/**
 * @file
 * Button component styles
 * Replicating shadcn/ui Button component
 */

/* Base button styles */
.btn,
.button,
button[type="submit"],
input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

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

.btn:disabled,
.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary button (default) */
.btn,
.btn-primary,
.button--primary,
button[type="submit"],
input[type="submit"] {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn:hover,
.btn-primary:hover,
.button--primary:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
  background-color: var(--color-primary-hover);
}

/* Secondary button */
.btn-secondary,
.button--secondary {
  background-color: var(--color-gray-100);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover,
.button--secondary:hover {
  background-color: var(--color-gray-200);
}

/* Outline button */
.btn-outline,
.button--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

/* Ghost button */
.btn-ghost,
.button--ghost {
  background-color: transparent;
  color: var(--color-text-primary);
}

.btn-ghost:hover,
.button--ghost:hover {
  background-color: var(--color-gray-100);
}

/* Danger button */
.btn-danger,
.button--danger {
  background-color: var(--color-danger);
  color: var(--color-white);
}

.btn-danger:hover,
.button--danger:hover {
  background-color: var(--color-danger-dark);
}

/* Success button */
.btn-success,
.button--success {
  background-color: var(--color-success);
  color: var(--color-white);
}

.btn-success:hover,
.button--success:hover {
  background-color: var(--color-success-dark);
}

/* Button sizes */
.btn-sm {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
}

.btn-xl {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
}

/* Icon button */
.btn-icon {
  padding: var(--spacing-2);
  aspect-ratio: 1;
}

.btn-icon.btn-sm {
  padding: var(--spacing-1);
}

.btn-icon.btn-lg {
  padding: var(--spacing-3);
}

/* Full width button */
.btn-full,
.btn-block {
  width: 100%;
}

/* Button with icon */
.btn svg,
.button svg {
  width: 1em;
  height: 1em;
}

/* Loading state */
.btn-loading {
  position: relative;
  color: transparent;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 1em;
  height: 1em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spinner 0.6s linear infinite;
}

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

/* Button group */
.btn-group {
  display: inline-flex;
}

.btn-group .btn:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: -1px;
}

.btn-group .btn:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}