/* ═══════════════════════════════════════════════
   shared.css — Common styles for all SnapDOM docs
   "Capture instrument" design system
   System fonts: Arial/Helvetica everywhere
   Paper #F7F9FC · Ink #0F1E4D · Electric #2D5BFF
   ═══════════════════════════════════════════════ */

/* ── GitHub badge ── */
.github-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text, var(--sd-text, #0F1E4D));
  font-weight: 700;
  font-size: 11.5px;
  background: var(--surface, var(--sd-surface, #FFFFFF));
  padding: 8px 14px;
  border-radius: 0;
  border: 1px solid var(--border-soft, var(--sd-border-soft, rgba(15,30,77,0.3)));
  font-family: var(--font-mono, Arial, Helvetica, sans-serif);
  letter-spacing: 0.3px;
  transition: border-color 0.15s;
}
.github-badge:hover {
  border-color: var(--border, var(--sd-border, #0F1E4D));
  color: var(--text, var(--sd-text, #0F1E4D));
}
.github-stars {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 700;
  color: var(--text, var(--sd-text, #0F1E4D));
  font-size: 11.5px;
  border-left: 1px solid var(--border-soft, var(--sd-border-soft, rgba(15,30,77,0.2)));
  padding-left: 10px;
}
.github-stars svg { color: #F5A623; font-size: 11px; }

/* ── Site header ── */
.site-shell {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  color: #0F1E4D;
  background: rgba(247,249,252,0.94);
  border-bottom: 1px solid rgba(15,30,77,0.14);
  backdrop-filter: blur(12px);
  font-family: Arial, Helvetica, sans-serif;
}
.site-shell-main {
  width: min(1180px, calc(100% - 48px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}
.site-shell-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  color: #0F1E4D;
  font-size: 24px;
  text-decoration: none;
}
.site-shell-mark {
  width: 46px;
  height: 54px;
  flex: 0 0 auto;
  background: url('./assets/mr-snapdom-wave.png') center / contain no-repeat;
  mix-blend-mode: multiply;
}
.site-shell-links { display: flex; align-items: center; gap: 16px; }
.site-shell-links a, .site-shell-mobile a {
  color: #59647D;
  font-size: 13px;
  font-weight: 400;
  text-decoration: none;
}
.site-shell-links a:hover, .site-shell-links a[aria-current='page'], .site-shell-mobile a:hover, .site-shell-mobile a[aria-current='page'] { color: #2D5BFF; }
.site-shell-github {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 0 12px;
  color: #0F1E4D;
  background: #FFFFFF;
  border: 1px solid rgba(15,30,77,0.3);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}
.site-shell-github:hover { color: #2D5BFF; border-color: #2D5BFF; }
.site-shell-stars { padding-left: 10px; border-left: 1px solid rgba(15,30,77,0.18); }
.site-shell-stars::first-letter { color: #F5A623; }
.site-shell-mobile { display: none; }
.site-shell + .hero > .github-badge { display: none; }

/* Content-page heroes keep their own content, but share the home page hierarchy. */
body > .site-shell + .hero {
  width: min(1180px, calc(100% - 48px));
  max-width: none;
  margin: 0 auto;
  padding: 76px 0 44px;
  text-align: left;
}
body > .site-shell + .hero h1 {
  max-width: 880px;
  margin-left: 0;
  margin-right: 0;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.045em;
  text-align: left;
}
body > .site-shell + .hero p,
body > .site-shell + .hero p.lead {
  max-width: 680px;
  margin-left: 0;
  margin-right: 0;
  text-align: left;
}
body > .site-shell + .hero .hero-actions { justify-content: flex-start; }
body > .site-shell + .hero .hero-badge {
  display: block;
  width: auto;
  margin: 0 0 18px;
  padding: 0;
  color: #2D5BFF;
  background: transparent;
  border: 0;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.site-shell ~ * .btn { border-radius: 0; }

/* Keyboard focus is part of the capture-instrument language: visible and exact. */
:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid var(--accent, var(--sd-accent, #2D5BFF));
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .site-shell-links { display: none; }
  .site-shell-mobile { display: flex; overflow-x: auto; border-top: 1px solid rgba(15,30,77,0.14); scrollbar-width: none; }
  .site-shell-mobile::-webkit-scrollbar { display: none; }
  .site-shell-mobile-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; display: flex; }
  .site-shell-mobile a { flex: 1 0 auto; padding: 11px 14px; text-align: center; font-size: 12px; font-weight: 700; }
}

@media (max-width: 600px) {
  .site-shell-main { width: calc(100% - 28px); min-height: 62px; }
  .site-shell-brand { font-size: 21px; }
  .site-shell-github > span:first-child { display: none; }
  .site-shell-stars { padding-left: 0; border-left: 0; }
  .site-shell-mobile-inner { width: calc(100% - 28px); margin: 0 auto; display: flex; }
  body > .site-shell + .hero { width: calc(100% - 28px); padding: 52px 0 34px; }
}