/*
 * components/buttons.css
 * Alle knapvarianter for Digirehab
 */

/* ============================================================
   BASE
============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-family);
  font-size: var(--font-size-button);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-button);
  line-height: var(--line-height-button);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition:
    background-color var(--duration-base) var(--easing-in-out),
    color var(--duration-base) var(--easing-in-out),
    border-color var(--duration-base) var(--easing-in-out),
    box-shadow var(--duration-fast) var(--easing-out);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-focus-ring);
}

/* ============================================================
   STØRRELSER
============================================================ */

.btn--sm {
  height: var(--btn-height-sm);
  padding: var(--btn-padding-sm);
  border-radius: var(--radius-btn-sm);
}

.btn--md {
  height: var(--btn-height-md);
  padding: var(--btn-padding-md);
  border-radius: var(--radius-btn-md);
}

.btn--lg {
  height: var(--btn-height-lg);
  padding: var(--btn-padding-lg);
  border-radius: var(--radius-btn-lg);
}

/* ============================================================
   VARIANTER
============================================================ */

/* Primary */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: transparent;
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-white);
  text-decoration: none;
}

.btn--primary:active {
  background-color: var(--color-primary-active);
}

/* Secondary */
.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
  text-decoration: none;
}

/* Ghost */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border-input);
}

.btn--ghost:hover {
  background-color: var(--color-bg-section);
  color: var(--color-text-primary);
  text-decoration: none;
}

/* Danger */
.btn--danger {
  background-color: transparent;
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.btn--danger:hover {
  background-color: var(--color-danger-bg);
  text-decoration: none;
}

/* Disabled */
.btn:disabled,
.btn--disabled {
  background-color: var(--color-bg-inactive);
  color: var(--color-text-disabled);
  border-color: transparent;
  cursor: not-allowed;
  pointer-events: none;
}

/* Ikoner i knapper */
.btn svg {
  width: var(--icon-size-inline);
  height: var(--icon-size-inline);
  stroke-width: var(--icon-stroke);
  flex-shrink: 0;
}