/* ============================================
   Glass Effects — Liquid Glass / Glassmorphism
   ============================================ */

.glass {
  background: var(--color-glass);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
}

.glass-strong {
  background: var(--color-glass-strong);
  backdrop-filter: blur(40px) saturate(1.6);
  -webkit-backdrop-filter: blur(40px) saturate(1.6);
  border: 1px solid var(--color-glass-highlight);
  border-radius: var(--radius-md);
}

.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--color-glass-highlight) 30%,
    var(--color-glass-highlight) 70%,
    transparent
  );
  z-index: 1;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
  border-color: var(--color-glass-highlight);
}

.glass-pill {
  background: var(--color-glass);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-5);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.glass-glow {
  box-shadow: var(--shadow-glow),
              inset 0 1px 0 var(--color-glass-highlight);
}

/* Gold-accented glass variant */
.glass-gold {
  background: rgba(212, 168, 67, 0.08);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(212, 168, 67, 0.25);
  border-radius: var(--radius-md);
}

.glass-gold::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--color-gold) 30%,
    var(--color-gold-light) 50%,
    var(--color-gold) 70%,
    transparent
  );
  z-index: 1;
}

/* Felt-textured glass (poker table surface) */
.glass-felt {
  background: linear-gradient(135deg,
    rgba(26, 92, 58, 0.6),
    rgba(13, 51, 33, 0.8)
  );
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border: 1px solid rgba(42, 122, 78, 0.3);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 2px 30px rgba(0, 0, 0, 0.3);
}