:root{--upl-bg:#fff;--upl-text:#0f172a;--upl-text-light:#0f172a99;--upl-sky-blue:#38bdf8;--upl-sky-blue-dark:#0284c7;--upl-orange:#fb923c;--upl-orange-dark:#f97316;--upl-border:#0f172a14;--upl-shadow-sm:0 2px 8px #0f172a0a;--upl-shadow-md:0 4px 16px #0f172a0f;--upl-shadow-lg:0 8px 24px #0f172a14;--upl-radius:10px;--upl-ease:cubic-bezier(.2,.9,.3,1)}.upl-container{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;width:100%;max-width:100%;margin:20px 0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}.upl-header-section{align-items:center;gap:12px;margin-bottom:16px;display:flex}.upl-header-icon{color:var(--upl-sky-blue);animation:upl-icon-pop .42s var(--upl-ease)both;font-size:28px}.upl-section-title{color:var(--upl-text);margin:0;font-size:22px;font-weight:700;line-height:1.2}.upl-toast{animation:upl-slide-down .32s var(--upl-ease)both;border-radius:8px;align-items:center;gap:10px;margin-bottom:16px;padding:12px 16px;font-size:14px;font-weight:500;display:flex}.upl-toast-icon{flex-shrink:0;font-size:18px}.upl-toast-info{color:var(--upl-sky-blue-dark);background:#38bdf81f;border:1px solid #38bdf833}.upl-toast-info .upl-toast-icon{color:var(--upl-sky-blue)}.upl-toast-success{color:var(--upl-sky-blue-dark);background:#38bdf81f;border:1px solid #38bdf833}.upl-toast-success .upl-toast-icon{color:var(--upl-sky-blue)}.upl-toast-error{color:#dc2626;background:#ef44441f;border:1px solid #ef444433}.upl-toast-error .upl-toast-icon{color:#ef4444}.upl-modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;animation:upl-overlay-appear .28s var(--upl-ease)both;background:#0f172a99;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.upl-modal{width:100%;max-width:480px;animation:upl-modal-appear .32s var(--upl-ease)both;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 20px 60px #0f172a4d}.upl-modal-large{max-width:580px}.upl-modal-header{border-bottom:1px solid var(--upl-border);align-items:center;gap:12px;padding:20px 24px;display:flex}.upl-modal-icon{flex-shrink:0;font-size:28px}.upl-modal-icon-danger{color:#ef4444}.upl-modal-icon-primary{color:var(--upl-sky-blue)}.upl-modal-title{color:var(--upl-text);margin:0;font-size:20px;font-weight:700}.upl-modal-body{padding:24px}.upl-modal-text{color:var(--upl-text);margin:0 0 8px;font-size:15px;line-height:1.6}.upl-modal-text strong{color:var(--upl-text);font-weight:600}.upl-modal-subtext{color:var(--upl-text-light);margin:0;font-size:14px}.upl-modal-actions{border-top:1px solid var(--upl-border);background:#f8fafc;gap:10px;padding:16px 24px;display:flex}.upl-modal-btn{cursor:pointer;transition:all .22s var(--upl-ease);border:none;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-family:inherit;font-size:14px;font-weight:600;display:inline-flex}.upl-modal-btn-cancel{color:var(--upl-text);border:1px solid var(--upl-border);background:#fff}.upl-modal-btn-cancel:hover{background:#f8fafc}.upl-modal-btn-danger{color:#fff;background:#ef4444}.upl-modal-btn-danger:hover{box-shadow:var(--upl-shadow-md);background:#dc2626;transform:translateY(-1px)}.upl-modal-btn-primary{background:var(--upl-sky-blue);color:#fff}.upl-modal-btn-primary:hover{background:var(--upl-sky-blue-dark);box-shadow:var(--upl-shadow-md);transform:translateY(-1px)}.upl-modal-btn:active{transform:scale(.98)}.upl-empty-state{border-radius:var(--upl-radius);border:1px dashed var(--upl-border);animation:upl-fade-in .42s var(--upl-ease)both;background:#f8fafc;flex-direction:column;justify-content:center;align-items:center;padding:48px 24px;display:flex}.upl-empty-icon{color:var(--upl-sky-blue);opacity:.4;margin-bottom:12px;font-size:48px}.upl-empty-text{color:var(--upl-text-light);margin:0;font-size:15px}.upl-list{flex-direction:column;gap:14px;display:flex}.upl-card{border:1px solid var(--upl-border);border-radius:var(--upl-radius);box-shadow:var(--upl-shadow-sm);transition:all .28s var(--upl-ease);animation:upl-card-appear .42s var(--upl-ease)both;background:#fff;padding:16px 18px;position:relative}.upl-card:hover{box-shadow:var(--upl-shadow-lg);border-color:var(--upl-sky-blue);transform:translateY(-2px)}.upl-card-header{gap:14px;margin-bottom:12px;display:flex}.upl-avatar-wrapper{flex-shrink:0}.upl-avatar{object-fit:cover;border:2px solid var(--upl-border);width:48px;height:48px;transition:all .22s var(--upl-ease);border-radius:50%}.upl-avatar-placeholder{background:linear-gradient(135deg,var(--upl-sky-blue)0%,var(--upl-orange)100%);color:#fff;justify-content:center;align-items:center;font-size:20px;display:flex}.upl-card:hover .upl-avatar{border-color:var(--upl-orange)}.upl-user-info{flex:1;min-width:0}.upl-title-section{flex-direction:column;gap:8px;display:flex}.upl-user-title{color:var(--upl-text);font-size:16px;font-weight:600;line-height:1.3;display:block}.upl-meta-row{flex-wrap:wrap;align-items:flex-start;gap:12px;display:flex}.upl-actions{gap:6px;display:flex}.upl-action-btn{cursor:pointer;width:32px;height:32px;transition:all .22s var(--upl-ease);border:none;border-radius:6px;justify-content:center;align-items:center;font-size:15px;display:flex}.upl-action-edit{color:var(--upl-sky-blue);background:#38bdf81a}.upl-action-edit:hover{background:var(--upl-sky-blue);color:#fff;transform:scale(1.05)}.upl-action-delete{color:#ef4444;background:#ef44441a}.upl-action-delete:hover{color:#fff;background:#ef4444;transform:scale(1.05)}.upl-timestamp{color:var(--upl-text-light);align-items:flex-start;gap:6px;margin-left:auto;font-size:13px;display:flex}.upl-time-icon{color:var(--upl-orange);flex-shrink:0;margin-top:2px;font-size:14px}.upl-time-relative{line-height:1.4}.upl-time-absolute{flex-direction:column;gap:2px;line-height:1.3;display:flex}.upl-time-date{color:var(--upl-text);font-weight:500}.upl-time-clock{color:var(--upl-text-light);font-size:12px}.upl-content{color:var(--upl-text);white-space:pre-wrap;word-break:break-word;margin:0 0 12px;font-size:15px;line-height:1.6}.upl-links{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.upl-link{transition:all .22s var(--upl-ease);white-space:nowrap;box-sizing:border-box;border-radius:6px;align-items:center;gap:6px;max-width:100%;padding:7px 14px;font-size:14px;font-weight:500;text-decoration:none;display:inline-flex;overflow:hidden}.upl-link span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.upl-link-internal{color:var(--upl-sky-blue-dark);background:#38bdf81a;border:1px solid #38bdf833}.upl-link-internal:hover{background:var(--upl-sky-blue);color:#fff;border-color:var(--upl-sky-blue);transform:translate(3px)}.upl-link-external{color:var(--upl-orange-dark);background:#fb923c1a;border:1px solid #fb923c33}.upl-link-external:hover{background:var(--upl-orange);color:#fff;border-color:var(--upl-orange);transform:translate(3px)}.upl-link-icon{transition:transform .22s var(--upl-ease);font-size:14px}.upl-link:hover .upl-link-icon{transform:translate(2px)}.upl-edit-field{margin-bottom:18px}.upl-edit-field:last-child{margin-bottom:0}.upl-edit-label{color:var(--upl-text);margin-bottom:8px;font-size:14px;font-weight:600;display:block}.upl-edit-title-input{border:2px solid var(--upl-border);width:100%;color:var(--upl-text);transition:all .22s var(--upl-ease);box-sizing:border-box;border-radius:6px;padding:8px 12px;font-family:inherit;font-size:16px;font-weight:600}.upl-edit-title-input:focus{border-color:var(--upl-sky-blue);outline:none;box-shadow:0 0 0 3px #38bdf81a}.upl-edit-textarea{border:2px solid var(--upl-border);width:100%;color:var(--upl-text);resize:vertical;transition:all .22s var(--upl-ease);box-sizing:border-box;border-radius:6px;padding:10px 12px;font-family:inherit;font-size:14px;line-height:1.5}.upl-edit-textarea:focus{border-color:var(--upl-sky-blue);outline:none;box-shadow:0 0 0 3px #38bdf81a}.upl-load-more-section{justify-content:center;margin-top:24px;display:flex}.upl-load-more-btn{background:linear-gradient(135deg,var(--upl-orange)0%,var(--upl-orange-dark)100%);color:#fff;cursor:pointer;transition:all .22s var(--upl-ease);box-shadow:var(--upl-shadow-sm);border:none;border-radius:8px;align-items:center;gap:8px;padding:12px 24px;font-family:inherit;font-size:15px;font-weight:600;display:inline-flex}.upl-load-more-btn:hover:not(:disabled){box-shadow:var(--upl-shadow-md);transform:translateY(-2px)}.upl-load-more-btn:active:not(:disabled){transform:scale(.98)}.upl-load-more-btn:disabled{opacity:.6;cursor:not-allowed}.upl-btn-icon{transition:transform .22s var(--upl-ease);font-size:16px}.upl-load-more-btn:hover:not(:disabled) .upl-btn-icon{transform:translate(3px)}.upl-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.6s linear infinite upl-spin}.upl-end-message{color:var(--upl-text-light);text-align:center;padding:8px;font-size:14px}.upl-skeleton{pointer-events:none}.upl-skeleton-avatar{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%) 0 0/200% 100%;border-radius:50%;flex-shrink:0;width:48px;height:48px;animation:1.5s ease-in-out infinite upl-shimmer}.upl-skeleton-text-group{flex-direction:column;flex:1;gap:8px;display:flex}.upl-skeleton-line{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%) 0 0/200% 100%;border-radius:4px;height:14px;animation:1.5s ease-in-out infinite upl-shimmer}.upl-skeleton-title{width:200px;height:16px}.upl-skeleton-meta{width:140px}.upl-skeleton-content{flex-direction:column;gap:8px;margin-top:12px;display:flex}.upl-skeleton-text{width:100%}.upl-skeleton-text-short{width:65%}@keyframes upl-card-appear{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes upl-icon-pop{0%{opacity:0;transform:scale(.95)translateY(6px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes upl-slide-down{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}@keyframes upl-overlay-appear{0%{opacity:0}to{opacity:1}}@keyframes upl-modal-appear{0%{opacity:0;transform:scale(.95)translateY(-20px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes upl-fade-in{0%{opacity:0}to{opacity:1}}@keyframes upl-spin{to{transform:rotate(360deg)}}@keyframes upl-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (max-width:500px){.upl-header-section{gap:10px}.upl-header-icon{font-size:24px}.upl-section-title{font-size:18px}.upl-modal{max-width:100%;margin:0 10px}.upl-modal-header{padding:16px 18px}.upl-modal-icon{font-size:24px}.upl-modal-title{font-size:18px}.upl-modal-body{padding:18px}.upl-modal-actions{flex-direction:column;padding:12px 18px}.upl-card{border-radius:8px;padding:12px 14px}.upl-card-header{gap:10px}.upl-avatar{width:42px;height:42px}.upl-user-title{font-size:14px}.upl-meta-row{flex-direction:column;gap:8px}.upl-timestamp{margin-left:0;font-size:12px}.upl-action-btn{width:28px;height:28px;font-size:14px}.upl-content{font-size:14px}.upl-link{padding:6px 12px;font-size:13px}.upl-load-more-btn{padding:10px 20px;font-size:14px}}@media (min-width:501px) and (max-width:768px){.upl-card-header{gap:12px}.upl-meta-row{gap:10px}.upl-timestamp{font-size:12px}}@media (min-width:1024px){.upl-card{padding:20px 22px}.upl-card-header{gap:16px}.upl-avatar{width:52px;height:52px}}.upl-action-btn:focus,.upl-link:focus,.upl-load-more-btn:focus,.upl-edit-title-input:focus,.upl-edit-textarea:focus,.upl-modal-btn:focus{outline-offset:2px;outline:3px solid #38bdf84d}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (prefers-contrast:high){.upl-card,.upl-modal{border-width:2px;border-color:#000}.upl-link,.upl-action-btn,.upl-modal-btn{border:2px solid}}@media print{.upl-container{background:#fff}.upl-card{box-shadow:none;break-inside:avoid;border:1px solid #ccc;animation:none;transform:none}.upl-actions,.upl-load-more-section,.upl-toast,.upl-modal-overlay{display:none}}.upl-file-card-image{align-items:center;padding:8px 14px 8px 8px}.upl-file-thumb-link{border:1px solid var(--upl-border);transition:border-color .22s var(--upl-ease);border-radius:6px;flex-shrink:0;display:block;overflow:hidden}.upl-file-card-image:hover .upl-file-thumb-link{border-color:var(--upl-sky-blue)}.upl-file-thumb-img{object-fit:cover;width:52px;height:52px;transition:transform .3s var(--upl-ease);display:block}.upl-file-card-image:hover .upl-file-thumb-img{transform:scale(1.06)}@media (max-width:500px){.upl-file-card{padding:9px 11px}.upl-file-card-label{font-size:12px}.upl-file-thumb-img{width:42px;height:42px}.upl-file-action-btn{width:28px;height:28px;font-size:14px}.upl-file-btn{padding:8px 13px;font-size:12px}}.upl-files{border-top:1px solid var(--upl-border);flex-direction:column;gap:8px;margin-top:12px;padding-top:12px;display:flex}.upl-file-card{border:1px solid var(--upl-border);transition:all .22s var(--upl-ease);background:#0f172a05;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;display:flex}.upl-file-card:hover{background:#38bdf80d;border-color:#38bdf840;transform:translate(3px)}.upl-file-card-name{flex:1;align-items:center;gap:9px;min-width:0;text-decoration:none;display:flex}.upl-file-card-icon{flex-shrink:0;font-size:16px;line-height:1}.upl-file-card-label{color:var(--upl-text);white-space:nowrap;text-overflow:ellipsis;transition:color .18s var(--upl-ease);font-size:13px;font-weight:500;overflow:hidden}.upl-file-card-name:hover .upl-file-card-label{color:var(--upl-sky-blue-dark)}.upl-file-card-actions{flex-shrink:0;align-items:center;gap:6px;display:flex}.upl-file-action-btn{width:32px;height:32px;transition:all .2s var(--upl-ease);border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;font-size:15px;text-decoration:none;display:inline-flex}.upl-file-action-view{color:var(--upl-sky-blue-dark);background:#38bdf81a;border-color:#38bdf833}.upl-file-action-view:hover{background:var(--upl-sky-blue);color:#fff;border-color:var(--upl-sky-blue);transform:translateY(-2px);box-shadow:0 4px 12px #38bdf84d}.upl-file-action-download{color:var(--upl-orange-dark);background:#fb923c1a;border-color:#fb923c33}.upl-file-action-download:hover{background:var(--upl-orange);color:#fff;border-color:var(--upl-orange);transform:translateY(-2px);box-shadow:0 4px 12px #fb923c4d}.upl-file-action-btn:active{transform:scale(.94)}.upl-edit-files-row{align-items:center;gap:12px;margin-bottom:10px;display:flex}.upl-file-btn{color:var(--upl-sky-blue-dark);cursor:pointer;transition:all .22s var(--upl-ease);-webkit-user-select:none;user-select:none;background:#38bdf814;border:2px dashed #38bdf866;border-radius:8px;align-items:center;gap:8px;padding:9px 16px;font-family:inherit;font-size:13px;font-weight:600;display:inline-flex}.upl-file-btn:hover{border-color:var(--upl-sky-blue);background:#38bdf824;transform:translateY(-1px)}.upl-file-btn svg{color:var(--upl-sky-blue);flex-shrink:0;font-size:15px}.upl-hidden-input{display:none}.upl-file-uploading{color:var(--upl-sky-blue-dark);align-items:center;gap:6px;font-size:13px;font-weight:500;display:flex}.upl-file-uploading:before{content:"";border:2px solid #38bdf84d;border-top-color:var(--upl-sky-blue);border-radius:50%;flex-shrink:0;width:12px;height:12px;animation:.6s linear infinite upl-spin;display:inline-block}.upl-edit-files-list{flex-direction:column;gap:8px;display:flex}.upl-edit-file-item{transition:background .2s var(--upl-ease);background:#38bdf80d;border:1px solid #38bdf826;border-radius:8px;justify-content:space-between;align-items:center;gap:10px;padding:9px 13px;display:flex}.upl-edit-file-item:hover{background:#38bdf817}.upl-edit-file-link{color:var(--upl-sky-blue-dark);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:13px;font-weight:500;text-decoration:none;overflow:hidden}.upl-edit-file-link:before{content:"📎 "}.upl-edit-file-link:hover{text-decoration:underline}.upl-edit-file-remove{width:28px;height:28px;color:var(--upl-text-light);cursor:pointer;transition:all .2s var(--upl-ease);background:0 0;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:inline-flex}.upl-edit-file-remove:hover{color:#ef4444;background:#ef44441a}.upl-edit-file-remove:active{transform:scale(.92)}@media (max-width:500px){.upl-file-card{padding:9px 11px}.upl-file-card-label{font-size:12px}.upl-file-thumb-img{width:42px;height:42px}.upl-file-action-btn{width:28px;height:28px;font-size:14px}.upl-file-btn{padding:8px 13px;font-size:12px}}