body {
  margin: 0;
  font-family: "Pixelify Sans", system-ui, sans-serif;
  color: #eee;

  background:
    radial-gradient(#ffffff 1px, transparent 1px),
    radial-gradient(#b7c6ff 1px, transparent 1px),
    radial-gradient(#ffffff 1px, transparent 1px),
    linear-gradient(#070a1a, #0b1b3a);

  background-size:
    80px 80px,
    110px 110px,
    160px 160px,
    100% 100%;

  background-position:
    0 0,
    30px 50px,
    90px 120px,
    0 0;

  background-attachment: fixed;
}

#sky{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

#nightBg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;

  opacity: 0;
  transition: opacity 400ms ease;
}

#moon{
  position: absolute;
  top: 28px;
  left: 28px;
  width: 260px;

  image-rendering: pixelated;
  filter: drop-shadow(0 0 12px rgba(255,220,150,0.35));

  opacity: 0;
  transition: opacity 300ms ease;
}

#sun{
  position: absolute;
  top: 28px;
  left: 28px;
  width: 160px;

  image-rendering: pixelated;
  filter: drop-shadow(0 0 14px rgba(255,200,80,0.5));

  opacity: 1;
  transition: opacity 300ms ease;
}

body.dark #nightBg{
  opacity: 1;
}

body.dark #moon{
  opacity: 1;
}

body.dark #sun{
  opacity: 0;
}

.title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 1px;
}

.btn {
  font-family: "Pixelify Sans", system-ui, sans-serif;
  font-size: 16px;
}

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.menu {
  width: min(420px, 92vw);
  padding: 24px;
  border-radius: 18px;
  border: 1px solid #5A3FD0;
  background: #7B5CFA;
  color: #eee;
}

.title {
  margin: 0;
  font-size: 34px;
}

.subtitle {
  margin: 8px 0 18px;
  opacity: 0.8;
}

.menu-buttons {
  display: grid;
  gap: 12px;
}

.btn {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid #333;
  background: transparent;
  color: #eee;
  font-size: 16px;
  cursor: pointer;
}

.btn.primary {
  background: #eee;
  color: #111;
  border-color: #eee;
}
.btn {
  padding: 12px 14px;
  border-radius: 14px;
  border: 2px solid #3a2ca8;
  background: transparent;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.btn.selected {
  background: #f2f2f2;
  color: #2b1a6a;
  border-color: #ffffff;
  transform: translateY(-1px);
}

.btn:hover:not(.selected) {
  background: rgba(255, 255, 255, 0.12);
}
/* Pixelated background effect */
.pixelated {
  filter: contrast(120%) saturate(120%);
  image-rendering: pixelated;
  transform: scale(1.02);
}

.pixelated::after {
  content: "";
  position: fixed;
  inset: 0;
  backdrop-filter: blur(6px);
  pointer-events: none;
}

.menu { position: relative; }

.row{
  display:flex;
  justify-content: space-between;
  align-items:center;
  margin: 12px 0;
}

.menu {
  position: relative;
}

.settings-icon {
  position: absolute;
  top: 14px;
  right: 14px;

  width: 44px;
  height: 44px;

  display: grid;
  place-items: center;

  border-radius: 12px;
  border: 2px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.10);
  color: #fff;

  cursor: pointer;
}

.settings-icon:hover {
  background: rgba(255,255,255,0.18);
}

.settings-icon .material-symbols-outlined {
  font-size: 26px;
  line-height: 1;
}

.hidden { display: none !important; }

.modal{
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0,0,0,0.55);
  z-index: 9999;
}

.modal-card{
  width: min(420px, 92vw);
  padding: 18px;
  border-radius: 18px;
  background: #111;
  border: 2px solid rgba(255,255,255,0.25);
  color: #fff;
}

.modal-title{
  margin: 0 0 12px;
  font-size: 26px;
}

.row{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 12px 0 16px;
}

.row select{
  padding: 8px 10px;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,0.25);
  background: #0b0b0b;
  color: #fff;
  font-family: "Pixelify Sans", sans-serif;
}

.screen { width: 100%; display: grid; place-items: center; }
.screen.hidden { display: none; }

#gameScreen { padding: 24px; }

.gameTop{
  width: min(520px, 92vw);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.hud{
  display: flex;
  gap: 14px;
  opacity: 0.9;
  font-size: 14px;
}

#gameGrid{
  width: min(520px, 92vw);
}

#gameScreen {
  padding: 24px;
}

.gameCard {
  width: min(560px, 92vw);
  padding: 22px;
  border-radius: 22px;
  background: #6b57f0;
  border: 2px solid rgba(0,0,0,0.25);
  box-shadow: 0 18px 40px rgba(0,0,0,0.18);
  color: #fff;
}

.gameTop {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.hud {
  display: flex;
  gap: 14px;
  font-size: 14px;
  opacity: 0.95;
}

.status {
  margin: 12px 0 14px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 2px solid rgba(0,0,0,0.25);
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.grid {
  display: grid;
  gap: 12px;
}

.tile {
  border-radius: 16px;
  border: 2px solid rgba(0,0,0,0.28);
  background: rgba(255,255,255,0.14);
  color: #fff;
  font-family: "Pixelify Sans", sans-serif;
  font-size: 20px;
  padding: 0;
}

.tile.hidden-num { color: transparent; }

.tile.revealed {
  background: #f2f2f2;
  color: #2b1a6a;
  border-color: rgba(255,255,255,0.9);
}

#gameGrid {
  grid-template-columns: repeat(3, 1fr);
}

#gameScreen { padding: 24px; }

.gameCard{
  width: min(640px, 92vw);
  padding: 22px;
  border-radius: 22px;
  background: #6b57f0;
  border: 2px solid rgba(0,0,0,0.22);
  box-shadow: 0 18px 40px rgba(0,0,0,0.18);
  color: #fff;
}

.gameTop{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.hud{
  display: flex;
  gap: 16px;
  font-size: 14px;
  opacity: 0.95;
}

.status{
  margin: 14px 0 16px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 2px solid rgba(0,0,0,0.22);
  background: rgba(255,255,255,0.12);
  color: #fff;
}

#gameGrid{
  width: 100%;
  display: grid;
  gap: 12px;
  justify-items: stretch;
}

.tile{
  height: 64px;
  border-radius: 16px;
  border: 2px solid rgba(0,0,0,0.24);
  background: rgba(255,255,255,0.14);
  color: #fff;
  font-family: "Pixelify Sans", sans-serif;
  font-size: 22px;
  cursor: pointer;
  user-select: none;
  transition: transform 0.08s ease, background 0.15s ease;
}

.tile:active{ transform: translateY(1px); }
.tile:hover{ background: rgba(255,255,255,0.18); }

.tile.hidden-num{ color: transparent; }

.tile.empty{
  cursor: default;
  background: rgba(0,0,0,0.10);
  border-color: rgba(0,0,0,0.12);
}

.tile.revealed{
  background: #f2f2f2;
  color: #2b1a6a;
  border-color: rgba(255,255,255,0.9);
}

#menu1Screen .menu {
  animation: menuPop 350ms steps(6, end) both;
  transform-origin: center;
}

@keyframes menuPop {
  0%   { transform: scale(0.85) translateY(10px); opacity: 0; }
  60%  { transform: scale(1.03) translateY(0px); opacity: 1; }
  100% { transform: scale(1) translateY(0px); opacity: 1; }
}

#menu1Screen .title {
  animation: titlePulse 1.2s steps(2, end) infinite;
}

@keyframes titlePulse {
  0%, 100% { transform: translateY(0); text-shadow: 0 0 0 rgba(0,0,0,0); }
  50%      { transform: translateY(-1px); text-shadow: 0 6px 0 rgba(0,0,0,0.25); }
}

#menu1Screen #startMenuBtn {
  animation: startBounce 1s steps(2, end) infinite;
}

@keyframes startBounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-2px); }
}

.pressHint {
  margin-top: 10px;
  opacity: 0.85;
  font-size: 14px;
}

.pressHint .cursor {
  display: inline-block;
  width: 10px;
  animation: blink 700ms steps(1, end) infinite;
}

@keyframes blink {
  0%, 49% { opacity: 0; }
  50%, 100% { opacity: 1; }
}

.tile.ai-pick{
  outline: 3px solid rgba(255,255,255,0.9);
  box-shadow: 0 0 0 4px rgba(0,0,0,0.18);
  transform: translateY(-1px);
}

.gameCard{
  position: relative;
}

.aiStats{
  position: absolute;
  right: 18px;
  top: 62px;
  width: 170px;
  padding: 12px;
  border-radius: 16px;
  background: rgba(0,0,0,0.18);
  border: 2px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
  font-size: 14px;
}

.aiStatsTitle{
  font-size: 16px;
  margin-bottom: 8px;
  opacity: 0.95;
}

.aiStatsRow{
  display: flex;
  justify-content: space-between;
  margin: 4px 0;
  opacity: 0.95;
}

@media (max-width: 520px){
  .aiStats{
    position: static;
    width: auto;
    margin: 10px 0 0;
  }
}

.tile.hidden-num{
  color: transparent;
  position: relative;
}

.tile.hidden-num::after{
  content: "?";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,0.85);
}

.tile.revealed::after{
  content: "";
}

.tile.empty{
  opacity: 0.22;
  border-style: dashed;
  cursor: default;
}

.tile.ai-pick{
  outline: 3px solid rgba(255,255,255,0.92);
  box-shadow: 0 0 0 4px rgba(0,0,0,0.18);
  transform: translateY(-1px);
}

.aiStats{
  right: -210px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 22px 22px;
  animation: bgMove 18s linear infinite;
  pointer-events: none;
}

@keyframes bgMove {
  from { background-position: 0 0; }
  to   { background-position: 200px 200px; }
}

#startMenuBtn:hover {
  box-shadow: 0 0 0 4px rgba(255,255,255,0.25),
              0 10px 30px rgba(0,0,0,0.35);
  animation: microShake 0.15s infinite;
}

@keyframes microShake {
  0% { transform: translateX(0); }
  50% { transform: translateX(-1px); }
  100% { transform: translateX(1px); }
}

body { position: relative; }
.app { position: relative; z-index: 2; }

body::before{
  content:"";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;

  background-image:
    radial-gradient(rgba(0,0,0,0.06) 1px, transparent 1px),
    radial-gradient(rgba(123,92,250,0.08) 1px, transparent 1px);
  background-size: 24px 24px, 44px 44px;
  background-position: 0 0, 10px 14px;

  animation: bgDrift 22s linear infinite;
  opacity: 0.9;
}

body::after{
  content:"";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;

  background:
    radial-gradient(circle at 20% 20%, rgba(123,92,250,0.18), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(90,63,208,0.16), transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(0,0,0,0.10), transparent 60%);
  animation: glowBreath 6s ease-in-out infinite alternate;
}

@keyframes bgDrift{
  from { transform: translate3d(0,0,0); }
  to   { transform: translate3d(-140px, -120px, 0); }
}

@keyframes glowBreath{
  from { opacity: 0.75; }
  to   { opacity: 1; }
}

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

.pixel-snow span{
  position: absolute;
  top: -10px;
  width: 6px;
  height: 6px;
  background: #fff;
  opacity: 0.85;
  image-rendering: pixelated;

  animation-name: snowFall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.pixel-snow span:nth-child(3n){
  background: #eae7ff;
}
.pixel-snow span:nth-child(4n){
  background: #dcd6ff;
}

@keyframes snowFall{
  from{
    transform: translateY(0);
  }
  to{
    transform: translateY(110vh);
  }
}

.streakLine{
  display: flex;
  align-items: center;
  gap: 6px;
}

.streakFire{
  display: inline-block;
  transform: translateY(1px) scale(1);
  filter: drop-shadow(0 6px 10px rgba(0,0,0,0.25));
  animation: fireFlicker 380ms steps(2, end) infinite;
}

.hidden { display: none !important; }

@keyframes fireFlicker{
  0%   { transform: translateY(1px) scale(1); opacity: 0.95; }
  50%  { transform: translateY(0px) scale(1.12); opacity: 1; }
  100% { transform: translateY(1px) scale(1.02); opacity: 0.95; }
}

.streakLine{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.streakFire{
  display: inline-block;
  transform-origin: center;
  animation: fireFlicker 320ms steps(2, end) infinite;
}

@keyframes fireFlicker{
  0%   { transform: translateY(1px) scale(1); }
  50%  { transform: translateY(0px) scale(1.08); }
  100% { transform: translateY(1px) scale(1); }
}

.hud{
  flex-wrap: wrap;
  justify-content: flex-end;
  row-gap: 6px;
}

.streakBadge{
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;

  padding: 10px 12px;
  border-radius: 14px;

  background: rgba(0,0,0,0.18);
  border: 2px solid rgba(255,255,255,0.18);
}

.streakFlame{
  width: 10px;
  height: 10px;
  display: inline-block;

  background: #ffd54a;

  box-shadow:
    10px 0   #ffb200,
    0   10px #ffb200,
    10px 10px #ff7a00,
    20px 10px #ffb200,

    0   20px #ff7a00,
    10px 20px #ff2e2e,
    20px 20px #ff7a00,

    10px 30px #ff2e2e;

  image-rendering: pixelated;

  animation: flameFlicker 260ms steps(2, end) infinite;
  transform-origin: center;
}

@keyframes flameFlicker{
  0%   { transform: translateY(1px) scale(1); filter: brightness(1); }
  50%  { transform: translateY(0px) scale(1.06); filter: brightness(1.15); }
  100% { transform: translateY(1px) scale(1); filter: brightness(1); }
}

.streakNum{
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 12px;

  background: rgba(255,255,255,0.10);
  border: 2px solid rgba(255,255,255,0.18);
}

.app { position: relative; z-index: 2; }
.pixel-snow { z-index: 1; }

.gameCard { position: relative; z-index: 2; }

.aiStats{
  z-index: 5;
}

.streakBadge{
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 10px;

  padding: 10px 12px;
  border-radius: 14px;

  background: rgba(0,0,0,0.20);
  border: 2px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
}

.streakFlame{
  width: 10px;
  height: 10px;
  display: inline-block;
  background: #ffd54a;

  box-shadow:
    10px 0    #ffb200,
    0    10px #ffb200,
    10px 10px #ff7a00,
    20px 10px #ffb200,

    0    20px #ff7a00,
    10px 20px #ff2e2e,
    20px 20px #ff7a00,

    10px 30px #ff2e2e;

  image-rendering: pixelated;
  transform-origin: center;
  animation: flameFlicker 260ms steps(2, end) infinite;
}

@keyframes flameFlicker{
  0%   { transform: translateY(1px) scale(1); filter: brightness(1); }
  50%  { transform: translateY(0px) scale(1.07); filter: brightness(1.15); }
  100% { transform: translateY(1px) scale(1); filter: brightness(1); }
}

.streakNum{
  font-size: 18px;
  font-weight: 700;
  line-height: 1;

  padding: 6px 10px;
  border-radius: 12px;

  background: rgba(255,255,255,0.10);
  border: 2px solid rgba(255,255,255,0.18);
}

.hidden { display: none !important; }

@media (max-width: 520px){
  .streakBadge{
    width: fit-content;
    margin-top: 10px;
  }
}

.app{ position: relative; z-index: 2; }

#sky{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

#moon{
  position: absolute;
  top: 28px;
  left: 28px;

  width: 170px;
  height: auto;

  image-rendering: pixelated;
  filter: drop-shadow(0 0 12px rgba(255, 220, 150, 0.35));

  opacity: 0;
  transition: opacity 250ms ease;

  animation: moonFloat 2s ease-in-out infinite;
}

body.dark #moon{
  opacity: 1;
  
}

@keyframes moonFloat{
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-6px); }
}

body{
  background: #e9eef6;
  color: #111;
}

body.dark #sky{ opacity: 1; }

body.dark{
  background: #070a1a;
  color: #eaf0ff;
}

body.dark #moon{
  opacity: 1;
  transform: translateY(0);
}

#themeToggle{
  position: fixed;
  top: 16px;
  left: 16px;
  padding: 10px 14px;
    
  font-family: "Pixelify Sans", sans-serif;
  font-size: 14px;

  border-radius: 8px;
  border: 1px solid #ccc;
  background: #fff;
  color: #111;

  cursor: pointer;
  z-index: 10;
}

body.dark{
  background: #070a1a;
  color: #eaf0ff;
}

body.dark #themeToggle{
  background: #111;
  color: #fff;
  border-color: #444;
}

#themeToggle{
  position: fixed;
  top: 18px;
  right: 18px;
  left: auto;

  padding: 10px 14px;
  font-family: "Pixelify Sans", sans-serif;
  font-size: 14px;

  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(0,0,0,0.35);
  color: #fff;

  cursor: pointer;
  z-index: 9999;
  backdrop-filter: blur(6px);
}

body::before,
body::after{
  content: none !important;
  background: none !important;
  animation: none !important;
}

body{
  background: #f1e0ae !important;
  color: #111 !important;
}

body.dark{
  color: #eaf0ff !important;

  background:
    radial-gradient(#ffffff 1px, transparent 1px),
    radial-gradient(#b7c6ff 1px, transparent 1px),
    radial-gradient(#ffffff 1px, transparent 1px),
    linear-gradient(#070a1a, #0b1b3a) !important;

  background-size:
    80px 80px,
    110px 110px,
    160px 160px,
    100% 100% !important;

  background-position:
    0 0,
    30px 50px,
    90px 120px,
    0 0 !important;

  background-attachment: fixed !important;
}

#sun{
  position: absolute;
  top: 36px;
  right: 36px;
  left: 40px;

  width: 140px;
  height: auto;

  image-rendering: pixelated;
  pointer-events: none;
  user-select: none;

  filter:
    drop-shadow(0 0 6px rgba(255, 210, 120, 0.35))
    drop-shadow(0 0 12px rgba(255, 190, 90, 0.22));

  opacity: 0.65;

  transition: opacity 250ms ease, filter 250ms ease;

  animation: sunFloat 3s ease-in-out infinite;
}

body.dark #sun{
  opacity: 0;
}

@keyframes sunFloat{
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}

body.dark #sun{
    opacity: 0;
    }

body.dark #moon { opacity: 1; }
body:not(.dark) #moon { opacity: 0; }

body.dark #sun { opacity: 0; }
body:not(.dark) #sun { opacity: 1; }

.pixel-art,
.pixel-art *{
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

body{
  background:
    radial-gradient(rgba(255,255,255,0.7) 1px, transparent 1px),
    linear-gradient(#dff1ff, #f7fbff);

  background-size:
    120px 120px,
    100% 100%;

  background-position:
    0 0,
    0 0;

  color: #1a1a1a;
}

#sky{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

#sky img{
  image-rendering: pixelated;
}

#nightBg,
#morning{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 300ms ease;
}

body:not(.dark) #morning{ opacity: 1; }
body:not(.dark) #nightBg{ opacity: 0; }

body.dark #nightBg{ opacity: 1; }
body.dark #morning{ opacity: 0; }

#moon{
  position: absolute;
  top: 35px;
  left: 2px;
  width: 200px;
  height: auto;

  filter: drop-shadow(0 0 12px rgba(255,220,150,0.35));
  opacity: 0;
  animation: moonFloat 2.5s ease-in-out infinite;
  transition: opacity 300ms ease;
}

body.dark #moon{ opacity: 1; }

@keyframes moonFloat{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-6px); }
}

#sun{
  position: absolute;
  top: 28px;
  left: 28px;
  width: 125px;
  right: 15px;
  height: auto;

  filter: drop-shadow(0 0 14px rgba(255,200,80,0.35));
  opacity: 1;
  animation: sunFloat 2.8s ease-in-out infinite;
  transition: opacity 300ms ease;
}

body.dark #sun{ opacity: 0; }

@keyframes sunFloat{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-5px); }
}

.app{ position: relative; z-index: 2; }
.pixel-snow{ z-index: 1; }

#sky{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

#morning{
  position: absolute;
  inset: 0;

  width: 100%;
  height: 100%;

  object-fit: cover;

  object-position: center 35%;

  image-rendering: pixelated;
}
.copyright {
  position: absolute;
  bottom: 24px;      /* ⬅ lower = closer to bottom */
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  opacity: 0.7;
  letter-spacing: 0.5px;
}