.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  white-space: nowrap;
  cursor: pointer;
  line-height: 1.5;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-white);
  box-shadow: 0 4px 12px rgba(26, 95, 254, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 16px rgba(26, 95, 254, 0.4);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-text-white);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.4);
  transform: translateY(-1px);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.btn-outline-accent {
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}

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

.btn-ghost {
  color: var(--color-text-secondary);
  background: transparent;
}

.btn-ghost:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-md);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-block {
  display: flex;
  width: 100%;
}

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

.btn-loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--color-text-white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-normal);
}

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

.card-highlight {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(26, 95, 254, 0.1);
}

.card-accent {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.1);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-xl);
  line-height: 1.5;
}

.tag-primary {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.tag-accent {
  background: var(--color-accent-bg);
  color: var(--color-accent);
}

.tag-success {
  background: rgba(0, 196, 140, 0.1);
  color: var(--color-success);
}

.divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: var(--spacing-xl) 0;
}

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  font-size: 24px;
  flex-shrink: 0;
}

.icon-box-primary {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.icon-box-accent {
  background: var(--color-accent-bg);
  color: var(--color-accent);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.badge-pulse {
  position: relative;
}

.badge-pulse::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(255, 107, 53, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 107, 53, 0); }
}