/* 🌆 Background */

#bg 
{
  background-image: url("bg.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  filter: blur(4px);
}

/* 🧩 Global Reset */

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

/* 🧍 Body (Centered + No Scroll) */

html,
body 
{
  height: 100%;
  width: 100%;
  overflow: hidden; /* 🚫 Prevent scroll */
  font-family: "Playfair Display", serif;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: black;
}

/* 📦 Main Wrapper */

#gameWrapper 
{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: min(80vw, 400px);
  height: auto;
}

/* 🏷️ Title */

.header-section h1 
{
  font-size: 2.5rem;
  text-decoration: underline solid black 3px;
  font-weight: 700;
  margin-bottom: 3rem; /* ⬆️ Increased space between title and grid */
}

/* 🎮 Game Container */

#gameContainer 
{
  background-color: rgba(0, 0, 0, 0.65);
  border-radius: 1rem;
  padding: 1.2vmin;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 90%;
  aspect-ratio: 1 / 1;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
  margin-bottom: 1rem;
}

/* ⬜ Tic-Tac-Toe Grid */

.game 
{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1vmin;
  width: 100%;
  height: 100%;
  justify-items: center;
  align-items: center;
}

/* ❌⭕ Boxes */

.box 
{
  width: 88%;
  aspect-ratio: 1 / 1;
  border-radius: 0.8rem;
  border: none;
  background-color: crimson;
  box-shadow: 0 0 0.8rem rgb(255, 70, 70);
  font-size: 8vmin;
  font-weight: bold;
  color: white;
  transition: transform 0.2s ease, background-color 0.3s ease;
}

.box:hover 
{
  background-color: rgb(220, 20, 60);
  transform: scale(1.05);
}

/* 🔁 New Game Button Section */

.button-section 
{
  margin-top: 1.5rem; /* ⬆️ Added more space below the grid */
}

/* 🎮 New Game Button */

#newGameBtn 
{
  padding: 0.7rem 1.6rem;
  font-size: 1.1rem;
  border-radius: 0.8rem;
  border: none;
  background-color: black;
  color: white;
  cursor: pointer;
  animation: pulseGlow 2s ease-in-out infinite;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* 💫 Hover + Glow */

#newGameBtn:hover 
{
  background-color: crimson;
}

/* ✨ Breathing Glow Animation */

@keyframes pulseGlow 
{
  0% 
  {
    box-shadow: 0 0 5px rgba(255, 70, 70, 0.3);
  }
  50% 
  {
    box-shadow: 0 0 15px rgba(255, 70, 70, 0.8);
  }
  100% 
  {
    box-shadow: 0 0 5px rgba(255, 70, 70, 0.3);
  }
}

/* ✨ Fade-In Animation */

.fade-in 
{
  opacity: 0;
  animation: fadeIn 1s ease-in forwards;
}

.header-section 
{
  animation-delay: 0.2s;
}

#gameContainer 
{
  animation-delay: 0.4s;
}

.button-section 
{
  animation-delay: 0.6s;
}

@keyframes fadeIn 
{
  from 
  {
    opacity: 0;
    transform: translateY(10px);
  }
  to 
  {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 📱 Responsive Design */

@media (max-width: 768px) 
{
  #gameWrapper {
    width: 90vw;
  }

  .header-section h1 
  {
    font-size: 2rem;
    margin-bottom: 1.4rem; /* Smaller gap on mobile */
  }

  #newGameBtn 
  {
    font-size: 1rem;
    padding: 0.6rem 1rem;
  }

  .button-section 
  {
    margin-top: 1.8rem;
  }
}