/* ==========================================================================
   WalliSend Button Component
   Boutons avec variantes Primary, Secondary, Ghost
   ========================================================================== */

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: transform var(--transition-smooth),
              box-shadow var(--transition-smooth),
              background-color var(--transition-smooth),
              border-color var(--transition-smooth);
  min-height: var(--touch-target-min);
}

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

/* ===== TAILLES ===== */

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--font-size-sm);
  min-height: 40px;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-md);
  min-height: 56px;
}

/* ===== VARIANTE PRIMARY ===== */

.btn--primary {
  background-color: var(--color-white);
  color: var(--color-primary-light);
  border-color: var(--color-white);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-primary-dark);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* ===== VARIANTE SECONDARY ===== */

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

.btn--secondary:hover {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn--secondary:active {
  transform: translateY(0);
}

/* ===== VARIANTE GHOST ===== */

.btn--ghost {
  background-color: transparent;
  color: var(--color-white);
  border-color: transparent;
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
}

.btn--ghost:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ===== VARIANTES SUR FOND CLAIR ===== */

.btn--primary-dark {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  border-color: var(--color-primary-dark);
}

.btn--primary-dark:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn--secondary-dark:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ===== ICÔNE DANS BOUTON ===== */

.btn__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn__icon--left {
  margin-right: var(--space-xs);
}

.btn__icon--right {
  margin-left: var(--space-xs);
}

/* ===== BOUTON AVEC ICÔNE STORE ===== */

.btn--store {
  padding: 0.75rem 1.5rem;
  gap: var(--space-sm);
}

.btn--store .btn__icon {
  width: 24px;
  height: 24px;
}

/* ===== ÉTAT DISABLED ===== */

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

/* ===== FULL WIDTH ===== */

.btn--full {
  width: 100%;
}

@media (min-width: 768px) {
  .btn--full {
    width: auto;
  }
}