/* Button Components - OJDX Design System */

/* Base Button */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border: 2px solid;
  background: transparent;
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border-radius: 4px;
  transition: all var(--duration-base) var(--ease-smooth);
  user-select: none;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.3);
}

/* Primary Button */
.btn-primary {
  background: var(--color-bright-blue);
  color: var(--color-space-black);
  border-color: var(--color-bright-blue);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-bright-blue);
  box-shadow: 0 0 20px rgba(79, 195, 247, 0.4);
}

.btn-primary:active {
  transform: scale(0.98);
}

/* Secondary Button */
.btn-secondary {
  color: var(--color-text-light);
  border-color: var(--color-border-blue);
}

.btn-secondary:hover {
  border-color: var(--color-electric-cyan);
  color: var(--color-electric-cyan);
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
}

.btn-secondary:active {
  transform: scale(0.98);
}

/* Accent Buttons */
.btn-amber {
  background: var(--color-warm-amber);
  color: var(--color-space-black);
  border-color: var(--color-warm-amber);
}

.btn-amber:hover {
  background: transparent;
  color: var(--color-warm-amber);
  box-shadow: 0 0 20px rgba(255, 202, 40, 0.4);
}

.btn-purple {
  background: transparent;
  color: var(--color-soft-purple);
  border-color: var(--color-soft-purple);
}

.btn-purple:hover {
  background: var(--color-soft-purple);
  color: var(--color-white);
  box-shadow: 0 0 20px rgba(171, 71, 188, 0.4);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
}

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

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

.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

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

.btn-group .btn {
  flex: 1;
}

/* Full Width */
.btn-full {
  width: 100%;
  display: block;
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text-light);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-border-blue);
}

/* Link Button */
.btn-link {
  background: none;
  border: none;
  color: var(--color-bright-blue);
  text-decoration: underline;
  padding: 0;
  font-family: var(--font-secondary);
  text-transform: none;
  letter-spacing: normal;
}

.btn-link:hover {
  color: var(--color-electric-cyan);
  text-decoration: none;
}