/* developer.dvt.dev — shared portal chrome.
 *
 * Brand tokens sourced from docs/05-business/brand-identity.md (locked hexes —
 * do not approximate; derivations only via color-mix of these tokens).
 * Light chrome by design: the portal is a marketing-adjacent surface and
 * matches dvt.dev, not the app's dark Depth chrome. */

:root {
  --color-brand-indigo:       #4F46E5;
  --color-brand-teal:         #0D9488;
  --color-brand-teal-light:   #2DD4BF;
  --color-brand-mark:         #5BBFBA;
  --color-brand-navy:         #16263A;

  --color-neutral-950: #0A0A0B;
  --color-neutral-900: #18181B;
  --color-neutral-700: #3F3F46;
  --color-neutral-400: #A1A1AA;
  --color-neutral-200: #E4E4E7;
  --color-neutral-50:  #FAFAFA;
  --color-white:       #FFFFFF;

  --font-ui:   Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Mono', 'Cascadia Code', monospace;

  --header-height: 60px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-ui);
  color: var(--color-neutral-900);
  background: var(--color-white);
}

/* ── Header — mirrors the dvt.dev Nav (white blur, navy wordmark) ── */

.portal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-neutral-200);
}

.portal-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-height);
  max-width: 1560px;
  margin: 0 auto;
  padding: 0 24px;
}

.portal-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.portal-logo:hover { opacity: 0.8; }

.portal-logo-suffix {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-brand-teal);
  border: 1px solid color-mix(in srgb, var(--color-brand-teal) 30%, transparent);
  border-radius: 5px;
  padding: 2px 8px;
  letter-spacing: 0.02em;
}

.portal-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
}

.portal-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-neutral-700);
  text-decoration: none;
  transition: color 0.15s ease;
}
.portal-nav a:hover,
.portal-nav a.active { color: var(--color-neutral-900); }
.portal-nav a.active {
  color: var(--color-brand-teal);
}

.portal-actions { flex-shrink: 0; display: flex; align-items: center; gap: 16px; }

.btn-app {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-brand-navy);
  border-radius: 8px;
  padding: 8px 16px;
  text-decoration: none;
  transition: background 0.15s ease;
}
.btn-app:hover { background: color-mix(in srgb, var(--color-brand-navy) 88%, var(--color-brand-teal)); }

/* ── MCP / content pages ── */

.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

.page h1 {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-brand-navy);
  margin: 0 0 12px;
}

.page .lede {
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-neutral-700);
  margin: 0 0 40px;
}

.page h2 {
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--color-neutral-900);
  margin: 44px 0 12px;
}

.page p, .page li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-neutral-700);
}

.page a { color: var(--color-brand-teal); text-decoration: none; }
.page a:hover { text-decoration: underline; }

.page code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--color-neutral-50);
  border: 1px solid var(--color-neutral-200);
  border-radius: 5px;
  padding: 1px 6px;
}

.page pre {
  background: var(--color-neutral-950);
  color: var(--color-neutral-50);
  border-radius: 10px;
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  margin: 16px 0 28px;
}
.page pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.callout {
  border: 1px solid color-mix(in srgb, var(--color-brand-teal) 25%, transparent);
  background: color-mix(in srgb, var(--color-brand-teal) 5%, var(--color-white));
  border-radius: 10px;
  padding: 14px 18px;
  margin: 20px 0 28px;
}
.callout p { margin: 0; font-size: 14px; }

.step-list { padding-left: 20px; margin: 0 0 28px; }
.step-list li { margin-bottom: 10px; }

.portal-footer {
  border-top: 1px solid var(--color-neutral-200);
  padding: 28px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--color-neutral-400);
}
.portal-footer a { color: var(--color-neutral-700); text-decoration: none; }
.portal-footer a:hover { color: var(--color-neutral-900); }