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20px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}.chat-messages::-webkit-scrollbar-thumb:hover{background:var(--color-text-dim)}.scroll-to-bottom-btn{display:none;position:absolute;bottom:90px;left:50%;transform:translateX(-50%);width:36px;height:36px;border-radius:50%;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font-size:18px;cursor:pointer;align-items:center;justify-content:center;box-shadow:var(--shadow-md);z-index:10;transition:opacity 0.2s ease,background 0.2s ease}.scroll-to-bottom-btn:hover{background:var(--color-accent);color:#fff}.message{display:flex;flex-direction:column;max-width:85%;min-width:0;animation:fadeIn 0.3s ease}@keyframes 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0;font-size:11px;color:var(--color-text-dim);background:rgba(0,0,0,0.15);line-height:1.4}.chat-consent-link{color:var(--color-text-dim);text-decoration:none;margin-left:6px;opacity:0.7;transition:opacity 0.2s}.chat-consent-link:hover{opacity:1;text-decoration:underline}.modal-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.7);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:fadeIn 0.2s ease}.modal{width:90%;max-width:480px;max-height:90vh;overflow-y:auto;background:var(--color-surface-solid);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:28px 24px 24px}.modal__title{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--color-text);margin:0 0 16px}.modal__title--warning{color:#f59e0b}.modal__text{font-size:14px;line-height:1.6;color:var(--color-text-muted);margin:0 0 12px}.modal__text a{color:var(--color-accent);text-decoration:none}.modal__text a:hover{text-decoration:underline}.modal__optin{display:flex;align-items:flex-start;gap:10px;padding:12px;margin:16px 0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer}.modal__optin input[type="checkbox"]{margin-top:2px;accent-color:var(--color-accent);width:16px;height:16px;flex-shrink:0}.modal__optin-label{font-size:13px;line-height:1.5;color:var(--color-text)}.modal__optin-label small{display:block;color:var(--color-text-dim);margin-top:2px}.modal__buttons{display:flex;gap:10px;margin-top:20px}.modal__btn{flex:1;padding:10px 16px;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:14px;font-weight:500;cursor:pointer;transition:background var(--transition),transform 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