/* Documentation site — self-contained, no build step, mobile-first. */
:root {
  --brand: #3730d6;
  --brand-700: #2a23b0;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --panel: #ffffff;
  --code-bg: #f1f5f9;
  --sidebar-w: 280px;
  --header-h: 56px;
  --radius: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Header (mobile bar) ------------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.topbar .brand {
  font-weight: 700;
  color: var(--brand);
  font-size: 1.05rem;
  text-decoration: none;
}
.topbar .brand span { color: var(--muted); font-weight: 500; }

/* Always-visible "try now" call to action, pinned to the right of the sticky bar. */
.topbar .cta {
  margin-left: auto;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  white-space: nowrap;
}
.topbar .cta:hover { background: var(--brand-700); }
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  cursor: pointer;
  padding: 0;
}
.menu-toggle svg { width: 22px; height: 22px; stroke: var(--ink); }

/* ---- Layout -------------------------------------------------------------- */
.layout { display: flex; min-height: calc(100vh - var(--header-h)); }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 20px 12px 40px;
  overflow-y: auto;
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
}
.sidebar h2 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin: 18px 12px 6px;
  font-weight: 700;
}
.sidebar nav a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: #334155;
  text-decoration: none;
  font-size: 0.93rem;
  cursor: pointer;
}
.sidebar nav a:hover { background: var(--code-bg); }
.sidebar nav a.active {
  background: #eef2ff;
  color: var(--brand-700);
  font-weight: 600;
}

.content {
  flex: 1;
  min-width: 0;
  padding: 32px 28px 80px;
  max-width: 860px;
  margin: 0 auto;
}

/* ---- Content typography -------------------------------------------------- */
.content h1 {
  font-size: 1.9rem;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}
.content .lead {
  color: var(--muted);
  font-size: 1.08rem;
  margin: 0 0 28px;
}
.content h2 {
  font-size: 1.3rem;
  margin: 36px 0 12px;
  padding-top: 8px;
  letter-spacing: -0.01em;
}
.content h3 { font-size: 1.05rem; margin: 24px 0 8px; }
.content p { margin: 0 0 14px; }
.content ul { margin: 0 0 16px; padding-left: 22px; }
.content li { margin: 4px 0; }
.content strong { color: var(--ink); }
.content code {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 0.88em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.content a { color: var(--brand); }

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}
.tag.single { background: #ecfdf5; color: #047857; }
.tag.multi { background: #eff6ff; color: #1d4ed8; }

.note {
  border-left: 3px solid var(--brand);
  background: #f5f7ff;
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  margin: 16px 0;
  color: #334155;
}

figure {
  margin: 18px 0 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}
figure img { display: block; width: 100%; height: auto; }
figcaption {
  font-size: 0.85rem;
  color: var(--muted);
  padding: 8px 14px;
  border-top: 1px solid var(--line);
  background: #fcfdff;
}
.missing-shot {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  color: var(--muted);
  background: repeating-linear-gradient(45deg, #fafbfc, #fafbfc 12px, #f1f5f9 12px, #f1f5f9 24px);
  font-size: 0.9rem;
  text-align: center;
  padding: 20px;
}

.cards { display: grid; gap: 12px; grid-template-columns: 1fr; margin: 16px 0; }
.card-mini {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--panel);
}
.card-mini h3 { margin: 0 0 4px; font-size: 1rem; }
.card-mini p { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* ---- Backdrop (mobile drawer) ------------------------------------------- */
.backdrop {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 20;
}

/* ---- Responsive ---------------------------------------------------------- */
@media (max-width: 820px) {
  .sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    z-index: 25;
    box-shadow: 2px 0 12px rgba(15, 23, 42, 0.12);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .backdrop { display: block; }
  .content { padding: 22px 16px 64px; }
  .content h1 { font-size: 1.55rem; }
  /* Free up room on phones: drop the "· Documentación" subtitle and the CTA's
     side padding so the hamburger, brand, and "Probar ahora" all fit at 360px. */
  .topbar { gap: 8px; padding: 0 12px; }
  .topbar .brand span { display: none; }
  .topbar .cta { padding: 0 12px; font-size: 0.88rem; }
}

@media (min-width: 821px) {
  .menu-toggle { display: none; }
  .cards { grid-template-columns: 1fr 1fr; }
}