*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #1890ff;--success: #52c41a;--warning: #faad14;--error: #ff4d4f;--bg-dark: #001529;--bg-light: #f0f2f5}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-light);min-height:100vh}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1890ff,#001529)}.login-card{width:100%;max-width:400px;padding:40px;background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d}.login-logo{text-align:center;margin-bottom:32px}.login-logo h1{font-size:32px;color:#1890ff;font-weight:700}.login-logo p{color:#666;margin-top:8px}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:#fff;padding:24px;border-radius:12px;box-shadow:0 2px 8px #0000001a}.stat-card h3{font-size:14px;color:#666;margin-bottom:8px}.stat-card .value{font-size:32px;font-weight:600;color:#1890ff}.chat-container{display:flex;flex-direction:column;height:calc(100vh - 180px);background:#fff;border-radius:12px;overflow:hidden}.chat-messages{flex:1;overflow-y:auto;padding:24px}.chat-message{margin-bottom:16px;display:flex;gap:12px}.chat-message.user{flex-direction:row-reverse}.chat-message .avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff}.chat-message.user .avatar{background:#1890ff}.chat-message.ai .avatar{background:#52c41a}.chat-message .content{max-width:70%;padding:12px 16px;border-radius:12px;line-height:1.6}.chat-message.user .content{background:#1890ff;color:#fff;border-bottom-right-radius:4px}.chat-message.ai .content{background:#f0f2f5;color:#333;border-bottom-left-radius:4px}.chat-input{padding:16px 24px;border-top:1px solid #f0f0f0;display:flex;gap:12px}.alert-critical{border-left:4px solid var(--error)}.alert-high{border-left:4px solid var(--warning)}.alert-medium{border-left:4px solid var(--primary)}