/* Teaching guide page */
html { scroll-padding-top: 90px; }
.guide { max-width: 860px; margin: 0 auto; padding: 48px 20px 90px; }
.guide .doctitle { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 18px;
  background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.guide > p { margin-bottom: 4px; color: var(--muted); }
.guide > p strong { color: var(--text); }
.guide .toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 8px; }
.guide .toc a { padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px; font-size: .85rem; font-weight: 600; background: var(--surface); }
.guide .toc a:hover { border-color: var(--accent); }
.guide h2 { font-size: 1.5rem; margin: 44px 0 12px; letter-spacing: -0.01em; }
.guide .weekh { font-size: clamp(1.7rem, 4vw, 2.3rem); margin: 64px 0 10px; padding-top: 34px; border-top: 1px solid var(--border); letter-spacing: -0.02em; }
.guide .weekh + p { color: var(--muted); margin-bottom: 20px; }
.guide .weekh + p strong { color: var(--text); }
.tday { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 22px 24px; margin: 16px 0; }
.tday h3 { font-size: 1.2rem; margin-bottom: 10px; }
.tday ul { padding-left: 20px; display: grid; gap: 8px; }
.tday li { color: #d4d0ee; }
.tday li strong { color: var(--text); }
.daylinks { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; }
.daylinks a { padding: 4px 12px; border: 1px solid var(--border); border-radius: 999px; font-size: .78rem; color: var(--accent); font-weight: 600; }
.daylinks a:hover { border-color: var(--accent); }
.guide p { margin: 8px 0; }
.guide ul, .guide ol { padding-left: 22px; margin: 8px 0; }
.guide li { margin: 4px 0; }
.guide table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: .92rem; }
.guide th { text-align: left; padding: 8px 12px; background: #1b1733; border: 1px solid var(--border); }
.guide td { padding: 8px 12px; border: 1px solid var(--border); vertical-align: top; color: #d4d0ee; }
.guide code { font-family: var(--mono); font-size: .86em; background: var(--surface-2); padding: 2px 6px; border-radius: 6px; color: #f3a0c8; }
.guide pre { background: #110e1d; border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; margin: 10px 0; }
.guide pre code { background: none; padding: 0; color: var(--text); }
.guide code, .guide pre { font-variant-ligatures: none; }
.guide blockquote { margin: 14px 0; padding: 12px 16px; border-left: 4px solid #E39A5A; background: #1a1526; border-radius: 0 10px 10px 0; color: #d4d0ee; }
.guide blockquote p { margin: 0; }
.guide hr { border: 0; border-top: 1px solid var(--border); margin: 28px 0; }
.guide h3:not(.tday h3) { font-size: 1.1rem; margin: 20px 0 8px; }
@media print {
  body { background: #fff; color: #000; }
  .nav, .footer, .toc, .daylinks { display: none; }
  .guide .doctitle { color: #0B3E6F; background: none; }
  .tday { border-color: #bbb; background: #fff; break-inside: avoid; }
  .tday li, .guide td { color: #000; } .guide code { background: #eee; color: #000; }
  .guide pre { background: #f3f3f3; } .guide pre code { color: #000; }
  .guide th { background: #0B3E6F; color: #fff; }
}
@media (max-width: 600px) { .tday { padding: 18px 16px; } .nav-links { flex-wrap: wrap; font-size: .85rem; } }