity: .68;
  }

  .ad-placeholder,
  .compact-ad {
    opacity: .48;
  }
}

@media (orientation: landscape) and (max-height: 430px) {
  .game-card {
    box-shadow:
      0 0 0 1px rgba(224, 173, 96, .16),
      0 0 24px rgba(224, 173, 96, .20),
      0 18px 44px rgba(0, 0, 0, .58) !important;
  }

  .collection-shell {
    opacity: .64;
  }
}

/* V24: mobile usability and collection feedback fixes
   Keeps the board dominant while making essential controls readable and tappable. */
@media (max-width: 720px) and (orientation: portrait) {
  .app-shell {
    grid-template-rows: 11% 5% 55% 24% 5% !important;
  }

  .site-header {
    gap: 5px !important;
    padding: 5px 7px !important;
  }

  .site-header::before {
    left: 7px !important;
    right: 7px !important;
  }

  .site-header h1 {
    font-size: clamp(23px, 6.8vw, 29px) !important;
  }

  .header-actions {
    gap: 4px !important;
  }

  .score-wrap {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 3px !important;
  }

  .score-wrap .score-box:nth-child(2) {
    display: block !important;
  }

  .score-box {
    min-width: 36px !important;
    padding: 4px !important;
  }

  .score-box span {
    font-size: 6px !important;
    letter-spacing: .09em !important;
  }

  .score-box strong {
    margin-top: 2px !important;
    font-size: 13px !important;
  }

  .primary-btn {
    min-height: 30px !important;
    padding: 5px 7px !important;
    font-size: 10px !important;
  }

  .ad-panel-top {
    padding: 2px 6px !important;
  }

  .ad-panel-top .ad-placeholder {
    min-height: 0 !important;
    border-radius: 8px !important;
  }

  .ad-panel-top .ad-placeholder span {
    font-size: 8px !important;
    letter-spacing: .10em !important;
  }

  .ad-panel-top .ad-placeholder small {
    display: none !important;
  }

  .collection-panel {
    padding: 2px 5px !important;
  }

  .collection-shell {
    position: relative !important;
    gap: 3px !important;
    padding: 4px !important;
    opacity: .78 !important;
  }

  .collection-intro {
    min-height: 18px !important;
    grid-template-columns: minmax(0, 1fr) auto !important;
    gap: 4px 8px !important;
  }

  .collection-intro h2 {
    font-size: clamp(13px, 3.8vw, 15px) !important;
  }

  .collection-progress {
    font-size: 8px !important;
  }

  .collection-progress strong {
    font-size: 12px !important;
  }

  .collection-list {
    grid-template-columns: repeat(6, minmax(0, 1fr)) !important;
    grid-template-rows: repeat(3, minmax(0, 1fr)) !important;
    gap: 3px !important;
  }

  .collection-card {
    min-width: 0 !important;
    min-height: 40px !important;
    padding: 2px !important;
    border-width: 1px !important;
  }

  .collection-lock {
    width: 15px !important;
    height: 15px !important;
    font-size: 7px !important;
  }

  .collection-value {
    min-width: 20px !important;
    padding: 2px 3px !important;
    font-size: 8px !important;
    font-weight: 900 !important;
    color: #d9d1c6 !important;
  }

  .collection-detail {
    display: block !important;
    position: absolute !important;
    z-index: 8 !important;
    left: 8px !important;
    right: 8px !important;
    top: 26px !important;
    margin: 0 !important;
    padding: 6px 8px !important;
    overflow: hidden !important;
    border: 1px solid rgba(224, 173, 96, .42) !important;
    background: rgba(15, 19, 24, .96) !important;
    box-shadow: 0 10px 26px rgba(0, 0, 0, .42) !important;
    color: #e7dfd4 !important;
    font-size: 9px !important;
    font-weight: 750 !important;
    line-height: 1.25 !important;
    text-align: center !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-3px) !important;
    transition: opacity .16s ease, transform .16s ease, visibility .16s ease !important;
    pointer-events: none !important;
  }

  .collection-detail.is-fact-visible {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
  }

  .collection-cta {
    display: none !important;
  }

  .ad-panel-bottom {
    padding: 1px 4px !important;
  }

  .bottom-stack {
    grid-template-rows: 1fr !important;
    gap: 0 !important;
  }

  .ad-panel-bottom .compact-ad {
    display: none !important;
  }

  .footer-links {
    width: 100% !important;
    min-height: 0 !important;
    padding: 2px 3px !important;
    gap: 2px !important;
    flex-wrap: nowrap !important;
    opacity: .86 !important;
  }

  .footer-links a {
    min-width: 0 !important;
    min-height: 24px !important;
    padding: 3px !important;
    font-size: 9.5px !important;
    line-height: 1 !important;
    white-space: nowrap !important;
  }
}

@media (max-width: 370px) and (orientation: portrait) {
  .site-header h1 {
    font-size: 23px !important;
  }

  .score-box {
    min-width: 34px !important;
    padding-inline: 3px !important;
  }

  .primary-btn {
    padding-inline: 6px !important;
    font-size: 9.5px !important;
  }

  .collection-list {
    gap: 2px !important;
  }

  .collection-card {
    min-height: 39px !important;
    padding: 1px !important;
  }

  .footer-links a {
    padding-inline: 2px !important;
    font-size: 9px !important;
  }
}

@media (orientation: landscape) {
  .collection-shell {
    position: relative !important;
  }

  .collection-list {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    grid-template-rows: repeat(5, minmax(0, 1fr)) !important;
    gap: clamp(2px, .55vh, 5px) !important;
  }

  .collection-card {
    min-width: 0 !important;
    min-height: 30px !important;
    padding: 2px !important;
  }

  .collection-value {
    min-width: 20px !important;
    padding: 2px 3px !important;
    font-size: 8px !important;
    font-weight: 900 !important;
    color: #d9d1c6 !important;
  }

  .collection-lock {
    width: 15px !important;
    height: 15px !important;
    font-size: 7px !important;
  }

  .collection-detail {
    display: block !important;
    position: absolute !important;
    z-index: 8 !important;
    left: 7px !important;
    right: 7px !important;
    top: 25px !important;
    padding: 5px 7px !important;
    border: 1px solid rgba(224, 173, 96, .42) !important;
    background: rgba(15, 19, 24, .96) !important;
    box-shadow: 0 9px 22px rgba(0,0,0,.40) !important;
    color: #e7dfd4 !important;
    font-size: 8px !important;
    font-weight: 750 !important;
    line-height: 1.2 !important;
    text-align: center !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-3px) !important;
    transition: opacity .16s ease, transform .16s ease, visibility .16s ease !important;
    pointer-events: none !important;
  }

  .collection-detail.is-fact-visible {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
  }
}

@media (orientation: landscape) and (max-height: 430px) {
  .collection-intro h2 {
    font-size: 13px !important;
  }

  .collection-progress,
  .collection-progress strong {
    font-size: 8px !important;
  }

  .collection-card {
    min-height: 29px !important;
  }

  .collection-value {
    min-width: 19px !important;
    font-size: 7.5px !important;
  }

  .collection-lock {
    width: 14px !important;
    height: 14px !important;
    font-size: 6px !important;
  }

  .compact-ad span,
  .compact-ad small {
    display: none !important;
  }

  .footer-links {
    min-height: 28px !important;
    padding: 3px 4px !important;
    gap: 3px !important;
    font-size: 10px !important;
    opacity: .84 !important;
  }

  .footer-links a {
    min-height: 24px !important;
    padding: 3px 5px !important;
    font-size: 10px !important;
  }
}

/* V24.1: short-landscape balance */
@media (orientation: landscape) {
  .collection-list {
    grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
    grid-template-rows: repeat(4, minmax(0, 1fr)) !important;
  }
}

@media (orientation: landscape) and (max-height: 430px) {
  .score-wrap .score-box:nth-child(2) {
    display: block !important;
  }

  .score-wrap {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 4px !important;
  }

  .score-box {
    min-width: 0 !important;
    padding-inline: 4px !important;
  }
}