UX: Domain detail actions and secondary outline button hover

[gaghan430]

Summary

• Surface domain actions (Refresh, Manage DNS Zone, Delete) on the domain detail overview so they’re available from the single-asset view, not only from the list row menu.
• Fix secondary outline Button so it has a proper hover state (background + text), consistent with other outline types.

Changes

Domain detail (Assets)

• In app/routes/project/detail/config/domains/detail/overview.tsx:
  • Added header actions next to the domain title (same pattern as edge proxy detail: flex items-center justify-between).
  • Refresh – uses useRefreshDomainRegistration with existing toasts.
  • Manage DNS Zone – navigates to DNS Zone detail or to list with ?action=create&domainName=... when no zone exists.
  • Delete – uses useDeleteDomain + confirmation; on success navigates back to Domains list.
• Ensures object-level actions are available on the object’s view, not only in the list.

Theme (app/styles/themes/alpha.css)

• Button tokens (light + dark): Per-type tokens for base, hover, and active (--btn-{type}, --btn-{type}-hover, --btn-{type}-active) for primary, secondary, tertiary, quaternary, warning, danger, success.
• Neutral tokens: --btn-neutral-bg, --btn-neutral-bg-hover, --btn-neutral-bg-active for light/borderless variants.
• Active vs hover: Active tokens added so active is visually distinct from hover (e.g. color-mix() for darker active).
• Dark mode: Same token names overridden under .theme-alpha.dark for consistent behavior.
• Tailwind: All new tokens exposed in @theme inline as --color-btn-*.

Button component (app/modules/datum-ui/components/button/button.tsx)

• Solid / light / borderless: Use token-based classes (bg-btn-{type}, hover:bg-btn-{type}-hover, active:bg-btn-{type}-active, disabled:bg-btn-{type}/60 or disabled:bg-btn-neutral-bg) with no ad-hoc colors.
• Outline (primary/secondary/tertiary/quaternary): Hover only changes border (e.g. border-btn-*-border/60 → border-btn-*-border); no bg/text change.
• Outline (warning/danger/success): Kept original “fill” behavior (bg + text on hover/active) with proper disabled overrides so disabled + hover does not change background or text.
• Disabled: Every type/theme has explicit disabled styles; disabled state overrides hover so bg/text/border stay stable when hovering a disabled button.

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[cla-assistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}