/* Shared study-notes styles (.notes-wrap / .section-card design).
   Linked by every content/*/notes.html page; was previously an
   identical inline <style> duplicated across ~25 pages. */
:root{--shell:900px}
body{margin:0;background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;color:var(--ink)}
.notes-wrap{max-width:var(--shell);margin:0 auto;padding:28px 20px 60px}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--brand)}
h1{font-size:1.9rem;line-height:1.2;margin:0 0 6px;color:var(--ink);font-family:var(--font-display)}
.subtitle{color:var(--muted);font-size:1rem;margin:0 0 28px}
.section-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px 28px;margin-bottom:22px}
.section-card h2{font-size:1.35rem;line-height:1.25;margin:0 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line);color:var(--brand-text);font-family:var(--font-display)}
.section-card h3{font-size:1.12rem;font-weight:700;margin:20px 0 6px;color:var(--ink);letter-spacing:-.005em}
.section-card p{margin:4px 0 10px;line-height:1.65}
.section-card ul,.section-card ol{margin:4px 0 12px;padding-left:20px}
.section-card li{margin:3px 0;line-height:1.6}
.acronym-box{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:14px 18px;margin:16px 0;font-size:.95rem;box-shadow:var(--shadow-sm)}
.acronym-box strong{color:var(--brand-text);font-size:1rem;display:block;margin-bottom:6px}
.highlight-note{background:#fbf4e7;border:1px solid rgba(140,106,43,.3);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:14px 16px;margin:14px 0;font-size:.92rem}
.highlight-note>strong:first-child{color:var(--brand-text)}
.highlight-note .tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.5px;color:#fff;background:var(--brand);border-radius:4px;padding:1px 7px;margin-right:8px;vertical-align:middle}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:.9rem}
th{background:var(--brand);color:#fff;padding:8px 12px;text-align:left}
td{border:1px solid var(--line);padding:8px 12px;vertical-align:top}
tr:nth-child(even) td{background:rgba(0,0,0,.03)}
.site-footer{padding:24px 20px;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:.85rem}
.section-card h2 .mod{font-size:.72rem;font-weight:600;color:var(--muted);letter-spacing:.5px;margin-left:8px}
.grace-hack{background:rgba(140,106,43,.12);border:1px solid var(--brand);border-radius:10px;padding:12px 16px;margin:12px 0;font-size:.92rem;font-style:italic}