:root{--font-family:"Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", monospace;--bg-primary:#f8fafc;--bg-card:#fff;--bg-secondary:#f1f5f9;--border-color:#e2e8f0;--border-color-focus:#3b82f6;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--primary-border:#bfdbfe;--success:#059669;--success-bg:#ecfdf5;--success-border:#a7f3d0;--danger:#dc2626;--danger-bg:#fef2f2;--warning:#d97706;--warning-bg:#fffbeb;--shadow-sm:0 1px 3px 0 #0000000f, 0 1px 2px -1px #0000000f;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -2px #00000014;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px 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.feedback-preview-name{color:#f8fafc}.feedback-preview-size{color:#64748b;margin-top:2px;font-size:.75rem}.feedback-preview-remove-btn{color:#dc2626;cursor:pointer;background:#ef44441a;border:none;border-radius:6px;justify-content:center;align-items:center;padding:6px;transition:all .15s;display:flex}.feedback-preview-remove-btn:hover{color:#fff;background:#dc2626}.lightbox-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:99999;background:#000000d9;justify-content:center;align-items:center;padding:24px;animation:.2s ease-out fbFadeIn;display:flex;position:fixed;inset:0}.lightbox-content{justify-content:center;align-items:center;max-width:90vw;max-height:90vh;display:flex;position:relative}.lightbox-content img{object-fit:contain;border-radius:12px;max-width:100%;max-height:85vh;box-shadow:0 25px 50px -12px #000000b3}.lightbox-close-btn{color:#0f172a;cursor:pointer;background:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;transition:transform .15s;display:flex;position:absolute;top:-16px;right:-16px;box-shadow:0 4px 12px #0000004d}.lightbox-close-btn:hover{transform:scale(1.1)}.user-unread-feedback-badge{color:#fff;background:#ef4444;border-radius:999px;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 4px;font-size:.68rem;font-weight:700;animation:2s infinite pulseRedBadge;display:flex;position:absolute;top:-5px;right:-5px;box-shadow:0 2px 5px #ef444480}@keyframes pulseRedBadge{0%{transform:scale(1);box-shadow:0 0 #ef4444b3}70%{transform:scale(1.08);box-shadow:0 0 0 6px #ef444400}to{transform:scale(1);box-shadow:0 0 #ef444400}}.conversation-container{flex-direction:column;height:520px;max-height:70vh;display:flex}.conversation-header-bar{border-bottom:1px solid 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