.community-grid{display:grid;grid-template-columns:1fr 300px;grid-gap:24px;gap:24px;align-items:start}.side{position:-webkit-sticky;position:sticky;top:80px;display:grid;grid-gap:16px;gap:16px}.side-card h3{font-size:.95rem;margin-bottom:12px;color:var(--gold);text-transform:uppercase;letter-spacing:.08em;font-weight:700}.side-annc{display:block;font-size:.88rem;color:var(--muted);padding:8px 0;border-bottom:1px solid var(--line)}.side-annc:last-child{border-bottom:none}.side-annc:hover{color:var(--text)}.start-list{padding-left:18px;display:grid;grid-gap:10px;gap:10px;font-size:.9rem;color:var(--muted)}.start-list a{color:var(--gold)}.start-list a:hover{text-decoration:underline}.annc-banner{display:none}.chips{display:flex;gap:8px;overflow-x:auto;margin-bottom:18px;padding-bottom:4px}.chip{padding:7px 14px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:.87rem;white-space:nowrap}.chip:hover{color:var(--text)}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.composer-row{display:flex;align-items:center;gap:10px}.cat-select{background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:9px 12px;font-size:.9rem}.cat-select:focus{outline:none;border-color:var(--accent2)}.badge.cat-announcements{background:var(--accent2);color:#fff}.badge.cat-introductions{background:#4ade80;color:#14351f}.badge.cat-questions{background:#60a5fa;color:#0f2440}.badge.cat-wins{background:var(--gold);color:#141414}@media (max-width:900px){.community-grid{grid-template-columns:1fr}.side{display:none}.annc-banner{display:block;background:var(--card);border:1px solid var(--gold);border-radius:10px;padding:10px 14px;font-size:.9rem;color:var(--text);margin-bottom:14px}}:root{--bg:#0b0f16;--bg2:#111827;--card:#151d2b;--line:#243044;--text:#e8edf5;--muted:#9aa7ba;--accent:#e63946;--accent2:#ff5a66;--gold:#f4b942;--green:#4ade80}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,textarea{font:inherit}.wrap{max-width:860px;margin:0 auto;padding:0 20px}.nav{border-bottom:1px solid var(--line);background:var(--bg2);position:-webkit-sticky;position:sticky;top:0;z-index:40}.nav-inner{max-width:860px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:26px;height:60px}.brand{font-weight:800;letter-spacing:-.01em}.brand span{color:var(--accent2)}.tabs{display:flex;gap:6px;flex:1 1}.tab{padding:8px 16px;border-radius:8px;font-weight:600;font-size:.95rem;color:var(--muted)}.tab:hover{color:var(--text);background:var(--card)}.tab.active{color:#fff;background:var(--accent)}.signout{background:none;border:1px solid var(--line);color:var(--muted);padding:7px 14px;border-radius:8px;font-size:.85rem}.signout:hover{color:var(--text);border-color:var(--muted)}.page{padding:40px 0 80px}h1.page-title{font-size:1.7rem;font-weight:800;letter-spacing:-.01em;margin-bottom:6px}p.page-sub{color:var(--muted);margin-bottom:30px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px}.btn{display:inline-block;background:linear-gradient(180deg,var(--accent2),var(--accent));color:#fff;font-weight:700;padding:12px 26px;border-radius:10px;border:none}.btn:disabled{opacity:.6;cursor:default}.btn-ghost{background:none;border:1px solid var(--line);color:var(--muted);padding:8px 16px;border-radius:8px;font-size:.85rem}.btn-ghost:hover{color:var(--text)}.muted{color:var(--muted)}.small{font-size:.85rem}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{max-width:440px;width:100%;text-align:center;padding:44px 36px}.login-card h1{font-size:1.5rem;font-weight:800;margin-bottom:10px}.login-card p{color:var(--muted);margin-bottom:24px;font-size:.95rem}.field{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);padding:13px 16px;border-radius:10px;margin-bottom:14px}.field:focus{outline:none;border-color:var(--accent2)}.module{margin-bottom:34px}.module h2{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);margin-bottom:14px}.lesson-list{display:grid;grid-gap:10px;gap:10px}.lesson{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;transition:border-color .15s}.lesson:hover{border-color:var(--accent2)}.lesson-num{flex:none;width:34px;height:34px;border-radius:50%;background:var(--bg);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;color:var(--muted)}.lesson b{display:block}.lesson span{color:var(--muted);font-size:.85rem}.video-frame{position:relative;padding-top:56.25%;border-radius:14px;overflow:hidden;background:#000;border:1px solid var(--line);margin-bottom:24px}.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.back-link{display:inline-block;color:var(--muted);font-size:.9rem;margin-bottom:22px}.back-link:hover{color:var(--text)}.composer textarea{width:100%;min-height:90px;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:13px 16px;resize:vertical;margin-bottom:12px}.comment-form input:focus,.composer textarea:focus{outline:none;border-color:var(--accent2)}.post{margin-top:18px}.post-head{display:flex;align-items:baseline;gap:10px;margin-bottom:8px;flex-wrap:wrap}.post-author{font-weight:700}.badge{background:var(--gold);color:#141414;font-size:.65rem;font-weight:800;padding:2px 8px;border-radius:5px;text-transform:uppercase;letter-spacing:.06em}.badge.pin{background:var(--accent2);color:#fff}.post-time{color:var(--muted);font-size:.8rem}.post-body{white-space:pre-wrap;margin-bottom:14px}.post-actions{display:flex;gap:12px;align-items:center}.link-btn{background:none;border:none;color:var(--muted);font-size:.83rem}.link-btn:hover{color:var(--text)}.comments{border-top:1px solid var(--line);margin-top:14px;padding-top:14px;display:grid;grid-gap:12px;gap:12px}.comment{font-size:.92rem}.comment b{margin-right:8px}.comment .post-time{margin-left:8px}.comment-form{display:flex;gap:10px;margin-top:4px}.comment-form input{flex:1 1;background:var(--bg);border:1px solid var(--line);color:var(--text);padding:10px 14px;border-radius:8px;font-size:.9rem}.notice{text-align:center;padding:60px 20px}.notice h1{font-size:1.5rem;margin-bottom:12px}.notice p{color:var(--muted);max-width:460px;margin:0 auto 8px}