body {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
  background-color: #0f0f0f; /* deep dark */
  background-image: radial-gradient(
    rgba(255, 255, 255, 0.02) 1px,
    transparent 1px
  );
  background-size: 20px 20px;
  font-family: "Georgia", serif;
  color: #f5d97c;
  overflow-x: hidden;
}

.btn {
  width: 190px;
  height: 190px;
  margin: 5px;
  position: absolute;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 8px solid #1b1b1b; /* thinner dark inner border */
  box-shadow: inset 0 0 4px #00000088, 0 4px 8px rgba(0, 0, 0, 0.6);
  transition: filter 0.2s, transform 0.2s;
  z-index: 1;
}

.btn-container {
  position: relative;
  width: 420px;
  height: 420px;
  padding: 10px;
  margin: 2rem auto;
  border-radius: 50%;
  background-color: #0c0c0c;
  box-shadow: inset 0 0 25px #000, 0 0 40px #000000a0;
  margin-top: 20px;
}

#score-box {
  background-color: #2e5e3a; /* green base */
  padding: 12px 32px;
  font-size: 24px;
  font-weight: bold;
  color: #f5d97c;
  font-family: "Georgia", serif;

  border: 4px solid #1b3a25;
  border-radius: 6px;

  box-shadow: inset 2px 2px 0 #4c7b50, inset -2px -2px 0 #1c3a26,
    0 4px 12px rgba(0, 0, 0, 0.5);

  display: inline-block;
  cursor: default;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  text-shadow: 1px 1px 2px #000;
}

/* Hover effect just like the Start button */
#score-box:hover {
  background-color: #3f814e;
  box-shadow: inset 1px 1px 0 #66a96c, inset -1px -1px 0 #285337,
    0 6px 16px rgba(0, 0, 0, 0.6);
}

/* 🔴 Top-left - RED */
#red {
  top: 0;
  left: 0;
  border-radius: 100% 0 35% 0;
  background-image: url("cover-red.png");
  border: 8px solid #79371d;
  background-size: cover;
}

/* 🟢 Top-right - GREEN */
#green {
  top: 0;
  right: 0;
  border-radius: 0 100% 0 35%;
  background-image: url("cover-green.png");
  border: 8px solid #1f4029;
  background-size: cover;
}

/* 🟡 Bottom-left - YELLOW/ORANGE */
#yellow {
  bottom: 0;
  left: 0;
  border-radius: 0 35% 0 100%;
  background-image: url("cover-yellow.png");
  border: 8px solid #664416;
  background-size: cover;
}

/* 🔵 Bottom-right - BLUE/PURPLE */
#purple {
  bottom: 0;
  right: 0;
  border-radius: 35% 0 100% 0;
  background-image: url("cover-purple.png");
  border: 8px solid #12343f;
  background-size: cover;
}

.flash {
  filter: brightness(2);
  transform: scale(1.05);
}

.userflash {
  filter: brightness(1.4);
  transform: scale(0.98);
}

#start {
  padding: 12px 32px;
  font-size: 24px;
  font-weight: bold;
  color: #f5d97c;
  font-family: "Georgia", serif;
  background-color: #8b2e1d;
  border: 4px solid #3e1e10;
  border-radius: 6px;
  box-shadow: inset 2px 2px 0 #c95f37, inset -2px -2px 0 #5a1e13,
    0 4px 12px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

#start:hover {
  background-color: #a23926;
  box-shadow: inset 1px 1px 0 #e6734e, inset -1px -1px 0 #7a291a,
    0 6px 16px rgba(0, 0, 0, 0.6);
}

#start:active {
  transform: translateY(2px);
  box-shadow: inset 2px 2px 4px #3a1b10, 0 2px 4px rgba(0, 0, 0, 0.3);
}

#game-status {
  display: inline-block;
  margin: 1rem auto;
  padding: 10px 24px;
  background-color: #1e1e1e;
  color: #f5d97c;
  font-size: 24px;
  font-weight: bold;
  font-family: "Georgia", serif;
  border: 4px solid #a66b2b;
  border-radius: 6px;
  box-shadow: inset 2px 2px 0 #703c13, inset -2px -2px 0 #703c13;
}

h2,
#game-status {
  text-align: center;
  display: none; /* hidden by default */
}

.ui-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem; /* reduced spacing between score, level, and start */
  margin-top: 0.5rem; /* reduced spacing from h1 */
  margin-bottom: 0.5rem;
}

.ui-panel {
  justify-content: center;
  text-align: center;
}

h1 {
  color: #f5d97c; /* golden yellow */
  font-family: "Georgia", serif;
  font-size: 48px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 1px 1px 2px #000000, 0 0 5px rgba(0, 0, 0, 0.5);
  margin-bottom: 0.5rem;
}

.start-score-row {
  display: flex;
  align-items: center;
  gap: 1rem; /* space between start and score */
  justify-content: center;
}

#start,
#score-box {
  margin: 0;
}

.btn-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 90px;
  height: 90px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 1;
}

#green .btn-icon {
  transform: translate(-40%, -30%) rotate(-70deg);
  scale: 1.4;
}
#red .btn-icon {
  transform: translate(-25%, -20%) rotate(-20deg);
  scale: 1.4;
}
#yellow .btn-icon {
  transform: translate(-20%, -40%) rotate(-40deg);
  scale: 1.4;
}
#purple .btn-icon {
  transform: translate(-60%, -40%) rotate(25deg);
  scale: 1.4;
}

.btn-icon {
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none; /* already present */
}

.btn {
  cursor: pointer;
}

@media (max-width: 460px) {
  h1 {
    font-size: 1.5rem;
  }

  #start-btn,
  #score-box {
    font-size: 0.9rem;
    padding: 8px 16px;
    width: 120px;
  }

  #level-title {
    font-size: 1.1rem;
    padding: 6px 14px;
  }
}

@media (max-width: 768px) {
  .btn-container {
    transform: scale(0.9);
  }
}

@media (max-width: 600px) {
  .btn-container {
    transform: scale(0.8);
  }
}

@media (max-width: 460px) {
  .btn-container {
    transform: scale(0.7);
  }
}

@media (max-width: 410px) {
  .btn-container {
    transform: scale(0.65) translateX(-10px); /* shift ring slightly left */
  }

  footer {
    margin-top: 10px; /* pull footer slightly up */
  }
}

/* ✅ iPhone 14 (390px logical width) */
@media (max-width: 390px) {
  .btn-container {
    transform: scale(0.65) translateX(-30px); /* more shift & smaller size */
  }

  footer {
    margin-top: -10px; /* moved slightly further up */
  }
}

@media (max-width: 360px) {
  .btn-container {
    transform: scale(0.6) translateX(-60px);
  }

  footer {
    margin-top: -20px;
  }
}

@media (max-width: 330px) {
  .btn-container {
    transform: scale(0.55) translateX(-110px);
  }

  footer {
    margin-top: -25px;
  }

  .start-score-row {
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }
}

@media (max-width: 303px) {
  .start-score-row {
    flex-direction: column;
    align-items: center;
    gap: 4px; /* slightly tighter spacing */
  }

  .btn-container {
    transform: scale(0.5) translateX(-170px); /* further adjust for small screens */
  }

  footer {
    margin-top: -30px;
  }
}

.footer {
  text-align: center;
  padding: 20px 0;
  color: #ddd;
  background-color: #0f0f0f;
  margin-top: 10px;
  font-family: "Segoe UI", sans-serif;
}

.footer-links {
  margin-bottom: 10px;
}

.footer-btn {
  margin: 0 6px; /* Slightly reduced spacing */
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(to right, #2d2d2d, #1c1c1c);
  color: #f8f8f8;
  padding: 8px 16px;
  border: 2px solid #3f3f3f;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  text-decoration: none;
}

.footer-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 18px rgba(255, 255, 255, 0.15);
  border-color: #777;
  background: linear-gradient(to right, #444, #222);
}

.footer-icon {
  font-size: 18px;
}

.footer-btn i {
  margin-right: 6px;
}

/* GitHub */
.footer-btn.github {
  background-color: #444;
}

.footer-btn.github:hover {
  background-color: #5a5a5a;
}

/* Twitter/X */
.footer-btn.twitter {
  background-color: #1a1a1a;
}

.footer-btn.twitter:hover {
  background-color: #2a2a2a;
}

/* LinkedIn */
.footer-btn.linkedin {
  background-color: #0077b5;
}

.footer-btn.linkedin:hover {
  background-color: #005e90;
}

.footer-credit {
  font-size: 14px;
  color: #aaa;
  margin-top: 5px;
}

.btn {
  -webkit-tap-highlight-color: transparent; /* Chrome/Safari/Android */
}