:root {
    --primary-color: #447793;
    --primary-light: #5a8aa6;
    --primary-dark: #2d5a74;
    --card-background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    --card-border: #e8e8e8;
    --card-shadow: 0 2px 8px rgba(0,0,0,0.1);
    --text-primary: #262626;
    --text-secondary: #8c8c8c;
    --text-number: #1890ff;
    --page-background: #f0f4f8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--page-background);
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

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

.chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.w-80 > div:first-child::-webkit-scrollbar {
    width: 6px;
}

.w-80 > div:first-child::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.w-80 > div:first-child::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.message-bubble {
    max-width: 80%;
    word-wrap: break-word;
}

.user-message {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.ai-message {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.typing-indicator {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    margin: 8px 0;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #94a3b8;
    margin: 0 2px;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.suggestion-card {
    background: var(--card-background);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.suggestion-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.template-item {
    transition: all 0.2s ease;
}

.template-item:hover {
    background-color: #f8fafc;
    transform: translateY(-1px);
}

.knowledge-item {
    transition: all 0.2s ease;
}

.knowledge-item:hover {
    background-color: #f8fafc;
}

.quick-action-btn {
    transition: all 0.2s ease;
}

.quick-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.ai-avatar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.user-avatar {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.confidence-bar {
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, #ef4444 0%, #f59e0b 50%, #10b981 100%);
    transition: width 0.5s ease;
}