/**
 * styles/main.css — ChosenPickz supplemental layout styles
 *
 * This file extends the base styles in /styles.css with additional layout
 * utilities and page-specific foundations. It is loaded after styles.css on
 * all inner pages (news, analysis, pick, about).
 *
 * Future additions: card grids, data tables, chart wrappers, skeleton loaders,
 * sport-specific accent overrides.
 */

/* ── Page transition fade-in ── */
body {
  animation: pageFadeIn 0.25s ease forwards;
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Utility: visually hidden (for screen readers) ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Scrollable horizontal wrapper ── */
.scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── Data skeleton loader (placeholder while fetching) ── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface2) 25%,
    var(--surface3) 50%,
    var(--surface2) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 6px;
  color: transparent;
  user-select: none;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Two-column layout for side-by-side sections ── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 700px) {
  .two-col { grid-template-columns: 1fr; }
}

/* ── Section separator ── */
.section-divider {
  border: none;
  border-top: 1px solid var(--surface2);
  margin: 2rem 0;
}

/* ── Inline code styling ── */
code {
  background: var(--surface2);
  border: 1px solid var(--surface3);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  font-size: 0.85em;
  font-family: 'Courier New', Courier, monospace;
  color: var(--gold);
}

/* ── Responsive nav: collapse links on small screens ── */
@media (max-width: 640px) {
  nav {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .nav-links {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .nav-links a {
    font-size: 0.82rem;
    padding: 0.3rem 0.5rem;
  }
}