@import url('https://fonts.googleapis.com/css2?family=Nanum+Pen+Script&display=swap');

:root {
  --background-color: #f0f0f0;
  --text-color: #333;
  --h1-color: #333;
  --button-bg: #4CAF50;
  --button-text: white;
  --ball-size: 50px;

  /* Dark mode colors */
  --dark-background-color: #333;
  --dark-text-color: #f0f0f0;
  --dark-h1-color: #f0f0f0;
}

body {
  font-family: 'Nanum Pen Script', cursive;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: var(--background-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode {
  --background-color: var(--dark-background-color);
  --text-color: var(--dark-text-color);
  --h1-color: var(--dark-h1-color);
}

main {
  text-align: center;
  padding: 20px;
  max-width: 600px;
  width: 100%;
}

h1 {
  font-size: 3rem;
  margin-bottom: 2rem;
  color: var(--h1-color);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

#theme-toggle {
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 1rem;
    font-family: 'Nanum Pen Script', cursive;
    font-size: 1.2rem;
}

#lotto-numbers {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.lotto-ball {
  width: var(--ball-size);
  height: var(--ball-size);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2), inset 0 -3px 5px rgba(0,0,0,0.3);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
  transition: transform 0.3s ease;
}

.lotto-ball:hover {
  transform: scale(1.1);
}

#generate-btn {
  padding: 15px 30px;
  font-size: 1.5rem;
  font-family: 'Nanum Pen Script', cursive;
  cursor: pointer;
  background-color: var(--button-bg);
  color: var(--button-text);
  border: none;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: background-color 0.3s ease, transform 0.2s ease;
}

#generate-btn:hover {
  background-color: #45a049;
  transform: translateY(-2px);
}

#generate-btn:active {
  transform: translateY(0);
}

/* Partnership Inquiry Form Styles */
.partnership-inquiry {
  background-color: var(--background-color);
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  margin-top: 30px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  text-align: left;
}

.partnership-inquiry h2 {
  font-size: 2rem;
  color: var(--h1-color);
  margin-top: 0;
  margin-bottom: 20px;
  text-align: center;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: var(--text-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: calc(100% - 20px);
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  font-family: 'Nanum Pen Script', cursive;
  background-color: var(--background-color);
  color: var(--text-color);
}

.form-group textarea {
  resize: vertical;
}

.partnership-inquiry button[type="submit"] {
  width: 100%;
  padding: 12px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 1.2rem;
  font-family: 'Nanum Pen Script', cursive;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.partnership-inquiry button[type="submit"]:hover {
  background-color: #0056b3;
}

/* Responsive design */
@media (max-width: 600px) {
  :root {
    --ball-size: 40px;
  }
  h1 {
    font-size: 2.5rem;
  }
  #generate-btn {
    padding: 12px 25px;
    font-size: 1.2rem;
  }
  .partnership-inquiry {
    margin-top: 20px;
    padding: 15px;
  }
  .partnership-inquiry h2 {
    font-size: 1.8rem;
  }
  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group textarea {
    width: calc(100% - 20px);
    font-size: 0.9rem;
  }
  .partnership-inquiry button[type="submit"] {
    padding: 10px;
    font-size: 1rem;
  }
}