.course-navigation[data-astro-cid-jbk4gzav]{margin-top:64px;padding:32px 24px 48px;border-top:2px solid #e5e5e5;background:#fafafa;border-radius:16px;margin-bottom:32px}.nav-buttons[data-astro-cid-jbk4gzav]{display:grid;grid-template-columns:1fr 1fr;gap:20px}.nav-btn[data-astro-cid-jbk4gzav]{display:flex;flex-direction:column;gap:10px;padding:24px 28px;background:#fff;border:2px solid #e5e5e5;border-radius:14px;text-decoration:none;transition:all .2s;box-shadow:0 2px 8px #0000000a}.nav-btn[data-astro-cid-jbk4gzav]:hover{background:#f8f8f8;border-color:#d1d5db;box-shadow:0 4px 12px #00000014;transform:translateY(-2px)}.nav-btn[data-astro-cid-jbk4gzav].next{text-align:right;align-items:flex-end;border-color:#fcd34d;background:linear-gradient(135deg,#fffbeb,#fef3c7)}.nav-btn[data-astro-cid-jbk4gzav].next:hover{border-color:#f97316;background:linear-gradient(135deg,#fff7ed,#ffedd5)}.nav-btn[data-astro-cid-jbk4gzav].finish{background:linear-gradient(135deg,#ecfdf5,#d1fae5);border-color:#10b981}.nav-btn[data-astro-cid-jbk4gzav].finish:hover{border-color:#059669}.nav-direction[data-astro-cid-jbk4gzav]{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#6b7280;text-transform:uppercase;letter-spacing:.05em}.nav-btn[data-astro-cid-jbk4gzav].next .nav-direction[data-astro-cid-jbk4gzav]{color:#f97316}.nav-btn[data-astro-cid-jbk4gzav].finish .nav-direction[data-astro-cid-jbk4gzav]{color:#059669}.nav-module[data-astro-cid-jbk4gzav]{display:flex;flex-direction:column;gap:4px}.nav-module-number[data-astro-cid-jbk4gzav]{font-size:12px;color:#9ca3af;font-weight:500}.nav-module-title[data-astro-cid-jbk4gzav]{font-size:16px;font-weight:700;color:#1f2937}@media (max-width: 640px){.course-navigation[data-astro-cid-jbk4gzav]{padding:24px 16px 32px;margin-bottom:24px}.nav-buttons[data-astro-cid-jbk4gzav]{grid-template-columns:1fr;gap:16px}.nav-btn[data-astro-cid-jbk4gzav]{padding:20px 24px}.nav-btn[data-astro-cid-jbk4gzav].next{text-align:left;align-items:flex-start}.nav-btn[data-astro-cid-jbk4gzav].next .nav-direction[data-astro-cid-jbk4gzav]{flex-direction:row-reverse}}.course-layout[data-astro-cid-bks3gknv]{display:flex;min-height:100vh;background:#fff}.course-main[data-astro-cid-bks3gknv]{flex:1;margin-left:300px;min-width:0}.course-mobile-header[data-astro-cid-bks3gknv]{display:none;position:sticky;top:0;z-index:40;background:#1a1a1a;border-bottom:1px solid rgba(255,255,255,.1);padding:16px 20px;align-items:center;gap:16px}.menu-toggle[data-astro-cid-bks3gknv]{background:#252525;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:8px;color:#fff;cursor:pointer;transition:all .2s}.menu-toggle[data-astro-cid-bks3gknv]:hover{background:#fc5d1f1a;border-color:#fc5d1f}.mobile-course-title[data-astro-cid-bks3gknv]{font-size:1rem;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-overlay[data-astro-cid-bks3gknv]{display:none;position:fixed;inset:0;background:#00000080;z-index:45;opacity:0;transition:opacity .3s}.sidebar-overlay[data-astro-cid-bks3gknv].visible{opacity:1}.module-header[data-astro-cid-bks3gknv]{background:#f9fafb;border-bottom:1px solid #e5e5e5;padding:48px 48px 40px}.module-meta[data-astro-cid-bks3gknv]{display:flex;align-items:center;gap:12px;margin-bottom:16px}.module-session[data-astro-cid-bks3gknv]{background:#fc5d1f1a;border:1px solid rgba(252,93,31,.3);color:#fc5d1f;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600}.module-session[data-astro-cid-bks3gknv].purple{background:#8b5cf626;border:1px solid rgba(139,92,246,.4);color:#8b5cf6}.module-number[data-astro-cid-bks3gknv]{color:#666;font-size:14px}.module-separator[data-astro-cid-bks3gknv]{color:#ccc}.module-duration[data-astro-cid-bks3gknv]{color:#666;font-size:14px}.module-title[data-astro-cid-bks3gknv]{font-size:clamp(1.75rem,4vw,2.25rem);font-weight:800;color:#1a1a1a;margin:0 0 12px;line-height:1.2}.module-description[data-astro-cid-bks3gknv]{font-size:1.1rem;color:#555;margin:0;line-height:1.5}.course-content[data-astro-cid-bks3gknv]{max-width:900px;margin:0 auto;padding:48px 40px;background:#fff}@media (max-width: 1024px){.course-main[data-astro-cid-bks3gknv]{margin-left:280px}}@media (max-width: 768px){.course-main[data-astro-cid-bks3gknv]{margin-left:0}.course-mobile-header[data-astro-cid-bks3gknv]{display:flex}.sidebar-overlay[data-astro-cid-bks3gknv]{display:block}.module-header[data-astro-cid-bks3gknv],.course-content[data-astro-cid-bks3gknv]{padding:32px 20px}}