:root{--curfd-purple:#8a4fff;--curfd-blue:#4f8aff;--curfd-dark:#0a0f29;--brand-gradient:linear-gradient(135deg,var(--curfd-purple),var(--curfd-blue));--brand-gradient-hover:linear-gradient(135deg,#9b6fff,#6f9bff);--chat-bg:#0a0f29f2;--chat-input-bg:#ffffff1a;--chat-border:#ffffff26}.btn-brand{background:var(--brand-gradient);border:none;color:#fff}.btn-brand:hover{background:var(--brand-gradient-hover)}.btn-brand:active{transform:translateY(0)}.chat-container{backdrop-filter:blur(20px);box-shadow:0 8px 32px #0003}.chat-container,.chat-input{border:1px solid var(--chat-border)}.chat-input{background:var(--chat-input-bg);color:#fff;transition:all .2s ease}.chat-input:focus{background:#ffffff26;border-color:var(--curfd-blue);box-shadow:0 0 0 2px #4f8aff33}.fab-container{backdrop-filter:blur(20px);background:var(--chat-bg);border-radius:100px;bottom:2rem;box-shadow:0 4px 16px 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#8a4fff4d;border-radius:12px;color:#f5f8ff;cursor:pointer;display:flex;font-size:.95rem;font-weight:500;gap:12px;margin-bottom:12px;padding:16px;transition:all .3s ease;width:100%}.export-btn:hover:not(:disabled){background:#4d2d8e80;border-color:#8a4fff80;box-shadow:0 4px 16px #8a4fff4d;transform:translateY(-2px)}.export-btn:disabled{background:#4d2d8e26;border-color:#8a4fff26;cursor:not-allowed;opacity:.4}.export-btn i{color:#8a4fff;font-size:1.2rem}.export-btn:disabled i{color:#8a4fff80}.export-btn:last-child{margin-bottom:0}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.bottom-controls{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:#0a0f29f2;border:1px solid #8a4fff4d;border-radius:100px;bottom:20px;box-shadow:0 8px 32px #0009,0 0 0 1px #8a4fff1a;gap:16px;left:50%;padding:12px 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