/* Corporate colours
   #6f0301 - Vivid orange
   #112656 - Very dark blue
*/

body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f4f4f4;
  color: #112656;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  text-align: center;
  padding: 2rem;
  max-width: 900px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

header .logo {
  width: 250px;
  margin-bottom: 1rem;
  justify-content: center;
}

header, h1, h2, #bingo-nickname {
  text-align: center;
}

h1 {
  color: #6f0301;
  margin-bottom: 1rem;
}

button#draw-button {
  padding: 0.8rem 1.5rem;
  background-color: #6f0301;
  color: white;
  border: none;
  font-size: 1.1rem;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 1rem;
}
button#draw-button:hover {
  background-color: #5a0200;
}

.card {
  margin: 2rem 0;
  padding: 1rem;
  border-top: 4px solid #6f0301;
  border-radius: 8px;
  background-color: #fdfdfd;
}

.card-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}

/* Grid of 90 numbers: 10 columns */
#bingo-board {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 0.5rem;
  justify-items: center;
  padding: 1rem 0;
}

/* Grey placeholder before a ball is drawn */
.placeholder {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #ddd;
  color: #999;
  font-size: 18px;
  font-weight: bold;
  font-family: Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  transition: all 0.3s ease;
}

/* Bingo ball animations */
@keyframes popBounce {
  0% {
    transform: scale(0.4);
    opacity: 0;
  }
  60% {
    transform: scale(1.2);
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}

@keyframes throb {
  0% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.2);
    filter: brightness(1.1);
  }
  100% {
    transform: scale(1);
    filter: brightness(1);
  }
}

.bingo-ball {
  animation: popBounce 0.4s ease-out;
  will-change: transform, opacity;
}

.throb {
  animation: throb 1s ease-in-out infinite;
  will-change: transform, filter;
}

/* Nickname display */
#bingo-nickname {
  margin-top: 3rem;
  font-size: 1.2rem;
  font-weight: bold;
  color: #c29b67;
}

.sound-toggle {
  display: inline-block;
  font-size: 1rem;
  margin-left: 1rem;
  cursor: pointer;
  user-select: none;
}
.sound-toggle input {
  margin-right: 0.5rem;
}

.flex-wrapper {
  display: flex;
  flex-direction: row;
  gap: 2rem;
  padding: 2rem;
  max-width: 1600px;
  width: 100%;
  margin: auto;
  box-sizing: border-box;
}

.left-panel,
.right-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.left-panel {
  max-width: 600px;
}

.right-panel {
  flex-grow: 2;
}