:root{--bg-color: #000000;--text-color: #ffffff;--secondary-text: #a0a0a0;--accent-color: #a607d6;--online-color: #2ecc71;--offline-color: #777777;--card-bg: #1a1a1a;--header-height: 60px;--nav-height: 60px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-color);padding-bottom:var(--nav-height)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes scaleIn{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.app-header{display:flex;align-items:center;padding:10px 15px;position:sticky;top:0;background-color:var(--bg-color);z-index:100}.logo{height:40px}.avatar{border-radius:50%;width:40px;height:40px;object-fit:cover}.search-bar{flex:1;position:relative;margin-right:15px}.mobile-search-icon{display:none;cursor:pointer;color:var(--text-color);margin-right:15px}@media(max-width:600px){.app-header{flex-wrap:nowrap;align-items:center;justify-content:space-between}.logo{height:40px;order:0}.mobile-search-icon{display:flex;align-items:center;order:1;margin-left:auto;margin-right:15px}.menu-container{order:2;margin-left:0;flex:none}.desktop-search-container{display:none!important}.mobile-search-overlay{position:fixed;inset:0;background-color:var(--bg-color);z-index:2000;padding:10px;animation:fadeIn .2s ease-out;display:flex;flex-direction:column}.mobile-search-header{display:flex;align-items:center;gap:10px;border-bottom:1px solid #333;padding-bottom:10px}.mobile-search-form{flex:1;position:relative;display:flex;align-items:center}.mobile-search-form 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0}.user-section{margin-bottom:20px}.section-title{font-size:20px;font-weight:600;margin-left:15px;margin-bottom:10px}.horizontal-scroll-container{display:flex;overflow-x:auto;padding-left:15px;padding-right:15px;gap:10px;scrollbar-width:none}.horizontal-scroll-container::-webkit-scrollbar{display:none}.grid-container{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}@media(min-width:1024px){.grid-container{grid-template-columns:repeat(6,1fr)}}.profile-card{position:relative;width:110px;flex-shrink:0;aspect-ratio:3/4;background-color:#333;overflow:hidden}.grid-container .profile-card{width:100%;border-radius:0}.horizontal-scroll-container .profile-card{border-radius:4px}.profile-card img{width:100%;height:100%;object-fit:cover}.profile-info{position:absolute;bottom:0;left:0;width:100%;padding:5px;background:linear-gradient(to 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img{max-width:100%;max-height:80vh;object-fit:contain}.lightbox-nav{background:none;border:none;color:#fff;cursor:pointer;padding:10px;position:absolute;top:50%;transform:translateY(-50%);z-index:10}.lightbox-nav.prev{left:10px;background:#00000080;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;padding:0}.lightbox-nav.next{right:10px;background:#00000080;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;padding:0}.lightbox-nav .material-icons{font-size:40px}.lightbox-close{position:absolute;top:-40px;right:0;background:none;border:none;color:#fff;cursor:pointer}.chat-page{position:relative;height:100vh;background-color:var(--bg-color);display:flex;flex-direction:column}.chat-header{display:flex;align-items:center;padding:10px 15px;background-color:var(--bg-color);border-bottom:1px solid #333;position:sticky;top:0;z-index:100}.back-btn-chat{background:none;border:none;color:#fff;cursor:pointer;margin-right:15px;display:flex;align-items:center}.chat-user-info{flex:1;display:flex;align-items:center}.chat-header .chat-avatar{position:relative;width:40px;height:40px;margin-right:10px}.chat-header .chat-avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}.chat-header .chat-avatar .status-dot{position:absolute;bottom:0;right:0;margin:0;width:10px;height:10px;border:2px solid var(--bg-color)}.chat-username{font-weight:600;font-size:16px}.more-btn{background:none;border:none;color:#fff;cursor:pointer}.chat-messages{flex:1;overflow-y:auto;padding:15px 15px 80px;display:flex;flex-direction:column;gap:15px}.message-bubble{max-width:70%;padding:10px 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15px}.chat-list-item{display:flex;align-items:center;padding:15px;background-color:var(--card-bg);border-radius:15px;cursor:pointer;transition:background-color .2s}.chat-list-item:active{background-color:#333}.chat-list-item .chat-avatar{position:relative;margin-right:15px;width:50px;height:50px}.chat-list-item .chat-avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}.chat-list-item .chat-avatar .status-dot{position:absolute;bottom:0;right:0;margin:0;border:2px solid var(--card-bg)}.chat-info{flex:1;overflow:hidden}.chat-name{font-weight:600;font-size:16px;color:var(--text-color)}.chat-time{font-size:12px;color:#888}.chat-last-message{color:var(--secondary-text);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-name-time{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px}.chat-name{font-weight:600;font-size:16px}.chat-time{font-size:12px;color:#666}.chat-last-message{color:var(--secondary-text);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70vw}.chat-messages{flex:1;padding:15px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;background-color:#000;scrollbar-width:thin;scrollbar-color:#333 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var(--bg-color);z-index:100}@media(max-width:768px){.scroll-arrow{display:none!important}}.skeleton-card{background-color:var(--card-bg);position:relative;overflow:hidden}.skeleton-image{width:100%;height:100%;background:linear-gradient(90deg,#1a1a1a 25%,#2a2a2a,#1a1a1a 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}.skeleton-dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(90deg,#333 25%,#444,#333 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;margin-right:5px}.skeleton-text{width:60px;height:12px;border-radius:4px;background:linear-gradient(90deg,#333 25%,#444,#333 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.toggle-switch{position:relative;display:inline-block;width:50px;height:26px;cursor:pointer}.toggle-switch 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16px;border-radius:12px;box-shadow:0 8px 24px #0009,0 0 0 1px #2ecc714d;border:1px solid rgba(46,204,113,.4);min-width:280px;max-width:350px}.toast-avatar{width:45px;height:45px;border-radius:50%;object-fit:cover;border:2px solid var(--online-color);box-shadow:0 0 8px #2ecc7180}.toast-message{flex:1;display:flex;flex-direction:column;gap:2px}.toast-title{font-size:13px;font-weight:600;color:var(--online-color);text-transform:uppercase;letter-spacing:.5px}.toast-text{font-size:14px;color:var(--text-color);font-weight:500}.toast-close{background:none;border:none;color:var(--secondary-text);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;transition:color .2s}.toast-close:hover{color:var(--text-color)}.toast-close .material-icons{font-size:20px}@keyframes slideInRight{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes fadeOut{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(400px)}}.search-dropdown{position:absolute;top:calc(100% + 5px);left:0;right:0;background:var(--card-bg);border-radius:8px;box-shadow:0 4px 12px #00000080;max-height:300px;overflow-y:auto;z-index:1000;border:1px solid #333}.search-dropdown-item{display:flex;align-items:center;gap:12px;padding:12px;cursor:pointer;transition:background-color .2s;border-bottom:1px solid #222}.search-dropdown-item:last-child{border-bottom:none}.search-dropdown-item:hover{background-color:#a607d61a}.search-dropdown-avatar{width:45px;height:45px;border-radius:50%;object-fit:cover;border:2px solid #333}.search-dropdown-info{flex:1;min-width:0}.search-dropdown-name{font-size:14px;font-weight:600;color:var(--text-color);margin-bottom:3px}.search-dropdown-bio{font-size:12px;color:var(--secondary-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.typing-indicator{display:flex;align-items:center;gap:4px;padding:8px 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img{width:100%;display:block;max-height:600px;object-fit:contain}.post-stats{padding:10px 16px;border-bottom:1px solid #333;display:flex;justify-content:space-between;color:#888;font-size:13px}.post-stat-item{display:flex;align-items:center;gap:6px}.post-actions{display:flex;padding:4px 8px}.post-action-btn{flex:1;background:none;border:none;color:#aaa;padding:10px 0;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;font-weight:500;border-radius:8px;margin:4px;transition:background .2s,color .2s}.post-action-btn:hover{background-color:#2a2a2a;color:#ddd}.post-action-btn.active{color:#a607d6}.post-action-btn.active:hover{background-color:#a607d61a}@media(min-width:1025px){.app-header,.app-content,.bottom-nav,.user-profile-page,.chat-page{max-width:1024px;margin:0 auto;left:0;right:0}.app-header{border-bottom:1px solid #333}.bottom-nav{border-top:1px solid #333;border-left:1px solid #333;border-right:1px solid 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aside{max-width:100%!important;width:100%!important}.post-card{background-color:var(--card-bg);margin-bottom:10px;padding:15px}.post-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}.post-author-info{display:flex;align-items:center;cursor:pointer}.post-avatar-wrapper{position:relative;margin-right:10px}.post-avatar-wrapper .post-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover}.post-avatar-wrapper .status-dot{position:absolute;bottom:0;right:0;width:10px;height:10px;border:2px solid var(--card-bg)}.post-author-name{font-weight:600;font-size:15px}.post-time{font-size:12px;color:var(--secondary-text)}.post-options-btn{background:none;border:none;color:var(--secondary-text);cursor:pointer}.post-content{margin-bottom:15px}.post-content p{margin-bottom:10px;line-height:1.5;white-space:pre-wrap}.post-image-container{border-radius:10px;overflow:hidden;margin-top:10px}.post-image-container img{width:100%;height:auto;display:block}.post-stats{display:flex;align-items:center;margin-bottom:15px;color:var(--secondary-text);font-size:13px}.post-stat-item{display:flex;align-items:center;gap:5px}.post-actions{display:flex;padding-top:10px}.post-action-btn{flex:1;background:none;border:none;color:var(--secondary-text);display:flex;align-items:center;justify-content:center;gap:8px;padding:5px;cursor:pointer;font-weight:500}.post-action-btn:hover{background-color:#ffffff0d;border-radius:5px}.post-action-btn.active{color:var(--accent-color)}.modal-overlay{position:fixed;inset:0;background-color:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-in}.modal-content{background-color:#1a1a1a;border-radius:20px;padding:30px;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease-out}.modal-content h3{margin:0 0 20px;font-size:24px;font-weight:600}.modal-content .form-group{margin-bottom:20px}.modal-content 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.2s}.cancel-btn{background-color:#333;color:#fff}.cancel-btn:hover{background-color:#444}.confirm-btn{background-color:var(--accent-color);color:#fff}.confirm-btn:hover{opacity:.9}.ad-desktop{position:fixed;top:var(--header-height);bottom:0;width:160px;z-index:90;display:none;align-items:center;justify-content:center;pointer-events:none}.ad-desktop>*{pointer-events:auto}.ad-left{left:10px}.ad-right{right:10px}.ad-mobile-bottom{position:fixed;bottom:var(--nav-height);left:0;width:100%;height:60px;z-index:95;display:flex;align-items:center;justify-content:center;background-color:#00000080;pointer-events:none}.ad-mobile-bottom>*{pointer-events:auto}.ad-placeholder-vertical{width:160px;height:600px;background-color:#2a2a2a;border:1px dashed #555;display:flex;align-items:center;justify-content:center;color:#888;font-size:14px}.ad-placeholder-horizontal{width:320px;height:50px;background-color:#2a2a2a;border:1px dashed #555;display:flex;align-items:center;justify-content:center;color:#888;font-size:14px}@media(min-width:1200px){.ad-desktop{display:flex}.ad-mobile-bottom{display:none}}@media(max-width:1199px){.ad-desktop{display:none}.ad-mobile-bottom{display:flex}}@media(max-width:768px){.desktop-only{display:none!important}}@media(min-width:769px){.mobile-only{display:none!important}}.announcement-modal-backdrop{position:fixed;inset:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.announcement-modal-poster{position:relative;max-width:500px;width:100%;max-height:90vh;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.announcement-close-btn{position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:50%;background:#000000b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.3);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:10;transition:all .2s}.announcement-close-btn:hover{background:#000000e6;transform:scale(1.1);border-color:#ffffff80}.announcement-close-btn .material-icons{font-size:24px}.announcement-poster-image{width:100%;height:90vh;max-height:800px;background-size:contain;background-position:center;background-repeat:no-repeat;border-radius:16px;position:relative;cursor:pointer;transition:transform .2s}.announcement-poster-image:active{transform:scale(.98)}.announcement-checkbox-overlay{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(to top,rgba(0,0,0,.8),transparent);border-radius:0 0 16px 16px;cursor:default}.dont-show-checkbox{display:flex;align-items:center;gap:12px;cursor:pointer;-webkit-user-select:none;user-select:none;position:relative}.dont-show-checkbox input[type=checkbox]{position:absolute;opacity:0;cursor:pointer}.checkbox-custom{width:24px;height:24px;border:2px solid rgba(255,255,255,.5);border-radius:6px;position:relative;transition:all .3s ease;flex-shrink:0;background:#0000004d;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.dont-show-checkbox:hover .checkbox-custom{border-color:#fffc;background:#00000080}.dont-show-checkbox input[type=checkbox]:checked~.checkbox-custom{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea}.dont-show-checkbox input[type=checkbox]:checked~.checkbox-custom:after{content:"";position:absolute;left:7px;top:3px;width:6px;height:11px;border:solid white;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}.checkbox-label{color:#fff;font-size:15px;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,.5)}@media(max-width:600px){.announcement-modal-backdrop{padding:0}.announcement-modal-poster{max-width:100%;max-height:100vh}.announcement-poster-image{height:100vh;max-height:100vh;border-radius:0}.announcement-checkbox-overlay{border-radius:0;padding:16px}.announcement-close-btn{top:10px;right:10px;width:36px;height:36px}.announcement-close-btn .material-icons{font-size:20px}.checkbox-label{font-size:14px}}