@font-face {
  font-family: "Axion";
  src: url("./fonts/Axion PERSONAL USE ONLY!.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: "ClashDisplay";
  src: url("./fonts/ClashDisplay-Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
}

@font-face {
  font-family: "ClashDisplay";
  src: url("./fonts/ClashDisplay-Semibold.otf") format("opentype");
  font-weight: 600;
  font-style: normal;
}

@font-face {
  font-family: "Valorant";
  src: url("./fonts/Valorant_Font.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
}

@font-face {
  font-family: "ClashDisplay";
  src: url("./fonts/ClashDisplay-Medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
}

body {
  background-color: #f2f2f8;
  font-family: "ClashDisplay", sans-serif;
  color: #2d0060;
  font-size: 24px;
  font-weight: 500;
  margin: 0;
}

/* === Three.js canvas fills the viewport === */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* === Board is hidden — Three.js renders it visually === */
.board {
  display: none;
}

/* === Title — hidden; Three.js renders it as a 3-D canvas-texture plane === */
h1 {
  display: none;
}

/* === Message — fixed below title === */
h2 {
  position: fixed;
  top: 160px;
  left: 0;
  width: 100%;
  text-align: center;
  margin: 0;
  font-size: 18px;
  font-family: "ClashDisplay", sans-serif;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* === Controls group — fixed, centered at bottom === */
.controls {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* vs-computer always on — hide toggle everywhere */
.controls label {
  display: none;
}

/* === Reset button — position: relative so ::before/::after glow escapes correctly === */
#reset-btn {
  position: relative; /* must NOT be fixed — keeps pseudo-element z-index working */
  background-color: #1a1919;
  color: #fffdfd;
  border: none;
  padding: 10px 24px;
  font-size: 20px;
  border-radius: 8px;
  cursor: pointer;
  font-family: "Doto", sans-serif;
  font-weight: 700;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  background-clip: border-box !important;
  -webkit-background-clip: border-box !important;
  -webkit-text-fill-color: #fdfdfd !important;
}

/* === Controls row — holds Reset + Next Round side by side === */
.controls-row {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
}

/* === Next Round button — secondary style, appears only on match win === */
#next-round-btn {
  position: relative;
  background-color: #0d0d0d;
  color: #c8ffb0;
  border: 1.5px solid #44ff66;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  font-family: "Doto", sans-serif;
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  box-shadow: 0 0 8px 1px rgba(68, 255, 102, 0.35);
  transition: box-shadow 0.2s;
}
#next-round-btn:hover {
  box-shadow: 0 0 14px 4px rgba(68, 255, 102, 0.6);
}

/* === Checkbox label === */
label {
  white-space: nowrap;
  cursor: pointer;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* === Title Animations === */
@keyframes bw-gradient-move {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

@keyframes drop-in {
  0% {
    transform: translateY(-400%);
    opacity: 0;
  }
  60% {
    transform: translateY(30%);
    opacity: 1;
  }
  80% {
    transform: translateY(-30%);
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

/* === Gradient Animated Text (title + message) === */
body h1,
body h2 {
  background: linear-gradient(
    360deg,
    #2d0060 0%,
    #0a0080 25%,
    #001a70 50%,
    #3d0080 75%,
    #2d0060 100%
  );
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  text-shadow: 0 2px 8px rgba(45, 0, 100, 0.18);
}

h2 {
  animation:
    bw-gradient-move 7s linear infinite,
    drop-in 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* === Reset Button glow === */
@property --angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

#reset-btn::after,
#reset-btn::before {
  content: "";
  position: absolute;
  height: 90%;
  width: 100%;
  background-image: conic-gradient(
    from var(--angle),
    transparent 3%,
    rgb(21, 0, 255),
    rgb(121, 60, 165),
    rgb(1, 169, 191),
    rgb(216, 56, 147),
    rgb(68, 0, 255)
  );
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  z-index: -1;
  padding: 3px;
  border: none;
  border-radius: 8px;
  animation: 3s spin linear infinite;
}
#reset-btn::before {
  filter: blur(1.5rem);
  opacity: 0.5;
}
@keyframes spin {
  from {
    --angle: 0deg;
  }
  to {
    --angle: 360deg;
  }
}
#reset-btn:hover {
  box-shadow:
    0 0 1px 1px #eae9e9,
    0 0 5px 5px #523ee8;
}

/* === Checkbox === */
#vs-computer {
  accent-color: #0004ff;
  font-size: 1.1em;
  vertical-align: middle;
  margin-right: 6px;
}

/* === Round Label — shown at top on round 2+ === */
.round-label {
  position: fixed;
  top: 186px;
  left: 0;
  width: 100%;
  text-align: center;
  margin: 0;
  font-family: "ClashDisplay", sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  pointer-events: none;
  /* Cycling rainbow gradient — trippy, not just purple */
  background: linear-gradient(
    90deg,
    #ff00cc,
    #aa00ff,
    #0055ff,
    #00ccff,
    #00ffaa,
    #ccff00,
    #ff6600,
    #ff00cc
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: rainbow-move 3s linear infinite;
}

@keyframes rainbow-move {
  from {
    background-position: 0% center;
  }
  to {
    background-position: 200% center;
  }
}

/* === Score Bar === */
.score-bar {
  position: fixed;
  top: 200px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 120px;
  box-sizing: border-box;
  pointer-events: none;
}

.score-side {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.score-label {
  font-family: "ClashDisplay", sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  opacity: 0.55;
  color: #2d0060;
}

.score-num {
  font-family: "ClashDisplay", sans-serif;
  font-weight: 700;
  font-size: 3.2rem;
  line-height: 1;
  color: #2d0060;
  display: inline-block;
  /* stacked 3-D shadow — each layer shifts 1px deeper */
  text-shadow:
    1px 1px 0 rgba(45, 0, 96, 0.35),
    2px 2px 0 rgba(45, 0, 96, 0.28),
    3px 3px 0 rgba(45, 0, 96, 0.2),
    4px 4px 0 rgba(45, 0, 96, 0.14),
    5px 5px 10px rgba(45, 0, 96, 0.3);
}

/* === Score pop / glitch animation === */
@keyframes score-glitch {
  0% {
    transform: scale(1) skewX(0deg);
    color: #2d0060;
    text-shadow: none;
  }
  8% {
    transform: scale(1.7) skewX(-10deg);
    color: #ff00ff;
    text-shadow:
      4px 0 #00ffff,
      -4px 0 #ff00ff;
  }
  18% {
    transform: scale(0.65) skewX(8deg);
    color: #00ffff;
    text-shadow:
      -3px 0 #ff00ff,
      3px 0 #00ffff;
  }
  28% {
    transform: scale(1.4) skewX(-6deg);
    color: #ffff00;
    text-shadow: 3px 0 #ff4400;
  }
  38% {
    transform: scale(0.8) skewX(5deg);
    color: #ff4400;
    text-shadow: -2px 0 #44ff00;
  }
  50% {
    transform: scale(1.25) skewX(-3deg);
    color: #44ff00;
    text-shadow: 2px 0 #0088ff;
  }
  62% {
    transform: scale(0.9) skewX(2deg);
    color: #ff00ff;
    text-shadow: none;
  }
  75% {
    transform: scale(1.1);
    color: #0088ff;
  }
  88% {
    transform: scale(1.02);
    color: #2d0060;
  }
  100% {
    transform: scale(1) skewX(0deg);
    color: #2d0060;
    text-shadow: none;
  }
}

.score-pop {
  animation: score-glitch 0.58s steps(1) forwards;
}

/* === Match-win score — yellow / red diagonal stripes === */
.score-match-win {
  background: repeating-linear-gradient(
    -55deg,
    #ffd700 0px,
    #ffd700 8px,
    #ff2200 8px,
    #ff2200 16px
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: none !important;
  /* Replace dark purple 3-D shadow with a warm golden one so the stripe stays vivid */
  text-shadow:
    1px 1px 0 rgba(200, 80, 0, 0.45),
    2px 2px 0 rgba(180, 60, 0, 0.35),
    3px 3px 0 rgba(160, 40, 0, 0.25),
    4px 4px 8px rgba(255, 140, 0, 0.4);
}

/* ═══ Landing Overlay ═══════════════════════════════════════════════════════ */

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

#landing-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 10, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fade-in 0.9s ease both;
  transition: opacity 0.5s ease;
}

#landing-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

/* No card — text floats directly over the spinning cube */
#landing-card {
  text-align: center;
  max-width: 460px;
  width: 90%;
  padding: 0 24px;
}

#landing-game-title {
  font-family: "ClashDisplay", sans-serif;
  font-weight: 700;
  font-size: 3rem;
  letter-spacing: 0.04em;
  margin: 0 0 20px;
  background: linear-gradient(
    90deg,
    #ff00cc,
    #aa00ff,
    #0055ff,
    #00ccff,
    #00ffaa,
    #ccff00,
    #ff6600,
    #ff00cc
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: rainbow-move 8s linear infinite;
  filter: drop-shadow(0 0 18px rgba(120, 60, 255, 0.5));
}

#landing-tagline {
  font-family: "ClashDisplay", sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: rgba(230, 215, 255, 0.95);
  margin: 0 0 14px;
  text-shadow: 0 0 20px rgba(140, 80, 255, 0.5);
}

#landing-desc {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1rem;
  color: rgba(200, 185, 240, 0.85);
  line-height: 1.65;
  margin: 0 0 40px;
}

/* Play button — same conic-gradient engine as Reset Game */
#play-btn {
  position: relative;
  background-color: #1a1919;
  color: #fffdfd;
  border: none;
  padding: 12px 36px;
  font-size: 20px;
  border-radius: 8px;
  cursor: pointer;
  font-family: "Doto", sans-serif;
  font-weight: 700;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  -webkit-text-fill-color: #fdfdfd;
}

#play-btn::after,
#play-btn::before {
  content: "";
  position: absolute;
  height: 90%;
  width: 100%;
  background-image: conic-gradient(
    from var(--angle),
    transparent 3%,
    rgb(21, 0, 255),
    rgb(121, 60, 165),
    rgb(1, 169, 191),
    rgb(216, 56, 147),
    rgb(68, 0, 255)
  );
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  z-index: -1;
  padding: 3px;
  border-radius: 8px;
  animation: 3s spin linear infinite;
}

#play-btn::before {
  filter: blur(1.5rem);
  opacity: 0.5;
}

#play-btn:hover {
  box-shadow:
    0 0 1px 1px #eae9e9,
    0 0 5px 5px #523ee8;
}

/* ═══ About Button ═══════════════════════════════════════════════════════════ */

#about-btn {
  position: fixed;
  top: 16px;
  right: 16px;
  background: conic-gradient(
    from var(--angle),
    #00ff88,
    #aaff44,
    #00ffcc,
    #44ff99,
    #00ff88
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 10;
  padding: 4px;
  line-height: 1;
  filter: drop-shadow(0 0 2px rgba(0, 255, 120, 0.7))
    drop-shadow(0 0 10px rgba(0, 200, 80, 0.25));
  animation: spin 7s linear infinite;
  transition: filter 0.2s;
}

#about-btn:hover {
  filter: drop-shadow(0 0 4px rgba(0, 255, 140, 1))
    drop-shadow(0 0 18px rgba(0, 230, 100, 0.55))
    drop-shadow(0 0 36px rgba(0, 180, 70, 0.2));
}

@media (max-width: 600px) {
  #about-btn {
    top: auto;
    right: auto;
    bottom: 10px;
    left: 68px;
    font-size: 1rem;
  }
}

/* ═══ About Modal ════════════════════════════════════════════════════════════ */

#about-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 10, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

#about-modal.visible {
  display: flex;
  animation: fade-in 0.3s ease both;
}

#about-card {
  position: relative;
  max-width: 440px;
  width: 90%;
  padding: 36px 36px 32px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  box-shadow:
    0 0 60px rgba(80, 30, 200, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(200, 185, 240, 0.75);
}

#about-card h3 {
  font-family: "ClashDisplay", sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(180, 140, 255, 0.9);
  margin: 0 0 10px;
}

#about-card h3 + * {
  margin-top: 0;
}

#about-card h3:not(:first-of-type) {
  margin-top: 22px;
}

#about-card ul {
  margin: 0;
  padding-left: 18px;
}

#about-card li {
  margin-bottom: 5px;
}

#about-card p {
  margin: 0;
}

#about-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  color: rgba(200, 180, 255, 0.4);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 6px;
  transition: color 0.2s;
  line-height: 1;
}

#about-close:hover {
  color: rgba(200, 180, 255, 0.9);
}

/* Mobile adjustments for overlay + modal */
@media (max-width: 600px) {
  #landing-game-title {
    font-size: 2.2rem;
  }
  #landing-tagline {
    font-size: 0.9rem;
  }
  #landing-desc {
    font-size: 0.9rem;
    margin-bottom: 30px;
  }
  #play-btn {
    padding: 10px 28px;
    font-size: 16px;
    letter-spacing: 0.4em;
  }
  #about-card {
    padding: 28px 20px 22px;
  }
}

/* === Copyright === */
.copyright {
  position: fixed;
  bottom: 10px;
  right: 16px;
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #2d0060;
  opacity: 0.18;
  pointer-events: none;
}

/* === Responsive === */

/* Tablet — 601–900px */
@media (max-width: 900px) and (min-width: 601px) {
  h2 {
    top: 130px;
    font-size: 15px;
  }
  .round-label {
    top: 152px;
  }
  .score-bar {
    top: 168px;
    padding: 0 60px;
  }
  .score-num {
    font-size: 2.6rem;
  }
}

/* Mobile — ≤ 600px */
@media (max-width: 600px) {
  /* Move turn message to bottom so it doesn't crowd the title */
  h2 {
    top: auto;
    bottom: 100px;
    font-size: 12px;
    letter-spacing: 0.15em;
  }
  .round-label {
    top: 124px;
    font-size: 0.65rem;
    letter-spacing: 0.25em;
  }
  .score-bar {
    top: 142px;
    padding: 0 14px;
  }
  .score-num {
    font-size: 1.9rem;
  }
  .score-label {
    font-size: 0.7rem;
  }
  .controls {
    bottom: 26px;
    gap: 8px;
  }
  #reset-btn {
    font-size: 14px;
    padding: 8px 14px;
    letter-spacing: 0.3em;
  }
  #next-round-btn {
    font-size: 13px;
    padding: 8px 12px;
    letter-spacing: 0.25em;
  }
  label {
    font-size: 0.62rem;
    letter-spacing: 0.06em;
    opacity: 0.55;
  }
}

/* Small phones — ≤ 400px */
@media (max-width: 400px) {
  h2 {
    top: auto;
    bottom: 96px;
    font-size: 11px;
  }
  .round-label {
    top: 104px;
    font-size: 0.6rem;
  }
  .score-bar {
    top: 120px;
    padding: 0 8px;
  }
  .score-num {
    font-size: 1.6rem;
  }
  .controls {
    bottom: 20px;
  }
  #reset-btn {
    font-size: 12px;
    padding: 7px 10px;
    letter-spacing: 0.2em;
  }
  #next-round-btn {
    font-size: 11px;
    padding: 7px 10px;
  }
}

/* ═══════════════════════════════════════════════════════════
   DARK MODE — holographic black with studio center light
   Activated by adding class "dark" to <body>
   ═══════════════════════════════════════════════════════════ */

/* --- Holographic shimmer keyframes (used by dark body::before) --- */
@keyframes holo-shift {
  0% {
    background-position: 0% 0%;
  }
  33% {
    background-position: 100% 50%;
  }
  66% {
    background-position: 50% 100%;
  }
  100% {
    background-position: 0% 0%;
  }
}

body.dark {
  background-color: #08080f;
  color: #e0d0ff;
  overflow: hidden;
}

/* Studio spotlight — bright center, deep vignette edges */
body.dark::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    /* Center studio hotspot — warm soft glow behind the cube */
    radial-gradient(
      ellipse 55% 50% at 50% 50%,
      rgba(200, 180, 255, 0.14) 0%,
      transparent 60%
    ),
    /* Subtle cyan accent upper-right */
    radial-gradient(
        ellipse at 75% 15%,
        rgba(0, 200, 255, 0.07) 0%,
        transparent 45%
      ),
    /* Magenta accent lower-left */
    radial-gradient(
        ellipse at 25% 85%,
        rgba(255, 0, 180, 0.06) 0%,
        transparent 45%
      ),
    /* Deep purple mid-layer */
    radial-gradient(
        ellipse at 50% 50%,
        rgba(60, 0, 120, 0.12) 0%,
        transparent 70%
      ),
    /* Dark vignette — pushes edges to near-black */
    radial-gradient(
        ellipse 70% 65% at 50% 50%,
        transparent 40%,
        rgba(0, 0, 8, 0.7) 100%
      );
  background-size:
    200% 200%,
    200% 200%,
    200% 200%,
    100% 100%,
    100% 100%;
  animation: holo-shift 12s ease-in-out infinite alternate;
  pointer-events: none;
}

/* Static vignette overlay — extra edge darkening for depth */
body.dark::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background: radial-gradient(
    ellipse 60% 55% at 50% 48%,
    transparent 30%,
    rgba(0, 0, 0, 0.55) 100%
  );
  pointer-events: none;
}

/* Text gradient — lighter for dark bg */
body.dark h1,
body.dark h2 {
  background: linear-gradient(
    360deg,
    #c8a0ff 0%,
    #80b0ff 25%,
    #60ddff 50%,
    #d080ff 75%,
    #c8a0ff 100%
  );
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 2px 8px rgba(160, 100, 255, 0.25);
}

body.dark .score-label {
  color: #c0a0ff;
}

body.dark .score-num {
  color: #e0d0ff;
  text-shadow:
    1px 1px 0 rgba(160, 80, 255, 0.4),
    2px 2px 0 rgba(140, 60, 255, 0.3),
    3px 3px 0 rgba(120, 40, 255, 0.2),
    4px 4px 0 rgba(100, 20, 255, 0.15),
    5px 5px 10px rgba(100, 0, 255, 0.35);
}

body.dark .copyright {
  color: #c0a0ff;
}

body.dark #vs-computer {
  appearance: none;
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  border: 1.5px solid rgba(0, 210, 255, 0.6);
  border-radius: 3px;
  background: rgba(0, 150, 255, 0.08);
  box-shadow:
    0 0 6px rgba(0, 210, 255, 0.35),
    inset 0 0 4px rgba(0, 210, 255, 0.1);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: box-shadow 0.2s;
}

body.dark #vs-computer:checked {
  background: linear-gradient(135deg, #00ccff 0%, #5544ff 100%);
  box-shadow:
    0 0 10px rgba(0, 200, 255, 0.65),
    inset 0 0 5px rgba(255, 255, 255, 0.15);
}

body.dark #vs-computer:checked::after {
  content: "✓";
  position: absolute;
  color: #fff;
  font-size: 9px;
  top: -1px;
  left: 1px;
  line-height: 1;
}

body.dark label {
  color: #ff4444;
}

/* Dark-mode theme toggle — pill switch */
#theme-toggle {
  position: fixed;
  bottom: 11px;
  left: 16px;
  width: 42px;
  height: 22px;
  border-radius: 11px;
  border: 1.5px solid rgba(140, 100, 240, 0.3);
  background: rgba(140, 100, 240, 0.08);
  cursor: pointer;
  z-index: 10;
  padding: 0;
  font-size: 0;
  box-shadow: 0 0 8px rgba(120, 80, 220, 0.1);
  transition:
    background 0.35s,
    border-color 0.35s,
    box-shadow 0.35s;
}

#theme-toggle::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  background: #ffcc44;
  box-shadow:
    0 0 8px rgba(255, 180, 0, 0.8),
    0 1px 3px rgba(0, 0, 0, 0.2);
  transition:
    left 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
    background 0.35s,
    box-shadow 0.35s;
}

#theme-toggle:hover {
  border-color: rgba(140, 100, 240, 0.6);
  box-shadow: 0 0 14px rgba(120, 80, 220, 0.28);
}

body.dark #theme-toggle {
  background: rgba(55, 0, 110, 0.45);
  border-color: rgba(160, 90, 255, 0.6);
  box-shadow: 0 0 12px rgba(130, 60, 255, 0.35);
}

body.dark #theme-toggle::after {
  left: 21px;
  background: #bb88ff;
  box-shadow:
    0 0 10px rgba(180, 100, 255, 0.95),
    0 1px 3px rgba(0, 0, 0, 0.3);
}