/* ==========================================================================
   Component — Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.4;
  min-height: 44px; /* touch-friendly */
  white-space: nowrap;
  -webkit-appearance: none;
  appearance: none;

  &:active {
    transform: scale(0.97);
  }

  &:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }
}

/* --- Primary (navy) --- */
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);

  &:hover {
    background: color-mix(in srgb, var(--color-primary) 85%, #000);
    color: var(--color-text-inverse);
  }

  &:visited {
    color: var(--color-text-inverse);
  }
}

/* --- Accent (gold) --- */
.btn--accent {
  background: var(--color-accent);
  color: var(--color-surface-dark);
  border-color: var(--color-accent);

  &:hover {
    background: var(--color-accent-hover);
    color: var(--color-surface-dark);
  }

  &:visited {
    color: var(--color-surface-dark);
  }
}

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

  &:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
  }
}

/* --- Large --- */
.btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-lg);
  min-height: 56px;
}

/* --- Small --- */
.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

/* --- Block (full width) --- */
.btn--block {
  width: 100%;
}