*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #f5efe6;--bg-secondary: #ffffff;--bg-tertiary: #ebe3d5;--bg-card: #ffffff;--text-primary: #2c3e50;--text-secondary: #7f8c8d;--accent: #00555A;--accent-hover: #003d40;--accent-light: rgba(0, 85, 90, .1);--green: #72ef36;--gold: #f7c02b;--blue: #3498db;--danger: #e74c3c;--success: #27ae60;--border: #e8dfd2;--message-own: #3498db;--message-other: #f5efe6;--radius: 12px}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-weight:500}#root{min-height:100vh}a{text-decoration:none;color:inherit}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1.2rem;color:var(--text-secondary)}.app-layout{display:flex;flex-direction:column;height:100vh}.app-content{flex:1;overflow:hidden;display:flex;flex-direction:column}.navbar{background:#4a4a4a;border-bottom:none;box-shadow:0 2px 8px #00000026}.navbar-top{display:flex;align-items:center;justify-content:space-between;padding:.6rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.15)}.navbar-brand{display:flex;align-items:center;gap:.5rem}.brand-icon{font-size:1.4rem}.brand-text{font-size:1.2rem;font-weight:700;color:#fff}.navbar-user{display:flex;align-items:center;gap:.75rem}.lang-switcher{display:flex;gap:2px;background:#ffffff1a;border-radius:6px;padding:2px}.lang-btn{padding:.2rem .5rem;border:none;border-radius:4px;font-size:.75rem;font-weight:700;cursor:pointer;background:transparent;color:#fff9;transition:all .2s}.lang-btn.active{background:#ffffff40;color:#fff}.lang-btn:hover:not(.active){color:#ffffffe6}.navbar-username{color:#ffffffd9;font-size:.9rem}.navbar-username-link{color:#ffffffd9;font-size:.9rem;font-weight:700;cursor:pointer;transition:color .2s}.navbar-username-link:hover{color:#fff}.navbar-topics{display:flex;align-items:center;gap:.5rem;padding:.6rem 1rem;overflow-x:auto;background:#3a3a3a}.navbar-topics::-webkit-scrollbar{height:4px}.navbar-topics::-webkit-scrollbar-track{background:transparent}.navbar-topics::-webkit-scrollbar-thumb{background:#0003;border-radius:2px}.navbar-topic-link{display:flex;align-items:center;gap:.3rem;padding:.6rem 1.2rem;border-radius:8px;font-size:.95rem;white-space:nowrap;flex-shrink:0;transition:all .2s;color:#5a4e3c;background:#f5efe6;border:1px solid #e8dfd2}.navbar-topic-link:hover{background:#ebe3d5;border-color:#d9cfc0;color:#3e3528}.navbar-topic-link.active{background:var(--green);border-color:var(--green);color:#1a3e40;font-weight:600;box-shadow:0 2px 8px #72ef364d}.topic-link-icon{font-size:1rem}.topic-link-name{font-weight:700}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1rem;background:var(--bg-primary)}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:2.5rem;width:100%;max-width:420px;box-shadow:0 4px 16px #00000014}.auth-card h1{text-align:center;font-size:1.8rem;color:var(--accent);margin-bottom:.25rem}.auth-card h2{text-align:center;font-size:1.1rem;color:var(--text-secondary);font-weight:400;margin-bottom:1.5rem}.google-login-wrapper{display:flex;justify-content:center;margin-bottom:.5rem}.auth-divider{display:flex;align-items:center;gap:1rem;margin:1rem 0;color:var(--text-secondary);font-size:.85rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.4rem;font-size:.9rem;color:#34495e}.form-group input{width:100%;padding:.75rem 1rem;background:#f8fbff;border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:1rem;outline:none;transition:border-color .2s}.form-group input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3498db1f}.form-group input::placeholder{color:#95a5a6}.btn-primary{width:100%;padding:.8rem;background:var(--gold);color:#2c3e50;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s;margin-top:.5rem}.btn-primary:hover:not(:disabled){background:#ffb700}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.error-message{background:#e74c3c1a;color:var(--danger);padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem;border:1px solid rgba(231,76,60,.2)}.auth-link{text-align:center;margin-top:1.25rem;font-size:.9rem;color:var(--text-secondary)}.auth-link a{color:var(--accent);text-decoration:none;font-weight:600}.auth-link a:hover{text-decoration:underline}.success-message{background:#27ae601a;color:var(--success);padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem;border:1px solid rgba(39,174,96,.2)}.verify-info{text-align:center;font-size:.9rem;color:var(--text-secondary);margin-bottom:1.25rem;line-height:1.5}.verify-code-input{text-align:center;font-size:1.5rem!important;letter-spacing:.5rem;font-weight:700}.link-btn{background:none;border:none;color:var(--accent);font-weight:600;font-size:.9rem;cursor:pointer;padding:0}.link-btn:hover{text-decoration:underline}.app-footer{background:#4a4a4a;padding:.75rem 1.5rem;text-align:center;flex-shrink:0}.footer-content{display:flex;align-items:center;justify-content:center;gap:.5rem;font-size:.8rem;color:#fff9}.footer-brand{font-weight:700;color:#ffffffd9}.footer-divider{opacity:.4}.home-page{flex:1;overflow-y:auto;padding:2rem}.home-hero{text-align:center;margin-bottom:2rem}.home-hero h2{font-size:1.8rem;margin-bottom:.5rem;color:#1a2456}.home-hero p{color:var(--text-secondary);font-size:1.05rem}.topics-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;max-width:1100px;margin:0 auto}.topic-card{background:var(--bg-card);border:2px solid #f0d68c;border-radius:var(--radius);padding:1.5rem;transition:all .25s;cursor:pointer;position:relative;overflow:hidden;box-shadow:0 2px 8px #0000000a}.topic-card:before{display:none}.topic-card:hover{border-color:#e6c55a;transform:translateY(-4px);box-shadow:0 8px 24px #f0d68c4d}.topic-card-icon{font-size:2.5rem;margin-bottom:.75rem}.topic-card-name{font-size:1.15rem;font-weight:600;margin-bottom:.5rem;color:#1a2456}.topic-card-desc{font-size:.85rem;color:var(--text-secondary);line-height:1.5;margin-bottom:1rem}.topic-card-join{font-size:.85rem;color:var(--topic-color, var(--accent));font-weight:600;transition:letter-spacing .2s}.topic-card:hover .topic-card-join{letter-spacing:.5px}.topic-page{flex:1;overflow:hidden}.topic-layout{display:flex;height:100%;max-width:1300px;margin:0 auto}.topic-main{flex:1;display:flex;flex-direction:column;overflow:hidden;border-right:1px solid var(--border)}.topic-main-header{display:flex;align-items:center;gap:.5rem;padding:.8rem 1.2rem;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.topic-main-icon{font-size:1.3rem}.topic-main-header h2{font-size:1.15rem;font-weight:700;color:var(--text-primary);flex:1}.status-dot{width:10px;height:10px;border-radius:50%}.status-dot.online{background:var(--success);box-shadow:0 0 6px #27ae6080}.status-dot.offline{background:var(--danger)}.btn-logout{padding:.3rem .5rem;background:transparent;color:#fff9;border:none;border-radius:6px;font-size:1.1rem;cursor:pointer;transition:all .2s;line-height:1}.btn-logout:hover{background:#ffffff26;color:var(--danger)}.post-add-bar{display:flex;align-items:center;gap:.75rem;padding:.6rem 1.2rem;background:var(--bg-secondary);border-bottom:1px solid var(--border);cursor:pointer;transition:background .15s}.post-add-bar:hover{background:#faf6ee}.post-add-btn{width:36px;height:36px;border-radius:50%;border:2px solid var(--accent);background:var(--accent);color:#fff;font-size:1.4rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;line-height:1;flex-shrink:0}.post-add-bar:hover .post-add-btn{background:var(--accent-hover);border-color:var(--accent-hover)}.post-add-text{font-size:.95rem;color:var(--text-secondary);font-weight:500}.post-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.post-modal{background:var(--bg-secondary);border-radius:var(--radius);width:100%;max-width:600px;box-shadow:0 12px 40px #0003;animation:modalSlideIn .2s ease-out}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.post-modal-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-bottom:1px solid var(--border)}.post-modal-header h3{font-size:1.05rem;font-weight:700;color:var(--text-primary)}.post-modal-close{background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;padding:0;line-height:1;transition:color .2s}.post-modal-close:hover{color:var(--danger)}.post-modal-body{padding:1.25rem}.post-modal-title{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:1.1rem;font-weight:600;font-family:inherit;color:var(--text-primary);background:var(--bg-primary);outline:none;margin-bottom:.75rem;transition:border-color .2s;box-sizing:border-box}.post-modal-title:focus{border-color:var(--blue)}.post-modal-title::placeholder{color:var(--text-secondary);font-weight:400}.post-modal-content{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:.95rem;font-family:inherit;color:var(--text-primary);background:var(--bg-primary);outline:none;resize:none;line-height:1.6;transition:border-color .2s;box-sizing:border-box}.post-modal-content:focus{border-color:var(--blue)}.post-modal-content::placeholder{color:var(--text-secondary)}.post-modal-meta{display:flex;justify-content:flex-end;margin-top:.5rem}.post-char-count,.post-word-count{font-size:.75rem;color:var(--text-secondary)}.post-word-count.over-limit{color:var(--danger)}.post-modal-footer{display:flex;justify-content:flex-end;gap:.5rem;padding:.75rem 1.25rem;border-top:1px solid var(--border)}.btn-publish{padding:.5rem 1.5rem;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;transition:background .2s}.btn-publish:hover:not(:disabled){background:var(--accent-hover)}.btn-publish:disabled{opacity:.4;cursor:not-allowed}.post-list{flex:1;overflow-y:auto;background:var(--bg-primary)}.post-list::-webkit-scrollbar{width:6px}.post-list::-webkit-scrollbar-track{background:transparent}.post-list::-webkit-scrollbar-thumb{background:#c1d9e8;border-radius:3px}.post-empty{text-align:center;padding:3rem 1rem;color:var(--text-secondary)}.post-empty-icon{font-size:2.5rem;display:block;margin-bottom:.75rem}.post-empty p{font-size:.95rem}.post-card{display:flex;gap:.75rem;padding:.6rem 1.2rem;border-bottom:1px solid var(--border);background:var(--bg-secondary);transition:background .15s}.post-card:hover{background:#faf6ee}.post-card-own{background:#00555a08}.post-card-own:hover{background:#00555a0f}.post-card-avatar{width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;flex-shrink:0}.post-card-own .post-card-avatar{background:var(--accent)}.post-card-body{flex:1;min-width:0}.post-card-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.2rem}.post-card-header .post-fav-btn{margin-left:auto;margin-top:0;font-size:1rem;padding:0}.post-card-username{font-weight:500;font-size:.8rem;color:var(--text-secondary)}.post-card-time{font-size:.8rem;color:var(--text-secondary)}.post-card-time:before{content:"·";margin-right:.5rem}.post-card-title{margin:0 0 .25rem;font-size:.9rem;font-weight:600;color:var(--text-primary);line-height:1.4}.post-card-content{margin:0;font-size:.82rem;line-height:1.5;color:var(--text-primary);word-break:break-word;white-space:pre-wrap}.post-card-content.expanded{color:var(--text-primary)}.post-card-clickable{cursor:pointer}.post-read-more{background:none;border:none;color:var(--accent);font-size:.8rem;font-weight:600;cursor:pointer;padding:.2rem 0;transition:color .2s}.post-read-more:hover{color:var(--accent-hover)}.topic-sidebar{width:320px;background:var(--bg-primary);overflow-y:auto;padding:.75rem;display:flex;flex-direction:column;gap:.75rem}.chatter-box{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;height:400px}.chatter-header{display:flex;align-items:center;gap:.4rem;padding:.6rem .8rem;border-bottom:1px solid var(--border)}.chatter-header-icon{font-size:1rem}.chatter-header h3{font-size:.95rem;font-weight:700;color:var(--text-primary);flex:1}.chatter-live{font-size:.65rem;font-weight:700;color:#fff;background:var(--danger);padding:.15rem .4rem;border-radius:4px;letter-spacing:.5px}.chatter-messages{flex:1;overflow-y:auto;padding:.5rem;display:flex;flex-direction:column;gap:.3rem}.chatter-messages::-webkit-scrollbar{width:4px}.chatter-messages::-webkit-scrollbar-thumb{background:#d0d0d0;border-radius:2px}.chatter-empty{text-align:center;color:var(--text-secondary);font-size:.85rem;padding:1rem}.chatter-msg{padding:.3rem .5rem;border-radius:6px;font-size:.85rem;line-height:1.4;background:var(--bg-primary)}.chatter-msg-own{background:#00555a0f}.chatter-msg-user{font-weight:700;color:var(--accent);margin-right:.4rem;font-size:.8rem}.chatter-msg-text{color:var(--text-primary);word-break:break-word}.chatter-msg-time{font-size:.65rem;color:var(--text-secondary);margin-left:.4rem}.chatter-input{display:flex;gap:.4rem;padding:.5rem;border-top:1px solid var(--border)}.chatter-input input{flex:1;padding:.4rem .7rem;border:1px solid var(--border);border-radius:16px;font-size:.85rem;outline:none;background:var(--bg-primary);color:var(--text-primary)}.chatter-input input:focus{border-color:var(--blue)}.chatter-input input::placeholder{color:var(--text-secondary)}.chatter-input button{width:32px;height:32px;border-radius:50%;border:none;background:var(--accent);color:#fff;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.chatter-input button:hover:not(:disabled){background:var(--accent-hover)}.chatter-input button:disabled{opacity:.3;cursor:not-allowed}.sidebar-widget{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:.8rem}.sidebar-widget h3{font-size:.9rem;font-weight:700;color:var(--text-primary);margin-bottom:.6rem;padding-bottom:.4rem;border-bottom:1px solid var(--border)}.sidebar-users{display:flex;flex-direction:column;gap:.4rem}.sidebar-user{display:flex;align-items:center;gap:.5rem;padding:.25rem 0}.sidebar-user-avatar{width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.7rem;flex-shrink:0}.sidebar-user-name{flex:1;font-size:.85rem;font-weight:500;color:var(--text-primary)}.online-dot{width:8px;height:8px;background:var(--success);border-radius:50%;flex-shrink:0}.sidebar-empty{font-size:.8rem;color:var(--text-secondary);text-align:center;padding:.5rem}.btn-admin{padding:.35rem .85rem;background:var(--gold);color:#2c3e50;border:none;border-radius:8px;font-size:.8rem;font-weight:600;cursor:pointer;transition:background .2s}.btn-admin:hover{background:#ffb700}.meet-page{flex:1;display:flex;align-items:center;justify-content:center;overflow:auto;padding:1rem}.meet-loading{color:var(--text-secondary);font-size:1rem}.meet-apply{background:var(--bg-card);border:2px solid #f0d68c;border-radius:var(--radius);padding:2.5rem;text-align:center;max-width:450px;width:100%}.meet-apply-icon{font-size:3rem;margin-bottom:1rem}.meet-apply h2{font-size:1.4rem;color:var(--text-primary);margin-bottom:.5rem}.meet-apply p{color:var(--text-secondary);font-size:.95rem;line-height:1.5;margin-bottom:1.5rem}.meet-error{background:#e74c3c1a;color:var(--danger);padding:.6rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.85rem}.meet-apply-btn{padding:.8rem 2rem;background:var(--accent);color:#fff;border:none;border-radius:24px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.meet-apply-btn:hover{background:var(--accent-hover)}.meet-room{width:100%;height:100%;display:flex;flex-direction:column}.meet-grid{flex:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.75rem;padding:1rem;overflow-y:auto;background:#1a1a2e;align-content:start}.meet-video-card{position:relative;background:#16213e;border-radius:12px;overflow:hidden;aspect-ratio:16 / 9}.meet-video-card video{width:100%;height:100%;object-fit:cover;display:block}.meet-video-name{position:absolute;bottom:8px;left:8px;background:#0009;color:#fff;padding:.2rem .6rem;border-radius:6px;font-size:.75rem;font-weight:600}.meet-controls{display:flex;align-items:center;justify-content:center;gap:1rem;padding:.75rem;background:#0f3460}.meet-ctrl-btn{padding:.6rem 1rem;border:none;border-radius:24px;font-size:1.1rem;cursor:pointer;background:#ffffff26;color:#fff;transition:background .2s}.meet-ctrl-btn:hover{background:#ffffff40}.meet-ctrl-btn.off{background:#e74c3c99}.meet-ctrl-btn.leave{background:var(--danger);font-size:.9rem;font-weight:600;padding:.6rem 1.5rem}.meet-ctrl-btn.leave:hover{background:#c0392b}.meet-user-count{color:#fff9;font-size:.85rem;font-weight:600}.admin-page{flex:1;overflow-y:auto;padding:1.5rem}.admin-loading{text-align:center;color:var(--text-secondary);padding:2rem}.admin-container{max-width:700px;margin:0 auto}.admin-header{margin-bottom:1.5rem}.admin-header h2{font-size:1.4rem;color:var(--text-primary);margin-bottom:.25rem}.admin-header p{color:var(--text-secondary);font-size:.9rem}.admin-section{margin-bottom:1.5rem}.admin-section h3{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid var(--border)}.admin-empty{color:var(--text-secondary);font-size:.9rem;text-align:center;padding:1rem}.admin-request{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;margin-bottom:.5rem}.admin-request-info{display:flex;align-items:center;gap:.75rem}.admin-request-avatar{width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem}.admin-request-name{font-weight:600;font-size:.95rem;color:var(--text-primary);display:block}.admin-request-email{font-size:.8rem;color:var(--text-secondary)}.admin-request-actions{display:flex;gap:.5rem}.admin-btn{padding:.4rem 1rem;border:none;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer;transition:opacity .2s}.admin-btn:hover{opacity:.85}.admin-btn.approve{background:var(--success);color:#fff}.admin-btn.reject{background:var(--danger);color:#fff}.admin-status-badge{font-size:.75rem;font-weight:600;padding:.25rem .6rem;border-radius:12px}.admin-status-badge.approved{background:#27ae601f;color:var(--success)}.admin-status-badge.rejected{background:#e74c3c1a;color:var(--danger)}.profile-page{flex:1;overflow-y:auto;padding:1.5rem}.profile-loading{text-align:center;padding:3rem;color:var(--text-secondary);font-size:1.1rem}.profile-container{max-width:700px;margin:0 auto}.profile-header{display:flex;gap:1.25rem;align-items:flex-start;padding:1.5rem;background:var(--bg-secondary);border:2px solid #f0d68c;border-radius:12px;margin-bottom:1rem}.profile-avatar-large{width:80px;height:80px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:2rem;flex-shrink:0}.profile-info{flex:1}.profile-info h2{font-size:1.4rem;color:var(--text-primary);margin-bottom:.25rem}.profile-email{font-size:.85rem;color:var(--text-secondary);margin-bottom:.5rem}.profile-bio{font-size:.95rem;color:var(--text-primary);line-height:1.5;margin-bottom:.75rem}.profile-stats{display:flex;gap:1rem;font-size:.85rem;color:var(--text-secondary)}.profile-stats span{font-weight:600}.profile-tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:1rem}.profile-tabs button{flex:1;padding:.75rem 1rem;background:none;border:none;border-bottom:3px solid transparent;font-size:.95rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s}.profile-tabs button:hover{color:var(--text-primary);background:#00555a0d}.profile-tabs button.active{color:var(--accent);border-bottom-color:var(--accent)}.profile-tab-content{min-height:200px}.profile-tab-content h3{font-size:1rem;color:var(--text-primary);margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid var(--border)}.profile-empty{text-align:center;color:var(--text-secondary);font-size:.9rem;padding:2rem 1rem}.profile-bio-display{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem}.profile-bio-display p{font-size:.95rem;line-height:1.5;color:var(--text-primary)}.btn-edit-bio{align-self:flex-start;padding:.35rem .85rem;background:transparent;color:var(--accent);border:1px solid var(--accent);border-radius:8px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-edit-bio:hover{background:var(--accent);color:#fff}.profile-bio-edit textarea{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:.95rem;resize:none;outline:none;background:var(--bg-primary);color:var(--text-primary);margin-bottom:.5rem;box-sizing:border-box}.profile-bio-edit textarea:focus{border-color:var(--accent)}.profile-bio-actions{display:flex;gap:.5rem;justify-content:flex-end;align-items:center}.bio-char-count{font-size:.75rem;color:var(--text-secondary);margin-right:auto}.btn-save{padding:.45rem 1.2rem;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer}.btn-save:hover{opacity:.9}.btn-cancel{padding:.45rem 1.2rem;background:transparent;color:var(--text-secondary);border:1px solid var(--border);border-radius:8px;font-size:.85rem;cursor:pointer}.profile-bio-readonly{font-size:.95rem;line-height:1.5;color:var(--text-primary);margin-bottom:1.5rem}.profile-detail-section{margin-top:1.5rem}.profile-detail-row{display:flex;justify-content:space-between;padding:.6rem 0;border-bottom:1px solid rgba(0,0,0,.05)}.profile-detail-label{color:var(--text-secondary);font-size:.85rem}.profile-detail-value{color:var(--text-primary);font-size:.85rem;font-weight:600}.btn-friend-request{padding:.5rem 1.2rem;background:var(--accent);color:#fff;border:none;border-radius:20px;font-size:.85rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s;flex-shrink:0}.btn-friend-request:hover{opacity:.9}.btn-friend-request.pending{background:var(--gold);color:#2c3e50}.btn-friend-request.accepted{background:var(--success);cursor:default}.post-fav-btn{background:none;border:none;font-size:1.2rem;cursor:pointer;color:var(--text-secondary);padding:.2rem;transition:color .2s,transform .2s}.post-fav-btn:hover{transform:scale(1.2)}.post-fav-btn.favorited{color:var(--gold)}.post-share-btn{background:none;border:none;font-size:.95rem;cursor:pointer;color:var(--text-secondary);padding:.1rem .3rem;transition:color .2s,transform .2s;opacity:.5;position:relative}.post-share-btn:hover{color:var(--primary);opacity:1;transform:scale(1.15)}.post-share-tooltip{position:absolute;bottom:100%;left:50%;transform:translate(-50%);background:#333;color:#fff;font-size:.7rem;padding:.25rem .5rem;border-radius:4px;white-space:nowrap;pointer-events:none;animation:tooltipFade 2s forwards}@keyframes tooltipFade{0%,70%{opacity:1}to{opacity:0}}.post-delete-btn{background:none;border:none;font-size:.85rem;cursor:pointer;color:var(--text-secondary);padding:.1rem .3rem;transition:color .2s;opacity:.5}.post-delete-btn:hover{color:var(--danger);opacity:1}.favorite-post-card{display:flex;gap:.75rem;padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:10px;margin-bottom:.5rem}.favorite-post-avatar{width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;flex-shrink:0}.favorite-post-content{flex:1;min-width:0}.favorite-post-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.3rem}.favorite-post-author{font-weight:600;font-size:.85rem;color:var(--text-primary);text-decoration:none}.favorite-post-author:hover{color:var(--accent)}.favorite-post-time{font-size:.75rem;color:var(--text-secondary)}.favorite-post-content p{font-size:.9rem;line-height:1.4;color:var(--text-primary)}.friend-card{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:10px;margin-bottom:.5rem}.friend-card.pending{border-left:3px solid var(--gold)}.friend-card-info{display:flex;align-items:center;gap:.75rem}.friend-card-avatar{width:38px;height:38px;border-radius:50%;background:#3498db;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;text-decoration:none;flex-shrink:0}.friend-card-name{font-weight:600;font-size:.95rem;color:var(--text-primary);text-decoration:none}.friend-card-name:hover{color:var(--accent)}.friend-card-bio{font-size:.8rem;color:var(--text-secondary);margin-top:.15rem}.friend-card-actions{display:flex;gap:.5rem}.btn-remove-friend{padding:.35rem .75rem;background:transparent;color:var(--danger);border:1px solid var(--danger);border-radius:8px;font-size:.75rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-remove-friend:hover{background:var(--danger);color:#fff}.friend-requests-section{margin-bottom:1.5rem}.btn-profile{padding:.35rem .85rem;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:.8rem;font-weight:600;cursor:pointer;text-decoration:none;transition:opacity .2s}.btn-profile:hover{opacity:.9}a.post-card-avatar{text-decoration:none;color:#fff}a.post-card-username{text-decoration:none}a.post-card-username:hover{color:var(--accent)}@media (max-width: 768px){.topic-page{overflow-y:auto}.topic-layout{flex-direction:column;height:auto;min-height:100%}.topic-main{border:none;overflow:visible}.topic-sidebar{width:100%;border-left:none;border-top:1px solid var(--border);max-height:none;flex-shrink:0}.post-list{overflow-y:visible}.navbar-top{padding:.5rem 1rem}.topics-grid{grid-template-columns:1fr;padding:0 .5rem}.home-page{padding:1rem}.navbar-topics{padding:.4rem .5rem}.meet-grid{grid-template-columns:1fr}.meet-apply{padding:1.5rem}.profile-header{flex-direction:column;align-items:center;text-align:center}.profile-stats{justify-content:center}.profile-page{padding:.75rem}}