/* ========================================
   BUTTON COMPONENT SYSTEM
   Reusable button styles
   ======================================== */

/* ======================================== 
   BASE BUTTON STYLES 
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base) var(--ease-in-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

/* Button Focus */
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* ======================================== 
   BUTTON VARIANTS 
   ======================================== */

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, 
    var(--color-primary) 0%, 
    var(--color-primary-dark) 100%);
  color: var(--color-secondary);
  border-color: var(--color-primary);
  box-shadow: 0 4px 15px rgba(97, 0, 0, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(97, 0, 0, 0.3);
  background: linear-gradient(135deg, 
    var(--color-primary-light) 0%, 
    var(--color-primary) 100%);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(97, 0, 0, 0.2);
}

/* Secondary Button */
.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(97, 0, 0, 0.2);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: currentColor;
}

.btn-ghost:hover {
  background: var(--color-primary);
  color: var(--color-secondary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* Accent Button */
.btn-accent {
  background: linear-gradient(135deg, 
    var(--color-accent) 0%, 
    var(--color-accent-dark) 100%);
  color: var(--color-gray-900);
  border-color: var(--color-accent);
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 215, 0, 0.4);
  background: linear-gradient(135deg, 
    var(--color-accent-light) 0%, 
    var(--color-accent) 100%);
}

/* Dark Button */
.btn-dark {
  background: var(--color-gray-900);
  color: var(--color-secondary);
  border-color: var(--color-gray-900);
}

.btn-dark:hover {
  background: var(--color-black);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

/* ======================================== 
   HERO MEGA BUTTON - Moved to hero.css for golden styling
   ======================================== */
/* Button styles now in components/hero.css for cohesive golden theme */

/* ======================================== 
   BUTTON SIZES 
   ======================================== */
.btn.small {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
}

.btn.large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--text-lg);
}

.btn.xlarge {
  padding: var(--space-xl) var(--space-3xl);
  font-size: var(--text-xl);
}

/* ======================================== 
   BUTTON WITH ICON 
   ======================================== */
.btn svg {
  width: 1.25em;
  height: 1.25em;
  stroke-width: 2;
  transition: transform var(--transition-base);
}

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

.btn-icon-only {
  padding: var(--space-md);
  aspect-ratio: 1;
}

/* ======================================== 
   BUTTON GROUP 
   ======================================== */
.btn-group {
  display: inline-flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}

.btn-group-vertical {
  flex-direction: column;
  align-items: stretch;
}

/* ======================================== 
   BUTTON LOADING STATE 
   ======================================== */
.btn.loading {
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid var(--color-secondary);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
  to {
    transform: rotate(360deg);
  }
}

/* ======================================== 
   FLOATING ACTION BUTTON 
   ======================================== */
.fab {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, 
    var(--color-primary) 0%, 
    var(--color-primary-dark) 100%);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 
    0 10px 30px rgba(97, 0, 0, 0.3),
    0 0 0 0 rgba(97, 0, 0, 0.2);
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
}

.fab:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 
    0 15px 40px rgba(97, 0, 0, 0.4),
    0 0 0 8px rgba(97, 0, 0, 0.1);
}

.fab svg {
  width: 24px;
  height: 24px;
}

/* ======================================== 
   RIPPLE EFFECT 
   ======================================== */
.btn {
  position: relative;
  overflow: hidden;
}

.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ======================================== 
   RESPONSIVE BUTTONS 
   ======================================== */
@media (max-width: 768px) {
  .btn {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
  }
  
  .btn.large {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-base);
  }
  
  /* btn-hero-mega responsive styles moved to hero.css */
  
  .fab {
    width: 56px;
    height: 56px;
    bottom: var(--space-lg);
    right: var(--space-lg);
  }
  
  /* Mobile-specific text hiding */
  .btn-text-desktop {
    display: inline;
  }
  
  .btn-text-mobile {
    display: none;
  }
}

@media (max-width: 640px) {
  .btn-text-desktop {
    display: none;
  }
  
  .btn-text-mobile {
    display: inline;
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-group .btn {
    width: 100%;
  }
}