/**
 * MikeShareAI — Site Chrome (header, footer, content frame)
 * Loaded on every non-homepage view so posts/pages/archives match the homepage.
 * Uses the shared cool-indigo tokens from tokens.css.
 */

.msa-wrap { max-width: var(--maxw-full); margin: 0 auto; padding: 0 22px; }
img { max-width: 100%; height: auto; }

/* ---------------- HEADER ---------------- */
.msa-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--c-bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.msa-header.scrolled {
  border-color: var(--c-border);
  box-shadow: 0 6px 20px -18px rgba(20, 22, 28, .5);
}
.msa-bar { display: flex; align-items: center; gap: 18px; height: 66px; }
.msa-brand { display: inline-flex; align-items: center; }
.msa-brand img { height: 32px; width: auto; display: block; }
.msa-nav { display: flex; gap: 22px; margin-left: 6px; }
.msa-nav a {
  font-family: var(--font-sans); font-size: 14.5px; font-weight: 550;
  color: var(--c-muted); text-decoration: none; padding: 6px 0;
}
.msa-nav a:hover, .msa-nav a[aria-current] { color: var(--c-text); }
.msa-search {
  margin-left: auto; display: flex; align-items: center; gap: 9px;
  background: var(--c-surface-elevated); border: 1px solid var(--c-border);
  border-radius: 999px; padding: 8px 8px 8px 14px; min-width: 230px;
}
.msa-search svg { color: var(--c-muted-light); flex: none; }
.msa-search input {
  border: 0; background: transparent; color: var(--c-text);
  font-family: var(--font-sans); font-size: 14px; width: 100%; outline: none;
}
.msa-search .go {
  background: var(--c-accent); color: var(--c-accent-ink); border: 0;
  border-radius: 999px; padding: 7px 13px; font-size: 13px; font-weight: 600;
  cursor: pointer; font-family: var(--font-sans);
}
.msa-menu-btn {
  display: none; margin-left: auto; background: var(--c-surface-elevated);
  border: 1px solid var(--c-border); border-radius: 12px; width: 42px; height: 42px;
  cursor: pointer; color: var(--c-text); font-size: 18px;
}

/* ---------------- CONTENT FRAME ---------------- */
.msa-main { min-height: 50vh; }
.msa-article { padding: 40px 0 56px; }
.msa-article-head { max-width: var(--maxw-prose); margin: 0 auto 26px; }
.msa-eyebrow {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--c-accent); font-weight: 600;
  text-decoration: none;
}
.msa-title {
  font-family: var(--font-sans); font-weight: 800; letter-spacing: -.03em;
  line-height: 1.06; margin: 14px 0 0; color: var(--c-text);
  font-size: clamp(30px, 4.4vw, 46px); text-wrap: balance;
}
.msa-meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 16px; color: var(--c-muted); font-size: 14px;
}
.msa-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--c-muted-light); }
.msa-feat { max-width: var(--maxw-wide); margin: 0 auto 30px; }
.msa-feat img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.msa-content { max-width: var(--maxw-prose); margin: 0 auto; }

/* Listing (index/archive/search) */
.msa-listing { padding: 40px 0 56px; }
.msa-listing-head { margin-bottom: 26px; }
.msa-listing-head h1 {
  font-family: var(--font-sans); font-weight: 800; letter-spacing: -.03em;
  font-size: clamp(26px, 3.4vw, 38px); color: var(--c-text); margin: 6px 0 0;
}
.msa-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.msa-card {
  background: var(--c-surface-elevated); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .14s, box-shadow .14s; display: flex; flex-direction: column;
}
.msa-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.msa-card a { text-decoration: none; color: inherit; display: flex; flex-direction: column; height: 100%; }
.msa-card .thumb { aspect-ratio: 16/9; background: var(--c-surface); display: block; overflow: hidden; }
.msa-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.msa-card .thumb.placeholder { display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--c-surface), var(--c-surface-hover)); }
.msa-card .thumb.placeholder img { width: 44px; height: 44px; opacity: .55; }
.msa-card .body { display: block; padding: 18px 18px 20px; }
.msa-card h3 {
  font-family: var(--font-sans); font-weight: 750; letter-spacing: -.02em;
  font-size: 18px; line-height: 1.25; margin: 0 0 8px; color: var(--c-text);
}
.msa-card p { margin: 0; color: var(--c-muted); font-size: 14.5px; line-height: 1.5; }
.msa-pagination { display: flex; gap: 10px; justify-content: center; margin-top: 40px; }
.msa-pagination a, .msa-pagination span {
  padding: 9px 15px; border-radius: 999px; border: 1px solid var(--c-border);
  color: var(--c-muted); text-decoration: none; font-size: 14px; font-weight: 600;
}
.msa-pagination a:hover { border-color: var(--c-accent); color: var(--c-accent); }
.msa-pagination .current { background: var(--c-accent); color: var(--c-accent-ink); border-color: transparent; }

/* ---------------- FOOTER ---------------- */
.msa-footer { background: var(--c-footer); color: var(--c-footer-ink); margin-top: 40px; }
.msa-fgrid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; padding: 52px 0 30px; }
.msa-fbrand img { height: 30px; width: auto; display: block; margin-bottom: 14px; }
.msa-fbrand p { color: var(--c-footer-faint); font-size: 14px; max-width: 34ch; line-height: 1.55; margin: 0; }
.msa-fcol h4 {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--c-footer-faint); font-weight: 600; margin: 0 0 14px;
}
.msa-fcol a { display: block; font-size: 14.5px; color: var(--c-footer-ink); padding: 5px 0; text-decoration: none; }
.msa-fcol a:hover { color: #fff; }
.msa-fbar {
  border-top: 1px solid rgba(255, 255, 255, .09); padding: 18px 0 34px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}
.msa-fbar p { margin: 0; font-size: 12.5px; color: var(--c-footer-faint); max-width: 70ch; line-height: 1.5; }
.msa-soc { display: flex; gap: 10px; }
.msa-soc a {
  width: 34px; height: 34px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .14);
  display: flex; align-items: center; justify-content: center; color: var(--c-footer-ink);
}
.msa-soc a:hover { border-color: #fff; color: #fff; }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 900px) {
  .msa-grid { grid-template-columns: 1fr 1fr; }
  .msa-fgrid { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 720px) {
  .msa-nav, .msa-search { display: none; }
  .msa-menu-btn { display: block; }
  .msa-grid { grid-template-columns: 1fr; }
  .msa-fgrid { grid-template-columns: 1fr; }
}