.ref-list { max-width: 1000px; margin: 0 auto; display: grid; gap: 24px; }
.ref-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 24px 28px; scroll-margin-top: calc(var(--header-h) + 16px); }
.ref-header { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; border-bottom: 2px solid var(--primary); padding-bottom: 10px; }
.ref-header h2 { margin: 0; flex: 1; color: var(--primary); }
:root[data-theme="dark"] .ref-header h2 { color: var(--text); }
.ref-card h4 { margin: 18px 0 4px; text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.8rem; color: var(--text-muted); }
.ref-terms td:first-child { width: 220px; }
.formula { margin: 6px 0; }
.formula span { color: var(--text-muted); margin-right: 8px; }
.formula code { font-family: ui-monospace, Consolas, monospace; font-size: 1.05rem; padding: 2px 8px; background: var(--bg); border-radius: 4px; }