* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  text-align: center;
  color: #fff;
}

/* Title */
h1 {
  margin-top: 20px;
  font-size: 2.5rem;
  letter-spacing: 1px;
}

/* Game Container */
.container {
  height: 70vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.game {
  height: 60vmin;
  width: 60vmin;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5vmin;
}

/* Boxes */
.box {
  height: 18vmin;
  width: 18vmin;
  border-radius: 15px;
  border: none;
  font-size: 8vmin;
  font-weight: bold;
  cursor: pointer;

  background: #1e293b;
  color: #38bdf8;

  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  transition: all 0.2s ease;
}

.box:hover {
  transform: scale(1.05);
  background: #334155;
}

/* Buttons */
#reset-btn,
#new-btn {
  padding: 12px 25px;
  font-size: 1.1rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  margin-top: 15px;

  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: white;
  transition: 0.3s;
}

#reset-btn:hover,
#new-btn:hover {
  transform: scale(1.05);
  background: linear-gradient(135deg, #16a34a, #15803d);
}

/* Winner Message */
.msg-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;

  background: rgba(0, 0, 0, 0.8);

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 20px;
}

#msg {
  font-size: 2rem;
  color: #facc15;
}

.hide {
  display: none;
}