/* ==== Common Styling ==== */
body {
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

h1 {
    font-size: 3rem;
    margin: 0.5rem 0 0.5rem;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1 rem;
}

#theme-toggle {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    border-radius: 10px;
    background-color: #444;
    color: #fff;
    margin-bottom: 2rem;
    margin-top: 1rem;
    transition: background-color 0.3s, color 0.3s;
}

/* ==== Light Theme ==== */
body.light {
    background-color: #f2f2f2;
    color: #111;
    border: #121212 1px solid ;
}
body.light #theme-toggle {
    background-color: #ddd;
    color: #111;
}

/* ==== Dark Theme ==== */
body.dark {
    background-color: #121212;
    color: white;
}
body.dark #theme-toggle {
    background-color: #333;
    color: white;
}

/* Button Colors and Effects */
.btn {
    height: 150px;
    width: 150px;
    border-radius: 20%;
    border: 5px solid rgb(247, 117, 3);
    margin: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.1s ease;
}
.btn:active {
    transform: scale(0.95);
}

.red { background-color: #e9071e; }
.yellow { background-color: #f5c507; }
.purple { background-color: #3318e1; }
.green { background-color: #74e404; }


.flash {
    background-color: white !important;
    box-shadow: 0 0 20px white;
}
.userflash {
    background-color: palevioletred !important;
    box-shadow: 0 0 10px palevioletred;
}

.btn-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.line-one,
.line-two {
  display: flex;
  justify-content: center;
}

.btn {
  height: 150px;
  width: 150px;
  border-radius: 20%;
  border: 2px solid rgb(247, 247, 251);
  margin: 1rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease;
}
body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  padding-top: 1rem;
}
.intro-text {
    font-size: 1.6rem;
    color: #f01616;
    margin-bottom: 1rem;
}

#how-to-play-btn {
  margin-bottom: 1rem;
  padding:  0.5rem;
  font-size: 1rem;
  background-color: #444;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}
#how-to-play-btn:hover {
  background-color: #666;
}
body.light #how-to-play-btn {
  background-color: #ddd;
  color: #000;
}
body.light #how-to-play-btn:hover {
  background-color: #bbb;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.7);
}

.modal-content {
  background-color: #1e1e1e;
  margin: 10% auto;
  padding: 20px;
  border-radius: 10px;
  width: 80%;
  max-width: 500px;
  color: #fff;
  text-align: left;
  position: relative;
  animation: fadeIn 0.3s;
}

body.light .modal-content {
  background-color: #f4f4f4;
  color: #111;
}

.close-btn {
  color: #ccc;
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}

.close-btn:hover {
  color: white;
}

@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity: 1;}
}