/* ==========================================================================
   richter2026 — buttons.css
   Modern flat/soft-shadow buttons, replacing the legacy
   url('cat-background.png') gradient-image buttons.
   Milestone: 0.1 Foundation
   ========================================================================== */

a.button,
input.button,
button.button,
.richter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  cursor: pointer;
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  padding: 0 var(--space-5);
  height: 44px;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

a.button:hover,
input.button:hover,
button.button:hover,
.richter-btn:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: #fff;
  transform: translateY(-1px);
}

a.button:active,
input.button:active,
button.button:active,
.richter-btn:active {
  transform: translateY(1px);
}

/* Primary "add to cart" / checkout call-to-action — orange accent */
a.button.richter-btn--accent,
input.button.richter-btn--accent,
.richter-btn--accent,
.cart input.button,
.product-info .cart input.button {
  background: var(--color-accent);
}

a.button.richter-btn--accent:hover,
input.button.richter-btn--accent:hover,
.richter-btn--accent:hover,
.cart input.button:hover,
.product-info .cart input.button:hover {
  background: var(--color-accent-dark);
}

/* v1.23 — secondary/destructive action (e.g. "remove" on the
   product-compare page), intentionally less visually prominent than
   the accent "add to cart" button right next to it. */
a.button.richter-btn--muted,
input.button.richter-btn--muted,
.richter-btn--muted {
  background: none;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  box-shadow: none;
}

a.button.richter-btn--muted:hover,
input.button.richter-btn--muted:hover,
.richter-btn--muted:hover {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-text-faint);
}

/* Secondary / outline button */
.richter-btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border-strong);
  box-shadow: none;
}

.richter-btn--outline:hover {
  background: var(--color-bg-subtle);
  color: var(--color-primary-dark);
  box-shadow: none;
}

/* Ghost button, used on dark surfaces (header/footer) */
.richter-btn--ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: none;
}

.richter-btn--ghost:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
  box-shadow: none;
}

.richter-btn--sm {
  height: 34px;
  padding: 0 var(--space-4);
  font-size: var(--font-size-xs);
}

.richter-btn--lg {
  height: 50px;
  padding: 0 var(--space-6);
  font-size: var(--font-size-md);
}

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

.richter-btn[disabled],
.richter-btn--disabled {
  opacity: .5;
  cursor: not-allowed;
  pointer-events: none;
}

/* .buttons — legacy wrapper around left/right/center action groups
   (used throughout cart/checkout/account pages) */
.buttons {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  background: none;
  border: none;
  padding: var(--space-4) 0;
  margin-bottom: var(--space-6);
}

.buttons .left { text-align: left; }
.buttons .right { text-align: right; margin-left: auto; }
.buttons .center { margin: 0 auto; }

@media (max-width: 599px) {
  .buttons {
    flex-wrap: wrap;
  }

  a.button, input.button, .richter-btn {
    width: 100%;
  }
}