body[data-page="snake-rina"] {
  --snake-acid: #b8ff2c;
  --snake-acid-bright: #e1ff86;
  --snake-mint: #79ffc1;
  --snake-line: rgba(151, 255, 80, 0.28);
  --snake-panel: rgba(2, 10, 7, 0.95);
  min-width: 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(148, 255, 55, 0.13), transparent 34rem),
    linear-gradient(180deg, #020706 0%, #010403 100%);
  overscroll-behavior: contain;
}

body[data-page="snake-rina"] .snake-main {
  width: min(100%, 1560px);
  margin: 0 auto;
  display: grid;
  gap: clamp(0.8rem, 1.6vw, 1.2rem);
  padding: clamp(0.7rem, 1.6vw, 1.15rem) clamp(0.6rem, 1.8vw, 1.5rem) 1.2rem;
}

body[data-page="snake-rina"] .snake-hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding-inline: 0.2rem;
}

body[data-page="snake-rina"] .snake-hero > div {
  display: grid;
  gap: 0.25rem;
}

body[data-page="snake-rina"] .snake-hero__eyebrow {
  margin: 0;
  color: rgba(184, 255, 44, 0.78);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

body[data-page="snake-rina"] .snake-hero h1 {
  margin: 0;
  color: #d7ff9b;
  font-family: var(--font-rina, "MountainKingRegular", "Times New Roman", serif);
  font-size: clamp(2.2rem, 4vw, 3.7rem);
  line-height: 0.9;
  letter-spacing: 0;
  text-transform: uppercase;
  -webkit-text-stroke: 1px rgba(0, 0, 0, 0.9);
  text-shadow:
    2px 0 0 #071001,
    -2px 0 0 #071001,
    0 2px 0 #071001,
    0 -2px 0 #071001,
    0 0 22px rgba(184, 255, 44, 0.28);
}

body[data-page="snake-rina"] .snake-hero > div > p:last-child {
  margin: 0;
  color: rgba(230, 242, 234, 0.7);
  font-size: clamp(0.82rem, 1.2vw, 0.96rem);
}

body[data-page="snake-rina"] .snake-back,
body[data-page="snake-rina"] .snake-secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0 0.95rem;
  border: 1px solid rgba(184, 255, 44, 0.22);
  border-radius: 6px;
  background: rgba(5, 15, 10, 0.88);
  color: rgba(240, 255, 244, 0.9);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

body[data-page="snake-rina"] .snake-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 310px);
  gap: clamp(0.7rem, 1.4vw, 1rem);
  align-items: stretch;
}

body[data-page="snake-rina"] .snake-play-column {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 0.58rem;
}

body[data-page="snake-rina"] .snake-board-frame {
  position: relative;
  isolation: isolate;
  width: 100%;
  aspect-ratio: 4 / 3;
  min-height: 0;
  overflow: hidden;
  border: 1px solid rgba(139, 255, 63, 0.32);
  border-radius: 8px;
  background: #010604;
  box-shadow:
    0 28px 72px rgba(0, 0, 0, 0.48),
    0 0 36px rgba(122, 255, 54, 0.08),
    inset 0 0 0 1px rgba(218, 255, 162, 0.04);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

body[data-page="snake-rina"] .snake-board-frame::before,
body[data-page="snake-rina"] .snake-board-frame::after {
  content: "";
  position: absolute;
  z-index: 4;
  pointer-events: none;
}

body[data-page="snake-rina"] .snake-board-frame::before {
  inset: 0.55rem;
  border: 1px solid rgba(184, 255, 44, 0.26);
  border-radius: 6px;
  box-shadow:
    inset 0 0 24px rgba(139, 255, 63, 0.08),
    0 0 18px rgba(139, 255, 63, 0.06);
}

body[data-page="snake-rina"] .snake-board-frame::after {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(184, 255, 44, 0.12), transparent 2%, transparent 98%, rgba(184, 255, 44, 0.12)),
    linear-gradient(180deg, rgba(184, 255, 44, 0.08), transparent 3%, transparent 97%, rgba(184, 255, 44, 0.1));
}

body[data-page="snake-rina"] .snake-board-frame__ornament {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    radial-gradient(circle at 0 0, rgba(184, 255, 44, 0.25), transparent 5rem),
    radial-gradient(circle at 100% 0, rgba(184, 255, 44, 0.18), transparent 5rem),
    radial-gradient(circle at 0 100%, rgba(184, 255, 44, 0.16), transparent 5rem),
    radial-gradient(circle at 100% 100%, rgba(184, 255, 44, 0.2), transparent 5rem);
  mix-blend-mode: screen;
  opacity: 0.55;
}

body[data-page="snake-rina"] #snakeCanvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

body[data-page="snake-rina"] .snake-scanlines {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    repeating-linear-gradient(180deg, rgba(173, 255, 75, 0.025) 0 1px, transparent 1px 4px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 15%, transparent 82%, rgba(0, 0, 0, 0.22));
  mix-blend-mode: screen;
}

body[data-page="snake-rina"] .snake-board-readout {
  position: absolute;
  top: clamp(0.9rem, 2vw, 1.35rem);
  z-index: 5;
  display: grid;
  gap: 0.18rem;
  min-width: 9rem;
  padding: 0.58rem 0.7rem;
  border: 1px solid rgba(184, 255, 44, 0.24);
  border-radius: 5px;
  background: rgba(1, 11, 6, 0.82);
  box-shadow: inset 0 0 16px rgba(184, 255, 44, 0.04);
  pointer-events: none;
}

body[data-page="snake-rina"] .snake-board-readout--left {
  left: clamp(0.9rem, 2vw, 1.35rem);
}

body[data-page="snake-rina"] .snake-board-readout--right {
  right: clamp(0.9rem, 2vw, 1.35rem);
  min-width: 6.4rem;
  text-align: right;
}

body[data-page="snake-rina"] .snake-board-readout strong {
  color: var(--snake-acid);
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: clamp(1rem, 1.8vw, 1.35rem);
  line-height: 1;
}

body[data-page="snake-rina"] .snake-board-readout span {
  color: rgba(241, 255, 245, 0.88);
  font-size: clamp(0.64rem, 1vw, 0.76rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body[data-page="snake-rina"] .snake-board-readout--right strong {
  font-size: clamp(1.25rem, 2.4vw, 1.9rem);
}

body[data-page="snake-rina"] .snake-hearts {
  display: flex;
  gap: 0.32rem;
  padding-top: 0.16rem;
}

body[data-page="snake-rina"] .snake-hearts i {
  position: relative;
  width: 1rem;
  height: 0.86rem;
  transform: rotate(-45deg);
  border-radius: 3px 0 3px 3px;
  background: var(--snake-acid);
  box-shadow: 0 0 9px rgba(184, 255, 44, 0.28);
}

body[data-page="snake-rina"] .snake-hearts i::before,
body[data-page="snake-rina"] .snake-hearts i::after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 0.86rem;
  border-radius: 50%;
  background: inherit;
}

body[data-page="snake-rina"] .snake-hearts i::before {
  top: -0.42rem;
  left: 0;
}

body[data-page="snake-rina"] .snake-hearts i::after {
  top: 0;
  left: 0.42rem;
}

body[data-page="snake-rina"] .snake-overlay {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(0, 7, 4, 0.38);
  backdrop-filter: blur(2px);
}

body[data-page="snake-rina"] .snake-overlay[hidden] {
  display: none;
}

body[data-page="snake-rina"] .snake-overlay-panel {
  width: min(92%, 25rem);
  display: grid;
  justify-items: center;
  gap: 0.65rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid rgba(184, 255, 44, 0.34);
  border-radius: 8px;
  background: rgba(1, 10, 6, 0.95);
  box-shadow:
    0 22px 60px rgba(0, 0, 0, 0.5),
    inset 0 0 28px rgba(139, 255, 63, 0.045);
  text-align: center;
}

body[data-page="snake-rina"] .snake-overlay-panel__eyebrow {
  margin: 0;
  color: var(--snake-acid);
  font: 800 0.72rem/1 ui-monospace, "Cascadia Mono", Consolas, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

body[data-page="snake-rina"] .snake-overlay-panel h2 {
  margin: 0;
  color: rgba(244, 255, 247, 0.97);
  font-family: var(--font-rina, "MountainKingRegular", "Times New Roman", serif);
  font-size: clamp(1.65rem, 4vw, 2.45rem);
  line-height: 0.95;
  letter-spacing: 0;
  text-transform: uppercase;
}

body[data-page="snake-rina"] .snake-overlay-panel > p:not(.snake-overlay-panel__eyebrow) {
  margin: 0;
  color: rgba(225, 239, 229, 0.72);
  font-size: clamp(0.78rem, 1.4vw, 0.9rem);
  line-height: 1.45;
}

body[data-page="snake-rina"] .snake-overlay-reward {
  display: grid;
  grid-template-columns: 2rem auto;
  grid-template-rows: auto auto;
  column-gap: 0.55rem;
  align-items: center;
}

body[data-page="snake-rina"] .snake-overlay-reward[hidden] {
  display: none;
}

body[data-page="snake-rina"] .snake-overlay-reward img {
  grid-row: 1 / 3;
  width: 2rem;
  height: 2rem;
  object-fit: contain;
}

body[data-page="snake-rina"] .snake-overlay-reward strong {
  color: var(--snake-acid-bright);
  font: 800 1.55rem/0.9 ui-monospace, "Cascadia Mono", Consolas, monospace;
  text-align: left;
}

body[data-page="snake-rina"] .snake-overlay-reward span {
  color: rgba(225, 239, 229, 0.62);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-align: left;
  text-transform: uppercase;
}

body[data-page="snake-rina"] .snake-overlay-actions {
  display: flex;
  justify-content: center;
  gap: 0.55rem;
  width: 100%;
  padding-top: 0.2rem;
}

body[data-page="snake-rina"] .snake-primary-action,
body[data-page="snake-rina"] .snake-pause-button {
  min-height: 2.8rem;
  padding: 0 1.1rem;
  border: 1px solid rgba(184, 255, 44, 0.52);
  border-radius: 6px;
  background: rgba(25, 54, 12, 0.92);
  color: #e8ffc2;
  font-family: var(--font-rina, "MountainKingRegular", "Times New Roman", serif);
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 0 22px rgba(184, 255, 44, 0.08);
}

body[data-page="snake-rina"] .snake-primary-action:hover,
body[data-page="snake-rina"] .snake-primary-action:focus-visible,
body[data-page="snake-rina"] .snake-pause-button:hover,
body[data-page="snake-rina"] .snake-pause-button:focus-visible {
  border-color: rgba(225, 255, 134, 0.82);
  background: rgba(40, 80, 20, 0.95);
  outline: none;
}

body[data-page="snake-rina"] .snake-primary-action:disabled {
  cursor: wait;
  opacity: 0.62;
}

body[data-page="snake-rina"] .snake-status {
  min-height: 1.2rem;
  margin: 0;
  color: rgba(225, 239, 229, 0.68);
  font-size: 0.78rem;
  text-align: center;
}

body[data-page="snake-rina"] .snake-status[data-tone="positive"] {
  color: #a8ffd3;
}

body[data-page="snake-rina"] .snake-status[data-tone="warning"] {
  color: #ffd38f;
}

body[data-page="snake-rina"] .snake-sidebar {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 0.7rem;
}

body[data-page="snake-rina"] .snake-score-panel,
body[data-page="snake-rina"] .snake-rules-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(139, 255, 63, 0.2);
  border-radius: 8px;
  background: var(--snake-panel);
  box-shadow:
    0 20px 48px rgba(0, 0, 0, 0.32),
    inset 0 0 24px rgba(139, 255, 63, 0.035);
}

body[data-page="snake-rina"] .snake-score-panel {
  display: grid;
  gap: 0.95rem;
  padding: clamp(1rem, 2vw, 1.35rem);
}

body[data-page="snake-rina"] .snake-score-row {
  display: grid;
  gap: 0.16rem;
}

body[data-page="snake-rina"] .snake-score-row span {
  color: rgba(184, 255, 44, 0.74);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

body[data-page="snake-rina"] .snake-score-row strong {
  color: #dfff9f;
  font: 800 clamp(2rem, 4vw, 3.1rem)/0.9 ui-monospace, "Cascadia Mono", Consolas, monospace;
  text-shadow: 0 0 18px rgba(184, 255, 44, 0.18);
}

body[data-page="snake-rina"] .snake-score-coin {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  width: clamp(3.8rem, 8vw, 5.3rem);
  height: clamp(3.8rem, 8vw, 5.3rem);
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(184, 255, 44, 0.24));
  opacity: 0.86;
}

body[data-page="snake-rina"] .snake-rules-panel {
  display: grid;
  align-content: start;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.35rem);
}

body[data-page="snake-rina"] .snake-rules-panel h2 {
  margin: 0;
  color: rgba(244, 255, 247, 0.94);
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

body[data-page="snake-rina"] .snake-rules-panel ul {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

body[data-page="snake-rina"] .snake-rules-panel li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
  color: rgba(222, 236, 226, 0.7);
  font-size: 0.78rem;
  line-height: 1.35;
}

body[data-page="snake-rina"] .snake-rules-panel li img {
  width: 2rem;
  height: 2rem;
  margin-inline: auto;
  object-fit: contain;
}

body[data-page="snake-rina"] .snake-rule-icon,
body[data-page="snake-rina"] .snake-rule-symbol {
  display: grid;
  place-items: center;
  min-height: 2rem;
  color: var(--snake-acid);
  font: 800 0.55rem/1 ui-monospace, "Cascadia Mono", Consolas, monospace;
  text-align: center;
}

body[data-page="snake-rina"] .snake-rule-symbol {
  font-size: 1.35rem;
}

body[data-page="snake-rina"] .snake-pause-button {
  width: 100%;
  min-height: 3.6rem;
  font-size: 1.25rem;
}

body[data-page="snake-rina"] .snake-mobile-controls {
  display: none;
}

@media (max-width: 980px) {
  body[data-page="snake-rina"] .snake-layout {
    grid-template-columns: 1fr;
  }

  body[data-page="snake-rina"] .snake-sidebar {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    grid-template-rows: auto auto;
  }

  body[data-page="snake-rina"] .snake-pause-button {
    grid-column: 1 / -1;
    min-height: 3rem;
  }

  body[data-page="snake-rina"] .snake-rules-panel ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body[data-page="snake-rina"] .snake-main {
    gap: 0.65rem;
    padding: calc(0.55rem + env(safe-area-inset-top, 0px)) 0.5rem calc(1rem + env(safe-area-inset-bottom, 0px));
  }

  body[data-page="snake-rina"] .snake-hero {
    align-items: center;
  }

  body[data-page="snake-rina"] .snake-hero h1 {
    font-size: clamp(1.85rem, 10vw, 2.65rem);
  }

  body[data-page="snake-rina"] .snake-hero > div > p:last-child,
  body[data-page="snake-rina"] .snake-hero__eyebrow {
    display: none;
  }

  body[data-page="snake-rina"] .snake-back {
    min-height: 2.25rem;
    padding-inline: 0.7rem;
    font-size: 0.62rem;
  }

  body[data-page="snake-rina"] .snake-board-frame {
    border-radius: 6px;
  }

  body[data-page="snake-rina"] .snake-board-readout {
    top: 0.75rem;
    min-width: 6rem;
    padding: 0.4rem 0.48rem;
  }

  body[data-page="snake-rina"] .snake-board-readout--left {
    left: 0.75rem;
  }

  body[data-page="snake-rina"] .snake-board-readout--right {
    right: 0.75rem;
  }

  body[data-page="snake-rina"] .snake-board-readout strong {
    font-size: 0.78rem;
  }

  body[data-page="snake-rina"] .snake-board-readout span {
    font-size: 0.5rem;
  }

  body[data-page="snake-rina"] .snake-board-readout--right strong {
    font-size: 1rem;
  }

  body[data-page="snake-rina"] .snake-hearts i {
    width: 0.65rem;
    height: 0.55rem;
  }

  body[data-page="snake-rina"] .snake-hearts i::before,
  body[data-page="snake-rina"] .snake-hearts i::after {
    width: 0.65rem;
    height: 0.55rem;
  }

  body[data-page="snake-rina"] .snake-hearts i::before {
    top: -0.27rem;
  }

  body[data-page="snake-rina"] .snake-hearts i::after {
    left: 0.27rem;
  }

  body[data-page="snake-rina"] .snake-overlay-panel {
    gap: 0.45rem;
    padding: 0.8rem;
  }

  body[data-page="snake-rina"] .snake-overlay-panel h2 {
    font-size: clamp(1.35rem, 7vw, 1.85rem);
  }

  body[data-page="snake-rina"] .snake-overlay-panel > p:not(.snake-overlay-panel__eyebrow) {
    font-size: 0.7rem;
  }

  body[data-page="snake-rina"] .snake-primary-action,
  body[data-page="snake-rina"] .snake-secondary-action {
    min-height: 2.35rem;
    font-size: 0.7rem;
  }

  body[data-page="snake-rina"] .snake-status {
    display: none;
  }

  body[data-page="snake-rina"] .snake-mobile-controls {
    display: grid;
    grid-template-columns: repeat(3, 3.25rem);
    grid-template-rows: repeat(3, 3.25rem);
    justify-content: center;
    gap: 0.35rem;
    padding: 0.18rem 0;
    touch-action: none;
  }

  body[data-page="snake-rina"] .snake-mobile-controls button {
    display: grid;
    place-items: center;
    min-width: 0;
    min-height: 0;
    padding: 0;
    border: 1px solid rgba(184, 255, 44, 0.32);
    border-radius: 7px;
    background: rgba(4, 17, 10, 0.94);
    color: #dfff9f;
    font-size: 1.25rem;
    font-weight: 800;
    touch-action: manipulation;
  }

  body[data-page="snake-rina"] .snake-mobile-controls button:first-child {
    grid-column: 2;
  }

  body[data-page="snake-rina"] .snake-mobile-controls button:nth-child(2) {
    grid-column: 1;
    grid-row: 2;
  }

  body[data-page="snake-rina"] .snake-mobile-controls__pause {
    grid-column: 2;
    grid-row: 2;
    font-size: 0.75rem !important;
  }

  body[data-page="snake-rina"] .snake-mobile-controls button:nth-child(4) {
    grid-column: 3;
    grid-row: 2;
  }

  body[data-page="snake-rina"] .snake-mobile-controls button:nth-child(5) {
    grid-column: 2;
    grid-row: 3;
  }

  body[data-page="snake-rina"] .snake-sidebar {
    grid-template-columns: 1fr;
  }

  body[data-page="snake-rina"] .snake-score-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
    padding: 0.75rem;
  }

  body[data-page="snake-rina"] .snake-score-row strong {
    font-size: 1.65rem;
  }

  body[data-page="snake-rina"] .snake-score-coin,
  body[data-page="snake-rina"] .snake-rules-panel,
  body[data-page="snake-rina"] .snake-pause-button {
    display: none;
  }
}

@media (max-width: 430px) {
  body[data-page="snake-rina"] .snake-overlay-actions {
    gap: 0.38rem;
  }

  body[data-page="snake-rina"] .snake-overlay-panel {
    width: min(94%, 22rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-page="snake-rina"] *,
  body[data-page="snake-rina"] *::before,
  body[data-page="snake-rina"] *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}