:root {
  --bg-light: #f8f9fa;
  --text-light: #2d3436;
  --primary: #6c5ce7;
  --primary-hover: #5b4cc4;
  --secondary: #a29bfe;
  --accent: #fd79a8;
  --white: #ffffff;
  --gray: #dfe6e9;
  --dark-gray: #636e72;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  --bg-dark: #2d3436;
  --text-dark: #dfe6e9;
  --primary-dark: #a29bfe;
  
  --font-main: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-light);
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  transition: all 0.3s ease;
  line-height: 1.6;
}

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

/* Card Container for Main Content */
.container {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin: 4rem auto 2rem;
    max-width: 600px;
    width: 90%;
    text-align: center;
    transition: background-color 0.3s ease;
}

body.dark-mode .container {
    background: #3a3f42; /* Slightly lighter than bg-dark */
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

h1 {
  color: var(--primary);
  margin: 0 0 1.5rem;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

/* Lotto Numbers */
#lotto-numbers {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 2.5rem 0;
}

.lotto-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  box-shadow: inset 0 -3px 0 rgba(0,0,0,0.2), var(--shadow-md);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.lotto-number:hover {
    transform: translateY(-5px) scale(1.05);
}

.color-1 { background: linear-gradient(135deg, #fbc531, #e1b12c); }
.color-10 { background: linear-gradient(135deg, #00a8ff, #0097e6); }
.color-20 { background: linear-gradient(135deg, #e84118, #c23616); }
.color-30 { background: linear-gradient(135deg, #7f8fa6, #718093); }
.color-40 { background: linear-gradient(135deg, #4cd137, #44bd32); }

/* Buttons */
.button-container {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

button, .button {
  background-color: var(--primary);
  color: var(--white);
  border: none;
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-main);
}

button:hover, .button:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

button:active, .button:active {
    transform: translateY(0);
}

body.dark-mode button, body.dark-mode .button {
    background-color: var(--primary-dark);
    color: var(--bg-dark);
}

/* Secondary Button Style */
.button.secondary {
    background-color: transparent;
    color: var(--text-light);
    box-shadow: none;
    border: 1px solid var(--gray);
}

.button.secondary:hover {
    background-color: var(--gray);
    color: var(--text-light);
}

body.dark-mode .button.secondary {
    color: var(--text-dark);
    border-color: var(--dark-gray);
}
body.dark-mode .button.secondary:hover {
    background-color: var(--dark-gray);
}


/* Theme Switcher */
#theme-switcher {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    color: var(--text-light);
    border: 1px solid var(--gray);
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    z-index: 100;
}

body.dark-mode #theme-switcher {
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-dark);
    border-color: var(--dark-gray);
}

#theme-switcher:hover {
    background-color: var(--white);
    transform: translateY(-1px);
}

/* Footer & Contact */
footer {
    width: 100%;
    padding: 2rem 0;
    text-align: center;
    margin-top: auto;
    font-size: 0.9rem;
    color: var(--dark-gray);
}

#contact-btn {
    font-size: 0.9rem;
    padding: 0.6rem 1.2rem;
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--gray);
    box-shadow: none;
    border-radius: 20px;
}

#contact-btn:hover {
    background: var(--gray);
    transform: translateY(-1px);
}

body.dark-mode #contact-btn {
    color: var(--text-dark);
    border-color: var(--dark-gray);
}
body.dark-mode #contact-btn:hover {
    background: var(--dark-gray);
}

/* Text Content for Legal/Info Pages */
.text-left {
    text-align: left;
}

.content-section {
    margin-top: 2rem;
    font-size: 1rem;
    color: var(--text-light);
}

body.dark-mode .content-section {
    color: var(--text-dark);
}

.content-section h2 {
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

body.dark-mode .content-section h2 {
    color: var(--primary-dark);
}

.content-section ul {
    padding-left: 1.5rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

/* Footer Links */
.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--dark-gray);
    text-decoration: none;
    margin: 0 0.5rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
    text-decoration: underline;
}

body.dark-mode .footer-links a {
    color: #b2bec3;
}

body.dark-mode .footer-links a:hover {
    color: var(--primary-dark);
}

/* Disqus */
#disqus_thread {
    width: 100%;
    max-width: 600px;
    margin: 0 auto 3rem;
    padding: 0 1.5rem;
    box-sizing: border-box;
}

/* Mobile Adjustments */
@media (max-width: 480px) {
  .container {
      padding: 2rem 1.5rem;
      margin-top: 5rem;
      width: 85%;
  }

  h1 {
    font-size: 1.8rem;
  }

  .lotto-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}