/* ==========================================================================
   BUTTONS
   Modern button component styles using design tokens
   ========================================================================== */

/* ====================
   BASE BUTTON STYLES
   ==================== */

.btn {
  /* Use design tokens for consistent sizing */
  --btn-height: 2.5rem;
  --btn-padding-x: var(--space-4);
  --btn-font-size: var(--text-md);
  --btn-font-weight: var(--font-medium);
  --btn-border-radius: var(--radius-md);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--btn-height);
  padding: 0 var(--btn-padding-x);
  font-family: var(--font-sans);
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  border: var(--border-width-thin) solid transparent;
  border-radius: var(--btn-border-radius);
  cursor: pointer;
  transition: var(--transition-colors), var(--transition-shadow);
  user-select: none;
}

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

/* ====================
   BUTTON SIZES
   ==================== */

.btn-sm {
  --btn-height: 2rem;
  --btn-padding-x: var(--space-3);
  --btn-font-size: var(--text-sm);
}

.btn-lg {
  --btn-height: 3rem;
  --btn-padding-x: var(--space-6);
  --btn-font-size: var(--text-lg);
}

/* ====================
   PRIMARY BUTTON (MJA Brand)
   ==================== */

.btn-primary {
  background-color: var(--color-primary-700);
  color: var(--color-neutral-0);
  border-color: var(--color-primary-700);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-600);
  border-color: var(--color-primary-600);
  box-shadow: var(--shadow-md);
  color: var(--color-neutral-0);
  text-decoration: none;
}

.btn-primary:active:not(:disabled),
.btn-primary.active {
  background-color: var(--color-primary-800);
  border-color: var(--color-primary-800);
  box-shadow: var(--shadow-sm);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-primary-400);
  outline-offset: 2px;
}

/* ====================
   SECONDARY BUTTON (Gold Accent)
   ==================== */

.btn-secondary {
  background-color: var(--color-secondary-500);
  color: var(--color-primary-900);
  border-color: var(--color-secondary-500);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-secondary-400);
  border-color: var(--color-secondary-400);
  box-shadow: var(--shadow-md);
  color: var(--color-primary-900);
  text-decoration: none;
}

.btn-secondary:active:not(:disabled),
.btn-secondary.active {
  background-color: var(--color-secondary-600);
  border-color: var(--color-secondary-600);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--color-secondary-300);
  outline-offset: 2px;
}

/* ====================
   SUCCESS BUTTON
   ==================== */

.btn-success {
  background-color: var(--color-success-600);
  color: var(--color-neutral-0);
  border-color: var(--color-success-600);
}

.btn-success:hover:not(:disabled) {
  background-color: var(--color-success-500);
  border-color: var(--color-success-500);
  box-shadow: var(--shadow-md);
  color: var(--color-neutral-0);
  text-decoration: none;
}

.btn-success:focus-visible {
  outline: 2px solid var(--color-success-500);
  outline-offset: 2px;
}

/* ====================
   DANGER BUTTON
   ==================== */

.btn-danger {
  background-color: var(--color-error-600);
  color: var(--color-neutral-0);
  border-color: var(--color-error-600);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-error-500);
  border-color: var(--color-error-500);
  box-shadow: var(--shadow-md);
  color: var(--color-neutral-0);
  text-decoration: none;
}

.btn-danger:focus-visible {
  outline: 2px solid var(--color-error-500);
  outline-offset: 2px;
}

/* ====================
   WARNING BUTTON
   ==================== */

.btn-warning {
  background-color: var(--color-warning-500);
  color: var(--color-neutral-900);
  border-color: var(--color-warning-500);
}

.btn-warning:hover:not(:disabled) {
  background-color: var(--color-warning-600);
  border-color: var(--color-warning-600);
  box-shadow: var(--shadow-md);
  color: var(--color-neutral-900);
  text-decoration: none;
}

.btn-warning:focus-visible {
  outline: 2px solid var(--color-warning-500);
  outline-offset: 2px;
}

/* ====================
   INFO BUTTON
   ==================== */

.btn-info {
  background-color: var(--color-info-500);
  color: var(--color-neutral-0);
  border-color: var(--color-info-500);
}

.btn-info:hover:not(:disabled) {
  background-color: var(--color-info-600);
  border-color: var(--color-info-600);
  box-shadow: var(--shadow-md);
  color: var(--color-neutral-0);
  text-decoration: none;
}

.btn-info:focus-visible {
  outline: 2px solid var(--color-info-500);
  outline-offset: 2px;
}

/* ====================
   OUTLINE BUTTONS
   ==================== */

.btn-outline-primary {
  background-color: transparent;
  color: var(--color-primary-700);
  border-color: var(--color-primary-700);
}

.btn-outline-primary:hover:not(:disabled) {
  background-color: var(--color-primary-700);
  color: var(--color-neutral-0);
  text-decoration: none;
}

.btn-outline-secondary {
  background-color: transparent;
  color: var(--color-secondary-600);
  border-color: var(--color-secondary-600);
}

.btn-outline-secondary:hover:not(:disabled) {
  background-color: var(--color-secondary-600);
  color: var(--color-neutral-0);
  text-decoration: none;
}

/* ====================
   LIGHT/DARK BUTTONS
   ==================== */

.btn-light {
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-900);
  border-color: var(--color-neutral-300);
}

.btn-light:hover:not(:disabled) {
  background-color: var(--color-neutral-200);
  border-color: var(--color-neutral-400);
  color: var(--color-neutral-900);
  text-decoration: none;
}

.btn-dark {
  background-color: var(--color-neutral-800);
  color: var(--color-neutral-0);
  border-color: var(--color-neutral-800);
}

.btn-dark:hover:not(:disabled) {
  background-color: var(--color-neutral-700);
  border-color: var(--color-neutral-700);
  color: var(--color-neutral-0);
  text-decoration: none;
}

/* ====================
   LINK BUTTON
   ==================== */

.btn-link {
  background-color: transparent;
  color: var(--color-primary-700);
  border-color: transparent;
  text-decoration: underline;
}

.btn-link:hover:not(:disabled) {
  color: var(--color-primary-600);
  text-decoration: underline;
}

/* Ensure good contrast for links/buttons in tables */
table .btn-link,
.table .btn-link,
tbody .btn-link,
td .btn-link,
th .btn-link {
  color: var(--color-primary-700) !important;
}

table .btn-link:hover,
.table .btn-link:hover,
tbody .btn-link:hover,
td .btn-link:hover,
th .btn-link:hover {
  color: var(--color-primary-600) !important;
  font-weight: var(--font-semibold);
}

/* Ensure good contrast for outline buttons in tables */
table .btn-outline-primary,
.table .btn-outline-primary,
tbody .btn-outline-primary,
td .btn-outline-primary,
th .btn-outline-primary {
  color: var(--color-primary-700) !important;
  border-color: var(--color-primary-700) !important;
}

table .btn-outline-primary:hover,
.table .btn-outline-primary:hover,
tbody .btn-outline-primary:hover,
td .btn-outline-primary:hover,
th .btn-outline-primary:hover {
  background-color: var(--color-primary-700) !important;
  border-color: var(--color-primary-700) !important;
  color: var(--color-neutral-0) !important;
}

/* ====================
   BUTTON WITH ICON
   ==================== */

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-sm);
}

.btn-icon i,
.btn-icon svg {
  flex-shrink: 0;
}

/* Icon-only button (square) */
.btn-icon-only {
  width: var(--btn-height);
  padding: 0;
}

/* ====================
   BUTTON GROUP
   ==================== */

.btn-group {
  display: inline-flex;
  gap: var(--gap-xs);
}

.btn-group .btn {
  margin: 0;
}

/* Connected button group */
.btn-group-connected {
  gap: 0;
}

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

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

/* ====================
   LOADING STATE
   ==================== */

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

.btn-loading::after {
  content: "";
  position: absolute;
  width: 1em;
  height: 1em;
  top: 50%;
  left: 50%;
  margin-left: -0.5em;
  margin-top: -0.5em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Make loading spinner visible */
.btn-loading::after {
  color: inherit;
  opacity: 0.8;
}

.btn-primary.btn-loading::after,
.btn-success.btn-loading::after,
.btn-danger.btn-loading::after,
.btn-info.btn-loading::after,
.btn-dark.btn-loading::after {
  border-color: var(--color-neutral-0);
  border-right-color: transparent;
}