/* Button Component Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-8);
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: var(--leading-normal);
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  user-select: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-2) var(--spacing-6);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-10);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-xl {
  padding: var(--spacing-5) var(--spacing-12);
  font-size: var(--text-xl);
  border-radius: var(--radius-xl);
}

.btn-full {
  width: 100%;
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--light);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
}

.btn-primary:focus {
  outline-color: var(--primary);
}

/* Secondary Button */
.btn-secondary {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
  color: var(--light);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.btn-secondary:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.2);
}

.btn-secondary:focus {
  outline-color: var(--secondary);
}

/* Accent Button */
.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--light);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

.btn-accent:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.2);
}

.btn-accent:focus {
  outline-color: var(--accent);
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: none;
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-outline:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.1);
}

.btn-outline-secondary {
  background-color: transparent;
  color: var(--secondary);
  border-color: var(--secondary);
}

.btn-outline-secondary:hover {
  background-color: var(--secondary);
  color: var(--light);
}

.btn-outline-accent {
  background-color: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-outline-accent:hover {
  background-color: var(--accent);
  color: var(--light);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--gray-700);
  border-color: transparent;
  box-shadow: none;
}

.btn-ghost:hover {
  background-color: var(--gray-100);
  color: var(--primary);
  transform: none;
}

.btn-ghost:active {
  background-color: var(--gray-200);
}

/* Danger Button */
.btn-danger {
  background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
  color: var(--light);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.3);
}

.btn-danger:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.2);
}

.btn-danger:focus {
  outline-color: var(--error);
}

/* Success Button */
.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  color: var(--light);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.btn-success:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.2);
}

/* Button with Icon */
.btn-icon {
  padding-left: var(--spacing-6);
}

.btn-icon::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  margin-right: var(--spacing-2);
}

.btn-icon-trial::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z'/%3E%3C/svg%3E");
}

.btn-icon-demo::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M10 16.5l6-4.5-6-4.5v9zM12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8z'/%3E%3C/svg%3E");
}

.btn-icon-contact::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z'/%3E%3C/svg%3E");
}

.btn-icon-arrow::after {
  content: '→';
  font-size: var(--text-lg);
  transition: transform var(--transition-fast);
}

.btn-icon-arrow:hover::after {
  transform: translateX(4px);
}

/* Button Group */
.btn-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  align-items: center;
}

.btn-group-vertical {
  display: inline-flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.btn-group-stacked {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  width: 100%;
}

.btn-group-stacked .btn {
  width: 100%;
}

/* Loading State */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: button-spinner 0.8s linear infinite;
}

.btn-outline.btn-loading::after {
  border: 2px solid rgba(37, 99, 235, 0.3);
  border-top-color: var(--primary);
}

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

/* Module Specific Buttons */
.btn-module {
  position: relative;
  padding-left: var(--spacing-10);
}

.btn-module::before {
  content: '';
  position: absolute;
  left: var(--spacing-6);
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.btn-module-signage::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M21 3H3c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h18c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H3V5h18v14z'/%3E%3C/svg%3E");
}

.btn-module-chat::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M20 2H4c-1.1 0-1.99.9-1.99 2L2 22l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2zM6 9h12v2H6V9zm8 5H6v-2h8v2zm4-6H6V6h12v2z'/%3E%3C/svg%3E");
}

.btn-module-products::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 7C4.67 7 4 6.33 4 5.5S4.67 4 5.5 4 7 4.67 7 5.5 6.33 7 5.5 7z'/%3E%3C/svg%3E");
}

/* Badge Button */
.btn-badge {
  position: relative;
}

.btn-badge::after {
  content: attr(data-badge);
  position: absolute;
  top: -8px;
  right: -8px;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background-color: var(--accent);
  color: var(--light);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Social Buttons */
.btn-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
  background-color: var(--gray-100);
  color: var(--gray-700);
  border: none;
  transition: all var(--transition-fast);
}

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

.btn-social.facebook:hover {
  background-color: #1877f2;
  color: white;
}

.btn-social.twitter:hover {
  background-color: #1da1f2;
  color: white;
}

.btn-social.linkedin:hover {
  background-color: #0077b5;
  color: white;
}

.btn-social.instagram:hover {
  background: linear-gradient(45deg, #405de6, #5851db, #833ab4, #c13584, #e1306c, #fd1d1d);
  color: white;
}

/* Pricing Button */
.btn-pricing {
  background: linear-gradient(135deg, var(--light) 0%, var(--gray-100) 100%);
  color: var(--dark);
  border: 2px solid var(--gray-300);
  box-shadow: var(--shadow-sm);
}

.btn-pricing:hover {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--light) 0%, var(--primary-bg) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-pricing.selected {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--light);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-pricing.selected:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

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

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

.btn-ripple:focus:not(:active)::after {
  animation: ripple 1s ease-out;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 0.5;
  }
  100% {
    transform: scale(40, 40);
    opacity: 0;
  }
}