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i{font-size:1rem;min-width:20px;text-align:center;color:var(--bs-primary)}.beta-banner{text-align:center;color:var(--bs-secondary-color);font-size:.85rem}.scroll-to-bottom-button{position:sticky;bottom:.75rem;margin:0 auto;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 5px color-mix(in srgb,var(--bs-body-color) 20%,transparent);background-color:var(--bs-body-bg);border:1px solid var(--bs-border-color)}.scroll-to-bottom-button:hover{background-color:var(--bs-secondary-bg)}.messages{scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--bs-body-color) 20%,transparent) transparent}.messages::-webkit-scrollbar{width:6px;height:6px}.messages::-webkit-scrollbar-track{background:transparent}.messages::-webkit-scrollbar-thumb{background-color:color-mix(in srgb,var(--bs-body-color) 20%,transparent);border-radius:6px;border:none}.messages::-webkit-scrollbar-thumb:hover{background-color:color-mix(in srgb,var(--bs-body-color) 30%,transparent)}.feedback-container{display:inline-flex;align-items:center;gap:.25rem;margin-top:.5rem}.feedback-btn{padding:.25rem;border:none;background:none;color:var(--bs-secondary);text-decoration:none;transition:color .2s ease;font-size:.875rem;opacity:.6}.feedback-btn:hover:not(:disabled){opacity:1;text-decoration:none}.feedback-btn:disabled{opacity:.3;cursor:not-allowed}.feedback-btn.thumbs-up:hover:not(:disabled){color:var(--bs-success)}.feedback-btn.thumbs-down:hover:not(:disabled){color:var(--bs-danger)}.feedback-thanks{color:var(--bs-success);font-size:.875rem;opacity:.8;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:.8}}.past-chats{background-color:var(--bs-body-bg);border:1px solid var(--bs-border-color);border-radius:.5rem;padding:1.5rem}.past-chats .list-group{max-height:400px;overflow-y:auto}.past-chats .list-group-item{border-left:none;border-right:none;padding:1rem}.past-chats .list-group-item:first-child{border-top:none}.past-chats .list-group-item:last-child{border-bottom:none}.past-chats .list-group-item:hover{background-color:var(--bs-secondary-bg)}.past-chats h6{margin-bottom:.25rem;color:var(--bs-body-color)}.past-chats small{color:var(--bs-secondary-color)}.collapse:not(.show){display:none}.past-chats-header{display:flex;align-items:center;justify-content:space-between;padding:.5rem 0;margin-bottom:1rem;cursor:pointer;-webkit-user-select:none;user-select:none;transition:opacity .2s ease}.past-chats-header:hover{opacity:.8}.past-chats-header i{transition:transform .2s ease}.feedback-label{font-size:.9rem;color:var(--bs-body-color)}@media(max-width:576px){.feedback-label{display:none}}.chat-header{text-align:center;padding:1rem 0}.chat-header h1{font-size:2.5rem;font-weight:600;color:var(--bs-body-color)}@media(max-width:768px){.chat-header h1{font-size:2rem}}