/* Button Base Styles */
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* Unified Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-2xl);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  white-space: nowrap;
}

/* Desktop-only hover effects */
@media (hover: hover) {
  .btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  }
}

/* Mobile touch feedback */
@media (hover: none) {
  .btn:active:not(:disabled) {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Button Variants */
.btn-primary {
  background: var(--color-sage);
  color: white;
}

@media (hover: hover) {
  .btn-primary:hover:not(:disabled) {
    background: #98a890;
  }
}

.btn-secondary {
  background: transparent;
  color: var(--color-gray-warm);
  border-color: var(--color-stone);
}

@media (hover: hover) {
  .btn-secondary:hover:not(:disabled) {
    background: var(--color-stone-light);
    color: var(--color-charcoal);
  }
}

.btn-danger {
  background: var(--color-rose);
  color: white;
}

@media (hover: hover) {
  .btn-danger:hover:not(:disabled) {
    background: #c53030;
  }
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* Mobile touch target optimization - 48px minimum */
@media (max-width: 768px) {
  .btn {
    min-height: 48px;
    padding: var(--space-4) var(--space-5);
  }
  
  .btn-sm {
    padding: var(--space-3) var(--space-5);
    min-height: 48px;
    min-width: 48px;
  }
  
  .btn-icon {
    min-height: 48px;
    min-width: 48px;
    padding: var(--space-3);
  }
  
  /* Enhanced touch feedback for mobile */
  .btn:active:not(:disabled) {
    transform: scale(0.96);
    transition: transform 0.1s ease;
  }
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
}


.btn-icon {
  font-size: var(--text-base);
  display: inline-flex;
  align-items: center;
}

/* Ocean Transparent Button - Inspired by Customise Button */
.btn-ocean-transparent {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-ocean-deep);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

@media (hover: hover) {
  .btn-ocean-transparent:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 
      0 8px 24px rgba(26, 84, 144, 0.15),
      0 0 0 2px rgba(255, 255, 255, 0.2),
      inset 0 1px 0 rgba(255, 255, 255, 0.7);
  }
}

/* Ocean Gradient Button */
.btn-ocean-gradient {
  background: linear-gradient(135deg, var(--color-ocean-deep) 0%, var(--color-ocean-light) 100%);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (hover: hover) {
  .btn-ocean-gradient:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-ocean-light) 0%, var(--color-ocean-deep) 100%);
    box-shadow: 0 8px 24px rgba(26, 84, 144, 0.3),
                0 0 20px rgba(74, 144, 226, 0.2);
  }
}

/* Moss Button */
.btn-moss {
  background: linear-gradient(135deg, var(--color-moss-mid) 0%, var(--color-moss-light) 100%);
  color: white;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (hover: hover) {
  .btn-moss:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-moss-light) 0%, var(--color-moss-mid) 100%);
    box-shadow: 0 8px 24px rgba(61, 90, 61, 0.3),
                0 0 20px rgba(90, 124, 90, 0.2);
  }
}

/* Golden Glow Button */
.btn-golden {
  background: linear-gradient(135deg, var(--color-gold-warm) 0%, var(--color-gold-soft) 100%);
  color: var(--color-charcoal);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (hover: hover) {
  .btn-golden:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-gold-bright) 0%, var(--color-gold-warm) 100%);
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.3),
                0 0 30px rgba(255, 223, 77, 0.4);
    transform: translateY(-2px) scale(1.02);
  }
}