*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,PingFang SC,Microsoft YaHei;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f0f2f5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#0003;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#0000004d}.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{width:420px;padding:48px 40px;background:#fff;border-radius:12px;box-shadow:0 8px 40px #0000001f;text-align:center}.login-logo{font-size:28px;font-weight:700;color:#1f1f1f;margin-bottom:8px}.login-subtitle{font-size:14px;color:#8c8c8c;margin-bottom:32px}.log-stream{max-height:420px;overflow-y:auto;background:#fafafa;border:1px solid #f0f0f0;border-radius:8px;padding:12px}.log-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid #f5f5f5;font-size:13px}.log-item:last-child{border-bottom:none}.page-header{margin-bottom:24px}.page-header h2{font-size:20px;font-weight:600;color:#1f1f1f;margin-bottom:4px}.page-header p{font-size:14px;color:#8c8c8c}.stat-card{transition:all .3s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #00000014}