:root{--bg: #ffffff;--bg-secondary: #f5f6f8;--bg-tertiary: rgba(15, 17, 21, .05);--text-0: #0f1115;--text-1: #6b7280;--text-2: #9aa1ac;--accent: #2aabee;--accent-2: #229ed9;--danger: #ef3f5b;--ok: #22c55e;--line: #e6e8eb;--radius-card: 16px;--radius-field: 10px;--ease: cubic-bezier(.22, 1, .36, 1);--card-bg: #ffffff;--card-border: var(--line);--card-shadow: 0 1px 2px rgba(15, 17, 21, .04);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text-0);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.45}button,input,textarea,select{font:inherit;color:inherit}button{background:none;border:none;cursor:pointer}a{color:inherit;text-decoration:none}img{max-width:100%}::placeholder{color:var(--text-2)}.glass{background:var(--card-bg);border:1px solid var(--card-border);box-shadow:var(--card-shadow)}.app-loading{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-1)}.app-shell{display:flex;flex-direction:column;min-height:100%}.app-content{flex:1;min-width:0}.page{max-width:640px;margin:0 auto;padding:var(--space-5) var(--space-4)}.page-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-5)}.page-header h1{font-size:1.5rem;font-weight:700;letter-spacing:-.01em;margin:0}.back-link{display:flex;margin-right:var(--space-1);color:var(--text-1);flex-shrink:0}.chat-header{justify-content:flex-start;gap:var(--space-3)}.chat-header h1{font-size:1.15rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.muted{color:var(--text-1);font-size:.9rem}.center{text-align:center}.btn{padding:12px 20px;border-radius:var(--radius-field);font-weight:600;font-size:.95rem;transition:opacity .12s var(--ease)}.btn:active{opacity:.75}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-2)}.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-0)}.btn-ghost:hover{border-color:var(--text-2)}.btn-sm{padding:7px 12px;font-size:.82rem}.btn-danger{color:var(--danger)}.btn:disabled{opacity:.4}.icon-btn{width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--text-1)}.icon-btn:hover{background:var(--bg-tertiary)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:var(--space-3)}.field span{font-size:.8rem;color:var(--text-1)}.field input,.field textarea,.search-input,.admin-search-row input,.admin-search-row select,.create-group-form input,.chat-input-row input{padding:12px 14px;border-radius:var(--radius-field);border:1px solid var(--line);background:var(--bg-secondary);color:var(--text-0);font-size:16px;outline:none;transition:border-color .12s var(--ease)}.field input:focus,.field textarea:focus,.search-input:focus{border-color:var(--accent)}.form-error{color:var(--danger);font-size:.86rem;margin:4px 0}.tag{padding:3px 9px;border-radius:999px;font-size:.75rem;background:var(--bg-tertiary)}.tag-ok{color:var(--ok)}.tag-danger{color:var(--danger)}.avatar{border-radius:50%;object-fit:cover;flex-shrink:0}.avatar-fallback{display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}.topnav{position:sticky;top:0;z-index:20;background:#ffffffeb;border-bottom:1px solid var(--line)}.topnav-inner{max-width:1100px;margin:0 auto;height:60px;padding:0 var(--space-4);display:flex;align-items:center;gap:var(--space-5)}.topnav-brand{font-size:1.3rem;font-weight:800;color:var(--accent);flex-shrink:0}.topnav-links{display:flex;align-items:center;gap:2px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}.topnav-links::-webkit-scrollbar{display:none}.topnav-right{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0}.topnav-profile{display:flex}.nav-item{display:flex;align-items:center;gap:6px;padding:8px 12px;border-radius:var(--radius-field);color:var(--text-1);position:relative;white-space:nowrap;font-size:.88rem;font-weight:500;transition:color .12s var(--ease),background .12s var(--ease)}.nav-item:hover{background:var(--bg-tertiary);color:var(--text-0)}.nav-item svg{flex-shrink:0}a.nav-item.active,.nav-item[aria-current=page]{color:var(--accent)}.nav-item-badge .badge{position:absolute;top:2px;left:24px;background:var(--danger);color:#fff;font-size:.65rem;font-weight:700;border-radius:999px;min-width:16px;height:16px;display:flex;align-items:center;justify-content:center;padding:0 4px}@media(max-width:720px){.topnav-brand,.nav-item span{display:none}.nav-item{padding:8px}.topnav-inner{gap:var(--space-2)}}.landing{min-height:100vh;display:flex;align-items:center;justify-content:center}.landing-glow{display:none}.landing-content{text-align:center;padding:var(--space-6);max-width:460px}.landing-logo{font-size:3rem;font-weight:800;letter-spacing:-.03em;color:var(--accent)}.landing-tagline{color:var(--text-1);font-size:1.1rem;margin:var(--space-4) 0 var(--space-6);line-height:1.5}.landing-actions{display:flex;gap:var(--space-3);justify-content:center}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-4)}.auth-card{width:100%;max-width:380px;padding:var(--space-6);border-radius:var(--radius-card);display:flex;flex-direction:column}.auth-logo{font-size:1.8rem;font-weight:800;color:var(--accent);text-align:center;margin-bottom:var(--space-5)}.auth-switch{text-align:center;margin-top:var(--space-3);color:var(--accent);font-size:.88rem}.composer-card{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-card);margin-bottom:var(--space-4);cursor:pointer;transition:border-color .12s var(--ease)}.composer-card:hover{border-color:var(--accent)}.composer-placeholder{flex:1;color:var(--text-1);font-size:.94rem}.composer-plus{display:flex;color:var(--accent);flex-shrink:0}.feed,.posts-list{display:flex;flex-direction:column;gap:var(--space-4)}.post-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-card);padding:var(--space-4);box-shadow:var(--card-shadow);transition:box-shadow .15s var(--ease)}.post-card:hover{box-shadow:0 4px 16px #0f111512}.post-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.post-card-author{display:flex;align-items:center;gap:var(--space-3)}.post-card-name{font-weight:600;font-size:.94rem}.post-card-username{font-size:.8rem;color:var(--text-1)}.post-card-menu{display:flex;align-items:center;gap:2px}.post-card-text{margin:0 0 var(--space-3);line-height:1.55;white-space:pre-wrap}.post-card-image{width:100%;max-height:480px;object-fit:cover;border-radius:var(--radius-field);display:block;margin-bottom:var(--space-3);cursor:zoom-in}.post-card-actions{display:flex;gap:var(--space-2)}.like-btn,.comment-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;color:var(--text-1);font-size:.9rem;font-weight:600;transition:background .12s var(--ease),color .12s var(--ease)}.like-btn:hover{background:#ef3f5b14;color:var(--danger)}.comment-btn:hover{background:var(--bg-tertiary);color:var(--text-0)}.like-btn.is-liked{color:var(--danger)}.report-menu{position:relative}.report-dropdown{position:absolute;top:38px;right:0;z-index:5;min-width:200px;padding:6px;border-radius:var(--radius-field);display:flex;flex-direction:column;gap:2px}.report-dropdown-item{text-align:left;padding:9px 10px;border-radius:8px;font-size:.88rem;color:var(--text-0)}.report-dropdown-item:hover{background:var(--bg-tertiary)}.comments-block{margin-top:var(--space-3);border-top:1px solid var(--line);padding-top:var(--space-3);display:flex;flex-direction:column;gap:8px}.comment-row{display:flex;gap:8px;align-items:baseline;font-size:.88rem}.comment-author{font-weight:600;flex-shrink:0}.comment-text{flex:1}.comment-delete{display:inline-flex;color:var(--text-2);padding:2px}.comment-delete:hover{color:var(--danger)}.comment-form{display:flex;gap:8px;margin-top:4px}.comment-form input{flex:1;padding:9px 12px;border-radius:999px;border:1px solid var(--line);background:var(--bg-secondary)}.comment-form button{display:flex;color:var(--accent)}.news-title-input{padding:12px 14px;border-radius:var(--radius-field);border:1px solid var(--line);background:var(--bg-secondary);font-weight:600;outline:none}.news-title-input:focus{border-color:var(--accent)}.announcement-badge{width:38px;height:38px;flex-shrink:0;background:var(--accent);color:#fff}.create-post-form,.edit-profile-form,.create-group-form{border-radius:var(--radius-card);padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3);margin-bottom:var(--space-4)}.create-post-form textarea,.edit-profile-form textarea{padding:12px;border-radius:var(--radius-field);border:1px solid var(--line);background:var(--bg-secondary);resize:vertical;width:100%}.create-post-charcount{margin-top:-8px;text-align:right;font-size:.75rem;color:var(--text-2)}.create-post-upload{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:18px;border-radius:var(--radius-field);border:1.5px dashed var(--line);color:var(--text-1);font-weight:600;font-size:.92rem;cursor:pointer;transition:border-color .12s var(--ease),color .12s var(--ease)}.create-post-upload:hover{border-color:var(--accent);color:var(--accent)}.create-post-preview-wrap{position:relative}.create-post-preview{display:block;width:100%;max-height:360px;object-fit:cover;border-radius:var(--radius-field)}.create-post-preview-remove{position:absolute;top:8px;right:8px;width:30px;height:30px;border-radius:50%;background:#0f11158c;color:#fff;display:flex;align-items:center;justify-content:center}.search-box{position:relative;margin-bottom:var(--space-4)}.search-box-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-2);pointer-events:none}.search-box .search-input{width:100%;padding-left:42px}.skeleton-list{display:flex;flex-direction:column;gap:var(--space-4)}.skeleton-card{height:160px;border-radius:var(--radius-card);background:linear-gradient(90deg,var(--bg-secondary) 25%,#ffffff 50%,var(--bg-secondary) 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;border:1px solid var(--line)}@keyframes shimmer{to{background-position:-200% 0}}.empty-state{text-align:center;padding:72px 20px;color:var(--text-1)}.empty-state-icon{color:var(--text-2);margin-bottom:var(--space-3)}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.feed-loading-more{display:flex;justify-content:center;padding:var(--space-4) 0}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#0a0b0deb;display:flex;align-items:center;justify-content:center;padding:var(--space-5);cursor:zoom-out}.lightbox-image{max-width:100%;max-height:90vh;object-fit:contain;border-radius:var(--radius-field);cursor:default}.lightbox-close{position:absolute;top:var(--space-4);right:var(--space-4);width:40px;height:40px;border-radius:50%;background:#ffffff1f;color:#fff;display:flex;align-items:center;justify-content:center}.lightbox-close:hover{background:#fff3}.user-list,.conversation-list,.notification-list{display:flex;flex-direction:column;gap:2px}.user-row,.conversation-row,.notification-row{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3);border-radius:var(--radius-field)}.user-row:hover,.conversation-row:hover,.notification-row:hover{background:var(--bg-tertiary)}.conversation-row-text{flex:1;min-width:0}.conversation-preview{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-time{flex-shrink:0}.avatar-group{background:var(--accent);color:#fff}.notification-row.is-unread{background:#2aabee14}.notification-text{flex:1}.notification-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:36px;height:36px;border-radius:50%}.notification-icon-like{background:#ef3f5b1f;color:var(--danger)}.notification-icon-comment{background:#2aabee1f;color:var(--accent)}.notification-icon-follow{background:#22c55e1f;color:var(--ok)}.profile-head{display:flex;gap:var(--space-4);padding:var(--space-5);border-radius:var(--radius-card);margin-bottom:var(--space-4)}.profile-avatar-wrap{position:relative;flex-shrink:0}.avatar-edit-btn{position:absolute;bottom:-2px;right:-2px;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.75rem;cursor:pointer;border:2px solid #fff}.profile-display-name{font-size:1.25rem;font-weight:700}.profile-bio{margin:var(--space-2) 0;white-space:pre-wrap}.profile-stats-row{display:flex;gap:var(--space-4);font-size:.88rem;color:var(--text-1);margin-bottom:var(--space-3)}.profile-stats-row b{color:var(--text-0)}.profile-actions{display:flex;gap:var(--space-2)}.chat-page{display:flex;flex-direction:column;height:calc(100vh - 60px);max-width:720px}.chat-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding-bottom:var(--space-3)}.chat-bubble{max-width:70%;padding:10px 14px;border-radius:16px;background:var(--card-bg);border:1px solid var(--card-border);align-self:flex-start}.chat-bubble.is-own{align-self:flex-end;background:var(--accent);border-color:var(--accent);color:#fff}.chat-bubble-sender{font-size:.7rem;color:var(--text-2);margin-bottom:2px}.chat-bubble.is-own .chat-bubble-sender{color:#ffffffbf}.chat-input-row{display:flex;gap:8px;padding-top:var(--space-2)}.chat-input-row input{flex:1}.chat-input-row button{color:var(--accent);font-weight:700;font-size:1.2rem;padding:0 10px}.admin-layout{display:flex;min-height:calc(100vh - 60px);width:100%}.admin-sidebar{width:220px;flex-shrink:0;padding:var(--space-4);display:flex;flex-direction:column;gap:2px;position:sticky;top:60px;height:calc(100vh - 60px);border-right:1px solid var(--line);background:var(--bg-secondary)}.admin-sidebar-title{font-weight:700;margin-bottom:var(--space-3);color:var(--accent)}.admin-nav-item{text-align:left;padding:9px 12px;border-radius:var(--radius-field);color:var(--text-1)}.admin-nav-item.is-active{background:var(--bg-tertiary);color:var(--text-0)}.admin-main{flex:1;padding:var(--space-5);min-width:0;overflow-x:auto}.admin-main h2{margin-top:0;font-weight:700;letter-spacing:-.01em}.admin-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--space-3);margin-bottom:var(--space-5)}.admin-stat-card{padding:var(--space-4);border-radius:var(--radius-card)}.admin-stat-value{font-size:1.6rem;font-weight:800}.admin-stat-label{color:var(--text-1);font-size:.8rem;margin-top:4px}.admin-columns{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5)}.admin-simple-list,.admin-log-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px;font-size:.86rem;color:var(--text-1)}.admin-log-list li{border-bottom:1px solid var(--line);padding-bottom:6px}.log-level-warn{color:#b45309}.log-level-error{color:var(--danger)}.log-level-security{color:#c026d3}.admin-search-row{display:flex;gap:8px;margin-bottom:var(--space-4)}.admin-table{width:100%;border-collapse:collapse;font-size:.85rem}.admin-table th,.admin-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}.admin-table th{color:var(--text-1);font-weight:600}.admin-row-actions{display:flex;gap:4px}@media(max-width:899px){.admin-layout{flex-direction:column}.admin-sidebar{width:100%;height:auto;position:static;flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--line)}.admin-columns{grid-template-columns:1fr}}