.messages-layout{display:flex;height:calc(100vh - 2rem);max-height:100vh;overflow:hidden}.main-layout.messages-layout-container{grid-template-columns:var(--sidebar-width) 1fr}@media(max-width:1024px){.main-layout.messages-layout-container{grid-template-columns:80px 1fr}}@media(max-width:768px){.main-layout.messages-layout-container{grid-template-columns:1fr}}.conversations-list{width:350px;border-right:1px solid var(--border-color);overflow-y:auto;display:flex;flex-direction:column;flex-shrink:0}.conversation-item{padding:1rem;display:flex;align-items:center;gap:.75rem;cursor:pointer;transition:background-color .2s;border-bottom:1px solid var(--border-light)}.conversation-item:hover,.conversation-item.active{background-color:var(--background-hover)}.conversation-item.unread{background-color:#1da1f20d;border-right:3px solid var(--primary-color)}.conversation-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover}.conversation-info{flex:1;overflow:hidden}.conversation-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.25rem}.conversation-name{font-weight:700;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-time{font-size:.75rem;color:var(--text-secondary);flex-shrink:0}.conversation-preview{color:var(--text-secondary);font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread .conversation-preview{font-weight:600;color:var(--text-primary)}.chat-area{flex:1;display:flex;flex-direction:column;background-color:var(--background)}.chat-header{padding:.75rem 1rem;border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:.75rem;background-color:#ffffffe6;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.chat-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.5rem}.message-row{display:flex;flex-direction:column}.message-row.sent{align-items:flex-end}.message-row.received{align-items:flex-start}.message-bubble-container{display:flex;align-items:center;gap:.5rem;max-width:80%}.message-row.sent .message-bubble-container{flex-direction:row-reverse}.message-bubble{padding:.75rem 1rem;border-radius:1.25rem;font-size:.95rem;line-height:1.4;position:relative;word-break:break-word}.message-sent{background-color:var(--primary-color);color:#fff;border-bottom-right-radius:.25rem}.message-received{background-color:var(--background-secondary);color:var(--text-primary);border-bottom-left-radius:.25rem}.message-time{font-size:.7rem;margin-top:.25rem;opacity:.7;text-align:right}.message-delete-btn{opacity:0;color:var(--text-secondary);background:none;border:none;cursor:pointer;padding:4px;border-radius:50%;transition:all .2s;display:flex;align-items:center;justify-content:center}.message-delete-btn:hover{background-color:var(--background-hover);color:var(--error-color)}.message-bubble-container:hover .message-delete-btn{opacity:1}.chat-input-area{padding:1rem;border-top:1px solid var(--border-color);display:flex;gap:.75rem;align-items:center;align-items:flex-end}.chat-input{flex:1;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:1.5rem;font-family:inherit;resize:none;height:44px;max-height:120px;background-color:var(--background-secondary)}.chat-input:focus{outline:none;border-color:var(--primary-color);background-color:var(--background)}.chat-send-btn{background:none;border:none;color:var(--primary-color);cursor:pointer;padding:.5rem;border-radius:50%;transition:background-color .2s}.chat-send-btn:hover{background-color:var(--primary-light)}.chat-send-btn:disabled{color:var(--text-secondary);cursor:not-allowed}@media(max-width:768px){.messages-layout{position:relative}.conversations-list{width:100%;border-right:none}.chat-area{position:absolute;top:0;left:0;width:100%;height:100%;transform:translate(100%);transition:transform .3s ease;z-index:10}.chat-area.active{transform:translate(0)}.back-button{display:block!important}.message-delete-btn{opacity:1}.main-layout.mobile-chat-active .mobile-header,.main-layout.mobile-chat-active .bottom-nav{display:none!important}.main-layout.mobile-chat-active main{padding-top:0!important;padding-bottom:0!important;height:100dvh!important;min-height:100dvh!important;margin-bottom:0!important;width:100%!important;position:fixed;top:0;left:0}.main-layout.mobile-chat-active .messages-layout{height:100%!important;position:static}.main-layout.mobile-chat-active .chat-area{position:fixed!important;inset:0!important;width:100%!important;height:100dvh!important;z-index:2000;transform:translate(0);background-color:var(--background)}.main-layout.mobile-chat-active .chat-header{padding-top:env(safe-area-inset-top,1rem)}}.back-button{display:none;margin-right:.5rem;cursor:pointer;padding:.5rem;border-radius:50%}.back-button:hover{background-color:var(--background-hover)}.chat-attach-btn{background:none;border:none;color:var(--primary-color);cursor:pointer;padding:.5rem;border-radius:50%;transition:background-color .2s;height:40px;width:40px;display:flex;align-items:center;justify-content:center}.chat-attach-btn:hover{background-color:var(--primary-light)}.attachment-preview-area{padding:.5rem 1rem;border-top:1px solid var(--border-color);display:flex;gap:.5rem;overflow-x:auto;background-color:var(--background-secondary)}.preview-item{position:relative;width:80px;height:80px;border-radius:.5rem;overflow:hidden;flex-shrink:0;border:1px solid var(--border-color);background:#fff}.preview-file-icon{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.7rem;color:var(--text-secondary);padding:4px;text-align:center}.preview-file-icon svg{width:24px;height:24px;margin-bottom:4px}.preview-remove{position:absolute;top:2px;right:2px;background:#0009;color:#fff;border:none;border-radius:50%;width:20px;height:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px}.message-media-container{margin-top:.5rem;display:flex;flex-wrap:wrap;gap:4px}.message-media-item{border-radius:.5rem;overflow:hidden;max-width:100%;cursor:pointer}.message-media-item img{max-width:100%;max-height:300px;display:block}.message-media-item video{max-width:100%;max-height:300px}.file-card{display:flex;align-items:center;gap:.75rem;background-color:#0000000d;padding:.75rem;border-radius:.5rem;margin-top:.5rem;text-decoration:none;color:inherit;transition:background-color .2s;border:1px solid rgba(0,0,0,.1);max-width:300px}.message-sent .file-card{background-color:#fff3;border-color:#ffffff4d;color:#fff}.file-card:hover{background-color:#0000001a}.message-sent .file-card:hover{background-color:#ffffff4d}.file-card-icon{width:40px;height:40px;background-color:#fffc;border-radius:.25rem;display:flex;align-items:center;justify-content:center;color:var(--text-primary);flex-shrink:0}.file-card-info{flex:1;overflow:hidden}.file-card-name{font-weight:600;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}:root{--primary-color: #1DA1F2;--primary-hover: #1A91DA;--primary-light: rgba(29, 161, 242, .1);--secondary-color: #14171A;--text-primary: #14171A;--text-secondary: #657786;--text-muted: #AAB8C2;--background: #FFFFFF;--background-secondary: #F7F9FA;--background-hover: #F7F9FA;--border-color: #E1E8ED;--border-light: #F0F3F5;--success-color: #17BF63;--error-color: #E0245E;--warning-color: #FFAD1F;--dark-bg: #15202B;--dark-bg-secondary: #192734;--dark-bg-hover: #1C2938;--dark-text: #FFFFFF;--dark-border: #38444D;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 12px rgba(0, 0, 0, .15);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .2);--transition-fast: .2s ease;--transition-normal: .3s ease;--max-width: 1200px;--sidebar-width: 280px;--content-width: 600px}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-y:scroll}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--background);color:var(--text-primary);line-height:1.5;overflow-x:hidden;-webkit-text-size-adjust:100%}body.dark-mode{--background: var(--dark-bg);--background-secondary: var(--dark-bg-secondary);--background-hover: var(--dark-bg-hover);--text-primary: var(--dark-text);--text-secondary: #8899A6;--border-color: var(--dark-border)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2}a{color:var(--primary-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border:none;border-radius:9999px;font-size:.9375rem;font-weight:700;cursor:pointer;transition:all var(--transition-fast);outline:none;text-decoration:none}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:transparent;color:var(--primary-color);border:1px solid var(--primary-color)}.btn-secondary:hover{background-color:var(--primary-light)}.btn-danger:hover{background-color:#c91c52}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:1.25rem}.form-label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:600;color:var(--text-secondary)}.form-input,.form-textarea{width:100%;padding:.875rem 1rem;border:1px solid var(--border-color);border-radius:.5rem;font-size:1rem;font-family:inherit;background-color:var(--background);color:var(--error-color)}.card{background-color:var(--background);border:1px solid var(--border-color);border-radius:1rem;padding:1.5rem;margin-bottom:1rem;transition:all var(--transition-fast)}.card:hover{box-shadow:var(--shadow-md)}.container{max-width:var(--max-width);margin:0 auto;padding:0 1rem}.main-layout{display:grid;grid-template-columns:var(--sidebar-width) 1fr var(--sidebar-width);gap:2rem;max-width:var(--max-width);margin:0 auto;padding:1rem}@media(max-width:1024px){.main-layout{grid-template-columns:80px 1fr}.right-sidebar{display:none}}@media(max-width:768px){.main-layout{grid-template-columns:1fr}.left-sidebar{position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--background);border-top:1px solid var(--border-color);padding:0}}.sidebar{position:sticky;top:1rem;height:fit-content}.sidebar-nav{list-style:none}.sidebar-nav-item{margin-bottom:.5rem}.sidebar-nav-link{display:flex;align-items:center;gap:1rem;padding:.875rem 1.5rem;border-radius:9999px;color:var(--text-primary);font-size:1.125rem;font-weight:400;transition:background-color var(--transition-fast)}.sidebar-nav-link:hover{background-color:var(--background-hover);color:var(--text-primary)}.sidebar-nav-link.active{font-weight:700}.sidebar-nav-link svg{width:1.5rem;height:1.5rem}.post{padding:1rem;border-bottom:1px solid var(--border-color);transition:background-color var(--transition-fast);cursor:pointer;max-width:100%}.post:hover{background-color:var(--background-hover)}.post-header{display:flex;gap:.75rem;margin-bottom:.5rem}.post-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;flex-shrink:0}.post-author-info{display:flex;align-items:baseline;gap:.5rem;flex-wrap:wrap}.post-author-name{font-weight:700;color:var(--text-primary)}.post-author-username,.post-time{color:var(--text-secondary);font-size:.9375rem}.post-content{margin-bottom:.5rem;font-size:.9375rem;line-height:1.5;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}.post-actions{display:flex;gap:2rem;margin-top:.5rem}.post-action-btn{display:flex;align-items:center;gap:.5rem;background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:.875rem;padding:.25rem;border-radius:.5rem;transition:all var(--transition-fast)}.post-form{padding:1rem;border-bottom:1px solid var(--border-color)}.post-form-content{display:flex;gap:.75rem}.post-form-textarea{flex:1;border:none;resize:none;font-size:1.125rem;min-height:80px;padding:.75rem 0}.post-form-textarea:focus{outline:none;box-shadow:none}.post-form-actions{display:flex;justify-content:flex-end;padding-top:.75rem;border-top:1px solid var(--border-color)}.profile-header{position:relative;margin-bottom:1rem}.profile-cover{width:100%;height:200px;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));object-fit:cover}.profile-info{padding:1rem}.profile-avatar-wrapper{position:relative;margin-top:-75px;margin-bottom:1rem}.profile-avatar{width:134px;height:134px;border-radius:50%;border:4px solid var(--background);object-fit:cover}.profile-actions{display:flex;justify-content:flex-end;margin-bottom:1rem}.profile-name{font-size:1.25rem;font-weight:800;margin-bottom:.25rem}.profile-username{color:var(--text-secondary);margin-bottom:.75rem}.profile-bio{margin-bottom:.75rem;line-height:1.5}.profile-stats{display:flex;gap:1.5rem}.profile-stat{color:var(--text-secondary)}.profile-stat-number{font-weight:700;color:var(--text-primary)}.auth-container{display:flex;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.auth-content{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem}.auth-card{background:var(--background);border-radius:1.5rem;padding:3rem;width:100%;max-width:450px;box-shadow:var(--shadow-lg)}.auth-logo{text-align:center;margin-bottom:2rem}.auth-logo h1{font-size:2rem;color:var(--primary-color);margin-bottom:.5rem}.auth-logo p{color:var(--text-secondary)}.auth-form{margin-top:2rem}.auth-footer{margin-top:2rem;text-align:center;color:var(--text-secondary)}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.hidden{display:none!important}.spinner{display:inline-block;width:24px;height:24px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--background-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.profile-tabs{display:flex;border-bottom:1px solid var(--border-color)}.profile-tab{flex:1;text-align:center;padding:1rem;background:none;border:none;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:background-color .2s;border-bottom:4px solid transparent}.profile-tab:hover{background-color:var(--background-hover)}.profile-tab.active{color:var(--text-primary);border-bottom-color:var(--primary-color)}.hashtag-tabs{display:flex;border-bottom:1px solid var(--border-color);background-color:var(--background)}.hashtag-tab{flex:1;text-align:center;padding:1rem;background:none;border:none;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:background-color .2s;border-bottom:4px solid transparent}.hashtag-tab:hover{background-color:var(--background-hover)}.hashtag-tab.active{color:var(--text-primary);border-bottom-color:var(--primary-color)}.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}.posts-list{display:block}.post-grid-item{position:relative;aspect-ratio:1 / 1;overflow:hidden;cursor:pointer;background-color:var(--background-secondary)}.post-grid-item img{width:100%;height:100%;object-fit:cover;transition:transform .2s}.post-grid-item:hover img{filter:brightness(.9)}.view-toggle{display:flex;background-color:var(--background-secondary);border-radius:.5rem;padding:.25rem;gap:.25rem}.btn-icon{background:none;border:none;padding:.25rem .5rem;border-radius:.25rem;color:var(--text-secondary);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.btn-icon:hover{background-color:#0000000d;color:var(--text-primary)}.btn-icon.active{background-color:var(--background);color:var(--primary-color);box-shadow:0 1px 3px #0000001a}.ogp-card{border:1px solid var(--border-color);border-radius:.75rem;overflow:hidden;margin-top:.5rem;cursor:pointer;transition:background-color .2s;display:flex;flex-direction:column;text-decoration:none;color:inherit;width:100%;box-sizing:border-box}.ogp-card:hover{background-color:#00000005}.ogp-image-container{width:100%;height:180px;background-color:var(--background-secondary);position:relative;overflow:hidden;border-bottom:1px solid var(--border-color)}.ogp-image{width:100%;height:100%;object-fit:cover;object-position:center}.ogp-content{padding:.75rem;overflow:hidden}.ogp-title{font-weight:600;font-size:.95rem;margin-bottom:.25rem;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;word-break:break-all;overflow-wrap:anywhere}.ogp-description{color:var(--text-secondary);font-size:.85rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:.25rem;word-break:break-all;overflow-wrap:anywhere}.ogp-site{color:var(--text-secondary);font-size:.8rem;display:flex;align-items:center;gap:.25rem;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.ogp-site svg{width:14px;height:14px;flex-shrink:0}@media(max-width:768px){.main-layout{grid-template-columns:1fr;padding:0;gap:0}main{border-left:none!important;border-right:none!important;margin-bottom:60px;padding-bottom:60px;min-height:calc(100vh - 60px)!important;width:100%;overflow-x:hidden}.left-sidebar{position:fixed;inset:auto 0 0;height:60px;z-index:1000;background:var(--background);border-top:1px solid var(--border-color);padding:0;display:flex;align-items:center;justify-content:center;box-shadow:0 -1px 3px #0000000d}.left-sidebar nav{width:100%;height:100%}.left-sidebar nav>div:first-child{display:none}.sidebar-nav{display:flex;flex-direction:row;justify-content:space-between;align-items:center;height:100%;margin:0;padding:0 .5rem;width:100%}.sidebar-nav-item{margin-bottom:0;flex:1;display:flex;justify-content:center;min-width:auto}.sidebar-nav-link{flex-direction:column;padding:.5rem 0;gap:0;border-radius:.5rem;justify-content:center;height:auto;width:100%;color:var(--text-secondary)}.sidebar-nav-link svg{width:1.5rem;height:1.5rem;margin:0 auto}.sidebar-nav-link span{display:none}.sidebar-nav-link.active{color:var(--primary-color);background-color:transparent}#unreadBadge{top:2px;right:50%;margin-right:-12px;border:1px solid var(--background)}.profile-cover{height:150px}.profile-avatar{width:80px;height:80px;border-width:3px}.profile-avatar-wrapper{margin-top:-40px}.profile-info{padding:.75rem 1rem}.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:0}.post-actions{gap:.5rem;justify-content:space-between;margin-left:56px;padding-right:1rem}.post-action-btn{font-size:.75rem;gap:.25rem;padding:.25rem}}.media-grid{display:grid;gap:2px;margin-top:.5rem;border-radius:1rem;overflow:hidden;width:100%;border:1px solid var(--border-color);box-sizing:border-box}.media-item{width:100%;height:100%;position:relative;background-color:#cfd9de;overflow:hidden}.media-item img,.media-item video{width:100%;height:100%;object-fit:cover;display:block;cursor:pointer;transition:filter .2s;object-position:center 20%}.media-item img:hover,.media-item video:hover{filter:brightness(.95)}.media-grid-1{display:block;width:fit-content;max-width:100%;border:none}.media-grid-1 .media-item{height:auto;max-height:560px;border-radius:1rem;border:1px solid var(--border-color)}.media-grid-1 .media-item img,.media-grid-1 .media-item video{width:auto;max-width:100%;height:auto;max-height:560px;object-fit:contain;object-position:center}.media-grid-2{grid-template-columns:1fr 1fr;aspect-ratio:3 / 2}.media-grid-3{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;aspect-ratio:3 / 2}.media-grid-3 .media-item:first-child{grid-row:span 2}.media-grid-4{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;aspect-ratio:1 / 1}.media-carousel{display:flex;gap:8px;margin-top:.5rem;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;padding-bottom:8px;width:100%;box-sizing:border-box}.media-carousel::-webkit-scrollbar{display:none}.media-carousel-item{flex:0 0 85%;scroll-snap-align:center;position:relative;border-radius:1rem;overflow:hidden;border:1px solid var(--border-color);background-color:#cfd9de;aspect-ratio:4 / 5}.media-carousel-item:last-child{margin-right:56px}.media-carousel-item img,.media-carousel-item video{width:100%;height:100%;object-fit:cover;display:block;cursor:pointer;transition:filter .2s}.media-carousel-item img:hover,.media-carousel-item video:hover{filter:brightness(.95)}.carousel-badge{position:absolute;top:10px;right:10px;background:#000000b3;color:#fff;padding:4px 8px;border-radius:12px;font-size:.75rem;font-weight:700;pointer-events:none}.preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:.5rem;margin-left:56px;margin-top:.5rem}.preview-item{position:relative;aspect-ratio:1/1;border-radius:.5rem;overflow:hidden}.preview-item img,.preview-item video{width:100%;height:100%;object-fit:cover}.preview-remove{position:absolute;top:4px;right:4px;background:#000000b3;color:#fff;border:none;border-radius:50%;width:24px;height:24px;cursor:pointer;display:flex;align-items:center;justify-content:center}.lightbox{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000e6;z-index:2000;display:flex;justify-content:center;align-items:center;flex-direction:column;opacity:0;animation:fadeIn .2s forwards}.lightbox-content-wrapper{position:relative;width:100%;height:100%;display:flex;justify-content:center;align-items:center;padding:40px}.lightbox-media-container{max-width:100%;max-height:100%;display:flex;justify-content:center;align-items:center}.lightbox-close{position:absolute;top:20px;right:20px;background:none;border:none;color:#fff;font-size:2.5rem;cursor:pointer;z-index:2010;line-height:1;padding:0 10px;transition:color .2s}.lightbox-close:hover{color:var(--primary-color)}.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);background:#0000004d;border:none;color:#fff;font-size:2rem;padding:1rem;cursor:pointer;z-index:2010;transition:background-color .2s;border-radius:50%;width:60px;height:60px;display:flex;align-items:center;justify-content:center}.lightbox-nav:hover{background-color:#fff3}.lightbox-prev{left:20px}.lightbox-next{right:20px}.lightbox-counter{position:absolute;bottom:20px;left:50%;transform:translate(-50%);color:#fff;background-color:#00000080;padding:5px 15px;border-radius:20px;font-size:.9rem;z-index:2010}.lightbox-ui-hidden{opacity:0!important;pointer-events:none}.lightbox-close,.lightbox-nav,.lightbox-counter{transition:opacity .3s ease,background-color .2s}@media(max-width:768px){.lightbox-content-wrapper{padding:0}.lightbox-nav{padding:.5rem;width:40px;height:40px;font-size:1.5rem;background:#0000001a}.lightbox-prev{left:10px}.lightbox-next{right:10px}}.mobile-header,.bottom-nav,.drawer-overlay{display:none}.nav-badge{background:var(--error-color);color:#fff;border-radius:999px;font-size:.75rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;line-height:1;margin-left:auto;box-sizing:border-box}@media(max-width:768px){.mobile-header{display:flex;align-items:center;justify-content:space-between;position:fixed;top:0;left:0;right:0;height:60px;background:#fffffff2;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border-bottom:1px solid var(--border-color);padding:0 1rem;z-index:1100;box-sizing:border-box}body.dark-mode .mobile-header{background:#15202bf2}.mobile-header-content{display:flex;align-items:center;gap:1rem;flex:1}.mobile-user-icon{width:40px;height:40px;border-radius:50%;object-fit:cover;cursor:pointer}.mobile-page-title{font-weight:800;font-size:1.1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.left-sidebar{display:block!important;position:fixed;top:0;left:-280px;width:280px;height:100vh;background:var(--background);z-index:2000;transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:2px 0 10px #0003;padding-top:1rem;overflow-y:auto;border-right:none;bottom:auto!important}.left-sidebar.open{transform:translate(280px)}.left-sidebar nav>div:first-child{display:block!important;padding-left:1.5rem;margin-bottom:1rem}.sidebar-nav{flex-direction:column!important;height:auto!important;justify-content:flex-start!important}.sidebar-nav-item{width:100%;margin-bottom:.5rem}.sidebar-nav-link{flex-direction:row!important;justify-content:flex-start!important;padding:.875rem 1.5rem!important;font-size:1.1rem}.sidebar-nav-link span{display:inline-block!important;margin-left:1rem}.sidebar-nav-link svg{margin:0!important}.drawer-overlay{display:block;position:fixed;inset:0;background:#00000080;z-index:1500;opacity:0;pointer-events:none;transition:opacity .3s}.drawer-overlay.show{opacity:1;pointer-events:auto}.bottom-nav{display:flex;justify-content:space-around;align-items:center;position:fixed;bottom:0;left:0;right:0;height:48px;background:var(--background);border-top:1px solid var(--border-color);z-index:1000;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav-item{flex:1;display:flex;justify-content:center;align-items:center;height:100%;color:var(--text-secondary);text-decoration:none}.bottom-nav-item.active{color:var(--primary-color)}.bottom-nav-icon{position:relative;transform:translateY(0)}.bottom-nav-icon svg{width:26px;height:26px}.bottom-badge{position:absolute;top:2px;right:25%;margin-right:-8px;font-size:10px;border:2px solid var(--background);min-width:16px;height:16px;padding:0 3px}main{border-left:none!important;border-right:none!important;margin-bottom:60px;padding-bottom:46px!important;padding-top:60px!important;min-height:calc(100vh - 60px)!important;width:100%;overflow-x:hidden}main>div[style*="position: sticky"]{display:none!important}.post-form{border-top:none;position:relative;z-index:1}.messages-layout{height:calc(100vh - 106px)!important}.chat-area{position:fixed!important;top:60px!important;bottom:48px!important;height:auto!important;z-index:1050}}.toggle-switch{position:relative;display:inline-block;width:48px;height:24px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;inset:0;background-color:#ccc;transition:.4s;border-radius:24px}.toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.toggle-slider{background-color:var(--primary-color)}input:checked+.toggle-slider:before{transform:translate(24px)}@media(max-width:768px){.settings-menu{width:100%!important;border-right:none!important}.settings-content{display:none}.settings-menu:not(.active){display:none}.settings-content.active{display:block;width:100%;padding:1rem!important}.mobile-back-btn{display:flex!important}.mobile-only-arrow{display:inline-block!important;font-size:1.2rem;color:var(--text-secondary)}}.desktop-only-post-form{display:block}.mobile-post-fab{display:none}@media(max-width:768px){.desktop-only-post-form{display:none}.mobile-post-fab{display:flex;align-items:center;justify-content:center;position:fixed;bottom:46px;right:20px;width:56px;height:56px;border-radius:50%;background-color:var(--primary-color);color:#fff;font-size:2rem;font-weight:300;border:none;box-shadow:0 4px 10px #0000004d;cursor:pointer;z-index:1000;transition:transform .2s;padding-bottom:4px}.mobile-post-fab:active{transform:scale(.95)}}.search-header{position:sticky;top:0;background:var(--background);border-bottom:1px solid var(--border-color);z-index:100}@media(max-width:768px){main.search-page-main{padding-top:0!important}.search-header{position:fixed;top:0;left:0;right:0}.search-results-container{margin-top:110px}}:root{--admin-sidebar-bg: #1e293b;--admin-sidebar-text: #f8fafc;--admin-sidebar-hover: #334155;--admin-header-bg: #ffffff;--admin-content-bg: #f1f5f9;--admin-card-bg: #ffffff;--admin-primary: #3b82f6;--admin-danger: #ef4444;--admin-success: #22c55e;--admin-warning: #f59e0b}body.admin-mode{background-color:var(--admin-content-bg);overflow:hidden;margin:0;padding:0}body.admin-mode #root{max-width:none!important;margin:0!important;padding:0!important;text-align:left!important;width:100vw;height:100vh}.admin-layout{display:flex;height:100vh;width:100%;overflow:hidden;font-family:Segoe UI,sans-serif;position:relative;box-sizing:border-box}.admin-sidebar{width:250px;background-color:var(--admin-sidebar-bg);color:var(--admin-sidebar-text);flex-shrink:0;display:flex;flex-direction:column;z-index:1001;height:100%;overflow-y:auto;transition:transform .3s ease}.admin-brand{padding:1.5rem;font-size:1.25rem;font-weight:700;border-bottom:1px solid #334155;display:flex;align-items:center;gap:.5rem;flex-shrink:0}.admin-nav{padding:1rem 0;flex:1;overflow-y:auto}.admin-nav-item{display:flex;align-items:center;padding:.75rem 1.5rem;color:#94a3b8;text-decoration:none;cursor:pointer;border:none;background:none;width:100%;text-align:left;font-size:.95rem}.admin-nav-item:hover,.admin-nav-item.active{background-color:var(--admin-sidebar-hover);color:#fff;border-left:3px solid var(--admin-primary)}.admin-main{flex:1;display:flex;flex-direction:column;min-width:0;height:100%;overflow:hidden}.admin-header{background:var(--admin-header-bg);padding:.75rem 1.5rem;border-bottom:1px solid #e2e8f0;display:flex;justify-content:flex-end;align-items:center;height:60px;flex-shrink:0}.admin-content{padding:1.5rem;overflow-y:auto;flex:1;-webkit-overflow-scrolling:touch}.admin-card{background:var(--admin-card-bg);border-radius:.5rem;box-shadow:0 1px 3px #0000001a;padding:1.5rem;margin-bottom:1.5rem}.admin-page-title{font-size:1.5rem;font-weight:700;color:#1e293b;margin-bottom:1.5rem}.dashboard-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.dashboard-charts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.admin-table{width:100%;border-collapse:collapse}.admin-table th{background-color:#f8fafc;color:#64748b;font-weight:600;text-align:left;padding:.75rem 1rem;font-size:.875rem;border-bottom:1px solid #e2e8f0;white-space:nowrap}.admin-table td{padding:.75rem 1rem;border-bottom:1px solid #e2e8f0;color:#334155;vertical-align:top}.admin-table tr:hover{background-color:#f8fafc}.cell-content{width:100%}.cell-content.actions{display:flex;gap:.5rem}.status-badge{padding:.25rem .6rem;border-radius:9999px;font-size:.75rem;font-weight:600;display:inline-block;white-space:nowrap}.status-active{background:#dcfce7;color:#166534}.status-maintenance{background:#fee2e2;color:#991b1b}.status-coming_soon{background:#e0f2fe;color:#075985}.status-beta{background:#fef3c7;color:#92400e}.settings-grid{display:grid;gap:1rem}.feature-header-row{display:grid;grid-template-columns:2fr 1.5fr 2fr 100px;padding:.5rem;font-weight:700;color:#64748b;border-bottom:2px solid #e2e8f0}.feature-row{display:grid;grid-template-columns:2fr 1.5fr 2fr 100px;gap:1rem;align-items:center;padding:1rem;border:1px solid #e2e8f0;border-radius:.5rem;background:#fff}.feature-name{font-weight:600;font-size:1rem}.admin-select,.admin-input{padding:.5rem;border:1px solid #cbd5e1;border-radius:.375rem;width:100%;font-size:.9rem;box-sizing:border-box}.post-grid-view{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.post-grid-card{padding:0;overflow:hidden;cursor:pointer;border:1px solid #e2e8f0}.post-grid-image{aspect-ratio:1;overflow:hidden;background:#f1f5f9}.post-grid-image img{width:100%;height:100%;object-fit:cover}.post-grid-info{padding:.75rem}.post-grid-name{font-size:.85rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.post-grid-date{color:#64748b;font-size:.7rem}.admin-modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:2000}.admin-modal{background:#fff;width:90%;max-width:600px;max-height:85vh;border-radius:.5rem;display:flex;flex-direction:column}.admin-modal-header{padding:1rem 1.5rem;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;align-items:center}.admin-modal-body{padding:1.5rem;overflow-y:auto}.admin-modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#64748b}.admin-modal-actions{margin-top:1rem;display:flex;gap:1rem}.btn-admin{padding:.5rem 1rem;border-radius:.375rem;border:none;cursor:pointer;font-weight:500;font-size:.875rem;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}.btn-sm{padding:.3rem .6rem;font-size:.8rem}.btn-admin-primary{background:var(--admin-primary);color:#fff}.btn-admin-danger{background:var(--admin-danger);color:#fff}.btn-admin-outline{border:1px solid #cbd5e1;background:#fff;color:#475569}.admin-search-bar{display:flex;gap:.5rem;margin-bottom:1rem}.posts-header-controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.posts-controls-group{display:flex;gap:1rem}.admin-toggle-group{display:flex;background:#fff;border:1px solid #e2e8f0;border-radius:.375rem;overflow:hidden}.btn-admin-toggle{border:none;cursor:pointer;font-weight:600;padding:.5rem 1rem}.admin-mobile-menu-btn{display:none;background:none;border:none;cursor:pointer;color:#1e293b;padding:.5rem}.admin-sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:1000;opacity:0;transition:opacity .3s;pointer-events:none}@media(max-width:768px){.admin-layout{flex-direction:column}.admin-sidebar{position:fixed;top:0;left:0;height:100vh;width:280px;transform:translate(-100%)}.admin-sidebar.open{transform:translate(0)}.admin-sidebar-overlay{display:block}.admin-sidebar-overlay.open{opacity:1;pointer-events:auto}.admin-mobile-menu-btn{display:block;margin-right:auto}.admin-header{justify-content:space-between;padding:.5rem 1rem}.admin-content{padding:1rem}.dashboard-stats-grid{grid-template-columns:1fr 1fr;gap:.75rem}.admin-card{padding:1rem;margin-bottom:1rem}.posts-header-controls{flex-direction:column;align-items:stretch;gap:1rem}.posts-controls-group{justify-content:space-between}.admin-search-bar{flex-direction:column}.admin-table thead{display:none}.admin-table tr{display:block;margin-bottom:1rem;background:#fff;border:1px solid #e2e8f0;border-radius:.5rem;padding:.75rem;width:100%;box-sizing:border-box;box-shadow:0 1px 2px #0000000d}.admin-table td{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid #f1f5f9;padding:.75rem 0;gap:1rem;text-align:right}.admin-table td:last-child{border-bottom:none}.admin-table td:before{content:attr(data-label);font-weight:600;font-size:.85rem;color:#64748b;flex-shrink:0;text-align:left;white-space:nowrap}.admin-table td>*:last-child{flex:1;min-width:0;word-break:break-all;overflow-wrap:anywhere;display:flex;flex-direction:column;align-items:flex-end;justify-content:center}.cell-content.actions{flex-direction:row;flex-wrap:wrap;justify-content:flex-end;gap:.5rem}.admin-table td[data-label=ユーザー]>div{width:100%;justify-content:flex-end}.post-content-cell{text-align:left;width:100%;margin-top:.5rem;align-items:flex-start!important}.admin-table td[data-label=内容]{flex-direction:column;align-items:flex-start}.admin-table td[data-label=内容]>*:last-child{width:100%;align-items:flex-start}.feature-header-row{display:none}.feature-row{grid-template-columns:1fr;gap:.5rem}.feature-row div[data-label]:before{content:attr(data-label);font-weight:600;color:#64748b;font-size:.8rem;display:block;margin-bottom:.25rem}.admin-modal{width:100%;height:100%;max-height:100%;border-radius:0}.admin-modal-body{padding:1rem 1rem 5rem}}.post-action-btn:hover{color:var(--primary-color);background-color:var(--primary-light)}.post-action-btn.liked{color:var(--error-color)}.post-action-btn.retweeted{color:var(--success-color)}.post-action-btn.bookmarked{color:var(--warning-color)}.post-action-btn svg{width:1.25rem;height:1.25rem}.modal{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--background);border-radius:1rem;padding:2rem;width:90%;max-width:500px;position:relative}.close-modal{position:absolute;top:1rem;right:1rem;font-size:1.5rem;cursor:pointer;color:var(--text-secondary);background:none;border:none}.close-modal:hover{color:var(--text-primary)}.hashtag-link{color:var(--primary-color);text-decoration:none;font-weight:500}.hashtag-link:hover{text-decoration:underline}.trending-widget{background:var(--surface);border-radius:1rem;padding:1rem;margin-bottom:1rem}.trending-widget h3{margin:0 0 .75rem;font-size:1.25rem;font-weight:700}.trending-item{padding:.75rem;border-radius:.5rem;cursor:pointer;transition:background-color .2s;text-decoration:none;color:inherit;display:block}.trending-item:hover{background-color:var(--hover-bg)}.trending-tag{color:var(--primary-color);font-weight:600;font-size:.95rem}.trending-count{color:var(--text-secondary);font-size:.85rem;margin-top:.25rem}.settings-tabs{display:flex;border-bottom:1px solid var(--border-color);background:var(--background)}.settings-tab{flex:1;padding:1rem;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-secondary);font-weight:600;cursor:pointer;transition:all .2s}.settings-tab:hover{background-color:var(--hover-bg)}.settings-tab.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.settings-content{padding:1.5rem}.settings-tab-content{display:none}.settings-tab-content.active{display:block}.settings-section{background:var(--surface);border-radius:.75rem;padding:1.5rem;margin-bottom:1.5rem}.settings-section-title{font-size:1.125rem;font-weight:700;margin-bottom:1rem}.settings-info{display:flex;flex-direction:column;gap:.75rem}.settings-info-item{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid var(--border-light)}.settings-info-item:last-child{border-bottom:none}.settings-info-label{color:var(--text-secondary);font-weight:600}.settings-form{max-width:500px}.settings-form .form-group{margin-bottom:1rem}.settings-form label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-primary)}.settings-section-danger{border:1px solid var(--error-color);background:#ef44440d}.btn-danger{background-color:var(--error-color);color:#fff}.btn-danger:hover{background-color:#dc2626}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOut{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}.quote-box{border:1px solid var(--border-color);border-radius:1rem;padding:.75rem;margin-top:.75rem;margin-left:56px;cursor:pointer;transition:background-color .2s}.quote-box:hover{background-color:#00000008}.quote-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.25rem}.quote-avatar{width:20px;height:20px;border-radius:50%;object-fit:cover}.quote-name{font-weight:700;font-size:.9rem}.quote-username{color:var(--text-secondary);font-size:.85rem}.quote-content{font-size:.9rem;margin-bottom:0}.post-menu-btn{background:none;border:none;cursor:pointer;color:var(--text-secondary);padding:.5rem;border-radius:50%;transition:background-color .2s;display:flex;align-items:center;justify-content:center}.post-menu-dropdown{position:absolute;top:100%;right:0;background:var(--background);border:1px solid var(--border-color);border-radius:.5rem;box-shadow:var(--shadow-md);z-index:100;min-width:160px;display:none;overflow:hidden}.post-menu-item{display:flex;align-items:center;width:100%;padding:.75rem 1rem;text-align:left;background:none;border:none;font-size:.9rem;font-weight:500;cursor:pointer;color:var(--text-primary);transition:background-color .2s;gap:.5rem}.hover-bg:hover{background-color:var(--background-hover);transition:background-color .2s}.post-menu-container{position:relative}.post-menu-btn{background:none;border:none;cursor:pointer;color:var(--text-secondary);padding:4px;border-radius:50%;transition:background-color .2s;display:flex;align-items:center;justify-content:center;width:32px;height:32px}.post-menu-btn:hover{background-color:var(--primary-light);color:var(--primary-color)}.post-menu-dropdown{position:absolute;top:100%;right:0;background:var(--background);border:1px solid var(--border-color);border-radius:.5rem;box-shadow:var(--shadow-md);z-index:100;min-width:160px;display:none;overflow:hidden;animation:fadeIn .1s ease-out}.post-menu-dropdown.show{display:block}.post-menu-item{display:flex;align-items:center;width:100%;padding:.75rem 1rem;text-align:left;background:none;border:none;font-size:.9rem;font-weight:500;cursor:pointer;color:var(--text-primary);transition:background-color .2s;gap:.75rem}.post-menu-item:hover{background-color:var(--background-hover)}.post-menu-item.delete{color:var(--error-color)}.post-menu-item svg{width:18px;height:18px}.autocomplete-dropdown{position:absolute;background:var(--background);border:1px solid var(--border-color);border-radius:.5rem;box-shadow:var(--shadow-md);z-index:2000;max-height:250px;overflow-y:auto;min-width:200px;display:none}.autocomplete-dropdown.active{display:block}.autocomplete-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;cursor:pointer;transition:background-color .2s;border-bottom:1px solid var(--border-light)}.autocomplete-item:last-child{border-bottom:none}.autocomplete-item:hover,.autocomplete-item.selected{background-color:var(--background-hover)}.ac-user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}.ac-user-info{flex:1;min-width:0}.ac-user-name{font-weight:700;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ac-user-username{font-size:.8rem;color:var(--text-secondary)}.ac-user-type{font-size:.7rem;color:var(--primary-color);background:var(--primary-light);padding:2px 6px;border-radius:4px;margin-left:auto}.ac-hashtag-icon{width:32px;height:32px;border-radius:50%;background-color:var(--background-secondary);display:flex;align-items:center;justify-content:center;color:var(--primary-color);font-weight:700;font-size:1rem}.ac-hashtag-info{flex:1}.ac-hashtag-tag{font-weight:700;font-size:.9rem}.ac-hashtag-count{font-size:.8rem;color:var(--text-secondary)}