.chat-container {
    height: calc(100vh - 200px);
    min-height: 500px;
    max-height: 700px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.2);
    border-radius: 3px;
}

.message-bubble {
    max-width: 85%;
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: #6c757d;
    border-radius: 50%;
    display: inline-block;
    animation: bounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }
.typing-indicator span:nth-child(3) { animation-delay: 0s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

.quick-chip {
    transition: all 0.2s ease;
    border: 1px solid var(--bs-primary);
    color: var(--bs-primary);
}

.quick-chip:hover {
    background: var(--bs-primary);
    color: white;
    transform: translateY(-2px);
}

.ai-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0d6efd 0%, #6610f2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 1rem;
}

.input-area {
    border-top: 1px solid rgba(0,0,0,0.05);
}