/* Mailstorm Docs — shared styles. Inlined design tokens match
   landing.html so cross-navigation feels seamless. */

:root {
  --bg-root: #07070a; --bg-surface: #0e0e12; --bg-raised: #141418;
  --accent: #f97316; --accent-hover: #fb923c;
  --accent-glow: rgba(249,115,22,.15); --accent-border: rgba(249,115,22,.25);
  --shadow-glow: 0 0 20px var(--accent-glow);
  --text-primary: #f0f0f0; --text-secondary: #a0a0a8; --text-tertiary: #606068;
  --text-inverse: #07070a;
  --border-subtle: #1e1e24; --border-default: #28282f; --border-strong: #3a3a42;
  --green: #22c55e; --yellow: #eab308; --red: #ef4444; --blue: #60a5fa;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 6px; --radius-md: 8px; --radius-lg: 12px; --radius-full: 9999px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); font-size: 15px; line-height: 1.65; background: var(--bg-root); color: var(--text-primary); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

.grid-bg { position: fixed; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 60px 60px; pointer-events: none; z-index: 0; }

/* Top nav (matches landing) */
nav.top-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(7,7,10,.85); backdrop-filter: blur(12px) saturate(1.4); border-bottom: 1px solid var(--border-subtle); }
.nav-inner { max-width: 1280px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: .75rem 1.5rem; gap: 1rem; }
.nav-brand { font-size: 1.05rem; font-weight: 800; color: var(--text-primary); display: flex; align-items: center; gap: .5rem; letter-spacing: -.02em; }
.bolt-svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-links a { color: var(--text-secondary); font-size: .85rem; font-weight: 500; }
.nav-links a:hover { color: var(--text-primary); text-decoration: none; }
.nav-links a.active { color: var(--text-primary); }
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .5rem 1rem; border-radius: var(--radius-md); font-weight: 600; font-size: .85rem; border: none; cursor: pointer; transition: all .15s ease; font-family: inherit; text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--text-inverse); box-shadow: var(--shadow-glow); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); color: var(--text-inverse); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-raised); text-decoration: none; }

/* Docs layout: fixed sidebar + scrolling content */
.docs-layout { display: grid; grid-template-columns: 260px 1fr; max-width: 1280px; margin: 0 auto; min-height: 100vh; padding-top: 56px; position: relative; z-index: 2; }
@media (max-width: 900px) { .docs-layout { grid-template-columns: 1fr; } .sidebar { display: none; } }

.sidebar { padding: 2rem 1rem 2rem 1.5rem; border-right: 1px solid var(--border-subtle); position: sticky; top: 56px; align-self: start; max-height: calc(100vh - 56px); overflow-y: auto; }
.sidebar-section { margin-bottom: 1.75rem; }
.sidebar-title { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--text-tertiary); padding: 0 .75rem; margin-bottom: .5rem; }
.sidebar a { display: block; padding: .35rem .75rem; font-size: .88rem; color: var(--text-secondary); border-radius: var(--radius-sm); }
.sidebar a:hover { background: var(--bg-raised); color: var(--text-primary); text-decoration: none; }
.sidebar a.active { background: var(--accent-glow); color: var(--accent); font-weight: 600; }

main.content { padding: 2.5rem 3rem 5rem; min-width: 0; max-width: 860px; }
@media (max-width: 900px) { main.content { padding: 2rem 1.5rem 4rem; } }

main h1 { font-size: 2.4rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; margin-bottom: 1rem; }
main h2 { font-size: 1.4rem; font-weight: 700; letter-spacing: -.02em; margin: 2.5rem 0 1rem; padding-top: 1rem; border-top: 1px solid var(--border-subtle); }
main h2:first-of-type { border-top: 0; padding-top: 0; }
main h3 { font-size: 1.05rem; font-weight: 700; margin: 1.5rem 0 .5rem; }
main p { color: var(--text-secondary); margin-bottom: 1rem; }
main ul, main ol { color: var(--text-secondary); margin: 0 0 1rem 1.4rem; }
main li { margin-bottom: .35rem; }
main strong { color: var(--text-primary); font-weight: 600; }
main code { background: var(--bg-surface); border: 1px solid var(--border-default); padding: .1rem .35rem; border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: .82rem; color: var(--text-primary); }
main .lead { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.6; }

/* Code blocks */
.code-block { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-lg); margin: 1.25rem 0; overflow: hidden; }
.code-header { display: flex; align-items: center; justify-content: space-between; padding: .5rem .85rem; background: var(--bg-raised); border-bottom: 1px solid var(--border-default); font-family: var(--font-mono); font-size: .72rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: .1em; }
.code-block pre { padding: 1rem 1.25rem; overflow-x: auto; font-family: var(--font-mono); font-size: .82rem; line-height: 1.7; color: var(--text-secondary); margin: 0; }
.code-block .copy-btn { background: transparent; border: none; color: var(--text-tertiary); font-family: inherit; font-size: .68rem; cursor: pointer; padding: .15rem .55rem; border-radius: var(--radius-sm); text-transform: uppercase; letter-spacing: .1em; }
.code-block .copy-btn:hover { background: var(--bg-overlay); color: var(--text-primary); }
.tok-keyword { color: #c084fc; }
.tok-string { color: #86efac; }
.tok-fn { color: #fdba74; }
.tok-comment { color: var(--text-tertiary); font-style: italic; }
.tok-prop { color: #93c5fd; }

/* Cards (used on docs index) */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.doc-card { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-lg); padding: 1.25rem; transition: all .15s ease; display: block; color: var(--text-primary); text-decoration: none; }
.doc-card:hover { border-color: var(--accent-border); transform: translateY(-2px); text-decoration: none; }
.doc-card h3 { font-size: .98rem; font-weight: 700; margin-bottom: .35rem; color: var(--text-primary); }
.doc-card p { color: var(--text-secondary); font-size: .85rem; margin: 0; }
.doc-card .badge { font-family: var(--font-mono); font-size: .7rem; color: var(--accent); background: var(--accent-glow); padding: .15rem .5rem; border-radius: var(--radius-full); display: inline-block; margin-bottom: .5rem; }

/* Callouts */
.callout { background: var(--bg-surface); border-left: 3px solid var(--accent); border-radius: var(--radius-md); padding: 1rem 1.25rem; margin: 1.25rem 0; }
.callout.info { border-left-color: var(--blue); }
.callout.warn { border-left-color: var(--yellow); }
.callout.danger { border-left-color: var(--red); }
.callout.tip { border-left-color: var(--green); }
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--text-primary); }

/* Tables */
main table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .9rem; }
main table th, main table td { padding: .65rem .85rem; text-align: left; border-bottom: 1px solid var(--border-subtle); }
main table th { font-weight: 700; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-tertiary); }
main table td { color: var(--text-secondary); }
main table td code { font-size: .78rem; }

/* Tab switcher (used in quickstarts) */
.tab-switcher { display: flex; gap: 4px; border-bottom: 1px solid var(--border-default); margin-bottom: 1rem; flex-wrap: wrap; }
.tab-switcher button { background: transparent; border: none; color: var(--text-tertiary); font-family: inherit; font-weight: 500; font-size: .82rem; padding: .5rem .85rem; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab-switcher button.active { color: var(--text-primary); border-bottom-color: var(--accent); }
.tab-switcher button:hover { color: var(--text-primary); }

/* Inline diff blocks */
.diff { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: .85rem 1rem; font-family: var(--font-mono); font-size: .82rem; line-height: 1.85; margin: 1rem 0; }
.diff .minus { display: block; padding: 0 .5rem; background: rgba(239,68,68,.08); color: #fca5a5; border-radius: var(--radius-sm); }
.diff .minus::before { content: "- "; color: var(--red); font-weight: 700; }
.diff .plus { display: block; padding: 0 .5rem; background: rgba(34,197,94,.08); color: #86efac; border-radius: var(--radius-sm); }
.diff .plus::before { content: "+ "; color: var(--green); font-weight: 700; }

/* Footer */
footer { padding: 2rem 1.5rem; border-top: 1px solid var(--border-subtle); background: var(--bg-surface); margin-top: 4rem; }
.footer-bottom { max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: .78rem; color: var(--text-tertiary); }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { font-size: .78rem; color: var(--text-tertiary); }
.footer-links a:hover { color: var(--text-primary); text-decoration: none; }