:root {
  /* Elegant Theme - Sophisticated Minimalist Colors */
  --color-primary: 31 41 55; /* Gray 800 */
  --color-secondary: 107 114 128; /* Gray 500 */
  --color-accent: 156 163 175; /* Gray 400 */
  --color-bg: 249 250 251; /* Gray 50 */
  --color-surface: 255 255 255; /* White */
  --color-card: 255 255 255; /* White */
  --color-text: 17 24 39; /* Gray 900 */
  --color-text-muted: 107 114 128; /* Gray 500 */
  --color-border: 229 231 235; /* Gray 200 */
  
  /* Elegant specific colors */
  --color-elegant-light: 243 244 246; /* Gray 100 */
  --color-elegant-medium: 156 163 175; /* Gray 400 */
  --color-elegant-dark: 55 65 81; /* Gray 700 */
}

body {
  background-color: rgb(var(--color-bg));
  color: rgb(var(--color-text));
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: rgb(var(--color-primary));
  color: rgb(var(--color-surface));
  padding: 0.875rem 2rem;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgb(var(--color-primary));
}

.btn-primary:hover {
  background: transparent;
  color: rgb(var(--color-primary));
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--color-primary), 0.15);
}

.elegant-card {
  background: rgb(var(--color-card));
  border: 1px solid rgb(var(--color-border));
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.elegant-card:hover {
  border-color: rgb(var(--color-primary));
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.elegant-text-gradient {
  background: linear-gradient(135deg, rgb(var(--color-primary)), rgb(var(--color-secondary)));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.elegant-divider {
  width: 3rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(var(--color-border)), transparent);
  margin: 2rem auto;
}

/* Elegant animations */
@keyframes elegant-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.elegant-fade-in {
  animation: elegant-fade-in 0.6s ease-out;
}

@keyframes elegant-slide-in {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.elegant-slide-in {
  animation: elegant-slide-in 0.5s ease-out;
}

/* Typography enhancements */
.elegant-heading {
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.elegant-body {
  font-weight: 300;
  line-height: 1.8;
  color: rgb(var(--color-text-muted));
}

.elegant-accent-line {
  position: relative;
}

.elegant-accent-line::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: rgb(var(--color-primary));
  transition: width 0.3s ease;
}

.elegant-accent-line:hover::after {
  width: 100%;
}