/* Tier 3 — component tokens. Map semantic → component. Override here, not in component CSS. */
:root,[data-theme]{
--bh-btn-h:44px;--bh-btn-h-lg:52px;--bh-btn-px:20px;--bh-btn-px-lg:24px;--bh-btn-radius:var(--bh-radius-md);--bh-btn-weight:var(--bh-weight-semibold);--bh-btn-gap:8px;
--bh-btn-primary-bg:var(--bh-color-primary);--bh-btn-primary-bg-hover:var(--bh-color-primary-hover);--bh-btn-primary-bg-active:var(--bh-color-primary-active);--bh-btn-primary-text:var(--bh-color-on-primary);
--bh-btn-secondary-bg:var(--bh-color-surface);--bh-btn-secondary-bg-hover:var(--bh-color-bg-subtle);--bh-btn-secondary-border:var(--bh-color-border-strong);--bh-btn-secondary-border-hover:var(--bh-color-text-strong);--bh-btn-secondary-text:var(--bh-color-text-strong);
--bh-btn-ghost-bg-hover:var(--bh-color-primary-subtle);--bh-btn-ghost-text:var(--bh-color-text-strong);
--bh-btn-disabled-bg:var(--bh-color-surface-sunken);--bh-btn-disabled-text:var(--bh-color-text-tertiary);
--bh-input-h:48px;--bh-input-px:14px;--bh-input-radius:var(--bh-radius-md);--bh-input-bg:var(--bh-color-surface);--bh-input-bg-disabled:var(--bh-color-surface-sunken);--bh-input-border:var(--bh-color-border-strong);--bh-input-border-hover:var(--bh-color-border-hover);--bh-input-border-focus:var(--bh-color-primary);--bh-input-border-error:var(--bh-color-error);--bh-input-text:var(--bh-color-text);--bh-input-placeholder:var(--bh-color-text-tertiary);
--bh-card-bg:var(--bh-color-surface);--bh-card-border:var(--bh-color-border);--bh-card-border-hover:var(--bh-color-border-hover);--bh-card-radius:var(--bh-radius-lg);--bh-card-pad:clamp(20px,16px + 1cqi,28px);
--bh-header-bg:var(--bh-color-bg);--bh-header-border:var(--bh-color-border);--bh-nav-link:var(--bh-color-text);--bh-nav-link-hover:var(--bh-color-primary);
--bh-footer-bg:var(--bh-color-bg-subtle);--bh-footer-border:var(--bh-color-border);
--bh-frame-bg:var(--bh-color-surface);--bh-frame-bar:var(--bh-color-bg-subtle);--bh-frame-border:var(--bh-color-border);--bh-frame-radius:var(--bh-radius-lg);
--bh-diagram-node-bg:var(--bh-color-surface);--bh-diagram-node-border:var(--bh-color-border-strong);--bh-diagram-node-core-bg:var(--bh-color-primary);--bh-diagram-node-core-text:var(--bh-color-on-primary);--bh-diagram-line:var(--bh-color-border-strong);--bh-diagram-accent:var(--bh-color-accent);
--bh-badge-radius:var(--bh-radius-sm);--bh-tag-radius:var(--bh-radius-sm);
--bh-step-marker:var(--bh-color-accent);
}