:root {
  --brand-color: rgb(254, 159, 43);
  --brand-dark: #e07c00;
  --brand-light: #fff6e9;
  --text-dark: #2d2d2d;
  --board-brown: #654321;
  --board-size: min(90vmin, 500px);
  --piece-size: calc(var(--board-size) * 0.1);
  --intersection-size: calc(var(--board-size) * 0.024);
  --spacing: calc(var(--board-size) * 0.2);
  --grid-spacing: calc(var(--board-size) / 5);
  --grid-unit: calc(var(--board-size) / 5);
}

body {
  font-family: "Poppins", sans-serif;
  background: var(--brand-light);
  margin: 0;
  padding: 0;
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.brand-header {
  background: var(--brand-color);
  color: white;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.brand-header h1 {
  margin: 0;
  font-size: 2.5em;
}

.author {
  font-style: italic;
  opacity: 0.9;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.board-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.board {
  background: linear-gradient(45deg, #543210, #654321);
  width: var(--board-size);
  height: var(--board-size);
  position: relative;
  border: calc(var(--board-size) * 0.016) solid var(--brand-color);
  border-radius: calc(var(--board-size) * 0.02);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.grid-lines {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.intersection {
  width: var(--intersection-size);
  height: var(--intersection-size);
  background: #654321;
  border-radius: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 1;
  transition: all 0.3s;
}

.intersection:hover {
  background: var(--brand-color);
}

.tiger,
.goat {
  width: var(--piece-size);
  height: var(--piece-size);
  border-radius: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  animation: pieceDrop 0.3s ease-out;
}

.tiger:hover,
.goat:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 0 10px rgba(254, 159, 43, 0.5);
  z-index: 20; /* Bring hovered piece to front */
  animation: pieceHover 0.2s ease-out forwards;
}

.tiger img,
.goat img {
  width: calc(var(--piece-size) * 0.9);
  height: calc(var(--piece-size) * 0.9);
  object-fit: contain;
  pointer-events: none; /* Ensure clicks pass through to container */
}

.selected {
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: 0 0 15px var(--brand-color);
  z-index: 30; /* Selected piece always on top */
  animation: highlight 1s infinite;
}

.game-status {
  background: var(--brand-color);
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 500;
}

.message-box {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-color);
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  display: none;
  z-index: 1000;
}

.restart-btn {
  background: var(--brand-color);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1em;
  margin-top: 20px;
  transition: all 0.3s;
}

.restart-btn:hover {
  background: var(--brand-dark);
}

/* Add animations */
@keyframes pieceHover {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    transform: translate(-50%, -50%) scale(1.1);
  }
}

@keyframes pieceDrop {
  0% {
    transform: translate(-50%, -50%) scale(0);
  }
  70% {
    transform: translate(-50%, -50%) scale(1.2);
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes highlight {
  0% {
    box-shadow: 0 0 5px var(--brand-color);
  }
  50% {
    box-shadow: 0 0 20px var(--brand-color);
  }
  100% {
    box-shadow: 0 0 5px var(--brand-color);
  }
}

/* Add loading screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgb(254, 159, 43);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  transition: opacity 0.5s;
}

.loading-content {
  text-align: center;
  color: white;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid #fff;
  border-top: 5px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading-screen.hide {
  opacity: 0;
  pointer-events: none;
}

/* Mobile Responsiveness */
@media (min-width: 768px) {
  .container {
    grid-template-columns: 300px 1fr;
  }
}

@media (min-width: 1024px) {
  .container {
    grid-template-columns: 300px 1fr 300px;
  }
}

@media (max-width: 1024px) {
  .container {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .game-info {
    order: 2;
  }

  .board-container {
    order: 1;
  }

  .message-box {
    order: 3;
  }
}

@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  .brand-header h1 {
    font-size: 2em;
  }

  .stats {
    display: flex;
    gap: 10px;
  }

  .score-box {
    flex: 1;
  }

  .game-status {
    font-size: 0.9em;
  }

  .intersection {
    width: calc(var(--board-size) * 0.024);
    height: calc(var(--board-size) * 0.024);
  }
}

@media (max-width: 480px) {
  :root {
    --board-size: 90vmin;
  }

  .container {
    margin: 10px auto;
    padding: 0 10px;
  }

  .brand-header {
    padding: 1rem;
  }

  .brand-header h1 {
    font-size: 1.5rem;
  }

  .game-info ul {
    padding-left: 20px;
  }

  .game-info li {
    font-size: 0.9em;
  }

  .restart-btn {
    width: 100%;
  }

  .intersection {
    --intersection-size: calc(var(--board-size) * 0.03);
  }
}