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.btn{width:100%;padding:12px;font-size:1.1rem;border-radius:8px;margin-top:8px}.auth-divider{border:none;border-top:1px solid #dadde1;margin:20px 0}.auth-page .switch-link{text-align:center;margin-top:20px;font-size:.95rem;color:#606770}.auth-page .switch-link a{color:#1877f2;font-weight:600}.loading-spinner{display:flex;justify-content:center;align-items:center;padding:60px 0}.spinner{width:36px;height:36px;border:4px solid #e4e6e9;border-top-color:#1877f2;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:60px 20px;background:#fff;border-radius:8px;box-shadow:0 1px 2px #0000001a}.empty-state .empty-icon{font-size:3rem;margin-bottom:12px}.empty-state h3{font-size:1.2rem;color:#1c1e21;margin-bottom:8px}.empty-state p{color:#65676b;font-size:.95rem}.hero-banner{position:relative;height:420px;background-image:url(https://images.unsplash.com/photo-1529156069898-49953e39b3ac?w=1400&q=80);background-size:cover;background-position:center 30%;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#1877f2d1,#643cb4b8)}.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:0 24px;max-width:620px}.hero-title{font-size:2.4rem;font-weight:900;line-height:1.2;margin-bottom:14px;text-shadow:0 2px 8px rgba(0,0,0,.2)}.hero-subtitle{font-size:1.1rem;opacity:.92;margin-bottom:24px;line-height:1.5}.hero-members{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:28px}.hero-member-avatars{display:flex}.hero-member-img{width:38px;height:38px;border-radius:50%;border:2px solid #fff;object-fit:cover;margin-left:-10px;box-shadow:0 2px 6px #00000040}.hero-member-avatars .hero-member-img:first-child{margin-left:0}.hero-member-text{font-size:.9rem;font-weight:600;opacity:.95}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero-btn-primary{background:#fff!important;color:#1877f2!important;font-weight:700!important;padding:12px 28px!important;border-radius:24px!important;font-size:1rem!important;box-shadow:0 4px 14px #0003;transition:transform .15s,box-shadow .15s!important}.hero-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 18px #00000047!important;text-decoration:none!important}.hero-btn-secondary{background:#ffffff2e!important;color:#fff!important;font-weight:600!important;padding:12px 28px!important;border-radius:24px!important;font-size:1rem!important;border:2px solid rgba(255,255,255,.6)!important;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:background .2s!important}.hero-btn-secondary:hover{background:#ffffff4d!important;text-decoration:none!important}.community-strip{background:#fff;border-bottom:1px solid #e4e6e9;padding:16px 0;overflow-x:auto}.community-strip-inner{display:flex;gap:16px;max-width:960px;margin:0 auto;padding:0 16px;justify-content:center}.community-vibe{flex-shrink:0;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px #0000001a;position:relative;width:200px;transition:transform .2s,box-shadow .2s}.community-vibe:hover{transform:translateY(-3px);box-shadow:0 6px 18px #00000026}.vibe-img{width:100%;height:110px;object-fit:cover;display:block}.vibe-label{background:linear-gradient(0deg,rgba(0,0,0,.55),transparent);color:#fff;font-size:.82rem;font-weight:700;padding:8px 10px;position:absolute;bottom:0;left:0;right:0}.post-card-image-link{display:block;overflow:hidden}.post-card-image{width:100%;height:200px;object-fit:cover;display:block;transition:transform .3s}.post-card:hover .post-card-image{transform:scale(1.03)}.post-card-footer{display:flex;align-items:center;justify-content:space-between;padding:10px 16px 14px;border-top:1px solid #f0f2f5}.post-card-reactions{display:flex;gap:6px}.reaction-emoji{font-size:1.2rem;cursor:default;transition:transform .15s;display:inline-block}.reaction-emoji:hover{transform:scale(1.3)}.empty-state-img{width:100%;max-width:360px;height:180px;object-fit:cover;border-radius:12px;margin-bottom:20px}@media (max-width: 768px){.container,.navbar .container{padding:0 12px}.navbar .logo{font-size:1.25rem}.navbar .nav-links{gap:4px}.navbar .nav-links a{padding:6px 8px;font-size:.8rem}.post-card-body h2{font-size:1.05rem}.auth-page .auth-brand h1{font-size:1.8rem}.post-detail-body h1{font-size:1.3rem}.post-detail-body{padding:12px 16px 16px}}