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li[data-astro-cid-hdks2vf4]:last-child{border-bottom:none}.troubleshooting-section[data-astro-cid-hdks2vf4] h2[data-astro-cid-hdks2vf4]{color:var(--accent-orange);margin-bottom:1rem}.problem-box[data-astro-cid-hdks2vf4]{background:var(--bg-card);border:1px solid var(--border-color);border-left:3px solid var(--accent-orange);border-radius:0 8px 8px 0;padding:1rem;margin-bottom:1rem}.problem-box[data-astro-cid-hdks2vf4] h4[data-astro-cid-hdks2vf4]{color:var(--accent-orange);margin:0 0 .5rem;font-size:.95rem}.problem-box[data-astro-cid-hdks2vf4] p[data-astro-cid-hdks2vf4]{color:var(--text-secondary);font-size:.9rem;margin:0;line-height:1.5}.concepts-section[data-astro-cid-hdks2vf4]{margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.concepts-section[data-astro-cid-hdks2vf4] h2[data-astro-cid-hdks2vf4]{color:var(--accent-magenta);margin-bottom:1rem}.concept-grid[data-astro-cid-hdks2vf4]{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.concept-card[data-astro-cid-hdks2vf4]{background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;padding:1rem}.concept-card[data-astro-cid-hdks2vf4] h4[data-astro-cid-hdks2vf4]{color:var(--accent-cyan);margin:0 0 .5rem;font-size:.95rem}.concept-card[data-astro-cid-hdks2vf4] p[data-astro-cid-hdks2vf4]{color:var(--text-secondary);font-size:.85rem;line-height:1.5;margin:0}.concept-card[data-astro-cid-hdks2vf4] ul[data-astro-cid-hdks2vf4]{margin:.5rem 0 0;padding-left:1.25rem;color:var(--text-secondary);font-size:.85rem}.concept-card[data-astro-cid-hdks2vf4] ul[data-astro-cid-hdks2vf4] li[data-astro-cid-hdks2vf4]{margin-bottom:.25rem}.milestones-section[data-astro-cid-hdks2vf4]{margin-bottom:2rem}.milestones-section[data-astro-cid-hdks2vf4] h2[data-astro-cid-hdks2vf4]{color:var(--accent-cyan);margin-bottom:.5rem}.milestone-intro[data-astro-cid-hdks2vf4]{color:var(--text-secondary);margin-bottom:1rem}.milestone-grid[data-astro-cid-hdks2vf4]{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin-bottom:1rem}.milestone-card[data-astro-cid-hdks2vf4]{background:var(--bg-card);border:1px solid var(--border-color);border-top:3px solid var(--accent-green);border-radius:0 0 8px 8px;padding:1rem}.milestone-card[data-astro-cid-hdks2vf4] h4[data-astro-cid-hdks2vf4]{color:var(--accent-green);margin:0 0 .75rem;font-size:.95rem}.milestone-card[data-astro-cid-hdks2vf4] ul[data-astro-cid-hdks2vf4]{margin:0;padding-left:1.25rem;color:var(--text-secondary);font-size:.85rem}.milestone-card[data-astro-cid-hdks2vf4] ul[data-astro-cid-hdks2vf4] li[data-astro-cid-hdks2vf4]{margin-bottom:.35rem;line-height:1.4}@media(max-width:768px){.concept-grid[data-astro-cid-hdks2vf4],.milestone-grid[data-astro-cid-hdks2vf4]{grid-template-columns:1fr}}