:root {
  --bg-color: #f0f2f5;
  --card-bg: #ffffff;
  --text-color: #333333;
  --primary-color: #3498db;
  --secondary-color: #2ecc71;
  --ball-bg: #e0e0e0;
  --ball-text: #2c3e50;
  --input-bg: #ffffff;
  --input-border: #cccccc;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --divider: #dddddd;
}

[data-theme='dark'] {
  --bg-color: #1a1a1a;
  --card-bg: #2d2d2d;
  --text-color: #ecf0f1;
  --primary-color: #3498db;
  --secondary-color: #2ecc71;
  --ball-bg: #444444;
  --ball-text: #ecf0f1;
  --input-bg: #3d3d3d;
  --input-border: #555555;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
  --divider: #444444;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Pretendard', 'Inter', sans-serif;
  transition: all 0.3s ease;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.theme-controls {
  padding: 20px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 15px;
}

.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lotto-section, .contact-section, .comment-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1, h2 {
  text-align: center;
}

/* 로또 스타일 */
#lotto-container {
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
  min-height: 100px;
  width: 100%;
  max-width: 600px;
  margin-bottom: 30px;
}

.ball {
  width: 50px;
  height: 50px;
  background-color: var(--ball-bg);
  color: var(--ball-text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  animation: popIn 0.3s ease-out;
}

.divider {
  width: 100%;
  height: 1px;
  background-color: var(--divider);
  margin: 60px 0;
}

/* 제휴 문의 폼 스타일 */
.contact-desc {
  color: var(--text-color);
  opacity: 0.8;
  margin-bottom: 30px;
  text-align: center;
}

.contact-form {
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 600px;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input, .form-group textarea {
  padding: 12px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  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);
}

/* 댓글 섹션 스타일 */
.comment-section {
  width: 100%;
  max-width: 800px;
}

#disqus_thread {
  width: 100%;
  padding: 20px;
  background-color: var(--card-bg);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

button {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

#theme-toggle {
  background-color: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--input-border);
}

#draw-btn {
  background-color: var(--primary-color);
  color: white;
}

.submit-btn {
  background-color: var(--secondary-color);
  color: white;
  width: 100%;
  font-size: 1.1rem;
}

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