:root {
  --bg-color: #f0f2f5;
  --text-color: #1c1e21;
  --container-bg: #ffffff;
  --primary-color: #007bff;
  --primary-hover: #0056b3;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --ball-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  --input-bg: #f8f9fa;
  --input-border: #ddd;
}

[data-theme="dark"] {
  --bg-color: #18191a;
  --text-color: #e4e6eb;
  --container-bg: #242526;
  --primary-color: #4080ff;
  --primary-hover: #3570e5;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  --input-bg: #3a3b3c;
  --input-border: #4e4f50;
}

* {
  box-sizing: border-box;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  margin: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  justify-content: center;
  padding: 2rem 0;
}

.main-wrapper {
  width: 90%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.container {
  background-color: var(--container-bg);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow);
  text-align: center;
}

h1, h2 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; }

.controls {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 100;
}

#theme-toggle {
  background-color: var(--container-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  cursor: pointer;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
}

#generate, .submit-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: transform 0.1s active, background-color 0.2s;
  box-shadow: 0 4px 6px rgba(0, 123, 255, 0.2);
  width: 100%;
}

#generate:hover, .submit-btn:hover {
  background-color: var(--primary-hover);
}

#generate:active, .submit-btn:active {
  transform: scale(0.98);
}

.numbers-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 2rem;
  min-height: 60px;
}

.number {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  box-shadow: var(--ball-shadow);
  animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes popIn {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Inquiry Form Specifics */
.inquiry-form, .comments-section {
  text-align: left;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border-radius: 0.5rem;
  border: 1px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--text-color);
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.2);
}

/* Lotto Ball Colors (Korean style) */
.num-1-10 { background-color: #fbc400; color: #000; }
.num-11-20 { background-color: #69c8f2; color: #fff; }
.num-21-30 { background-color: #ff7272; color: #fff; }
.num-31-40 { background-color: #aaaaaa; color: #fff; }
.num-41-45 { background-color: #b0d840; color: #fff; }

#disqus_thread {
  margin-top: 1rem;
}