@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Fjalla+One&display=swap');

:root {
  --primary: #6a0dad;
  --accent: #ff00aa;
}

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

body {
  font-family: 'Bebas Neue', sans-serif;
  background: linear-gradient(135deg, #1a0033, #330066);
  color: white;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 10px;
}

nav {
  background: var(--primary);
  width: 100%;
  max-width: 600px;
  padding: 15px;
  text-align: center;
  border-radius: 12px;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

nav h1 {
  font-size: clamp(2rem, 8vw, 3.5rem);
  letter-spacing: 4px;
  text-transform: uppercase;
}

.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
  width: 100%;
  max-width: 620px;
}

.board-container {
  position: relative;
  width: 100%;
  max-width: 420px;
}

#board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 12px;
  background: rgba(255, 255, 255, 0.1);
  padding: 12px;
  border-radius: 20px;
  aspect-ratio: 1 / 1;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.box {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(4rem, 14vw, 7rem);
  font-weight: bold;
  color: #1a0033;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  box-shadow: inset 0 4px 10px rgba(0, 0, 0, 0.2);
}

.box:hover {
  background: #f0e6ff;
  transform: scale(1.05);
}

.box.x { color: #00ffcc; }
.box.o { color: #ff00aa; }

.info-panel {
  text-align: center;
  width: 100%;
}

.info {
  font-size: 1.6rem;
  margin: 10px 0;
  min-height: 50px;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 14px 32px;
  font-size: 1.4rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 6px 15px rgba(255, 0, 170, 0.4);
}

button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 0, 170, 0.5);
}

/* Celebration GIF */
.celebration {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 180px;
  height: 180px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  z-index: 10;
  border-radius: 20px;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.6);
  object-fit: contain;
}

.win .celebration {
  opacity: 1;
}

.celebration.show {
  animation: celebrationFade 5.5s forwards;
}

@keyframes celebrationFade {
  0% { opacity: 1; }
  85% { opacity: 1; }
  100% { opacity: 0; }
}

@media (max-width: 480px) {
  .celebration {
    width: 140px;
    height: 140px;
  }
  .game-container {
    gap: 15px;
  }
}