:root{--bg: #ffffff;--bg-muted: #fafafa;--border: #e0e0e0;--text: #222;--text-muted: #666;--primary: #2563eb;--danger: #c0392b}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);font-size:14px;line-height:1.45}.login-wrapper{height:100vh;display:flex;justify-content:center;align-items:center;gap:12px;background-color:#f6f7f9}.login-input,.login-button{height:44px;border-radius:6px;font-size:14px}.login-input{width:220px;padding:0 12px;border:1px solid #cfd4dc}.login-button{padding:0 20px;border:none;background-color:#4a6cf7;color:#fff;cursor:pointer}.login-button:hover{background-color:#3f5de0}