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#3390ec;--accent-hover: #4ea4f6;--accent-light: rgba(51, 144, 236, .15)}html,body,#root{height:100%;width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;color:var(--text-primary);background:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea{font-family:inherit;font-size:inherit}a{color:var(--text-link);text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg-primary)}.loading-spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-size:14px;font-weight:500;transition:all var(--transition)}.btn-primary{background:var(--accent);color:var(--text-on-accent)}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{background:var(--danger);color:var(--text-on-accent)}.btn-danger:hover{background:var(--danger-hover)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-hover)}.btn-ghost{background:transparent;color:var(--text-primary)}.btn-ghost:hover{background:var(--bg-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.input{width:100%;padding:12px 16px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);color:var(--text-primary);font-size:14px;transition:border-color var(--transition)}.input:focus{outline:none;border-color:var(--accent)}.input::placeholder{color:var(--text-tertiary)}.status-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:500}.status-badge.need_human{background:#ff980026;color:#ff9800}.status-badge.open{background:#4caf5026;color:#4caf50}.status-badge.closed{background:#9e9e9e26;color:#9e9e9e}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal{background:var(--bg-primary);border-radius:var(--radius-lg);padding:24px;max-width:420px;width:90%;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.modal-header{margin-bottom:16px}.modal-title{font-size:18px;font-weight:600;color:var(--text-primary)}.modal-body{margin-bottom:20px}.modal-footer{display:flex;gap:12px;justify-content:flex-end}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center;color:var(--text-secondary)}.empty-state-icon{margin-bottom:16px;opacity:.4;color:var(--text-tertiary)}.empty-state-icon svg{width:48px;height:48px}.empty-state-title{font-size:18px;font-weight:500;margin-bottom:8px;color:var(--text-primary)}.empty-state-text{font-size:14px;color:var(--text-secondary)}.message{display:flex;max-width:70%}.message.incoming{align-self:flex-start}.message.outgoing{align-self:flex-end}.message-bubble{padding:8px 12px;border-radius:var(--radius-lg);max-width:100%;word-wrap:break-word}.message.incoming .message-bubble{background:var(--bg-message-in);border-bottom-left-radius:4px}.message.outgoing .message-bubble{background:var(--bg-message-out);border-bottom-right-radius:4px}.message.operator .message-bubble{background:#d4e4fa}[data-theme=dark] .message.operator .message-bubble{background:#3d5a80}.message-sender{font-size:12px;font-weight:600;margin-bottom:4px}.message.incoming .message-sender{color:#6b7fd7}.message.outgoing .message-sender{color:#4a8f4a}.message.operator .message-sender{color:#5a7bbf}[data-theme=dark] .message.outgoing .message-sender{color:#8fbf8f}[data-theme=dark] .message.operator .message-sender{color:#8aaed9}.message-text{font-size:14px;line-height:1.45;color:var(--text-primary)}.message-text .formatted-text{white-space:pre-wrap}.message-text code{background:#00000014;padding:2px 6px;border-radius:4px;font-family:SF Mono,Monaco,Courier New,monospace;font-size:13px}[data-theme=dark] .message-text code{background:#ffffff1f}.message-text pre{background:#00000014;padding:8px 12px;border-radius:var(--radius-sm);font-family:SF Mono,Monaco,Courier New,monospace;font-size:13px;overflow-x:auto;margin:4px 0}[data-theme=dark] .message-text pre{background:#ffffff1f}.message-text a{color:var(--text-link);text-decoration:underline}.message-text a:hover{text-decoration:none}.message-attachments{margin-top:8px;display:flex;flex-direction:column;gap:4px}.attachment{font-size:13px;color:var(--text-secondary);background:#0000000d;padding:6px 10px;border-radius:var(--radius-sm)}[data-theme=dark] .attachment{background:#ffffff1a}.attachment-image{max-width:280px;max-height:280px;border-radius:var(--radius-md);cursor:pointer;transition:opacity var(--transition)}.attachment-image:hover{opacity:.9}.attachment-file{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-link);background:#0000000d;padding:8px 12px;border-radius:var(--radius-sm);text-decoration:none;transition:background var(--transition)}.attachment-file:hover{background:#0000001a}[data-theme=dark] .attachment-file{background:#ffffff1a}[data-theme=dark] .attachment-file:hover{background:#ffffff26}