/* Shared enhancements loaded on every page after the page's own styles:
   keyboard focus, small-screen navigation, reduced motion, and the theme toggle.
   Each page defines its own dark colours under html[data-theme="dark"]. */

html[data-theme="dark"] { color-scheme: dark; }

/* ── Keyboard focus ── */
:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}
html[data-theme="dark"] :focus-visible { outline-color: #93c5fd; }

/* ── Skip link ── */
.skip-link {
  position: absolute;
  left: 8px;
  top: -60px;
  z-index: 10000;
  padding: 10px 16px;
  background: #111827;
  color: #fff !important;
  border-radius: 6px;
  font: 600 14px/1.2 system-ui, sans-serif;
  text-decoration: none;
}
.skip-link:focus { top: 8px; }

/* Visually hidden, still read by screen readers */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ── Media never wider than the screen ── */
img, video, canvas, iframe { max-width: 100%; }

/* ── Top navigation: menu labels never break across lines ── */
.nav-links a { white-space: nowrap; }

/* ── Top navigation on narrower screens: one swipeable row instead of wrapping ── */
@media (max-width: 1360px) {
  .nav-links {
    flex: 1 1 auto;
    min-width: 0;
    flex-wrap: nowrap;
    justify-content: flex-start !important;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -webkit-mask-image: linear-gradient(to right, #000 85%, transparent);
            mask-image: linear-gradient(to right, #000 85%, transparent);
    padding-right: 24px;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links li, .nav-links a { flex: 0 0 auto; }
}
@media (min-width: 901px) and (max-width: 1360px) {
  .nav-links a { padding-left: 8px !important; padding-right: 8px !important; letter-spacing: 0.03em !important; }
  .nav-links { -webkit-mask-image: none; mask-image: none; padding-right: 0; }
}

/* ── Theme toggle ── */
.theme-toggle {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 9999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: #ffffff;
  color: #1f2937;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  transition: background 0.2s, color 0.2s, transform 0.15s;
  padding: 0;
}
.theme-toggle:hover { transform: translateY(-1px); }
.theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle {
  background: #1f2937;
  color: #fbbf24;
  border-color: rgba(255, 255, 255, 0.15);
}
html[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

@media print {
  .theme-toggle, .skip-link { display: none !important; }
}

/* ── Respect reduced-motion preference ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Sidebar search boxes already show their own icon */
#sidebar-search::-webkit-search-cancel-button { -webkit-appearance: none; display: none; }

/* Redacted details: the real value has been replaced with a placeholder, blurred for display */
.redacted {
  filter: blur(4px);
  user-select: none;
  cursor: help;
  border-radius: 3px;
}

/* Current page in the top menu */
.nav-links a[aria-current="page"] { color: #fff !important; background: rgba(255, 255, 255, 0.12); }

/* Slim site menu for the résumé and cover letter (hidden when printing) */
.site-topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: 52px;
  background: #111827;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-family: 'Inter', system-ui, sans-serif;
}
.site-topnav .site-topnav-name { color: #fff; font-weight: 700; text-decoration: none; white-space: nowrap; }
.site-topnav .nav-links { display: flex; gap: 2px; list-style: none; margin: 0 0 0 auto; padding: 0; min-width: 0; }
.site-topnav .nav-links a {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
}
.site-topnav .nav-links a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
@media (max-width: 900px) { .site-topnav { padding: 0 12px; gap: 10px; } }
@media print { .site-topnav { display: none !important; } }

/* Site logo badge in page top bars */
#topbar .site-badge {
  display: inline-flex;
  flex-shrink: 0;
  border-radius: 9px;
  line-height: 0;
}
#topbar .site-badge img { width: 34px; height: 34px; border-radius: 9px; box-shadow: 0 0 0 1px rgba(255,255,255,0.18); }
#topbar .site-badge:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }