:root{--upd-bg:#fff;--upd-surface:#fff;--upd-text:#0f172a;--upd-text-secondary:#475569;--upd-text-muted:#64748b;--upd-blue:#0b74ff;--upd-blue-dark:#0256c9;--upd-blue-deeper:#04518a;--upd-blue-light:#eff6ff;--upd-blue-tint:#0b74ff14;--upd-yellow:#f59e0b;--upd-yellow-bright:#fbbf24;--upd-yellow-dark:#d97706;--upd-yellow-deeper:#b45309;--upd-yellow-light:#fffbeb;--upd-yellow-amber:#fef3c7;--upd-yellow-tint:#f59e0b14;--upd-yellow-border:#f59e0b40;--upd-green:#059669;--upd-green-light:#ecfdf5;--upd-border:#e2e8f0;--upd-border-hover:#cbd5e1;--upd-shadow-xs:0 1px 3px #0f172a0a;--upd-shadow-sm:0 2px 8px #0f172a0f;--upd-shadow-md:0 4px 20px #0f172a14;--upd-shadow-lg:0 12px 40px #0f172a1a;--upd-shadow-blue:0 8px 28px #0b74ff2e;--upd-shadow-gold:0 8px 28px #f59e0b3d;--upd-radius:22px;--upd-radius-sm:16px;--upd-radius-xs:12px;--upd-ease:cubic-bezier(.22,1,.36,1);--upd-ease-bounce:cubic-bezier(.34,1.56,.64,1)}.upd-page-container{background:var(--upd-bg);color:var(--upd-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}.upd-main{box-sizing:border-box;width:90%;max-width:1200px;margin:0 auto 56px;padding:24px 0 0}.upd-intro-card{background:var(--upd-surface);animation:upd-slideDown .5s var(--upd-ease)both;border:1px solid #0000000f;border-radius:24px;margin-bottom:28px;padding:24px 24px 20px;position:relative;overflow:hidden;box-shadow:0 12px 32px -4px #00000014,0 4px 12px -2px #00000008}.upd-intro-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.upd-title{color:var(--upd-text);letter-spacing:-.02em;align-items:center;gap:8px;margin:0;font-size:1.75rem;font-weight:800;line-height:1.15;display:flex}.upd-title-icon{color:var(--upd-blue);vertical-align:middle;margin-right:6px;animation:2.5s ease-in-out infinite upd-bellRing;display:inline-flex}.upd-action-buttons{flex-shrink:0;gap:8px;display:flex}.upd-action-btn{cursor:pointer;height:38px;transition:all .22s var(--upd-ease);border:none;border-radius:999px;justify-content:center;align-items:center;gap:6px;padding:0 18px;font-size:.82rem;font-weight:700;text-decoration:none;display:inline-flex}.upd-action-btn-primary{background:var(--upd-blue);color:#fff;box-shadow:0 4px 14px #0b74ff40}.upd-action-btn-primary:hover{background:var(--upd-blue-dark);box-shadow:var(--upd-shadow-blue);transform:translateY(-1px)}.upd-action-btn-primary:active{transform:scale(.97)}.upd-action-btn-secondary{background:var(--upd-blue-tint);color:var(--upd-blue);border:1.5px solid #0b74ff33}.upd-action-btn-secondary:hover{border-color:var(--upd-blue);background:#0b74ff24;transform:translateY(-1px)}.upd-action-icon{font-size:15px}.upd-search-form{align-items:center;gap:10px;margin-top:18px;display:flex}.upd-search-wrap{background:var(--upd-border);border-radius:12px;flex:1;padding:2px;transition:background .3s;position:relative}.upd-search-wrap:before{content:"";background:conic-gradient(from var(--upd-search-angle,0deg),transparent 0%,transparent 70%,#0b74ff4d 80%,#0b74ff 90%,transparent 100%);z-index:0;opacity:.6;border-radius:13px;transition:opacity .3s;animation:3s linear infinite upd-orbitLight;position:absolute;inset:-1.5px}.upd-search-wrap:focus-within:before{opacity:1}.upd-search-wrap:after{content:"";background:var(--upd-surface);z-index:0;border-radius:10px;position:absolute;inset:2px}.upd-search-icon{color:var(--upd-blue);z-index:2;transition:transform .25s var(--upd-ease);font-size:16px;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.upd-search-wrap:focus-within .upd-search-icon{color:var(--upd-blue-dark);transform:translateY(-50%)scale(1.15)}.upd-search-input{z-index:1;width:100%;height:44px;color:var(--upd-text);caret-color:var(--upd-blue);background:0 0;border:none;border-radius:10px;outline:none;padding:0 38px 0 40px;font-family:inherit;font-size:.9rem;font-weight:600;position:relative}.upd-search-input::placeholder{color:var(--upd-text-muted);font-weight:500}.upd-search-clear-inline{z-index:3;color:#64748b;cursor:pointer;width:22px;height:22px;transition:all .2s var(--upd-ease);background:#e2e8f0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:0;display:flex;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.upd-search-clear-inline:hover{color:var(--upd-text);background:#cbd5e1;transform:translateY(-50%)scale(1.1)}.upd-search-btn{background:var(--upd-blue);color:#fff;cursor:pointer;height:44px;transition:all .22s var(--upd-ease);border:none;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;gap:8px;padding:0 20px;font-family:inherit;font-size:.88rem;font-weight:700;display:inline-flex;box-shadow:0 4px 14px #0b74ff38}.upd-search-btn-icon{flex-shrink:0;font-size:16px}.upd-search-btn-text{display:inline}.upd-search-btn:hover{background:var(--upd-blue-dark);box-shadow:var(--upd-shadow-blue);transform:translateY(-1px)}.upd-search-btn:active{transform:scale(.97)}.upd-search-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.upd-list{flex-direction:column;gap:16px;display:flex}.upd-card{border:1.5px solid var(--upd-border);box-shadow:var(--upd-shadow-xs);transition:all .3s var(--upd-ease);animation:upd-cardRise .45s var(--upd-ease)both;background:#fff;border-radius:20px;padding:20px 22px;position:relative;overflow:hidden}.upd-card:nth-child(odd){border-color:#e2e8f0}.upd-card:nth-child(odd):after{background:#0b74ff}.upd-card:nth-child(2n){border-color:#f59e0b4d}.upd-card:nth-child(2n):after{background:#f59e0b}.upd-card-highlighted{background:#fff!important;border:2px solid #f59e0b!important;box-shadow:0 8px 28px #f59e0b2e!important}.upd-card-highlighted:after{background:#f59e0b!important;width:4px!important;transform:scaleY(1)!important}.upd-card:hover{box-shadow:var(--upd-shadow-md);transform:translateY(-2px)}.upd-card:nth-child(odd):hover{border-color:#0b74ff}.upd-card:nth-child(2n):hover{border-color:#f59e0b}.upd-card:after{content:"";transform-origin:50%;width:3.5px;transition:transform .3s var(--upd-ease);border-radius:0 3px 3px 0;position:absolute;top:12px;bottom:12px;left:0;transform:scaleY(0)}.upd-card:hover:after{transform:scaleY(1)}.upd-card-header{align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.upd-avatar{object-fit:cover;border:2px solid var(--upd-border);width:44px;height:44px;transition:all .25s var(--upd-ease);cursor:pointer;border-radius:50%;flex-shrink:0;margin-top:2px}.upd-avatar:hover{border-color:var(--upd-blue);transform:scale(1.06);box-shadow:0 4px 14px #0b74ff33}.upd-user-info{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.upd-user-top-row{justify-content:space-between;align-items:center;gap:10px;width:100%;display:flex}.upd-user-name-usn{color:var(--upd-text);flex:1;align-items:center;gap:6px;min-width:0;font-size:.92rem;font-weight:700;display:flex}.upd-user-name-link{color:inherit;cursor:pointer;white-space:nowrap;flex-shrink:0;align-items:center;gap:5px;text-decoration:none;transition:color .2s;display:inline-flex}.upd-user-name-text{white-space:nowrap}.upd-user-name-link:hover{color:var(--upd-blue)}.upd-user-name-link:hover .upd-user-icon{color:var(--upd-blue-dark);transform:scale(1.15)}.upd-user-icon{color:var(--upd-blue);flex-shrink:0;font-size:13px;transition:all .2s}.upd-usn-link{color:var(--upd-text-muted);cursor:pointer;white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:.82rem;font-weight:500;text-decoration:none;transition:color .2s;overflow:hidden}.upd-usn-link:hover{color:var(--upd-blue);text-decoration:underline}.upd-user-sub-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.upd-user-title{color:var(--upd-text);letter-spacing:-.01em;word-break:break-word;min-width:0;font-size:.95rem;font-weight:700;line-height:1.4}.upd-timestamp{color:var(--upd-text-muted);white-space:nowrap;align-items:center;gap:5px;margin-left:auto;font-size:.76rem;font-weight:600;display:inline-flex}.upd-time-icon{color:var(--upd-blue);opacity:.7;font-size:12px}.upd-share-btn{background:var(--upd-blue-tint);width:32px;height:32px;color:var(--upd-blue);cursor:pointer;transition:all .22s var(--upd-ease);border:1.5px solid #0000;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-left:auto;display:inline-flex}.upd-share-btn:hover{background:var(--upd-blue);color:#fff;border-color:var(--upd-blue-dark);transform:scale(1.08);box-shadow:0 4px 14px #0b74ff4d}.upd-share-btn:active{transform:scale(.92)}.upd-share-btn:focus{outline-offset:2px;outline:3px solid #0b74ff40}.upd-card.upd-card-highlighted{border-color:var(--upd-green);background:var(--upd-green-light);box-shadow:0 0 0 3px #0596691f,var(--upd-shadow-sm)}.upd-card.upd-card-highlighted:after{background:var(--upd-green);transform:scaleY(1)}.upd-card.upd-card-highlighted .upd-avatar{border-color:var(--upd-green)}.upd-card.upd-card-highlighted .upd-share-btn{background:var(--upd-green);color:#fff;border-color:var(--upd-green)}.upd-content{color:var(--upd-text-secondary);white-space:pre-wrap;word-break:break-word;margin:0 0 8px;font-size:.9rem;line-height:1.7}.upd-links{flex-direction:column;align-items:flex-start;gap:10px;width:100%;margin-top:12px;display:flex}.upd-youtube-embed-wrapper{aspect-ratio:16/9;width:100%;max-width:520px;box-shadow:var(--upd-shadow-md);border:1.5px solid var(--upd-border);transition:transform .3s var(--upd-ease),box-shadow .3s var(--upd-ease);background:#000;border-radius:14px;margin:4px 0;position:relative;overflow:hidden}.upd-youtube-embed-wrapper:hover{box-shadow:var(--upd-shadow-lg);transform:translateY(-2px)}.upd-youtube-iframe{border:none;width:100%;height:100%;position:absolute;top:0;left:0}.upd-link{transition:all .22s var(--upd-ease);white-space:nowrap;box-sizing:border-box;border-radius:8px;align-items:center;gap:6px;max-width:100%;padding:7px 14px;font-size:.82rem;font-weight:600;text-decoration:none;display:inline-flex;overflow:hidden}.upd-link span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.upd-link-internal{background:var(--upd-blue-tint);color:var(--upd-blue);border:1.5px solid #0b74ff33}.upd-link-internal:hover{background:var(--upd-blue);color:#fff;border-color:var(--upd-blue);transform:translate(3px);box-shadow:0 4px 12px #0b74ff33}.upd-link-external{color:var(--upd-yellow-dark);background:#f2c20014;border:1.5px solid #f2c20033}.upd-link-external:hover{background:var(--upd-yellow);color:var(--upd-text);border-color:var(--upd-yellow);transform:translate(3px)}.upd-link-icon{transition:transform .22s var(--upd-ease);font-size:13px}.upd-link:hover .upd-link-icon{transform:translate(3px)}.upd-files{border-top:1.5px solid var(--upd-border);flex-direction:column;gap:8px;margin-top:14px;padding-top:14px;display:flex}.upd-files-label{color:var(--upd-text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px;font-size:.72rem;font-weight:800}.upd-file-card{background:var(--upd-blue-light);transition:all .25s var(--upd-ease);cursor:pointer;border:1.5px solid #0b74ff1f;border-radius:14px;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex}.upd-file-card:hover{border-color:var(--upd-blue);background:#0b74ff14;transform:translate(4px);box-shadow:0 4px 16px #0b74ff1a}.upd-file-card-name{flex:1;align-items:center;gap:10px;min-width:0;text-decoration:none;display:flex}.upd-file-card-icon{flex-shrink:0;font-size:16px;line-height:1}.upd-file-card-label{color:var(--upd-text);white-space:nowrap;text-overflow:ellipsis;transition:color .2s var(--upd-ease);font-size:.84rem;font-weight:700;overflow:hidden}.upd-file-card:hover .upd-file-card-label{color:var(--upd-blue-dark)}.upd-file-card-actions{flex-shrink:0;align-items:center;gap:6px;display:flex}.upd-file-action-btn{width:34px;height:34px;transition:all .22s var(--upd-ease);border:1.5px solid #0000;border-radius:50%;justify-content:center;align-items:center;font-size:15px;text-decoration:none;display:inline-flex}.upd-file-action-view{color:var(--upd-blue);background:#0b74ff1a;border-color:#0b74ff33}.upd-file-action-view:hover{background:var(--upd-blue);color:#fff;border-color:var(--upd-blue);transform:translateY(-2px);box-shadow:0 4px 14px #0b74ff4d}.upd-file-action-download{color:var(--upd-yellow-dark);background:#f2c2001f;border-color:#f2c20040}.upd-file-action-download:hover{background:var(--upd-yellow);color:var(--upd-text);border-color:var(--upd-yellow);transform:translateY(-2px);box-shadow:0 4px 14px #f2c2004d}.upd-file-action-btn:active{transform:scale(.92)}.upd-file-action-btn:focus{outline-offset:2px;outline:3px solid #0b74ff40}.upd-file-card-image{padding:10px 16px 10px 10px}.upd-file-thumb-link{border:1.5px solid var(--upd-border);transition:border-color .25s var(--upd-ease);border-radius:8px;flex-shrink:0;display:block;overflow:hidden}.upd-file-card-image:hover .upd-file-thumb-link{border-color:var(--upd-blue)}.upd-file-thumb-img{object-fit:cover;width:52px;height:52px;transition:transform .3s var(--upd-ease);display:block}.upd-file-card-image:hover .upd-file-thumb-img{transform:scale(1.06)}.upd-empty-state{background:var(--upd-surface);border:2px dashed var(--upd-border);animation:upd-fadeIn .4s var(--upd-ease)both;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;padding:56px 24px;display:flex}.upd-empty-icon{color:var(--upd-blue);opacity:.3;margin-bottom:14px;font-size:52px}.upd-empty-text{color:var(--upd-text-secondary);text-align:center;margin:0;font-size:.92rem;font-weight:600}.upd-load-more-container{justify-content:center;margin-top:28px;display:flex}.upd-load-more-btn{background:var(--upd-blue);color:#fff;cursor:pointer;transition:all .25s var(--upd-ease);border:none;border-radius:999px;align-items:center;gap:8px;padding:12px 28px;font-family:inherit;font-size:.9rem;font-weight:700;display:inline-flex;box-shadow:0 4px 16px #0b74ff33}.upd-load-more-btn:hover:not(:disabled){background:var(--upd-blue-dark);box-shadow:var(--upd-shadow-blue);transform:translateY(-2px)}.upd-load-more-btn:active:not(:disabled){transform:scale(.97)}.upd-load-more-btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.upd-btn-icon{transition:transform .22s var(--upd-ease);font-size:16px}.upd-load-more-btn:hover:not(:disabled) .upd-btn-icon{transform:translate(4px)}.upd-spinner{border:2.5px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.6s linear infinite upd-spin}.upd-skeleton{pointer-events:none;animation:1.5s ease-in-out infinite upd-pulse}.upd-skeleton-avatar{background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%) 0 0/200% 100%;border-radius:12px;flex-shrink:0;width:46px;height:46px;animation:1.5s ease-in-out infinite upd-shimmer}.upd-skeleton-text-group{flex-direction:column;flex:1;gap:8px;display:flex}.upd-skeleton-line{background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%) 0 0/200% 100%;border-radius:6px;height:14px;animation:1.5s ease-in-out infinite upd-shimmer}.upd-skeleton-name{width:180px;height:16px}.upd-skeleton-title{width:140px}.upd-skeleton-content{flex-direction:column;gap:8px;margin-top:14px;display:flex}.upd-skeleton-text{width:100%}.upd-skeleton-text-short{width:70%}@keyframes upd-slideDown{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}@keyframes upd-cardRise{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes upd-fadeIn{0%{opacity:0}to{opacity:1}}@keyframes upd-spin{to{transform:rotate(360deg)}}@keyframes upd-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes upd-pulse{0%,to{opacity:1}50%{opacity:.55}}@keyframes upd-orbitLight{to{--upd-search-angle:360deg}}@supports not (background:paint(something)){@keyframes upd-orbitLight{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.upd-search-wrap:before{transform-origin:50%;animation:3s linear infinite upd-orbitLight;inset:-2px}}@keyframes upd-gradientSlide{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes upd-bellRing{0%,to{transform:rotate(0)}10%{transform:rotate(12deg)}20%{transform:rotate(-12deg)}30%{transform:rotate(8deg)}40%{transform:rotate(-4deg)}50%{transform:rotate(0)}}@media (max-width:500px){.upd-action-text{display:none}.upd-action-btn{width:38px;padding:0}.upd-main{width:98%;padding:16px 4px 0}.upd-intro-card{border-radius:12px;padding:18px 16px 16px}.upd-title{font-size:1.25rem}.upd-card{border-radius:12px;padding:14px 16px}.upd-avatar{border-radius:50%;width:38px;height:38px}.upd-timestamp{font-size:.72rem}.upd-user-name-usn{gap:4px;font-size:.82rem}.upd-user-name-text{font-size:.82rem}.upd-usn-link{font-size:.76rem}.upd-user-title{font-size:.86rem}.upd-content{font-size:.84rem}.upd-link{padding:6px 12px;font-size:.8rem}.upd-load-more-btn{padding:10px 22px;font-size:.85rem}.upd-search-form{flex-direction:row;align-items:center;gap:8px}.upd-search-btn{border-radius:50%;justify-content:center;width:44px;min-width:44px;height:44px;padding:0}.upd-search-btn-text{display:none}.upd-search-btn-icon{font-size:18px}.upd-file-card{padding:10px 12px}.upd-file-card-label{font-size:.78rem}.upd-file-action-btn{width:30px;height:30px;font-size:14px}}@media (min-width:501px) and (max-width:768px){.upd-main{width:96%;padding:20px 8px 0}.upd-card-header{gap:12px}.upd-timestamp{font-size:.74rem}}@media (min-width:769px) and (max-width:1024px){.upd-main{width:92%}}@media (min-width:1200px){.upd-main{width:90%;max-width:1200px}.upd-card{padding:22px 24px}.upd-card-header{gap:16px}.upd-avatar{width:50px;height:50px}}.upd-link:focus,.upd-load-more-btn:focus{outline-offset:2px;outline:3px solid #0b74ff40}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (prefers-contrast:high){.upd-card,.upd-intro-card{border-width:2px;border-color:#000}.upd-link{border-width:2px}}@media print{.upd-page-container{background:#fff}.upd-card{box-shadow:none;break-inside:avoid;border:1px solid #ccc;animation:none;transform:none}.upd-load-more-container{display:none}}.upd-modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:9999;background:#0f172a8c;justify-content:center;align-items:center;padding:20px;animation:.2s both upd-fadeIn;display:flex;position:fixed;inset:0}.upd-modal-content{background:var(--upd-surface);border-radius:var(--upd-radius);width:100%;max-width:800px;box-shadow:var(--upd-shadow-lg);animation:upd-cardRise .35s var(--upd-ease)both;border:1.5px solid var(--upd-border);flex-direction:column;display:flex;position:relative}.upd-modal-close{cursor:pointer;color:var(--upd-text-muted);z-index:10;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:20px;transition:color .2s,transform .2s;display:flex;position:absolute;top:16px;right:16px}.upd-modal-close:hover{color:var(--upd-text);background:#f1f5f9;transform:rotate(90deg)}.upd-modal-scroll-area{max-height:85vh;padding:10px;overflow-y:auto}@property --upd-search-angle{syntax:"<angle>";inherits:false;initial-value:0deg}