.content[data-astro-cid-u3r5nmep]{flex:1;overflow-y:auto;overflow-x:hidden}.content-inner[data-astro-cid-u3r5nmep]{max-width:960px;margin:0 auto;padding:0 40px 80px}.page-header[data-astro-cid-u3r5nmep]{padding:48px 0;font-family:Newsreader,Georgia,serif;font-size:32px;font-weight:400;color:var(--text)}.page-header[data-astro-cid-u3r5nmep] p[data-astro-cid-u3r5nmep]{font-size:16px;color:var(--text-secondary);font-family:Inter,sans-serif;font-weight:400;margin-top:10px;letter-spacing:0}.shelf-section[data-astro-cid-u3r5nmep]{margin-bottom:64px}.shelf-label[data-astro-cid-u3r5nmep]{font-family:Inter,sans-serif;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:28px;padding-bottom:12px;border-bottom:1px solid var(--border)}.books-shelf[data-astro-cid-u3r5nmep]{display:flex;gap:24px;flex-wrap:wrap;align-items:flex-end}.book-spine[data-astro-cid-u3r5nmep]{width:180px;min-height:240px;background:var(--subject-bg);border:1px solid var(--border);border-radius:3px 6px 6px 3px;padding:24px 16px;display:flex;flex-direction:column;justify-content:space-between;text-decoration:none;box-shadow:-3px 0 8px #00000026,var(--subject-shadow);transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}.book-spine[data-astro-cid-u3r5nmep]:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--accent);opacity:.8}.book-spine[data-astro-cid-u3r5nmep]:hover{transform:translateY(-6px);box-shadow:-3px 6px 20px #00000040,var(--subject-shadow-hover)}.book-title[data-astro-cid-u3r5nmep]{font-family:Newsreader,Georgia,serif;font-size:16px;font-weight:400;color:var(--text);line-height:1.4;writing-mode:vertical-rl;text-orientation:mixed;transform:rotate(180deg);flex:1}.book-progress[data-astro-cid-u3r5nmep]{margin-top:12px;width:100%;height:3px;background:var(--border);border-radius:2px}.book-progress-fill[data-astro-cid-u3r5nmep]{height:100%;border-radius:2px;background:var(--accent)}.book-cover[data-astro-cid-u3r5nmep]{width:140px;height:200px;border-radius:3px 6px 6px 3px;text-decoration:none;position:relative;overflow:hidden;box-shadow:-3px 0 8px #0003,var(--subject-shadow);transition:transform .2s,box-shadow .2s}.book-cover[data-astro-cid-u3r5nmep]:hover{transform:translateY(-6px);box-shadow:-3px 6px 20px #0000004d,var(--subject-shadow-hover)}.book-spine--locked[data-astro-cid-u3r5nmep],.book-cover--locked[data-astro-cid-u3r5nmep]{opacity:.5;cursor:default;pointer-events:none}.book-spine--locked[data-astro-cid-u3r5nmep]:hover,.book-cover--locked[data-astro-cid-u3r5nmep]:hover{transform:none;box-shadow:-3px 0 8px #00000026,var(--subject-shadow)}.book-locked-badge[data-astro-cid-u3r5nmep]{font-family:Inter,sans-serif;font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:8px;display:block}.book-cover[data-astro-cid-u3r5nmep] img[data-astro-cid-u3r5nmep]{width:100%;height:100%;object-fit:cover;display:block}.book-cover-title[data-astro-cid-u3r5nmep]{position:absolute;bottom:0;left:0;right:0;padding:24px 10px 10px;background:linear-gradient(to top,rgba(0,0,0,.75) 0%,transparent 100%);font-family:Newsreader,Georgia,serif;font-size:13px;font-weight:400;color:#fff;line-height:1.3}.cheatsheets-shelf[data-astro-cid-u3r5nmep]{display:flex;flex-direction:column;gap:12px}.cheatsheet-card[data-astro-cid-u3r5nmep]{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--subject-bg);border:1px solid var(--border);border-radius:6px;text-decoration:none;border-left:3px solid var(--accent);transition:box-shadow .2s}.cheatsheet-card[data-astro-cid-u3r5nmep]:hover{box-shadow:var(--subject-shadow-hover)}.cheatsheet-title[data-astro-cid-u3r5nmep]{font-family:Inter,sans-serif;font-size:15px;font-weight:500;color:var(--text)}.cheatsheet-meta[data-astro-cid-u3r5nmep]{font-family:Inter,sans-serif;font-size:12px;color:var(--muted)}.kits-shelf[data-astro-cid-u3r5nmep]{display:flex;gap:16px;flex-wrap:wrap}.kit-card[data-astro-cid-u3r5nmep]{padding:20px 24px;min-width:220px;background:var(--subject-bg);border:1px solid var(--border);border-radius:8px;text-decoration:none;border-top:3px solid var(--accent);transition:box-shadow .2s}.kit-card[data-astro-cid-u3r5nmep]:hover{box-shadow:var(--subject-shadow-hover)}.kit-title[data-astro-cid-u3r5nmep]{font-family:Inter,sans-serif;font-size:15px;font-weight:500;color:var(--text);margin-bottom:6px}.kit-desc[data-astro-cid-u3r5nmep]{font-size:13px;color:var(--text-secondary);font-family:Inter,sans-serif;line-height:1.5}.empty-shelf[data-astro-cid-u3r5nmep]{font-family:Inter,sans-serif;font-size:13px;color:var(--muted);font-style:italic}@media(max-width:768px){.content-inner[data-astro-cid-u3r5nmep]{padding:0 24px 60px}}