/* Shared styles for blog posts — extracted from the per-post <style> blocks. */
/* Page-specific rules remain inline in each post and override these. */

:root {
    --bg: #faf7f2; --surface: #ffffff; --ink: #1a1a1a; --muted: #5a5a5a;
    --line: #e7e2d8; --accent: #1f3864; --accent-soft: #eaf0f8;
    --nav-bg: rgba(250, 247, 242, 0.92);
  }
[data-theme="dark"] {
    --bg: #16171a; --surface: #20222a; --ink: #ece8df; --muted: #9a9385;
    --line: #2e3038; --accent: #9bb9ed; --accent-soft: #2a3553;
    --nav-bg: rgba(22, 23, 26, 0.92);
  }
html { color-scheme: light dark; }
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
.container { max-width: 720px; margin: 0 auto; padding: 0 28px; }
header.nav {
    position: sticky; top: 0; z-index: 50;
    background: var(--nav-bg);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--line);
    transition: background 0.2s;
  }
.nav-inner {
    max-width: 960px; margin: 0 auto; padding: 18px 28px;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
  }
.brand {
    font-family: 'Fraunces', serif; font-weight: 500; font-size: 17px; letter-spacing: 0.2px;
    color: var(--ink); text-decoration: none; white-space: nowrap;
  }
.nav-right { display: flex; align-items: center; gap: 10px; }
nav.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
nav.tabs a {
    text-decoration: none; color: var(--muted);
    font-size: 14.5px; font-weight: 500; letter-spacing: 0.3px;
    padding: 8px 12px; border-radius: 999px;
    transition: color 0.15s, background 0.15s;
  }
nav.tabs a:hover { color: var(--ink); }
nav.tabs a.active { color: var(--accent); background: var(--accent-soft); }
.theme-toggle {
    background: transparent; border: 1px solid var(--line);
    color: var(--muted); width: 34px; height: 34px;
    border-radius: 999px;
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer; padding: 0;
    transition: color 0.15s, border-color 0.15s, transform 0.2s;
    flex-shrink: 0;
  }
.theme-toggle:hover { color: var(--ink); border-color: var(--ink); }
.theme-toggle:active { transform: scale(0.94); }
.theme-toggle svg { width: 16px; height: 16px; display: block; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
main { padding: 56px 0 80px; }
.back-link {
    display: inline-block;
    font-size: 14px; color: var(--muted); text-decoration: none;
    margin-bottom: 32px; letter-spacing: 0.3px;
    transition: color 0.15s;
  }
.back-link:hover { color: var(--accent); }
.post ul { padding-left: 22px; margin: 0 0 22px; color: var(--ink); }
.post strong { color: var(--ink); font-weight: 600; }
.post-meta .reading-time { margin-left: 10px; padding-left: 10px; border-left: 1px solid var(--line); }
.read-progress {
    position: fixed; top: 0; left: 0; right: 0;
    height: 3px; background: transparent; z-index: 60;
    pointer-events: none;
  }
.read-progress .bar {
    height: 100%; width: 0%;
    background: var(--accent);
    transition: width 0.05s linear;
  }
.post-tag {
    font-size: 11.5px; color: var(--muted);
    padding: 3px 10px; border: 1px solid var(--line); border-radius: 999px;
    letter-spacing: 0.4px;
    background: var(--bg);
  }
.post-related { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); }
.post-related .label { font-size: 13px; color: var(--muted); letter-spacing: 0.5px; text-transform: uppercase; display: block; margin-bottom: 16px; }
.related-list { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 700px) {
  .related-list { grid-template-columns: 1fr 1fr; }
}
.related-card:hover { border-color: var(--accent); }
.related-card .date { font-size: 12px; color: var(--muted); letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 6px; }
.related-card .title {
    font-family: 'Fraunces', serif; font-weight: 500;
    font-size: 17px; line-height: 1.3; color: var(--ink);
    margin: 0;
  }
.post-share { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); }
.post-share .share-label { font-size: 13px; color: var(--muted); letter-spacing: 0.5px; text-transform: uppercase; display: block; margin-bottom: 12px; }
.share-buttons { display: flex; gap: 10px; flex-wrap: wrap; }
.share-btn:hover { color: var(--accent); border-color: var(--accent); }
.share-btn svg { display: block; }
.post-subscribe {
    margin-top: 56px;
    background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
    padding: 28px 28px 24px;
  }
.post-subscribe h3 { font-family: 'Fraunces', serif; font-size: 22px; font-weight: 500; margin: 0 0 6px; color: var(--ink); }
.post-subscribe form { display: flex; gap: 10px; flex-wrap: wrap; }
.post-subscribe input[type=email] {
    flex: 1; min-width: 200px;
    padding: 12px 14px;
    border: 1px solid var(--line); border-radius: 10px;
    font: inherit; font-size: 15px;
    background: var(--bg); color: var(--ink);
    outline: none;
    transition: border-color 0.15s, background 0.15s;
  }
.post-subscribe input[type=email]:focus { border-color: var(--accent); background: var(--surface); }
.post-subscribe button {
    padding: 12px 20px;
    border: 0; border-radius: 10px;
    background: var(--accent); color: #fff;
    font: inherit; font-size: 15px; font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s;
  }
.post-subscribe button:hover { opacity: 0.92; }
.post-subscribe .msg { font-size: 14px; min-height: 1em; margin-top: 10px; }
.post-subscribe .msg.ok { color: #2d7a43; }
.post-subscribe .msg.err { color: #a83232; }
.post-author {
    margin-top: 48px;
    display: flex; gap: 20px; align-items: flex-start;
    padding: 24px; border: 1px solid var(--line); border-radius: 14px;
    background: var(--surface);
  }
.post-author .photo img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center 30%;
    display: block;
  }
.post-author .text { flex: 1; min-width: 0; }
.post-author .name {
    font-family: 'Fraunces', serif; font-size: 17px; font-weight: 500;
    color: var(--ink); margin-bottom: 4px;
  }
.post-author a {
    font-size: 14px; color: var(--accent); text-decoration: none; font-weight: 500;
  }
.post-author a:hover { text-decoration: underline; }
footer {
    border-top: 1px solid var(--line); padding: 28px 0;
    text-align: center; color: var(--muted); font-size: 13px;
  }
@media (max-width: 600px) {
  .nav-inner { padding: 14px 20px; flex-direction: column; align-items: stretch; gap: 8px; }
  .nav-right { width: 100%; justify-content: space-between; gap: 8px; }
  nav.tabs { flex: 1; flex-wrap: wrap; }
  nav.tabs a { padding: 6px 10px; font-size: 13.5px; }
}
@media print {
  header.nav, footer, .theme-toggle, .post-share, .post-subscribe, .post-author, .post-related, .back-link, .read-progress { display: none !important; }
  main { padding: 0 !important; }
  .container { max-width: 100% !important; padding: 0 !important; }
}
.footer-nav { margin-bottom: 8px; }
.footer-nav a { color: var(--muted); text-decoration: none; margin: 0 7px; }
.footer-nav a:hover { color: var(--accent); }
.discuss-note { font-size: 14px; color: var(--muted); margin: 14px 0 0; }
.discuss-note a { color: var(--accent); text-decoration: none; font-weight: 500; }
.discuss-note a:hover { text-decoration: underline; }