/* ====================================
   UXWAVE STUDIO - BUTTON ENHANCEMENTS
   Premium micro-interactions & variants
   ==================================== */

/* Enhanced Primary Button (preserves existing, adds improvements) */
.btn-primary {
  position: relative;
  transition: all var(--ux-transition-base) var(--ux-ease-smooth);
  will-change: transform;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--ux-shadow-primary);
}

.btn-primary:active {
  transform: translateY(0px);
  box-shadow: var(--ux-shadow-sm);
}

/* Secondary Button Variant */
.btn-secondary {
  position: relative;
  display: inline-block;
  padding: 14px 32px;
  background: transparent;
  border: 2px solid var(--ux-primary);
  color: var(--ux-primary);
  font-weight: 500;
  border-radius: var(--ux-radius-md);
  transition: all var(--ux-transition-base) var(--ux-ease-smooth);
  overflow: hidden;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--ux-primary);
  color: var(--ux-white);
  transform: translateY(-2px);
  box-shadow: var(--ux-shadow-primary);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Ghost Button Variant */
.btn-ghost {
  position: relative;
  display: inline-block;
  padding: 14px 32px;
  background: transparent;
  border: none;
  color: var(--ux-text-primary);
  font-weight: 500;
  border-radius: var(--ux-radius-md);
  transition: all var(--ux-transition-base) var(--ux-ease-smooth);
  cursor: pointer;
}

.btn-ghost:hover {
  background: var(--ux-cream);
  transform: translateX(4px);
}

.btn-ghost svg {
  transition: transform var(--ux-transition-base) var(--ux-ease-smooth);
}

.btn-ghost:hover svg {
  transform: translateX(4px);
}

/* Outline Button */
.btn-outline {
  position: relative;
  display: inline-block;
  padding: 14px 32px;
  background: var(--ux-white);
  border: 2px solid var(--ux-text-primary);
  color: var(--ux-text-primary);
  font-weight: 500;
  border-radius: var(--ux-radius-md);
  transition: all var(--ux-transition-base) var(--ux-ease-smooth);
  cursor: pointer;
}

.btn-outline:hover {
  background: var(--ux-text-primary);
  color: var(--ux-white);
  transform: translateY(-2px);
  box-shadow: var(--ux-shadow-md);
}

/* Ripple Effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
  width: 300px;
  height: 300px;
}

/* Loading State */
.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.btn-loading::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 16px;
  height: 16px;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* Disabled State */
.btn[disabled],
.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Icon Animations */
.btn svg {
  transition: transform var(--ux-transition-base) var(--ux-ease-smooth);
}

.btn:hover svg {
  transform: translateX(2px);
}

/* Button Group */
.btn-group {
  display: inline-flex;
  gap: var(--ux-space-2);
}

.btn-group .btn {
  margin: 0;
}