:root { --ink:#172033; --muted:#64748b; --line:#d8dee9; --soft:#f7f8fb; --brand:#0f766e; }
* { box-sizing:border-box; }
body { margin:0; font-family:Arial, Helvetica, sans-serif; color:var(--ink); background:#eef2f7; line-height:1.5; }
.paper { width:min(1000px, 100%); margin:0 auto; background:#fff; min-height:100vh; padding:40px 52px; }
.cover { border-bottom:4px solid var(--brand); margin-bottom:28px; padding-bottom:28px; }
.eyebrow { color:var(--brand); text-transform:uppercase; letter-spacing:.08em; font-size:13px; font-weight:700; }
h1 { margin:0; font-size:42px; }
h2 { margin:34px 0 14px; font-size:25px; }
h3 { margin:26px 0 10px; padding-top:16px; border-top:1px solid var(--line); font-size:18px; }
h4 { margin:0 0 8px; }
.note, .small { color:var(--muted); }
.grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:10px; }
.grid div, .box, .reading, .writing, .photo, .audio-placeholder { border:1px solid var(--line); border-radius:8px; padding:14px; background:var(--soft); break-inside:avoid; }
.grid strong, .grid span { display:block; }
.grid span { color:var(--muted); font-size:13px; }
.item { margin:14px 0 18px; break-inside:avoid; }
.options { list-style:none; margin:8px 0 0; padding:0; display:grid; gap:4px; }
.options li span { display:inline-block; width:24px; font-weight:700; }
.rf { display:flex; gap:24px; color:var(--muted); margin:8px 0; }
.rf span::before { content:'○ '; color:#111827; }
.ads, .cols { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.ads article { border:1px solid var(--line); border-radius:8px; padding:12px; break-inside:avoid; }
.reader-letters h4 { text-align:center; letter-spacing:.08em; margin-bottom:14px; }
.reader-letters .item { margin:12px 0 16px; }
.directory { width:100%; border-collapse:collapse; margin:10px 0 18px; }
.directory th, .directory td, .solutions td { border:1px solid var(--line); padding:10px; vertical-align:top; }
.directory th { width:110px; background:var(--soft); }
.letters { columns:2; list-style:none; padding:0; }
.chips { display:flex; gap:8px; flex-wrap:wrap; padding:0; list-style:none; }
.chips li { border:1px solid var(--line); border-radius:999px; padding:6px 12px; background:var(--soft); }
.solutions table { border-collapse:collapse; width:100%; }
.solutions td:first-child { width:80px; font-weight:700; background:var(--soft); }
.transcripts article { border-top:1px solid var(--line); padding:10px 0; }
.transcripts p { white-space:pre-line; }
@media print { body { background:#fff; } .paper { width:100%; padding:18mm; } .solutions, .transcripts { break-before:page; } }
@media (max-width:720px) { .paper { padding:24px 18px; } .grid, .ads, .cols { grid-template-columns:1fr; } .letters { columns:1; } }