.glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid transparent;
  border-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0) 100%
  ) 1;
  position: relative;
}

[data-theme="light"] .glass {
  background: rgba(255, 255, 255, 0.8);
  border-image: linear-gradient(
    135deg,
    rgba(16, 185, 129, 0.1) 0%,
    rgba(100, 116, 139, 0.1) 100%
  ) 1;
}

.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: var(--stack-md);
  border: 1px solid transparent;
  border-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0) 100%
  ) 1;
  transition: all var(--transition-base) linear-out;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at top left,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 50%
  );
  pointer-events: none;
}

[data-theme="light"] .glass-card {
  background: rgba(255, 255, 255, 0.8);
  border-image: linear-gradient(
    135deg,
    rgba(16, 185, 129, 0.1) 0%,
    rgba(100, 116, 139, 0.1) 100%
  ) 1;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.glass-card:hover {
  border-image: linear-gradient(
    135deg,
    rgba(78, 222, 163, 0.3) 0%,
    rgba(173, 198, 255, 0.2) 100%
  ) 1;
  transform: translateY(-2px);
}

[data-theme="light"] .glass-card:hover {
  border-image: linear-gradient(
    135deg,
    rgba(16, 185, 129, 0.3) 0%,
    rgba(86, 94, 116, 0.2) 100%
  ) 1;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
}

.glass-nav {
  background: rgba(16, 20, 21, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .glass-nav {
  background: rgba(248, 249, 255, 0.8);
  border-bottom: 1px solid rgba(16, 185, 129, 0.1);
}