---
import type { Translations } from '@/i18n';

interface Props {
  t: Translations;
  lang: 'en' | 'zh';
  basePath: string;
}

const { t, lang, basePath } = Astro.props;
const altLang = lang === 'en' ? 'zh' : 'en';
const altLabel = lang === 'en' ? '中文' : 'EN';
const altHref = lang === 'en' ? `${basePath}/zh/` : `${basePath}/`;
---

<header class="fixed top-0 left-0 right-0 z-50 border-b border-white/10 bg-[var(--color-bg)]/80 backdrop-blur-md">
  <div class="mx-auto max-w-6xl px-6 flex items-center justify-between h-14">
    <!-- Left: Logo -->
    <a href={lang === 'en' ? `${basePath}/` : `${basePath}/zh/`} class="flex items-center gap-2.5">
      <img src={`${basePath}/logo.png`} alt="ChatCrystal" class="w-7 h-7" />
      <span class="font-semibold text-[var(--color-white)]">ChatCrystal</span>
    </a>

    <!-- Center: Nav links -->
    <nav class="hidden md:flex items-center gap-1">
      <a href="#features" class="px-3 py-2 text-sm text-[var(--color-dim-white)] hover:text-[var(--color-white)] transition-colors">{t.nav.features}</a>
      <a href="#how-it-works" class="px-3 py-2 text-sm text-[var(--color-dim-white)] hover:text-[var(--color-white)] transition-colors">{t.nav.howItWorks}</a>
      <a href="#cli" class="px-3 py-2 text-sm text-[var(--color-dim-white)] hover:text-[var(--color-white)] transition-colors">{t.nav.cli}</a>
    </nav>

    <!-- Right: Actions -->
    <div class="flex items-center gap-3">
      <a href={altHref} class="px-3 py-2 text-sm text-[var(--color-dim-white)] hover:text-[var(--color-white)] transition-colors">
        {altLabel}
      </a>
      <a
        href="https://github.com/ZengLiangYi/ChatCrystal"
        target="_blank"
        rel="noopener"
        class="inline-flex items-center gap-1.5 px-3 py-2 text-sm text-[var(--color-dim-white)] hover:text-[var(--color-white)] transition-colors"
      >
        <svg viewBox="0 0 16 16" fill="currentColor" class="w-4 h-4"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"/></svg>
        {t.nav.github}
      </a>
    </div>
  </div>
</header>
