* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #ffd4b8 0%, #ffcab0 30%, #ffe4d6 70%, #ffd4b8 100%);
  min-height: 100vh;
  height: 100vh;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

h1 {
  text-align: center;
  color: #6b3410;
  font-size: 2.5rem;
  font-weight: 900;
  margin: 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  letter-spacing: 3px;
  flex-shrink: 0;
}

.dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  background-color: #F77F00;
  border-radius: 50%;
  margin-left: 2px;
  vertical-align: baseline;
  margin-bottom: -0.0375rem;
}

.by-text {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 1px;
  opacity: 0.7;
  margin-left: 4px;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 15px 0 10px;
  animation: bounce 0.6s ease-in-out;
  flex-shrink: 0;
  will-change: transform;
}

.logo {
  height: 30px;
  width: auto;
  object-fit: contain;
  display: block;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

#game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding: 10px 10px 30px 10px;
  width: 100%;
}

#gameBoard {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 6px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(107, 52, 16, 0.15);
  flex-shrink: 0;
}

.letterBox {
  border: 3px solid rgba(107, 52, 16, 0.2);
  border-radius: 12px;
  margin: 2px;
  font-size: 2rem;
  font-weight: 700;
  height: 3rem;
  width: 3rem;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  text-transform: uppercase;
  background: #ffffff;
  color: #6b3410;
  box-shadow: 0 4px 12px rgba(107, 52, 16, 0.15);
  filter: drop-shadow(0 2px 4px rgba(107, 52, 16, 0.1));
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  cursor: default;
  will-change: transform;
}

.letterBox:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(107, 52, 16, 0.2);
  filter: drop-shadow(0 4px 6px rgba(107, 52, 16, 0.15));
}

.filled-box {
  border: 3px solid #ff9966;
  background: #ffffff;
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(255, 153, 102, 0.4);
  filter: drop-shadow(0 3px 5px rgba(255, 153, 102, 0.3));
}

.letterRow {
  display: flex;
  gap: 2px;
}

#keyboard-cont {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(107, 52, 16, 0.15);
  flex-shrink: 0;
}

#keyboard-cont div {
  display: flex;
  gap: 6px;
}

.first-row, .second-row, .third-row {
  display: flex;
}

.second-row {
  margin: 0;
}

.keyboard-button {
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 10px;
  margin: 0;
  cursor: pointer;
  text-transform: uppercase;
  min-width: 40px;
  border: 3px solid rgba(107, 52, 16, 0.2);
  border-radius: 8px;
  background: #ffffff;
  color: #6b3410;
  box-shadow: 0 4px 12px rgba(107, 52, 16, 0.15);
  filter: drop-shadow(0 2px 4px rgba(107, 52, 16, 0.1));
  transition: transform 0.1s ease, box-shadow 0.1s ease, filter 0.1s ease, border-color 0.1s ease;
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  will-change: transform;
}

.keyboard-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(107, 52, 16, 0.2);
  filter: drop-shadow(0 4px 6px rgba(107, 52, 16, 0.15));
  background: #ffffff;
  border-color: rgba(255, 153, 102, 0.5);
}

.keyboard-button:active {
  transform: translateY(1px) scale(0.95);
  box-shadow: 0 2px 6px rgba(107, 52, 16, 0.15);
  filter: drop-shadow(0 1px 2px rgba(107, 52, 16, 0.1));
  background: linear-gradient(145deg, #fff5ed, #ffffff);
}

.keyboard-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 153, 102, 0.4) 0%, rgba(255, 153, 102, 0) 70%);
  transform: translate(-50%, -50%);
  transition: width 0.25s ease-out, height 0.25s ease-out, opacity 0.25s ease-out;
  opacity: 0;
  pointer-events: none;
}

.keyboard-button:active::before {
  width: 100px;
  height: 100px;
  opacity: 1;
  transition: width 0s, height 0s, opacity 0s;
}

.keyboard-button::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 153, 102, 0.2), rgba(255, 153, 102, 0));
  opacity: 0;
  transition: opacity 0.1s ease;
  pointer-events: none;
}

.keyboard-button:active::after {
  opacity: 1;
}

/* Special styling for colored keyboard buttons */
.keyboard-button[style*="background-color: green"],
.keyboard-button[data-color="green"] {
  background: linear-gradient(145deg, #6aaa64, #5a9a54) !important;
  color: #ffffff !important;
  border-color: rgba(106, 170, 100, 0.6) !important;
  box-shadow: 0 4px 12px rgba(106, 170, 100, 0.4) !important;
  filter: drop-shadow(0 3px 5px rgba(106, 170, 100, 0.35)) !important;
}

.keyboard-button[style*="background-color: yellow"],
.keyboard-button[data-color="yellow"] {
  background: linear-gradient(145deg, #f3c237, #e5b429) !important;
  color: #1f2937 !important;
  border-color: rgba(243, 194, 55, 0.6) !important;
  box-shadow: 0 4px 12px rgba(243, 194, 55, 0.4) !important;
  filter: drop-shadow(0 3px 5px rgba(243, 194, 55, 0.35)) !important;
}

.keyboard-button[style*="background-color: grey"],
.keyboard-button[data-color="grey"] {
  background: linear-gradient(145deg, #787c7e, #6a6d6f) !important;
  color: #ffffff !important;
  border-color: rgba(120, 124, 126, 0.6) !important;
  box-shadow: 0 4px 12px rgba(120, 124, 126, 0.4) !important;
  filter: drop-shadow(0 3px 5px rgba(120, 124, 126, 0.35)) !important;
}

/* Gameboard tile colors - matching keyboard */
.letterBox[style*="background-color: green"] {
  background: linear-gradient(145deg, #6aaa64, #5a9a54) !important;
  color: #ffffff !important;
  border-color: rgba(106, 170, 100, 0.6) !important;
  box-shadow: 0 4px 12px rgba(106, 170, 100, 0.4) !important;
  filter: drop-shadow(0 3px 5px rgba(106, 170, 100, 0.35)) !important;
}

.letterBox[style*="background-color: yellow"] {
  background: linear-gradient(145deg, #f3c237, #e5b429) !important;
  color: #1f2937 !important;
  border-color: rgba(243, 194, 55, 0.6) !important;
  box-shadow: 0 4px 12px rgba(243, 194, 55, 0.4) !important;
  filter: drop-shadow(0 3px 5px rgba(243, 194, 55, 0.35)) !important;
}

.letterBox[style*="background-color: grey"] {
  background: linear-gradient(145deg, #787c7e, #6a6d6f) !important;
  color: #ffffff !important;
  border-color: rgba(120, 124, 126, 0.6) !important;
  box-shadow: 0 4px 12px rgba(120, 124, 126, 0.4) !important;
  filter: drop-shadow(0 3px 5px rgba(120, 124, 126, 0.35)) !important;
}

/* Responsive design */
@media (max-width: 600px) {
  body {
    padding: 0;
  }

  h1 {
    font-size: 1.8rem;
  }

  .by-text,
  .logo {
    display: none;
  }

  .header-container {
    margin: 10px 0 5px;
  }

  #game-container {
    max-height: calc(100vh - 60px);
    padding: 5px;
    width: 100%;
    gap: 20px;
    overflow-y: auto;
  }

  #gameBoard {
    padding: 15px;
    gap: 5px;
    flex-shrink: 0;
  }
  
  .letterBox {
    height: 3rem;
    width: 3rem;
    font-size: 1.8rem;
    margin: 2px;
  }

  #keyboard-cont {
    background: transparent;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    padding: 10px 5px;
    width: 100%;
    max-width: 100vw;
    flex-shrink: 0;
  }

  #keyboard-cont div {
    gap: 4px;
    width: 100%;
    justify-content: center;
  }
  
  .keyboard-button {
    padding: 14px 0;
    font-size: 0.85rem;
    min-width: 0;
    flex: 1;
  }

  .first-row .keyboard-button {
    max-width: 9%;
  }

  .second-row .keyboard-button {
    max-width: 10%;
  }

  .third-row .keyboard-button {
    max-width: 8.5%;
  }

  .third-row .keyboard-button:first-child,
  .third-row .keyboard-button:last-child {
    flex: 1.5;
    max-width: 13%;
    font-size: 0.7rem;
  }
}