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ease;border:none;display:flex;align-items:center;justify-content:center;gap:8px}.payment-button.primary{background-color:var(--color-primary);color:#fff}.payment-button.primary:hover:not(:disabled){background-color:var(--color-primary-dark, #b91c73);transform:translateY(-1px);box-shadow:0 4px 8px #0003}.payment-button.secondary{background-color:transparent;border:1px solid rgba(255,255,255,.2);color:var(--color-text-primary)}.payment-button.secondary:hover:not(:disabled){border-color:#fff6;background-color:#ffffff0d}.payment-button:disabled{opacity:.5;cursor:not-allowed}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.secure-badge{text-align:center;font-size:var(--font-size-small, .875rem);color:var(--color-text-secondary);padding:var(--spacing-xs);margin-top:var(--spacing-xs)}@media (max-width: 480px){.payment-amount{font-size:28px}.payment-actions{flex-direction:column}.input-row{grid-template-columns:1fr}}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.inline-payment-widget{animation:slideIn .3s ease-out}.message-container{display:flex;flex-direction:column;max-width:90%;flex-shrink:0;white-space:pre-wrap;word-wrap:break-word}.message-bubble{padding:var(--spacing-md);word-wrap:break-word;line-height:1.5;white-space:normal;position:relative;font-size:var(--font-size-body)}.user-message{justify-content:flex-end;margin-left:auto}.user-message .message-bubble{background-color:var(--color-primary);color:#fff;border-bottom-right-radius:4px;border-top-right-radius:var(--border-radius-lg);border-top-left-radius:var(--border-radius-lg);border-bottom-left-radius:var(--border-radius-lg);border:none}.ai-message{justify-content:flex-start;margin-right:auto}.ai-message .message-bubble{background-color:var(--color-surface);color:var(--color-text-primary);border-bottom-left-radius:4px;border-top-left-radius:var(--border-radius-lg);border-top-right-radius:var(--border-radius-lg);border-bottom-right-radius:var(--border-radius-lg);border:1px solid rgba(255,255,255,.1)}.system-message{justify-content:center;margin:8px 0}.system-message .message-bubble{background-color:var(--color-surface);color:var(--color-success);font-size:var(--font-size-label);padding:var(--spacing-sm) var(--spacing-sm);border-radius:var(--border-radius-sm);border:1px solid var(--color-success);text-align:center;font-weight:var(--font-weight-medium);max-width:fit-content}.auth-widget-container{margin-top:var(--spacing-sm);padding:0;border-radius:var(--border-radius-sm);background-color:transparent}.message-container.ai-message.auth-message{max-width:90%}.message-container.ai-message.auth-message .message-bubble{margin-bottom:var(--spacing-sm)}.message-bubble 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var(--color-primary);font-style:italic;color:var(--color-text-secondary)}.message-bubble blockquote:first-child{margin-top:0}.message-bubble blockquote:last-child{margin-bottom:0}.message-bubble a{color:var(--color-primary);text-decoration:underline}.message-bubble a:hover{opacity:.8}.message-bubble hr{margin:var(--spacing-md) 0;border:none;height:1px;background-color:#fff3}.user-message .message-bubble code{background-color:#fff3;color:#ffffffe6}.user-message .message-bubble pre{background-color:#ffffff1a;color:#ffffffe6;border-left-color:#ffffff80}.user-message .message-bubble blockquote{border-left-color:#ffffff80;color:#fffc}.user-message .message-bubble a{color:#ffffffe6}.user-message .message-bubble hr{background-color:#ffffff4d}.message-bubble table{width:100%;border-collapse:separate;border-spacing:4px;overflow-x:auto;display:block;margin:15px 0}.message-bubble table td,.message-bubble table th{vertical-align:baseline;padding:5px}.message-bubble 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