/* (CSS omitted for brevity in code cell, full styles included) */
:root{--bg:#0b0f14;--card:#0f141b;--muted:#a3b3c2;--text:#eaf1f7;--accent:#7bdcff;--accent-2:#77ffa1;--danger:#ff6b81;--shadow:0 8px 24px rgba(0,0,0,.25);--radius:14px}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:linear-gradient(180deg,#091019 0%,#0b0f14 60%,#0a0d12 100%);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto}
a{color:var(--accent);text-decoration:none}.container{max-width:960px;margin:90px auto 80px;padding:0 16px}
.topbar{position:fixed;top:0;left:0;right:0;display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 14px;background:rgba(10,14,20,.7);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06);z-index:50}
.brand a{font-weight:800;letter-spacing:.4px;color:#fff}.search{flex:1;display:flex}.search input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.08);background:#0b1219;color:var(--text);outline:none}
.nav{display:flex;align-items:center;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:12px;background:linear-gradient(90deg,var(--accent),#7bc8ff);color:#002236;font-weight:700;border:0;box-shadow:var(--shadow);cursor:pointer}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.15);color:var(--text);box-shadow:none}.btn.full{width:100%}.btn.xsmall{padding:6px 10px;border-radius:8px;font-size:12px}
.dropdown{position:relative}.avatar{width:36px;height:36px;border-radius:10px;background:linear-gradient(180deg,#18222d,#0f151b);display:inline-grid;place-items:center;font-weight:800;border:1px solid rgba(255,255,255,.08)}
.avatar.small{width:28px;height:28px;font-size:12px}.avatar.xl{width:72px;height:72px;border-radius:18px;font-size:28px;margin-right:12px}
.dropdown .menu{position:absolute;right:0;top:44px;background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:12px;display:none;min-width:160px;box-shadow:var(--shadow);padding:8px}
.dropdown:hover .menu{display:block}.dropdown .menu a,.dropdown .menu .linklike{display:block;padding:10px 12px;color:var(--text)}.dropdown .menu .linklike{background:none;border:none;text-align:left;width:100%;cursor:pointer}
.card{background:rgba(17,23,30,.85);border:1px solid rgba(255,255,255,.06);box-shadow:var(--shadow);border-radius:var(--radius);padding:16px;margin:12px 0}.card.empty{text-align:center;padding:40px}
.grid{display:grid;grid-template-columns:1fr;gap:12px}@media(min-width:620px){.grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:940px){.grid{grid-template-columns:repeat(3,1fr)}}
.badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(123,220,255,.15);color:var(--accent);font-weight:700;font-size:12px;margin-right:8px}.badge.pin{background:rgba(255,225,130,.2);color:#ffd86b}
.muted{color:var(--muted);font-size:12px}.thread-title{margin:.2rem 0 .4rem 0}.thread-snippet{color:#d6e2ec}.thread-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.thread-stats{display:flex;gap:12px;margin-top:10px;color:var(--muted)}
.thread-img,.reply-img{width:100%;border-radius:12px;border:1px solid rgba(255,255,255,.06);margin:8px 0}.filters{margin:10px 0}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:8px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.1);color:var(--text)}.chip.active{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#001a26;border:0}
.alert{padding:12px 14px;border-radius:12px;margin:12px 0}.alert.success{background:rgba(119,255,161,.12);border:1px solid rgba(119,255,161,.4)}.alert.danger{background:rgba(255,107,129,.12);border:1px solid rgba(255,255,255,.4)}
label{display:block;margin:10px 0;color:var(--muted)}input,select,textarea{width:100%;margin-top:6px;padding:12px;border-radius:12px;background:#0b1219;border:1px solid rgba(255,255,255,.08);color:var(--text);outline:none}textarea{resize:vertical}
.auth-card{max-width:420px;margin:0 auto}.auth-card h2{margin-top:0}.replies .reply{border-top:1px solid rgba(255,255,255,.06);padding:12px 0}.reply .meta{display:flex;gap:10px;align-items:center;margin-bottom:6px}.reply .content{color:#d7e2ec}
.pagination{display:flex;gap:6px;justify-content:center;margin:18px 0}.page{padding:8px 12px;border:1px solid rgba(255,255,255,.12);border-radius:10px}.page.active{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#001a26;border:0}
.footer{position:sticky;bottom:0;margin-top:40px;padding:16px;text-align:center;color:var(--muted)}.profile-header{display:flex;align-items:center}.mt{margin-top:12px}.inline{display:inline}.mention{color:#9be3ff}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row.between{justify-content:space-between}.notif-list{list-style:none;padding:0;margin:0}.notif-list li{padding:10px;border-bottom:1px solid rgba(255,255,255,.06)}.notif-list li.unread{background:rgba(123,220,255,.05)}