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solid var(--border);background:var(--surface-card);width:34px;height:34px;color:var(--text-secondary);cursor:pointer;border-radius:8px;flex-shrink:0;place-items:center;transition:all .18s cubic-bezier(.16,1,.3,1);display:grid;position:relative}.composer-add-files-btn:hover:not(:disabled){color:#60a5fa;background:#3b82f61f;border-color:#3b82f6;transform:translateY(-1px);box-shadow:0 2px 8px #3b82f640}.composer-add-files-btn:active:not(:disabled){transform:translateY(0)}.composer-add-files-btn:disabled{opacity:.45;cursor:not-allowed}.composer-add-files-btn svg{transition:transform .2s}.composer-add-files-btn:hover:not(:disabled) svg{transform:rotate(90deg)scale(1.08)}.composer--drag-active{animation:1.5s infinite alternate pulseComposer;background:#3b82f614!important;border-color:#3b82f6!important;box-shadow:0 0 0 2px #3b82f64d,0 4px 16px #3b82f633!important}@keyframes pulseComposer{0%{border-color:#3b82f6}to{border-color:#60a5fa}}.attachment-tray{scrollbar-width:thin;scrollbar-color:var(--border) transparent;align-items:center;gap:8px;width:100%;max-width:760px;margin:0 auto;padding:6px 4px 8px;animation:.22s cubic-bezier(.16,1,.3,1) slideTrayUp;display:flex;overflow-x:auto}.attachment-tray::-webkit-scrollbar{height:4px}.attachment-tray::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}@keyframes slideTrayUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.attachment-chip{background:var(--surface-card);border:1px solid var(--border-strong);color:var(--text);border-radius:9px;flex-shrink:0;align-items:center;gap:8px;max-width:240px;padding:5px 8px 5px 6px;font-size:12px;transition:all .15s;display:inline-flex;box-shadow:0 2px 6px #00000040}.attachment-chip:hover{background:#ffffff0d;border-color:#3b82f6}.attachment-chip.uploading{color:#93c5fd;background:#3b82f614;border-color:#3b82f666}.att-chip-thumb{object-fit:cover;border:1px solid #ffffff1a;border-radius:5px;flex-shrink:0;width:28px;height:28px}.att-chip-icon{background:#ffffff0d;border-radius:6px;flex-shrink:0;place-items:center;width:28px;height:28px;font-size:15px;display:grid}.att-chip-info{flex-direction:column;min-width:0;display:flex;overflow:hidden}.att-chip-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:500;line-height:1.25;overflow:hidden}.att-chip-meta{color:var(--text-muted);white-space:nowrap;letter-spacing:.02em;font-size:10px}.att-chip-remove{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;flex-shrink:0;place-items:center;width:20px;height:20px;margin-left:2px;font-size:11px;transition:all .15s;display:grid}.att-chip-remove:hover{color:#ef4444;background:#ef44442e}.att-spinner{border:2px solid #3b82f633;border-top-color:#60a5fa;border-radius:50%;flex-shrink:0;width:14px;height:14px;animation:.7s linear infinite spin}.att-chip-uploading-text{color:#93c5fd;white-space:nowrap;font-size:11.5px}.attachment-add-more{border:1px dashed var(--border-strong);color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:0 0;border-radius:8px;flex-shrink:0;align-items:center;gap:4px;padding:6px 10px;font-size:11.5px;font-weight:500;transition:all .15s;display:inline-flex}.attachment-add-more:hover{color:#60a5fa;background:#3b82f60f;border-color:#3b82f6}.msg-attachments-grid{flex-wrap:wrap;gap:8px;margin-bottom:8px;display:flex}.msg-attachment-pill{color:#111113;background:#00000014;border:1px solid #00000026;border-radius:8px;align-items:center;gap:8px;max-width:260px;padding:6px 10px 6px 6px;display:inline-flex;box-shadow:0 1px 3px #0000000d}.msg-att-thumb{object-fit:cover;border:1px solid #0000001a;border-radius:6px;flex-shrink:0;width:32px;height:32px}.msg-att-icon{background:#0000000f;border-radius:6px;flex-shrink:0;place-items:center;width:32px;height:32px;font-size:16px;display:grid}.msg-att-details{flex-direction:column;min-width:0;display:flex;overflow:hidden}.msg-att-filename{white-space:nowrap;text-overflow:ellipsis;color:#111113;font-size:12px;font-weight:600;line-height:1.25;overflow:hidden}.msg-att-meta{color:#111113a6;white-space:nowrap;font-size:10px;font-weight:500}.msg-user-text{word-break:break-word;font-weight:450;line-height:1.55}.pdf-action-banner{background:linear-gradient(135deg,#ef444414 0%,#3b82f614 100%);border:1px solid #ef444447;border-radius:10px;margin-bottom:14px;animation:.3s cubic-bezier(.16,1,.3,1) fadeInPdf;overflow:hidden;box-shadow:0 4px 14px #0003}@keyframes fadeInPdf{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.pdf-action-banner-inner{align-items:center;gap:12px;padding:12px 14px;display:flex}.pdf-action-icon{color:#f87171;background:#ef444426;border:1px solid #ef444459;border-radius:9px;flex-shrink:0;place-items:center;width:38px;height:38px;display:grid}.pdf-action-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.pdf-action-title{color:#fecaca;letter-spacing:-.01em;font-size:13.5px;font-weight:700}.pdf-action-sub{color:#94a3b8;font-size:11.5px;line-height:1.35}.btn-download-pdf-hero{color:#fff;cursor:pointer;white-space:nowrap;background:linear-gradient(135deg,#ef4444 0%,#dc2626 100%);border:1px solid #f87171;border-radius:8px;flex-shrink:0;align-items:center;gap:7px;padding:8px 14px;font-size:12.5px;font-weight:600;transition:all .18s;display:inline-flex;box-shadow:0 2px 8px #ef444459}.btn-download-pdf-hero:hover{color:#fff;background:linear-gradient(135deg,#f87171 0%,#ef4444 100%);transform:translateY(-1px);box-shadow:0 4px 14px #ef444480}.btn-download-pdf-hero:active{transform:translateY(0)}