:root {
  --page-bg: #0f0a08;
  --shadow: 0 28px 90px rgba(8, 5, 4, 0.55);
}

* {
  box-sizing: border-box;
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: linear-gradient(180deg, var(--bg-base-1) 0%, var(--bg-base-2) 100%);
  font-family: "Segoe UI", Tahoma, sans-serif;
}

body[data-bg="royal"] {
  --bg-base-1: #17100d;
  --bg-base-2: #0f0a08;
  --blob-1: rgba(191, 140, 55, 0.24);
  --blob-2: rgba(120, 39, 26, 0.22);
  --blob-3: rgba(125, 68, 31, 0.16);
  --blob-4: rgba(204, 150, 59, 0.14);
  --ring: rgba(232, 200, 126, 0.18);
  --grid: rgba(255, 236, 196, 0.06);
  --glow-1: rgba(226, 176, 78, 0.18);
  --glow-2: rgba(145, 47, 31, 0.14);
  --glow-3: rgba(255, 219, 152, 0.08);
}

body[data-bg="ember"] {
  --bg-base-1: #190907;
  --bg-base-2: #090404;
  --blob-1: rgba(255, 113, 45, 0.24);
  --blob-2: rgba(255, 170, 57, 0.18);
  --blob-3: rgba(153, 26, 25, 0.16);
  --blob-4: rgba(255, 214, 133, 0.12);
  --ring: rgba(255, 167, 95, 0.16);
  --grid: rgba(255, 225, 195, 0.05);
  --glow-1: rgba(255, 116, 51, 0.22);
  --glow-2: rgba(255, 176, 66, 0.15);
  --glow-3: rgba(255, 230, 155, 0.08);
}

.background-graphics {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.bg-blob,
.bg-ring,
.bg-grid {
  position: absolute;
  pointer-events: none;
}

.bg-blob {
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.9;
  mix-blend-mode: screen;
}

.blob-a {
  left: -8%;
  top: -6%;
  width: 34vw;
  height: 34vw;
  min-width: 260px;
  min-height: 260px;
  background: radial-gradient(circle, var(--blob-1) 0%, transparent 62%);
  animation: blobFloatA 22s ease-in-out infinite alternate;
}

.blob-b {
  right: -6%;
  top: 8%;
  width: 28vw;
  height: 28vw;
  min-width: 230px;
  min-height: 230px;
  background: radial-gradient(circle, var(--blob-2) 0%, transparent 64%);
  animation: blobFloatB 26s ease-in-out infinite alternate;
}

.blob-c {
  left: 18%;
  bottom: -8%;
  width: 30vw;
  height: 30vw;
  min-width: 240px;
  min-height: 240px;
  background: radial-gradient(circle, var(--blob-3) 0%, transparent 66%);
  animation: blobFloatC 24s ease-in-out infinite alternate;
}

.blob-d {
  right: 20%;
  bottom: 6%;
  width: 22vw;
  height: 22vw;
  min-width: 180px;
  min-height: 180px;
  background: radial-gradient(circle, var(--blob-4) 0%, transparent 62%);
  animation: blobPulse 18s ease-in-out infinite alternate;
}

.bg-ring {
  border-radius: 50%;
  border: 1px solid var(--ring);
  opacity: 0.6;
}

.ring-a {
  width: 42vw;
  height: 42vw;
  min-width: 360px;
  min-height: 360px;
  left: -10vw;
  top: 18vh;
  animation: ringRotateA 30s linear infinite;
}

.ring-b {
  width: 30vw;
  height: 30vw;
  min-width: 260px;
  min-height: 260px;
  right: -6vw;
  bottom: 8vh;
  animation: ringRotateB 24s linear infinite reverse;
}

.bg-grid {
  inset: 0;
  opacity: 0.55;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black 34%, transparent 90%);
  animation: gridShift 18s linear infinite;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: -18vmax;
  pointer-events: none;
}

body::before {
  z-index: 0;
  opacity: 0.88;
  background:
    radial-gradient(circle at 18% 24%, var(--blob-1), transparent 18%),
    radial-gradient(circle at 82% 18%, var(--blob-2), transparent 20%),
    radial-gradient(circle at 24% 82%, var(--blob-3), transparent 22%),
    radial-gradient(circle at 76% 76%, var(--blob-4), transparent 18%),
    linear-gradient(140deg, rgba(40, 24, 18, 0.96), rgba(12, 8, 6, 0.98));
  animation: ambientDrift 20s ease-in-out infinite alternate;
}

body::after {
  z-index: 0;
  opacity: 0.5;
  filter: blur(34px);
  background:
    radial-gradient(circle at 30% 30%, var(--glow-1), transparent 20%),
    radial-gradient(circle at 72% 32%, var(--glow-2), transparent 18%),
    radial-gradient(circle at 56% 72%, var(--glow-3), transparent 16%);
  animation: ambientGlow 28s ease-in-out infinite alternate;
}

body[data-bg="midnight"] {
  --bg-base-1: #071018;
  --bg-base-2: #03070d;
  --blob-1: rgba(63, 116, 182, 0.22);
  --blob-2: rgba(35, 177, 164, 0.18);
  --blob-3: rgba(112, 65, 180, 0.14);
  --blob-4: rgba(148, 210, 255, 0.1);
  --ring: rgba(124, 209, 255, 0.14);
  --grid: rgba(198, 237, 255, 0.05);
  --glow-1: rgba(57, 133, 224, 0.18);
  --glow-2: rgba(48, 199, 182, 0.12);
  --glow-3: rgba(170, 214, 255, 0.07);
}

img,
canvas {
  display: block;
  max-width: 100%;
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 18px 10px;
  display: grid;
  place-items: center;
}

.card-stage {
  width: min(100%, 760px);
}

.card-frame {
  position: relative;
  width: 100%;
  box-shadow: var(--shadow);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 230, 181, 0.08);
}

.card-carousel {
  touch-action: pan-y pinch-zoom;
  user-select: none;
  cursor: grab;
  outline: none;
}

.card-carousel.is-pointer-down,
.card-carousel.is-dragging {
  cursor: grabbing;
}

.card-image {
  width: 100%;
  height: auto;
  pointer-events: none;
  transition: transform 240ms ease, opacity 240ms ease;
}

.map-overlay {
  position: absolute;
  display: block;
  z-index: 2;
  background: transparent;
  border-radius: 14px;
  text-decoration: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.map-overlay:hover,
.map-overlay:focus-visible {
  transform: scale(1.008);
  box-shadow: inset 0 0 0 2px rgba(183, 137, 52, 0.24);
  background: rgba(255, 255, 255, 0.05);
}

.map-overlay-marathi {
  left: 17.2%;
  top: 78.8%;
  width: 65.2%;
  height: 10.2%;
}

.map-overlay-english {
  left: 20.2%;
  top: 78.3%;
  width: 60.6%;
  height: 10.4%;
}

.card-meta {
  margin-top: 16px;
  display: grid;
  justify-items: center;
  gap: 0;
  text-align: center;
}

.language-toggle {
  min-width: 152px;
  padding: 12px 24px;
  border: 1px solid rgba(255, 219, 162, 0.28);
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(158, 67, 37, 0.92), rgba(103, 33, 21, 0.94)),
    rgba(46, 16, 11, 0.9);
  box-shadow:
    0 14px 28px rgba(10, 4, 3, 0.3),
    inset 0 1px 0 rgba(255, 232, 205, 0.18);
  color: #fff1d8;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.language-toggle:hover,
.language-toggle:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 227, 180, 0.44);
  box-shadow:
    0 18px 34px rgba(10, 4, 3, 0.34),
    inset 0 1px 0 rgba(255, 239, 219, 0.24);
}

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

@keyframes ambientDrift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(-1.5%, 1.2%, 0) scale(1.03);
  }

  100% {
    transform: translate3d(1.4%, -1.1%, 0) scale(1.05);
  }
}

@keyframes ambientGlow {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.4;
  }

  50% {
    transform: translate3d(1.5%, -1.2%, 0) scale(1.08);
    opacity: 0.58;
  }

  100% {
    transform: translate3d(-1.2%, 1.3%, 0) scale(1.02);
    opacity: 0.46;
  }
}

@keyframes blobFloatA {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  100% {
    transform: translate3d(6vw, 3vh, 0) scale(1.12);
  }
}

@keyframes blobFloatB {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  100% {
    transform: translate3d(-5vw, 5vh, 0) scale(1.08);
  }
}

@keyframes blobFloatC {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  100% {
    transform: translate3d(4vw, -4vh, 0) scale(1.1);
  }
}

@keyframes blobPulse {
  0% {
    transform: scale(0.94);
    opacity: 0.72;
  }

  100% {
    transform: scale(1.16);
    opacity: 0.94;
  }
}

@keyframes ringRotateA {
  from {
    transform: rotate(0deg) scale(1);
  }

  to {
    transform: rotate(360deg) scale(1.06);
  }
}

@keyframes ringRotateB {
  from {
    transform: rotate(0deg) scale(1);
  }

  to {
    transform: rotate(360deg) scale(0.94);
  }
}

@keyframes gridShift {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(22px, 22px, 0);
  }
}

@media (max-width: 600px) {
  .page {
    padding: 10px 4px 20px;
  }

  .card-frame {
    border-radius: 12px;
  }

  .map-overlay {
    border-radius: 11px;
  }

  .map-overlay-marathi {
    left: 17.2%;
    top: 78.8%;
    width: 65.2%;
    height: 10.2%;
  }

  .map-overlay-english {
    left: 20.2%;
    top: 78.3%;
    width: 60.6%;
    height: 10.4%;
  }

  .language-toggle {
    min-width: 138px;
    padding: 11px 20px;
    font-size: 0.94rem;
  }

  .bg-grid {
    background-size: 34px 34px;
  }
}

@media (max-width: 420px) {
  .page {
    padding: 8px 0 18px;
  }

  .card-stage {
    width: min(100%, 100vw);
  }

  .card-frame {
    border-radius: 10px;
  }

  .card-meta {
    margin-top: 14px;
    padding: 0 12px;
  }

  .language-toggle {
    width: min(100%, 180px);
    min-width: 0;
    padding: 10px 18px;
    font-size: 0.9rem;
  }
}